| File: | build-scan/../src/core/unit.c |
| Warning: | line 205, column 24 Potential leak of memory pointed to by 's' |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |||
| 2 | ||||
| 3 | #include <errno(*__errno_location ()).h> | |||
| 4 | #include <stdlib.h> | |||
| 5 | #include <string.h> | |||
| 6 | #include <sys/prctl.h> | |||
| 7 | #include <sys/stat.h> | |||
| 8 | #include <unistd.h> | |||
| 9 | ||||
| 10 | #include "sd-id128.h" | |||
| 11 | #include "sd-messages.h" | |||
| 12 | ||||
| 13 | #include "alloc-util.h" | |||
| 14 | #include "all-units.h" | |||
| 15 | #include "bus-common-errors.h" | |||
| 16 | #include "bus-util.h" | |||
| 17 | #include "cgroup-util.h" | |||
| 18 | #include "dbus-unit.h" | |||
| 19 | #include "dbus.h" | |||
| 20 | #include "dropin.h" | |||
| 21 | #include "escape.h" | |||
| 22 | #include "execute.h" | |||
| 23 | #include "fd-util.h" | |||
| 24 | #include "fileio-label.h" | |||
| 25 | #include "format-util.h" | |||
| 26 | #include "fs-util.h" | |||
| 27 | #include "id128-util.h" | |||
| 28 | #include "io-util.h" | |||
| 29 | #include "load-dropin.h" | |||
| 30 | #include "load-fragment.h" | |||
| 31 | #include "log.h" | |||
| 32 | #include "macro.h" | |||
| 33 | #include "missing.h" | |||
| 34 | #include "mkdir.h" | |||
| 35 | #include "parse-util.h" | |||
| 36 | #include "path-util.h" | |||
| 37 | #include "process-util.h" | |||
| 38 | #include "set.h" | |||
| 39 | #include "signal-util.h" | |||
| 40 | #include "sparse-endian.h" | |||
| 41 | #include "special.h" | |||
| 42 | #include "specifier.h" | |||
| 43 | #include "stat-util.h" | |||
| 44 | #include "stdio-util.h" | |||
| 45 | #include "string-table.h" | |||
| 46 | #include "string-util.h" | |||
| 47 | #include "strv.h" | |||
| 48 | #include "umask-util.h" | |||
| 49 | #include "unit-name.h" | |||
| 50 | #include "unit.h" | |||
| 51 | #include "user-util.h" | |||
| 52 | #include "virt.h" | |||
| 53 | ||||
| 54 | const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX] = { | |||
| 55 | [UNIT_SERVICE] = &service_vtable, | |||
| 56 | [UNIT_SOCKET] = &socket_vtable, | |||
| 57 | [UNIT_TARGET] = &target_vtable, | |||
| 58 | [UNIT_DEVICE] = &device_vtable, | |||
| 59 | [UNIT_MOUNT] = &mount_vtable, | |||
| 60 | [UNIT_AUTOMOUNT] = &automount_vtable, | |||
| 61 | [UNIT_SWAP] = &swap_vtable, | |||
| 62 | [UNIT_TIMER] = &timer_vtable, | |||
| 63 | [UNIT_PATH] = &path_vtable, | |||
| 64 | [UNIT_SLICE] = &slice_vtable, | |||
| 65 | [UNIT_SCOPE] = &scope_vtable, | |||
| 66 | }; | |||
| 67 | ||||
| 68 | static void maybe_warn_about_dependency(Unit *u, const char *other, UnitDependency dependency); | |||
| 69 | ||||
| 70 | Unit *unit_new(Manager *m, size_t size) { | |||
| 71 | Unit *u; | |||
| 72 | ||||
| 73 | assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/core/unit.c", 73, __PRETTY_FUNCTION__ ); } while (0); | |||
| 74 | assert(size >= sizeof(Unit))do { if ((__builtin_expect(!!(!(size >= sizeof(Unit))),0)) ) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("size >= sizeof(Unit)" ), "../src/core/unit.c", 74, __PRETTY_FUNCTION__); } while (0 ); | |||
| 75 | ||||
| 76 | u = malloc0(size)(calloc(1, (size))); | |||
| 77 | if (!u) | |||
| 78 | return NULL((void*)0); | |||
| 79 | ||||
| 80 | u->names = set_new(&string_hash_ops)internal_set_new(&string_hash_ops ); | |||
| 81 | if (!u->names) | |||
| 82 | return mfree(u); | |||
| 83 | ||||
| 84 | u->manager = m; | |||
| 85 | u->type = _UNIT_TYPE_INVALID; | |||
| 86 | u->default_dependencies = true1; | |||
| 87 | u->unit_file_state = _UNIT_FILE_STATE_INVALID; | |||
| 88 | u->unit_file_preset = -1; | |||
| 89 | u->on_failure_job_mode = JOB_REPLACE; | |||
| 90 | u->cgroup_inotify_wd = -1; | |||
| 91 | u->job_timeout = USEC_INFINITY((usec_t) -1); | |||
| 92 | u->job_running_timeout = USEC_INFINITY((usec_t) -1); | |||
| 93 | u->ref_uid = UID_INVALID((uid_t) -1); | |||
| 94 | u->ref_gid = GID_INVALID((gid_t) -1); | |||
| 95 | u->cpu_usage_last = NSEC_INFINITY((nsec_t) -1); | |||
| 96 | u->cgroup_bpf_state = UNIT_CGROUP_BPF_INVALIDATED; | |||
| 97 | ||||
| 98 | u->ip_accounting_ingress_map_fd = -1; | |||
| 99 | u->ip_accounting_egress_map_fd = -1; | |||
| 100 | u->ipv4_allow_map_fd = -1; | |||
| 101 | u->ipv6_allow_map_fd = -1; | |||
| 102 | u->ipv4_deny_map_fd = -1; | |||
| 103 | u->ipv6_deny_map_fd = -1; | |||
| 104 | ||||
| 105 | u->last_section_private = -1; | |||
| 106 | ||||
| 107 | RATELIMIT_INIT(u->start_limit, m->default_start_limit_interval, m->default_start_limit_burst)do { RateLimit *_r = &(u->start_limit); _r->interval = (m->default_start_limit_interval); _r->burst = (m-> default_start_limit_burst); _r->num = 0; _r->begin = 0; } while (0); | |||
| 108 | RATELIMIT_INIT(u->auto_stop_ratelimit, 10 * USEC_PER_SEC, 16)do { RateLimit *_r = &(u->auto_stop_ratelimit); _r-> interval = (10 * ((usec_t) 1000000ULL)); _r->burst = (16); _r->num = 0; _r->begin = 0; } while (0); | |||
| 109 | ||||
| 110 | return u; | |||
| 111 | } | |||
| 112 | ||||
| 113 | int unit_new_for_name(Manager *m, size_t size, const char *name, Unit **ret) { | |||
| 114 | _cleanup_(unit_freep)__attribute__((cleanup(unit_freep))) Unit *u = NULL((void*)0); | |||
| 115 | int r; | |||
| 116 | ||||
| 117 | u = unit_new(m, size); | |||
| 118 | if (!u
| |||
| ||||
| 119 | return -ENOMEM12; | |||
| 120 | ||||
| 121 | r = unit_add_name(u, name); | |||
| 122 | if (r < 0) | |||
| 123 | return r; | |||
| 124 | ||||
| 125 | *ret = TAKE_PTR(u)({ typeof(u) _ptr_ = (u); (u) = ((void*)0); _ptr_; }); | |||
| 126 | ||||
| 127 | return r; | |||
| 128 | } | |||
| 129 | ||||
| 130 | bool_Bool unit_has_name(Unit *u, const char *name) { | |||
| 131 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 131, __PRETTY_FUNCTION__ ); } while (0); | |||
| 132 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 132, __PRETTY_FUNCTION__ ); } while (0); | |||
| 133 | ||||
| 134 | return set_contains(u->names, (char*) name); | |||
| 135 | } | |||
| 136 | ||||
| 137 | static void unit_init(Unit *u) { | |||
| 138 | CGroupContext *cc; | |||
| 139 | ExecContext *ec; | |||
| 140 | KillContext *kc; | |||
| 141 | ||||
| 142 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 142, __PRETTY_FUNCTION__ ); } while (0); | |||
| 143 | assert(u->manager)do { if ((__builtin_expect(!!(!(u->manager)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u->manager"), "../src/core/unit.c", 143 , __PRETTY_FUNCTION__); } while (0); | |||
| 144 | assert(u->type >= 0)do { if ((__builtin_expect(!!(!(u->type >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u->type >= 0"), "../src/core/unit.c" , 144, __PRETTY_FUNCTION__); } while (0); | |||
| 145 | ||||
| 146 | cc = unit_get_cgroup_context(u); | |||
| 147 | if (cc) { | |||
| 148 | cgroup_context_init(cc); | |||
| 149 | ||||
| 150 | /* Copy in the manager defaults into the cgroup | |||
| 151 | * context, _before_ the rest of the settings have | |||
| 152 | * been initialized */ | |||
| 153 | ||||
| 154 | cc->cpu_accounting = u->manager->default_cpu_accounting; | |||
| 155 | cc->io_accounting = u->manager->default_io_accounting; | |||
| 156 | cc->ip_accounting = u->manager->default_ip_accounting; | |||
| 157 | cc->blockio_accounting = u->manager->default_blockio_accounting; | |||
| 158 | cc->memory_accounting = u->manager->default_memory_accounting; | |||
| 159 | cc->tasks_accounting = u->manager->default_tasks_accounting; | |||
| 160 | cc->ip_accounting = u->manager->default_ip_accounting; | |||
| 161 | ||||
| 162 | if (u->type != UNIT_SLICE) | |||
| 163 | cc->tasks_max = u->manager->default_tasks_max; | |||
| 164 | } | |||
| 165 | ||||
| 166 | ec = unit_get_exec_context(u); | |||
| 167 | if (ec) { | |||
| 168 | exec_context_init(ec); | |||
| 169 | ||||
| 170 | ec->keyring_mode = MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM) ? | |||
| 171 | EXEC_KEYRING_SHARED : EXEC_KEYRING_INHERIT; | |||
| 172 | } | |||
| 173 | ||||
| 174 | kc = unit_get_kill_context(u); | |||
| 175 | if (kc) | |||
| 176 | kill_context_init(kc); | |||
| 177 | ||||
| 178 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->init) | |||
| 179 | UNIT_VTABLE(u)unit_vtable[(u)->type]->init(u); | |||
| 180 | } | |||
| 181 | ||||
| 182 | int unit_add_name(Unit *u, const char *text) { | |||
| 183 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0), *i = NULL((void*)0); | |||
| 184 | UnitType t; | |||
| 185 | int r; | |||
| 186 | ||||
| 187 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 187, __PRETTY_FUNCTION__ ); } while (0); | |||
| 188 | assert(text)do { if ((__builtin_expect(!!(!(text)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("text"), "../src/core/unit.c", 188, __PRETTY_FUNCTION__ ); } while (0); | |||
| 189 | ||||
| 190 | if (unit_name_is_valid(text, UNIT_NAME_TEMPLATE)) { | |||
| 191 | ||||
| 192 | if (!u->instance) | |||
| 193 | return -EINVAL22; | |||
| 194 | ||||
| 195 | r = unit_name_replace_instance(text, u->instance, &s); | |||
| 196 | if (r < 0) | |||
| 197 | return r; | |||
| 198 | } else { | |||
| 199 | s = strdup(text); | |||
| 200 | if (!s) | |||
| 201 | return -ENOMEM12; | |||
| 202 | } | |||
| 203 | ||||
| 204 | if (set_contains(u->names, s)) | |||
| 205 | return 0; | |||
| ||||
| 206 | if (hashmap_contains(u->manager->units, s)) | |||
| 207 | return -EEXIST17; | |||
| 208 | ||||
| 209 | if (!unit_name_is_valid(s, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) | |||
| 210 | return -EINVAL22; | |||
| 211 | ||||
| 212 | t = unit_name_to_type(s); | |||
| 213 | if (t < 0) | |||
| 214 | return -EINVAL22; | |||
| 215 | ||||
| 216 | if (u->type != _UNIT_TYPE_INVALID && t != u->type) | |||
| 217 | return -EINVAL22; | |||
| 218 | ||||
| 219 | r = unit_name_to_instance(s, &i); | |||
| 220 | if (r < 0) | |||
| 221 | return r; | |||
| 222 | ||||
| 223 | if (i && !unit_type_may_template(t)) | |||
| 224 | return -EINVAL22; | |||
| 225 | ||||
| 226 | /* Ensure that this unit is either instanced or not instanced, | |||
| 227 | * but not both. Note that we do allow names with different | |||
| 228 | * instance names however! */ | |||
| 229 | if (u->type != _UNIT_TYPE_INVALID && !u->instance != !i) | |||
| 230 | return -EINVAL22; | |||
| 231 | ||||
| 232 | if (!unit_type_may_alias(t) && !set_isempty(u->names)) | |||
| 233 | return -EEXIST17; | |||
| 234 | ||||
| 235 | if (hashmap_size(u->manager->units) >= MANAGER_MAX_NAMES131072) | |||
| 236 | return -E2BIG7; | |||
| 237 | ||||
| 238 | r = set_put(u->names, s); | |||
| 239 | if (r < 0) | |||
| 240 | return r; | |||
| 241 | assert(r > 0)do { if ((__builtin_expect(!!(!(r > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("r > 0"), "../src/core/unit.c", 241, __PRETTY_FUNCTION__ ); } while (0); | |||
| 242 | ||||
| 243 | r = hashmap_put(u->manager->units, s, u); | |||
| 244 | if (r < 0) { | |||
| 245 | (void) set_remove(u->names, s); | |||
| 246 | return r; | |||
| 247 | } | |||
| 248 | ||||
| 249 | if (u->type == _UNIT_TYPE_INVALID) { | |||
| 250 | u->type = t; | |||
| 251 | u->id = s; | |||
| 252 | u->instance = TAKE_PTR(i)({ typeof(i) _ptr_ = (i); (i) = ((void*)0); _ptr_; }); | |||
| 253 | ||||
| 254 | LIST_PREPEND(units_by_type, u->manager->units_by_type[t], u)do { typeof(*(u->manager->units_by_type[t])) **_head = & (u->manager->units_by_type[t]), *_item = (u); do { if ( (__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("_item"), "../src/core/unit.c", 254, __PRETTY_FUNCTION__); } while (0); if ((_item->units_by_type_next = *_head)) _item ->units_by_type_next->units_by_type_prev = _item; _item ->units_by_type_prev = ((void*)0); *_head = _item; } while (0); | |||
| 255 | ||||
| 256 | unit_init(u); | |||
| 257 | } | |||
| 258 | ||||
| 259 | s = NULL((void*)0); | |||
| 260 | ||||
| 261 | unit_add_to_dbus_queue(u); | |||
| 262 | return 0; | |||
| 263 | } | |||
| 264 | ||||
| 265 | int unit_choose_id(Unit *u, const char *name) { | |||
| 266 | _cleanup_free___attribute__((cleanup(freep))) char *t = NULL((void*)0); | |||
| 267 | char *s, *i; | |||
| 268 | int r; | |||
| 269 | ||||
| 270 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 270, __PRETTY_FUNCTION__ ); } while (0); | |||
| 271 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 271, __PRETTY_FUNCTION__ ); } while (0); | |||
| 272 | ||||
| 273 | if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) { | |||
| 274 | ||||
| 275 | if (!u->instance) | |||
| 276 | return -EINVAL22; | |||
| 277 | ||||
| 278 | r = unit_name_replace_instance(name, u->instance, &t); | |||
| 279 | if (r < 0) | |||
| 280 | return r; | |||
| 281 | ||||
| 282 | name = t; | |||
| 283 | } | |||
| 284 | ||||
| 285 | /* Selects one of the names of this unit as the id */ | |||
| 286 | s = set_get(u->names, (char*) name); | |||
| 287 | if (!s) | |||
| 288 | return -ENOENT2; | |||
| 289 | ||||
| 290 | /* Determine the new instance from the new id */ | |||
| 291 | r = unit_name_to_instance(s, &i); | |||
| 292 | if (r < 0) | |||
| 293 | return r; | |||
| 294 | ||||
| 295 | u->id = s; | |||
| 296 | ||||
| 297 | free(u->instance); | |||
| 298 | u->instance = i; | |||
| 299 | ||||
| 300 | unit_add_to_dbus_queue(u); | |||
| 301 | ||||
| 302 | return 0; | |||
| 303 | } | |||
| 304 | ||||
| 305 | int unit_set_description(Unit *u, const char *description) { | |||
| 306 | int r; | |||
| 307 | ||||
| 308 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 308, __PRETTY_FUNCTION__ ); } while (0); | |||
| 309 | ||||
| 310 | r = free_and_strdup(&u->description, empty_to_null(description)); | |||
| 311 | if (r < 0) | |||
| 312 | return r; | |||
| 313 | if (r > 0) | |||
| 314 | unit_add_to_dbus_queue(u); | |||
| 315 | ||||
| 316 | return 0; | |||
| 317 | } | |||
| 318 | ||||
| 319 | bool_Bool unit_may_gc(Unit *u) { | |||
| 320 | UnitActiveState state; | |||
| 321 | int r; | |||
| 322 | ||||
| 323 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 323, __PRETTY_FUNCTION__ ); } while (0); | |||
| 324 | ||||
| 325 | /* Checks whether the unit is ready to be unloaded for garbage collection. | |||
| 326 | * Returns true when the unit may be collected, and false if there's some | |||
| 327 | * reason to keep it loaded. | |||
| 328 | * | |||
| 329 | * References from other units are *not* checked here. Instead, this is done | |||
| 330 | * in unit_gc_sweep(), but using markers to properly collect dependency loops. | |||
| 331 | */ | |||
| 332 | ||||
| 333 | if (u->job) | |||
| 334 | return false0; | |||
| 335 | ||||
| 336 | if (u->nop_job) | |||
| 337 | return false0; | |||
| 338 | ||||
| 339 | state = unit_active_state(u); | |||
| 340 | ||||
| 341 | /* If the unit is inactive and failed and no job is queued for it, then release its runtime resources */ | |||
| 342 | if (UNIT_IS_INACTIVE_OR_FAILED(state) && | |||
| 343 | UNIT_VTABLE(u)unit_vtable[(u)->type]->release_resources) | |||
| 344 | UNIT_VTABLE(u)unit_vtable[(u)->type]->release_resources(u); | |||
| 345 | ||||
| 346 | if (u->perpetual) | |||
| 347 | return false0; | |||
| 348 | ||||
| 349 | if (sd_bus_track_count(u->bus_track) > 0) | |||
| 350 | return false0; | |||
| 351 | ||||
| 352 | /* But we keep the unit object around for longer when it is referenced or configured to not be gc'ed */ | |||
| 353 | switch (u->collect_mode) { | |||
| 354 | ||||
| 355 | case COLLECT_INACTIVE: | |||
| 356 | if (state != UNIT_INACTIVE) | |||
| 357 | return false0; | |||
| 358 | ||||
| 359 | break; | |||
| 360 | ||||
| 361 | case COLLECT_INACTIVE_OR_FAILED: | |||
| 362 | if (!IN_SET(state, UNIT_INACTIVE, UNIT_FAILED)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){UNIT_INACTIVE, UNIT_FAILED})/sizeof(int) ]; switch(state) { case UNIT_INACTIVE: case UNIT_FAILED: _found = 1; break; default: break; } _found; })) | |||
| 363 | return false0; | |||
| 364 | ||||
| 365 | break; | |||
| 366 | ||||
| 367 | default: | |||
| 368 | assert_not_reached("Unknown garbage collection mode")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Unknown garbage collection mode"), "../src/core/unit.c", 368 , __PRETTY_FUNCTION__); } while (0); | |||
| 369 | } | |||
| 370 | ||||
| 371 | if (u->cgroup_path) { | |||
| 372 | /* If the unit has a cgroup, then check whether there's anything in it. If so, we should stay | |||
| 373 | * around. Units with active processes should never be collected. */ | |||
| 374 | ||||
| 375 | r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER"_systemd", u->cgroup_path); | |||
| 376 | if (r < 0) | |||
| 377 | log_unit_debug_errno(u, r, "Failed to determine whether cgroup %s is empty: %m", u->cgroup_path)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 377, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to determine whether cgroup %s is empty: %m", u-> cgroup_path) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), r, "../src/core/unit.c", 377, __func__, "Failed to determine whether cgroup %s is empty: %m" , u->cgroup_path); }); | |||
| 378 | if (r <= 0) | |||
| 379 | return false0; | |||
| 380 | } | |||
| 381 | ||||
| 382 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->may_gc && !UNIT_VTABLE(u)unit_vtable[(u)->type]->may_gc(u)) | |||
| 383 | return false0; | |||
| 384 | ||||
| 385 | return true1; | |||
| 386 | } | |||
| 387 | ||||
| 388 | void unit_add_to_load_queue(Unit *u) { | |||
| 389 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 389, __PRETTY_FUNCTION__ ); } while (0); | |||
| 390 | assert(u->type != _UNIT_TYPE_INVALID)do { if ((__builtin_expect(!!(!(u->type != _UNIT_TYPE_INVALID )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("u->type != _UNIT_TYPE_INVALID" ), "../src/core/unit.c", 390, __PRETTY_FUNCTION__); } while ( 0); | |||
| 391 | ||||
| 392 | if (u->load_state != UNIT_STUB || u->in_load_queue) | |||
| 393 | return; | |||
| 394 | ||||
| 395 | LIST_PREPEND(load_queue, u->manager->load_queue, u)do { typeof(*(u->manager->load_queue)) **_head = &( u->manager->load_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 395, __PRETTY_FUNCTION__); } while (0); if ((_item->load_queue_next = *_head)) _item-> load_queue_next->load_queue_prev = _item; _item->load_queue_prev = ((void*)0); *_head = _item; } while (0); | |||
| 396 | u->in_load_queue = true1; | |||
| 397 | } | |||
| 398 | ||||
| 399 | void unit_add_to_cleanup_queue(Unit *u) { | |||
| 400 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 400, __PRETTY_FUNCTION__ ); } while (0); | |||
| 401 | ||||
| 402 | if (u->in_cleanup_queue) | |||
| 403 | return; | |||
| 404 | ||||
| 405 | LIST_PREPEND(cleanup_queue, u->manager->cleanup_queue, u)do { typeof(*(u->manager->cleanup_queue)) **_head = & (u->manager->cleanup_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 405, __PRETTY_FUNCTION__); } while (0); if ((_item->cleanup_queue_next = *_head)) _item ->cleanup_queue_next->cleanup_queue_prev = _item; _item ->cleanup_queue_prev = ((void*)0); *_head = _item; } while (0); | |||
| 406 | u->in_cleanup_queue = true1; | |||
| 407 | } | |||
| 408 | ||||
| 409 | void unit_add_to_gc_queue(Unit *u) { | |||
| 410 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 410, __PRETTY_FUNCTION__ ); } while (0); | |||
| 411 | ||||
| 412 | if (u->in_gc_queue || u->in_cleanup_queue) | |||
| 413 | return; | |||
| 414 | ||||
| 415 | if (!unit_may_gc(u)) | |||
| 416 | return; | |||
| 417 | ||||
| 418 | LIST_PREPEND(gc_queue, u->manager->gc_unit_queue, u)do { typeof(*(u->manager->gc_unit_queue)) **_head = & (u->manager->gc_unit_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 418, __PRETTY_FUNCTION__); } while (0); if ((_item->gc_queue_next = *_head)) _item-> gc_queue_next->gc_queue_prev = _item; _item->gc_queue_prev = ((void*)0); *_head = _item; } while (0); | |||
| 419 | u->in_gc_queue = true1; | |||
| 420 | } | |||
| 421 | ||||
| 422 | void unit_add_to_dbus_queue(Unit *u) { | |||
| 423 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 423, __PRETTY_FUNCTION__ ); } while (0); | |||
| 424 | assert(u->type != _UNIT_TYPE_INVALID)do { if ((__builtin_expect(!!(!(u->type != _UNIT_TYPE_INVALID )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("u->type != _UNIT_TYPE_INVALID" ), "../src/core/unit.c", 424, __PRETTY_FUNCTION__); } while ( 0); | |||
| 425 | ||||
| 426 | if (u->load_state == UNIT_STUB || u->in_dbus_queue) | |||
| 427 | return; | |||
| 428 | ||||
| 429 | /* Shortcut things if nobody cares */ | |||
| 430 | if (sd_bus_track_count(u->manager->subscribed) <= 0 && | |||
| 431 | sd_bus_track_count(u->bus_track) <= 0 && | |||
| 432 | set_isempty(u->manager->private_buses)) { | |||
| 433 | u->sent_dbus_new_signal = true1; | |||
| 434 | return; | |||
| 435 | } | |||
| 436 | ||||
| 437 | LIST_PREPEND(dbus_queue, u->manager->dbus_unit_queue, u)do { typeof(*(u->manager->dbus_unit_queue)) **_head = & (u->manager->dbus_unit_queue), *_item = (u); do { if (( __builtin_expect(!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("_item"), "../src/core/unit.c", 437, __PRETTY_FUNCTION__); } while (0); if ((_item->dbus_queue_next = *_head)) _item ->dbus_queue_next->dbus_queue_prev = _item; _item->dbus_queue_prev = ((void*)0); *_head = _item; } while (0); | |||
| 438 | u->in_dbus_queue = true1; | |||
| 439 | } | |||
| 440 | ||||
| 441 | void unit_add_to_stop_when_unneeded_queue(Unit *u) { | |||
| 442 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 442, __PRETTY_FUNCTION__ ); } while (0); | |||
| 443 | ||||
| 444 | if (u->in_stop_when_unneeded_queue) | |||
| 445 | return; | |||
| 446 | ||||
| 447 | if (!u->stop_when_unneeded) | |||
| 448 | return; | |||
| 449 | ||||
| 450 | if (!UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) | |||
| 451 | return; | |||
| 452 | ||||
| 453 | LIST_PREPEND(stop_when_unneeded_queue, u->manager->stop_when_unneeded_queue, u)do { typeof(*(u->manager->stop_when_unneeded_queue)) ** _head = &(u->manager->stop_when_unneeded_queue), *_item = (u); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 453, __PRETTY_FUNCTION__ ); } while (0); if ((_item->stop_when_unneeded_queue_next = *_head)) _item->stop_when_unneeded_queue_next->stop_when_unneeded_queue_prev = _item; _item->stop_when_unneeded_queue_prev = ((void*)0 ); *_head = _item; } while (0); | |||
| 454 | u->in_stop_when_unneeded_queue = true1; | |||
| 455 | } | |||
| 456 | ||||
| 457 | static void bidi_set_free(Unit *u, Hashmap *h) { | |||
| 458 | Unit *other; | |||
| 459 | Iterator i; | |||
| 460 | void *v; | |||
| 461 | ||||
| 462 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 462, __PRETTY_FUNCTION__ ); } while (0); | |||
| 463 | ||||
| 464 | /* Frees the hashmap and makes sure we are dropped from the inverse pointers */ | |||
| 465 | ||||
| 466 | HASHMAP_FOREACH_KEY(v, other, h, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((h), &(i), (void **)&(v), (const void**) &(other)); ) { | |||
| 467 | UnitDependency d; | |||
| 468 | ||||
| 469 | for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) | |||
| 470 | hashmap_remove(other->dependencies[d], u); | |||
| 471 | ||||
| 472 | unit_add_to_gc_queue(other); | |||
| 473 | } | |||
| 474 | ||||
| 475 | hashmap_free(h); | |||
| 476 | } | |||
| 477 | ||||
| 478 | static void unit_remove_transient(Unit *u) { | |||
| 479 | char **i; | |||
| 480 | ||||
| 481 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 481, __PRETTY_FUNCTION__ ); } while (0); | |||
| 482 | ||||
| 483 | if (!u->transient) | |||
| 484 | return; | |||
| 485 | ||||
| 486 | if (u->fragment_path) | |||
| 487 | (void) unlink(u->fragment_path); | |||
| 488 | ||||
| 489 | STRV_FOREACH(i, u->dropin_paths)for ((i) = (u->dropin_paths); (i) && *(i); (i)++) { | |||
| 490 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0), *pp = NULL((void*)0); | |||
| 491 | ||||
| 492 | p = dirname_malloc(*i); /* Get the drop-in directory from the drop-in file */ | |||
| 493 | if (!p) | |||
| 494 | continue; | |||
| 495 | ||||
| 496 | pp = dirname_malloc(p); /* Get the config directory from the drop-in directory */ | |||
| 497 | if (!pp) | |||
| 498 | continue; | |||
| 499 | ||||
| 500 | /* Only drop transient drop-ins */ | |||
| 501 | if (!path_equal(u->manager->lookup_paths.transient, pp)) | |||
| 502 | continue; | |||
| 503 | ||||
| 504 | (void) unlink(*i); | |||
| 505 | (void) rmdir(p); | |||
| 506 | } | |||
| 507 | } | |||
| 508 | ||||
| 509 | static void unit_free_requires_mounts_for(Unit *u) { | |||
| 510 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 510, __PRETTY_FUNCTION__ ); } while (0); | |||
| 511 | ||||
| 512 | for (;;) { | |||
| 513 | _cleanup_free___attribute__((cleanup(freep))) char *path; | |||
| 514 | ||||
| 515 | path = hashmap_steal_first_key(u->requires_mounts_for); | |||
| 516 | if (!path) | |||
| 517 | break; | |||
| 518 | else { | |||
| 519 | char s[strlen(path) + 1]; | |||
| 520 | ||||
| 521 | PATH_FOREACH_PREFIX_MORE(s, path)for (char *_slash = ({ path_simplify(strcpy(s, path), 0); if ( (strcmp((s),("/")) == 0)) s[0] = 0; strrchr(s, 0); }); _slash && ((*_slash = 0), 1); _slash = strrchr((s), '/')) { | |||
| 522 | char *y; | |||
| 523 | Set *x; | |||
| 524 | ||||
| 525 | x = hashmap_get2(u->manager->units_requiring_mounts_for, s, (void**) &y); | |||
| 526 | if (!x) | |||
| 527 | continue; | |||
| 528 | ||||
| 529 | (void) set_remove(x, u); | |||
| 530 | ||||
| 531 | if (set_isempty(x)) { | |||
| 532 | (void) hashmap_remove(u->manager->units_requiring_mounts_for, y); | |||
| 533 | free(y); | |||
| 534 | set_free(x); | |||
| 535 | } | |||
| 536 | } | |||
| 537 | } | |||
| 538 | } | |||
| 539 | ||||
| 540 | u->requires_mounts_for = hashmap_free(u->requires_mounts_for); | |||
| 541 | } | |||
| 542 | ||||
| 543 | static void unit_done(Unit *u) { | |||
| 544 | ExecContext *ec; | |||
| 545 | CGroupContext *cc; | |||
| 546 | ||||
| 547 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 547, __PRETTY_FUNCTION__ ); } while (0); | |||
| 548 | ||||
| 549 | if (u->type < 0) | |||
| 550 | return; | |||
| 551 | ||||
| 552 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->done) | |||
| 553 | UNIT_VTABLE(u)unit_vtable[(u)->type]->done(u); | |||
| 554 | ||||
| 555 | ec = unit_get_exec_context(u); | |||
| 556 | if (ec) | |||
| 557 | exec_context_done(ec); | |||
| 558 | ||||
| 559 | cc = unit_get_cgroup_context(u); | |||
| 560 | if (cc) | |||
| 561 | cgroup_context_done(cc); | |||
| 562 | } | |||
| 563 | ||||
| 564 | void unit_free(Unit *u) { | |||
| 565 | UnitDependency d; | |||
| 566 | Iterator i; | |||
| 567 | char *t; | |||
| 568 | ||||
| 569 | if (!u) | |||
| 570 | return; | |||
| 571 | ||||
| 572 | u->transient_file = safe_fclose(u->transient_file); | |||
| 573 | ||||
| 574 | if (!MANAGER_IS_RELOADING(u->manager)((u->manager)->n_reloading > 0)) | |||
| 575 | unit_remove_transient(u); | |||
| 576 | ||||
| 577 | bus_unit_send_removed_signal(u); | |||
| 578 | ||||
| 579 | unit_done(u); | |||
| 580 | ||||
| 581 | unit_dequeue_rewatch_pids(u); | |||
| 582 | ||||
| 583 | sd_bus_slot_unref(u->match_bus_slot); | |||
| 584 | sd_bus_track_unref(u->bus_track); | |||
| 585 | u->deserialized_refs = strv_free(u->deserialized_refs); | |||
| 586 | u->pending_freezer_message = sd_bus_message_unref(u->pending_freezer_message); | |||
| 587 | ||||
| 588 | unit_free_requires_mounts_for(u); | |||
| 589 | ||||
| 590 | SET_FOREACH(t, u->names, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); set_iterate((u->names), &(i) , (void**)&(t)); ) | |||
| 591 | hashmap_remove_value(u->manager->units, t, u); | |||
| 592 | ||||
| 593 | if (!sd_id128_is_null(u->invocation_id)) | |||
| 594 | hashmap_remove_value(u->manager->units_by_invocation_id, &u->invocation_id, u); | |||
| 595 | ||||
| 596 | if (u->job) { | |||
| 597 | Job *j = u->job; | |||
| 598 | job_uninstall(j); | |||
| 599 | job_free(j); | |||
| 600 | } | |||
| 601 | ||||
| 602 | if (u->nop_job) { | |||
| 603 | Job *j = u->nop_job; | |||
| 604 | job_uninstall(j); | |||
| 605 | job_free(j); | |||
| 606 | } | |||
| 607 | ||||
| 608 | for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) | |||
| 609 | bidi_set_free(u, u->dependencies[d]); | |||
| 610 | ||||
| 611 | if (u->on_console) | |||
| 612 | manager_unref_console(u->manager); | |||
| 613 | ||||
| 614 | unit_release_cgroup(u); | |||
| 615 | ||||
| 616 | if (!MANAGER_IS_RELOADING(u->manager)((u->manager)->n_reloading > 0)) | |||
| 617 | unit_unlink_state_files(u); | |||
| 618 | ||||
| 619 | unit_unref_uid_gid(u, false0); | |||
| 620 | ||||
| 621 | (void) manager_update_failed_units(u->manager, u, false0); | |||
| 622 | set_remove(u->manager->startup_units, u); | |||
| 623 | ||||
| 624 | unit_unwatch_all_pids(u); | |||
| 625 | ||||
| 626 | unit_ref_unset(&u->slice); | |||
| 627 | while (u->refs_by_target) | |||
| 628 | unit_ref_unset(u->refs_by_target); | |||
| 629 | ||||
| 630 | if (u->type != _UNIT_TYPE_INVALID) | |||
| 631 | LIST_REMOVE(units_by_type, u->manager->units_by_type[u->type], u)do { typeof(*(u->manager->units_by_type[u->type])) * *_head = &(u->manager->units_by_type[u->type]), * _item = (u); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 631, __PRETTY_FUNCTION__ ); } while (0); if (_item->units_by_type_next) _item->units_by_type_next ->units_by_type_prev = _item->units_by_type_prev; if (_item ->units_by_type_prev) _item->units_by_type_prev->units_by_type_next = _item->units_by_type_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 631, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->units_by_type_next; } _item ->units_by_type_next = _item->units_by_type_prev = ((void *)0); } while (0); | |||
| 632 | ||||
| 633 | if (u->in_load_queue) | |||
| 634 | LIST_REMOVE(load_queue, u->manager->load_queue, u)do { typeof(*(u->manager->load_queue)) **_head = &( u->manager->load_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 634, __PRETTY_FUNCTION__); } while (0); if (_item->load_queue_next) _item->load_queue_next ->load_queue_prev = _item->load_queue_prev; if (_item-> load_queue_prev) _item->load_queue_prev->load_queue_next = _item->load_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 634, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->load_queue_next; } _item-> load_queue_next = _item->load_queue_prev = ((void*)0); } while (0); | |||
| 635 | ||||
| 636 | if (u->in_dbus_queue) | |||
| 637 | LIST_REMOVE(dbus_queue, u->manager->dbus_unit_queue, u)do { typeof(*(u->manager->dbus_unit_queue)) **_head = & (u->manager->dbus_unit_queue), *_item = (u); do { if (( __builtin_expect(!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("_item"), "../src/core/unit.c", 637, __PRETTY_FUNCTION__); } while (0); if (_item->dbus_queue_next) _item->dbus_queue_next ->dbus_queue_prev = _item->dbus_queue_prev; if (_item-> dbus_queue_prev) _item->dbus_queue_prev->dbus_queue_next = _item->dbus_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 637, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->dbus_queue_next; } _item-> dbus_queue_next = _item->dbus_queue_prev = ((void*)0); } while (0); | |||
| 638 | ||||
| 639 | if (u->in_gc_queue) | |||
| 640 | LIST_REMOVE(gc_queue, u->manager->gc_unit_queue, u)do { typeof(*(u->manager->gc_unit_queue)) **_head = & (u->manager->gc_unit_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 640, __PRETTY_FUNCTION__); } while (0); if (_item->gc_queue_next) _item->gc_queue_next ->gc_queue_prev = _item->gc_queue_prev; if (_item->gc_queue_prev ) _item->gc_queue_prev->gc_queue_next = _item->gc_queue_next ; else { do { if ((__builtin_expect(!!(!(*_head == _item)),0) )) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("*_head == _item" ), "../src/core/unit.c", 640, __PRETTY_FUNCTION__); } while ( 0); *_head = _item->gc_queue_next; } _item->gc_queue_next = _item->gc_queue_prev = ((void*)0); } while (0); | |||
| 641 | ||||
| 642 | if (u->in_cgroup_realize_queue) | |||
| 643 | LIST_REMOVE(cgroup_realize_queue, u->manager->cgroup_realize_queue, u)do { typeof(*(u->manager->cgroup_realize_queue)) **_head = &(u->manager->cgroup_realize_queue), *_item = (u ); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 643, __PRETTY_FUNCTION__ ); } while (0); if (_item->cgroup_realize_queue_next) _item ->cgroup_realize_queue_next->cgroup_realize_queue_prev = _item->cgroup_realize_queue_prev; if (_item->cgroup_realize_queue_prev ) _item->cgroup_realize_queue_prev->cgroup_realize_queue_next = _item->cgroup_realize_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 643, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->cgroup_realize_queue_next; } _item->cgroup_realize_queue_next = _item->cgroup_realize_queue_prev = ((void*)0); } while (0); | |||
| 644 | ||||
| 645 | if (u->in_cgroup_empty_queue) | |||
| 646 | LIST_REMOVE(cgroup_empty_queue, u->manager->cgroup_empty_queue, u)do { typeof(*(u->manager->cgroup_empty_queue)) **_head = &(u->manager->cgroup_empty_queue), *_item = (u); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 646, __PRETTY_FUNCTION__ ); } while (0); if (_item->cgroup_empty_queue_next) _item-> cgroup_empty_queue_next->cgroup_empty_queue_prev = _item-> cgroup_empty_queue_prev; if (_item->cgroup_empty_queue_prev ) _item->cgroup_empty_queue_prev->cgroup_empty_queue_next = _item->cgroup_empty_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 646, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->cgroup_empty_queue_next; } _item->cgroup_empty_queue_next = _item->cgroup_empty_queue_prev = ((void*)0); } while (0); | |||
| 647 | ||||
| 648 | if (u->in_cleanup_queue) | |||
| 649 | LIST_REMOVE(cleanup_queue, u->manager->cleanup_queue, u)do { typeof(*(u->manager->cleanup_queue)) **_head = & (u->manager->cleanup_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 649, __PRETTY_FUNCTION__); } while (0); if (_item->cleanup_queue_next) _item->cleanup_queue_next ->cleanup_queue_prev = _item->cleanup_queue_prev; if (_item ->cleanup_queue_prev) _item->cleanup_queue_prev->cleanup_queue_next = _item->cleanup_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 649, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->cleanup_queue_next; } _item ->cleanup_queue_next = _item->cleanup_queue_prev = ((void *)0); } while (0); | |||
| 650 | ||||
| 651 | if (u->in_target_deps_queue) | |||
| 652 | LIST_REMOVE(target_deps_queue, u->manager->target_deps_queue, u)do { typeof(*(u->manager->target_deps_queue)) **_head = &(u->manager->target_deps_queue), *_item = (u); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 652, __PRETTY_FUNCTION__ ); } while (0); if (_item->target_deps_queue_next) _item-> target_deps_queue_next->target_deps_queue_prev = _item-> target_deps_queue_prev; if (_item->target_deps_queue_prev) _item->target_deps_queue_prev->target_deps_queue_next = _item->target_deps_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 652, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->target_deps_queue_next; } _item ->target_deps_queue_next = _item->target_deps_queue_prev = ((void*)0); } while (0); | |||
| 653 | ||||
| 654 | if (u->in_stop_when_unneeded_queue) | |||
| 655 | LIST_REMOVE(stop_when_unneeded_queue, u->manager->stop_when_unneeded_queue, u)do { typeof(*(u->manager->stop_when_unneeded_queue)) ** _head = &(u->manager->stop_when_unneeded_queue), *_item = (u); do { if ((__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 655, __PRETTY_FUNCTION__ ); } while (0); if (_item->stop_when_unneeded_queue_next) _item ->stop_when_unneeded_queue_next->stop_when_unneeded_queue_prev = _item->stop_when_unneeded_queue_prev; if (_item->stop_when_unneeded_queue_prev ) _item->stop_when_unneeded_queue_prev->stop_when_unneeded_queue_next = _item->stop_when_unneeded_queue_next; else { do { if (( __builtin_expect(!!(!(*_head == _item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("*_head == _item"), "../src/core/unit.c" , 655, __PRETTY_FUNCTION__); } while (0); *_head = _item-> stop_when_unneeded_queue_next; } _item->stop_when_unneeded_queue_next = _item->stop_when_unneeded_queue_prev = ((void*)0); } while (0); | |||
| 656 | ||||
| 657 | safe_close(u->ip_accounting_ingress_map_fd); | |||
| 658 | safe_close(u->ip_accounting_egress_map_fd); | |||
| 659 | ||||
| 660 | safe_close(u->ipv4_allow_map_fd); | |||
| 661 | safe_close(u->ipv6_allow_map_fd); | |||
| 662 | safe_close(u->ipv4_deny_map_fd); | |||
| 663 | safe_close(u->ipv6_deny_map_fd); | |||
| 664 | ||||
| 665 | bpf_program_unref(u->ip_bpf_ingress); | |||
| 666 | bpf_program_unref(u->ip_bpf_ingress_installed); | |||
| 667 | bpf_program_unref(u->ip_bpf_egress); | |||
| 668 | bpf_program_unref(u->ip_bpf_egress_installed); | |||
| 669 | ||||
| 670 | condition_free_list(u->conditions); | |||
| 671 | condition_free_list(u->asserts); | |||
| 672 | ||||
| 673 | free(u->description); | |||
| 674 | strv_free(u->documentation); | |||
| 675 | free(u->fragment_path); | |||
| 676 | free(u->source_path); | |||
| 677 | strv_free(u->dropin_paths); | |||
| 678 | free(u->instance); | |||
| 679 | ||||
| 680 | free(u->job_timeout_reboot_arg); | |||
| 681 | ||||
| 682 | set_free_free(u->names); | |||
| 683 | ||||
| 684 | free(u->reboot_arg); | |||
| 685 | ||||
| 686 | free(u); | |||
| 687 | } | |||
| 688 | ||||
| 689 | FreezerState unit_freezer_state(Unit *u) { | |||
| 690 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 690, __PRETTY_FUNCTION__ ); } while (0); | |||
| 691 | ||||
| 692 | return u->freezer_state; | |||
| 693 | } | |||
| 694 | ||||
| 695 | int unit_freezer_state_kernel(Unit *u, FreezerState *ret) { | |||
| 696 | char *values[1] = {}; | |||
| 697 | int r; | |||
| 698 | ||||
| 699 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 699, __PRETTY_FUNCTION__ ); } while (0); | |||
| 700 | ||||
| 701 | r = cg_get_keyed_attribute(SYSTEMD_CGROUP_CONTROLLER"_systemd", u->cgroup_path, "cgroup.events", | |||
| 702 | STRV_MAKE("frozen")((char**) ((const char*[]) { "frozen", ((void*)0) })), values); | |||
| 703 | if (r < 0) | |||
| 704 | return r; | |||
| 705 | ||||
| 706 | r = _FREEZER_STATE_INVALID; | |||
| 707 | ||||
| 708 | if (values[0]) { | |||
| 709 | if (streq(values[0], "0")(strcmp((values[0]),("0")) == 0)) | |||
| 710 | r = FREEZER_RUNNING; | |||
| 711 | else if (streq(values[0], "1")(strcmp((values[0]),("1")) == 0)) | |||
| 712 | r = FREEZER_FROZEN; | |||
| 713 | } | |||
| 714 | ||||
| 715 | free(values[0]); | |||
| 716 | *ret = r; | |||
| 717 | ||||
| 718 | return 0; | |||
| 719 | } | |||
| 720 | ||||
| 721 | UnitActiveState unit_active_state(Unit *u) { | |||
| 722 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 722, __PRETTY_FUNCTION__ ); } while (0); | |||
| 723 | ||||
| 724 | if (u->load_state == UNIT_MERGED) | |||
| 725 | return unit_active_state(unit_follow_merge(u)); | |||
| 726 | ||||
| 727 | /* After a reload it might happen that a unit is not correctly | |||
| 728 | * loaded but still has a process around. That's why we won't | |||
| 729 | * shortcut failed loading to UNIT_INACTIVE_FAILED. */ | |||
| 730 | ||||
| 731 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->active_state(u); | |||
| 732 | } | |||
| 733 | ||||
| 734 | const char* unit_sub_state_to_string(Unit *u) { | |||
| 735 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 735, __PRETTY_FUNCTION__ ); } while (0); | |||
| 736 | ||||
| 737 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->sub_state_to_string(u); | |||
| 738 | } | |||
| 739 | ||||
| 740 | static int set_complete_move(Set **s, Set **other) { | |||
| 741 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/core/unit.c", 741, __PRETTY_FUNCTION__ ); } while (0); | |||
| 742 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 742, __PRETTY_FUNCTION__ ); } while (0); | |||
| 743 | ||||
| 744 | if (!other) | |||
| 745 | return 0; | |||
| 746 | ||||
| 747 | if (*s) | |||
| 748 | return set_move(*s, *other); | |||
| 749 | else | |||
| 750 | *s = TAKE_PTR(*other)({ typeof(*other) _ptr_ = (*other); (*other) = ((void*)0); _ptr_ ; }); | |||
| 751 | ||||
| 752 | return 0; | |||
| 753 | } | |||
| 754 | ||||
| 755 | static int hashmap_complete_move(Hashmap **s, Hashmap **other) { | |||
| 756 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/core/unit.c", 756, __PRETTY_FUNCTION__ ); } while (0); | |||
| 757 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 757, __PRETTY_FUNCTION__ ); } while (0); | |||
| 758 | ||||
| 759 | if (!*other) | |||
| 760 | return 0; | |||
| 761 | ||||
| 762 | if (*s) | |||
| 763 | return hashmap_move(*s, *other); | |||
| 764 | else | |||
| 765 | *s = TAKE_PTR(*other)({ typeof(*other) _ptr_ = (*other); (*other) = ((void*)0); _ptr_ ; }); | |||
| 766 | ||||
| 767 | return 0; | |||
| 768 | } | |||
| 769 | ||||
| 770 | static int merge_names(Unit *u, Unit *other) { | |||
| 771 | char *t; | |||
| 772 | Iterator i; | |||
| 773 | int r; | |||
| 774 | ||||
| 775 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 775, __PRETTY_FUNCTION__ ); } while (0); | |||
| 776 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 776, __PRETTY_FUNCTION__ ); } while (0); | |||
| 777 | ||||
| 778 | r = set_complete_move(&u->names, &other->names); | |||
| 779 | if (r < 0) | |||
| 780 | return r; | |||
| 781 | ||||
| 782 | set_free_free(other->names); | |||
| 783 | other->names = NULL((void*)0); | |||
| 784 | other->id = NULL((void*)0); | |||
| 785 | ||||
| 786 | SET_FOREACH(t, u->names, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); set_iterate((u->names), &(i) , (void**)&(t)); ) | |||
| 787 | assert_se(hashmap_replace(u->manager->units, t, u) == 0)do { if ((__builtin_expect(!!(!(hashmap_replace(u->manager ->units, t, u) == 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("hashmap_replace(u->manager->units, t, u) == 0"), "../src/core/unit.c" , 787, __PRETTY_FUNCTION__); } while (0); | |||
| 788 | ||||
| 789 | return 0; | |||
| 790 | } | |||
| 791 | ||||
| 792 | static int reserve_dependencies(Unit *u, Unit *other, UnitDependency d) { | |||
| 793 | unsigned n_reserve; | |||
| 794 | ||||
| 795 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 795, __PRETTY_FUNCTION__ ); } while (0); | |||
| 796 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 796, __PRETTY_FUNCTION__ ); } while (0); | |||
| 797 | assert(d < _UNIT_DEPENDENCY_MAX)do { if ((__builtin_expect(!!(!(d < _UNIT_DEPENDENCY_MAX)) ,0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("d < _UNIT_DEPENDENCY_MAX" ), "../src/core/unit.c", 797, __PRETTY_FUNCTION__); } while ( 0); | |||
| 798 | ||||
| 799 | /* | |||
| 800 | * If u does not have this dependency set allocated, there is no need | |||
| 801 | * to reserve anything. In that case other's set will be transferred | |||
| 802 | * as a whole to u by complete_move(). | |||
| 803 | */ | |||
| 804 | if (!u->dependencies[d]) | |||
| 805 | return 0; | |||
| 806 | ||||
| 807 | /* merge_dependencies() will skip a u-on-u dependency */ | |||
| 808 | n_reserve = hashmap_size(other->dependencies[d]) - !!hashmap_get(other->dependencies[d], u); | |||
| 809 | ||||
| 810 | return hashmap_reserve(u->dependencies[d], n_reserve); | |||
| 811 | } | |||
| 812 | ||||
| 813 | static void merge_dependencies(Unit *u, Unit *other, const char *other_id, UnitDependency d) { | |||
| 814 | Iterator i; | |||
| 815 | Unit *back; | |||
| 816 | void *v; | |||
| 817 | int r; | |||
| 818 | ||||
| 819 | /* Merges all dependencies of type 'd' of the unit 'other' into the deps of the unit 'u' */ | |||
| 820 | ||||
| 821 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 821, __PRETTY_FUNCTION__ ); } while (0); | |||
| 822 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 822, __PRETTY_FUNCTION__ ); } while (0); | |||
| 823 | assert(d < _UNIT_DEPENDENCY_MAX)do { if ((__builtin_expect(!!(!(d < _UNIT_DEPENDENCY_MAX)) ,0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("d < _UNIT_DEPENDENCY_MAX" ), "../src/core/unit.c", 823, __PRETTY_FUNCTION__); } while ( 0); | |||
| 824 | ||||
| 825 | /* Fix backwards pointers. Let's iterate through all dependendent units of the other unit. */ | |||
| 826 | HASHMAP_FOREACH_KEY(v, back, other->dependencies[d], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((other->dependencies [d]), &(i), (void**)&(v), (const void**) &(back)) ; ) { | |||
| 827 | UnitDependency k; | |||
| 828 | ||||
| 829 | /* Let's now iterate through the dependencies of that dependencies of the other units, looking for | |||
| 830 | * pointers back, and let's fix them up, to instead point to 'u'. */ | |||
| 831 | ||||
| 832 | for (k = 0; k < _UNIT_DEPENDENCY_MAX; k++) { | |||
| 833 | if (back == u) { | |||
| 834 | /* Do not add dependencies between u and itself. */ | |||
| 835 | if (hashmap_remove(back->dependencies[k], other)) | |||
| 836 | maybe_warn_about_dependency(u, other_id, k); | |||
| 837 | } else { | |||
| 838 | UnitDependencyInfo di_u, di_other, di_merged; | |||
| 839 | ||||
| 840 | /* Let's drop this dependency between "back" and "other", and let's create it between | |||
| 841 | * "back" and "u" instead. Let's merge the bit masks of the dependency we are moving, | |||
| 842 | * and any such dependency which might already exist */ | |||
| 843 | ||||
| 844 | di_other.data = hashmap_get(back->dependencies[k], other); | |||
| 845 | if (!di_other.data) | |||
| 846 | continue; /* dependency isn't set, let's try the next one */ | |||
| 847 | ||||
| 848 | di_u.data = hashmap_get(back->dependencies[k], u); | |||
| 849 | ||||
| 850 | di_merged = (UnitDependencyInfo) { | |||
| 851 | .origin_mask = di_u.origin_mask | di_other.origin_mask, | |||
| 852 | .destination_mask = di_u.destination_mask | di_other.destination_mask, | |||
| 853 | }; | |||
| 854 | ||||
| 855 | r = hashmap_remove_and_replace(back->dependencies[k], other, u, di_merged.data); | |||
| 856 | if (r < 0) | |||
| 857 | log_warning_errno(r, "Failed to remove/replace: back=%s other=%s u=%s: %m", back->id, other_id, u->id)({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 857, __func__, "Failed to remove/replace: back=%s other=%s u=%s: %m" , back->id, other_id, u->id) : -abs(_e); }); | |||
| 858 | assert(r >= 0)do { if ((__builtin_expect(!!(!(r >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("r >= 0"), "../src/core/unit.c", 858, __PRETTY_FUNCTION__); } while (0); | |||
| 859 | ||||
| 860 | /* assert_se(hashmap_remove_and_replace(back->dependencies[k], other, u, di_merged.data) >= 0); */ | |||
| 861 | } | |||
| 862 | } | |||
| 863 | ||||
| 864 | } | |||
| 865 | ||||
| 866 | /* Also do not move dependencies on u to itself */ | |||
| 867 | back = hashmap_remove(other->dependencies[d], u); | |||
| 868 | if (back) | |||
| 869 | maybe_warn_about_dependency(u, other_id, d); | |||
| 870 | ||||
| 871 | /* The move cannot fail. The caller must have performed a reservation. */ | |||
| 872 | assert_se(hashmap_complete_move(&u->dependencies[d], &other->dependencies[d]) == 0)do { if ((__builtin_expect(!!(!(hashmap_complete_move(&u-> dependencies[d], &other->dependencies[d]) == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("hashmap_complete_move(&u->dependencies[d], &other->dependencies[d]) == 0" ), "../src/core/unit.c", 872, __PRETTY_FUNCTION__); } while ( 0); | |||
| 873 | ||||
| 874 | other->dependencies[d] = hashmap_free(other->dependencies[d]); | |||
| 875 | } | |||
| 876 | ||||
| 877 | int unit_merge(Unit *u, Unit *other) { | |||
| 878 | UnitDependency d; | |||
| 879 | const char *other_id = NULL((void*)0); | |||
| 880 | int r; | |||
| 881 | ||||
| 882 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 882, __PRETTY_FUNCTION__ ); } while (0); | |||
| 883 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 883, __PRETTY_FUNCTION__ ); } while (0); | |||
| 884 | assert(u->manager == other->manager)do { if ((__builtin_expect(!!(!(u->manager == other->manager )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("u->manager == other->manager" ), "../src/core/unit.c", 884, __PRETTY_FUNCTION__); } while ( 0); | |||
| 885 | assert(u->type != _UNIT_TYPE_INVALID)do { if ((__builtin_expect(!!(!(u->type != _UNIT_TYPE_INVALID )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("u->type != _UNIT_TYPE_INVALID" ), "../src/core/unit.c", 885, __PRETTY_FUNCTION__); } while ( 0); | |||
| 886 | ||||
| 887 | other = unit_follow_merge(other); | |||
| 888 | ||||
| 889 | if (other == u) | |||
| 890 | return 0; | |||
| 891 | ||||
| 892 | if (u->type != other->type) | |||
| 893 | return -EINVAL22; | |||
| 894 | ||||
| 895 | if (!u->instance != !other->instance) | |||
| 896 | return -EINVAL22; | |||
| 897 | ||||
| 898 | if (!unit_type_may_alias(u->type)) /* Merging only applies to unit names that support aliases */ | |||
| 899 | return -EEXIST17; | |||
| 900 | ||||
| 901 | if (!IN_SET(other->load_state, UNIT_STUB, UNIT_NOT_FOUND)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){UNIT_STUB, UNIT_NOT_FOUND})/sizeof(int)] ; switch(other->load_state) { case UNIT_STUB: case UNIT_NOT_FOUND : _found = 1; break; default: break; } _found; })) | |||
| 902 | return -EEXIST17; | |||
| 903 | ||||
| 904 | if (other->job) | |||
| 905 | return -EEXIST17; | |||
| 906 | ||||
| 907 | if (other->nop_job) | |||
| 908 | return -EEXIST17; | |||
| 909 | ||||
| 910 | if (!UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other))) | |||
| 911 | return -EEXIST17; | |||
| 912 | ||||
| 913 | if (other->id) | |||
| 914 | other_id = strdupa(other->id)(__extension__ ({ const char *__old = (other->id); size_t __len = strlen (__old) + 1; char *__new = (char *) __builtin_alloca (__len); (char *) memcpy (__new, __old, __len); })); | |||
| 915 | ||||
| 916 | /* Make reservations to ensure merge_dependencies() won't fail */ | |||
| 917 | for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) { | |||
| 918 | r = reserve_dependencies(u, other, d); | |||
| 919 | /* | |||
| 920 | * We don't rollback reservations if we fail. We don't have | |||
| 921 | * a way to undo reservations. A reservation is not a leak. | |||
| 922 | */ | |||
| 923 | if (r < 0) | |||
| 924 | return r; | |||
| 925 | } | |||
| 926 | ||||
| 927 | /* Merge names */ | |||
| 928 | r = merge_names(u, other); | |||
| 929 | if (r < 0) | |||
| 930 | return r; | |||
| 931 | ||||
| 932 | /* Redirect all references */ | |||
| 933 | while (other->refs_by_target) | |||
| 934 | unit_ref_set(other->refs_by_target, other->refs_by_target->source, u); | |||
| 935 | ||||
| 936 | /* Merge dependencies */ | |||
| 937 | for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) | |||
| 938 | merge_dependencies(u, other, other_id, d); | |||
| 939 | ||||
| 940 | other->load_state = UNIT_MERGED; | |||
| 941 | other->merged_into = u; | |||
| 942 | ||||
| 943 | /* If there is still some data attached to the other node, we | |||
| 944 | * don't need it anymore, and can free it. */ | |||
| 945 | if (other->load_state != UNIT_STUB) | |||
| 946 | if (UNIT_VTABLE(other)unit_vtable[(other)->type]->done) | |||
| 947 | UNIT_VTABLE(other)unit_vtable[(other)->type]->done(other); | |||
| 948 | ||||
| 949 | unit_add_to_dbus_queue(u); | |||
| 950 | unit_add_to_cleanup_queue(other); | |||
| 951 | ||||
| 952 | return 0; | |||
| 953 | } | |||
| 954 | ||||
| 955 | int unit_merge_by_name(Unit *u, const char *name) { | |||
| 956 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 957 | Unit *other; | |||
| 958 | int r; | |||
| 959 | ||||
| 960 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 960, __PRETTY_FUNCTION__ ); } while (0); | |||
| 961 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 961, __PRETTY_FUNCTION__ ); } while (0); | |||
| 962 | ||||
| 963 | if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) { | |||
| 964 | if (!u->instance) | |||
| 965 | return -EINVAL22; | |||
| 966 | ||||
| 967 | r = unit_name_replace_instance(name, u->instance, &s); | |||
| 968 | if (r < 0) | |||
| 969 | return r; | |||
| 970 | ||||
| 971 | name = s; | |||
| 972 | } | |||
| 973 | ||||
| 974 | other = manager_get_unit(u->manager, name); | |||
| 975 | if (other) | |||
| 976 | return unit_merge(u, other); | |||
| 977 | ||||
| 978 | return unit_add_name(u, name); | |||
| 979 | } | |||
| 980 | ||||
| 981 | Unit* unit_follow_merge(Unit *u) { | |||
| 982 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 982, __PRETTY_FUNCTION__ ); } while (0); | |||
| 983 | ||||
| 984 | while (u->load_state == UNIT_MERGED) | |||
| 985 | assert_se(u = u->merged_into)do { if ((__builtin_expect(!!(!(u = u->merged_into)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u = u->merged_into"), "../src/core/unit.c" , 985, __PRETTY_FUNCTION__); } while (0); | |||
| 986 | ||||
| 987 | return u; | |||
| 988 | } | |||
| 989 | ||||
| 990 | int unit_add_exec_dependencies(Unit *u, ExecContext *c) { | |||
| 991 | ExecDirectoryType dt; | |||
| 992 | char **dp; | |||
| 993 | int r; | |||
| 994 | ||||
| 995 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 995, __PRETTY_FUNCTION__ ); } while (0); | |||
| 996 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/core/unit.c", 996, __PRETTY_FUNCTION__ ); } while (0); | |||
| 997 | ||||
| 998 | if (c->working_directory) { | |||
| 999 | r = unit_require_mounts_for(u, c->working_directory, UNIT_DEPENDENCY_FILE); | |||
| 1000 | if (r < 0) | |||
| 1001 | return r; | |||
| 1002 | } | |||
| 1003 | ||||
| 1004 | if (c->root_directory) { | |||
| 1005 | r = unit_require_mounts_for(u, c->root_directory, UNIT_DEPENDENCY_FILE); | |||
| 1006 | if (r < 0) | |||
| 1007 | return r; | |||
| 1008 | } | |||
| 1009 | ||||
| 1010 | if (c->root_image) { | |||
| 1011 | r = unit_require_mounts_for(u, c->root_image, UNIT_DEPENDENCY_FILE); | |||
| 1012 | if (r < 0) | |||
| 1013 | return r; | |||
| 1014 | } | |||
| 1015 | ||||
| 1016 | for (dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) { | |||
| 1017 | if (!u->manager->prefix[dt]) | |||
| 1018 | continue; | |||
| 1019 | ||||
| 1020 | STRV_FOREACH(dp, c->directories[dt].paths)for ((dp) = (c->directories[dt].paths); (dp) && *( dp); (dp)++) { | |||
| 1021 | _cleanup_free___attribute__((cleanup(freep))) char *p; | |||
| 1022 | ||||
| 1023 | p = strjoin(u->manager->prefix[dt], "/", *dp)strjoin_real((u->manager->prefix[dt]), "/", *dp, ((void *)0)); | |||
| 1024 | if (!p) | |||
| 1025 | return -ENOMEM12; | |||
| 1026 | ||||
| 1027 | r = unit_require_mounts_for(u, p, UNIT_DEPENDENCY_FILE); | |||
| 1028 | if (r < 0) | |||
| 1029 | return r; | |||
| 1030 | } | |||
| 1031 | } | |||
| 1032 | ||||
| 1033 | if (!MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM)) | |||
| 1034 | return 0; | |||
| 1035 | ||||
| 1036 | if (c->private_tmp) { | |||
| 1037 | r = unit_add_dependency_by_name(u, UNIT_AFTER, "tmp.mount", NULL((void*)0), true1, UNIT_DEPENDENCY_FILE); | |||
| 1038 | if (r < 0) | |||
| 1039 | return r; | |||
| 1040 | ||||
| 1041 | r = unit_require_mounts_for(u, "/var/tmp", UNIT_DEPENDENCY_FILE); | |||
| 1042 | if (r < 0) | |||
| 1043 | return r; | |||
| 1044 | ||||
| 1045 | r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_TMPFILES_SETUP_SERVICE"systemd-tmpfiles-setup.service", NULL((void*)0), true1, UNIT_DEPENDENCY_FILE); | |||
| 1046 | if (r < 0) | |||
| 1047 | return r; | |||
| 1048 | } | |||
| 1049 | ||||
| 1050 | if (!IN_SET(c->std_output,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_output) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) | |||
| 1051 | EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_output) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) | |||
| 1052 | EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_output) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) | |||
| 1053 | EXEC_OUTPUT_SYSLOG, EXEC_OUTPUT_SYSLOG_AND_CONSOLE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_output) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) && | |||
| 1054 | !IN_SET(c->std_error,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_error) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) | |||
| 1055 | EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_error) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) | |||
| 1056 | EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE,({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_error) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; }) | |||
| 1057 | EXEC_OUTPUT_SYSLOG, EXEC_OUTPUT_SYSLOG_AND_CONSOLE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE , EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_SYSLOG , EXEC_OUTPUT_SYSLOG_AND_CONSOLE})/sizeof(int)]; switch(c-> std_error) { case EXEC_OUTPUT_JOURNAL: case EXEC_OUTPUT_JOURNAL_AND_CONSOLE : case EXEC_OUTPUT_KMSG: case EXEC_OUTPUT_KMSG_AND_CONSOLE: case EXEC_OUTPUT_SYSLOG: case EXEC_OUTPUT_SYSLOG_AND_CONSOLE: _found = 1; break; default: break; } _found; })) | |||
| 1058 | return 0; | |||
| 1059 | ||||
| 1060 | /* If syslog or kernel logging is requested, make sure our own | |||
| 1061 | * logging daemon is run first. */ | |||
| 1062 | ||||
| 1063 | r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_JOURNALD_SOCKET"systemd-journald.socket", NULL((void*)0), true1, UNIT_DEPENDENCY_FILE); | |||
| 1064 | if (r < 0) | |||
| 1065 | return r; | |||
| 1066 | ||||
| 1067 | return 0; | |||
| 1068 | } | |||
| 1069 | ||||
| 1070 | const char *unit_description(Unit *u) { | |||
| 1071 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1071, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1072 | ||||
| 1073 | if (u->description) | |||
| 1074 | return u->description; | |||
| 1075 | ||||
| 1076 | return strna(u->id); | |||
| 1077 | } | |||
| 1078 | ||||
| 1079 | static void print_unit_dependency_mask(FILE *f, const char *kind, UnitDependencyMask mask, bool_Bool *space) { | |||
| 1080 | const struct { | |||
| 1081 | UnitDependencyMask mask; | |||
| 1082 | const char *name; | |||
| 1083 | } table[] = { | |||
| 1084 | { UNIT_DEPENDENCY_FILE, "file" }, | |||
| 1085 | { UNIT_DEPENDENCY_IMPLICIT, "implicit" }, | |||
| 1086 | { UNIT_DEPENDENCY_DEFAULT, "default" }, | |||
| 1087 | { UNIT_DEPENDENCY_UDEV, "udev" }, | |||
| 1088 | { UNIT_DEPENDENCY_PATH, "path" }, | |||
| 1089 | { UNIT_DEPENDENCY_MOUNTINFO_IMPLICIT, "mountinfo-implicit" }, | |||
| 1090 | { UNIT_DEPENDENCY_MOUNTINFO_DEFAULT, "mountinfo-default" }, | |||
| 1091 | { UNIT_DEPENDENCY_PROC_SWAP, "proc-swap" }, | |||
| 1092 | }; | |||
| 1093 | size_t i; | |||
| 1094 | ||||
| 1095 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 1095, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1096 | assert(kind)do { if ((__builtin_expect(!!(!(kind)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("kind"), "../src/core/unit.c", 1096, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1097 | assert(space)do { if ((__builtin_expect(!!(!(space)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("space"), "../src/core/unit.c", 1097, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1098 | ||||
| 1099 | for (i = 0; i < ELEMENTSOF(table)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(table), typeof(&*(table))), sizeof(table)/sizeof( (table)[0]), ((void)0))); i++) { | |||
| 1100 | ||||
| 1101 | if (mask == 0) | |||
| 1102 | break; | |||
| 1103 | ||||
| 1104 | if (FLAGS_SET(mask, table[i].mask)(((mask) & (table[i].mask)) == (table[i].mask))) { | |||
| 1105 | if (*space) | |||
| 1106 | fputc(' ', f); | |||
| 1107 | else | |||
| 1108 | *space = true1; | |||
| 1109 | ||||
| 1110 | fputs(kind, f); | |||
| 1111 | fputs("-", f); | |||
| 1112 | fputs(table[i].name, f); | |||
| 1113 | ||||
| 1114 | mask &= ~table[i].mask; | |||
| 1115 | } | |||
| 1116 | } | |||
| 1117 | ||||
| 1118 | assert(mask == 0)do { if ((__builtin_expect(!!(!(mask == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("mask == 0"), "../src/core/unit.c", 1118 , __PRETTY_FUNCTION__); } while (0); | |||
| 1119 | } | |||
| 1120 | ||||
| 1121 | void unit_dump(Unit *u, FILE *f, const char *prefix) { | |||
| 1122 | char *t, **j; | |||
| 1123 | UnitDependency d; | |||
| 1124 | Iterator i; | |||
| 1125 | const char *prefix2; | |||
| 1126 | char | |||
| 1127 | timestamp0[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], | |||
| 1128 | timestamp1[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], | |||
| 1129 | timestamp2[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], | |||
| 1130 | timestamp3[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], | |||
| 1131 | timestamp4[FORMAT_TIMESTAMP_MAX(3+1+10+1+8+1+6+1+6+1)], | |||
| 1132 | timespan[FORMAT_TIMESPAN_MAX64]; | |||
| 1133 | Unit *following; | |||
| 1134 | _cleanup_set_free___attribute__((cleanup(set_freep))) Set *following_set = NULL((void*)0); | |||
| 1135 | const char *n; | |||
| 1136 | CGroupMask m; | |||
| 1137 | int r; | |||
| 1138 | ||||
| 1139 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1139, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1140 | assert(u->type >= 0)do { if ((__builtin_expect(!!(!(u->type >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u->type >= 0"), "../src/core/unit.c" , 1140, __PRETTY_FUNCTION__); } while (0); | |||
| 1141 | ||||
| 1142 | prefix = strempty(prefix); | |||
| 1143 | prefix2 = strjoina(prefix, "\t")({ const char *_appendees_[] = { prefix, "\t" }; char *_d_, * _p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 1144 | ||||
| 1145 | fprintf(f, | |||
| 1146 | "%s-> Unit %s:\n" | |||
| 1147 | "%s\tDescription: %s\n" | |||
| 1148 | "%s\tInstance: %s\n" | |||
| 1149 | "%s\tUnit Load State: %s\n" | |||
| 1150 | "%s\tUnit Active State: %s\n" | |||
| 1151 | "%s\tState Change Timestamp: %s\n" | |||
| 1152 | "%s\tInactive Exit Timestamp: %s\n" | |||
| 1153 | "%s\tActive Enter Timestamp: %s\n" | |||
| 1154 | "%s\tActive Exit Timestamp: %s\n" | |||
| 1155 | "%s\tInactive Enter Timestamp: %s\n" | |||
| 1156 | "%s\tMay GC: %s\n" | |||
| 1157 | "%s\tNeed Daemon Reload: %s\n" | |||
| 1158 | "%s\tTransient: %s\n" | |||
| 1159 | "%s\tPerpetual: %s\n" | |||
| 1160 | "%s\tGarbage Collection Mode: %s\n" | |||
| 1161 | "%s\tSlice: %s\n" | |||
| 1162 | "%s\tCGroup: %s\n" | |||
| 1163 | "%s\tCGroup realized: %s\n", | |||
| 1164 | prefix, u->id, | |||
| 1165 | prefix, unit_description(u), | |||
| 1166 | prefix, strna(u->instance), | |||
| 1167 | prefix, unit_load_state_to_string(u->load_state), | |||
| 1168 | prefix, unit_active_state_to_string(unit_active_state(u)), | |||
| 1169 | prefix, strna(format_timestamp(timestamp0, sizeof(timestamp0), u->state_change_timestamp.realtime)), | |||
| 1170 | prefix, strna(format_timestamp(timestamp1, sizeof(timestamp1), u->inactive_exit_timestamp.realtime)), | |||
| 1171 | prefix, strna(format_timestamp(timestamp2, sizeof(timestamp2), u->active_enter_timestamp.realtime)), | |||
| 1172 | prefix, strna(format_timestamp(timestamp3, sizeof(timestamp3), u->active_exit_timestamp.realtime)), | |||
| 1173 | prefix, strna(format_timestamp(timestamp4, sizeof(timestamp4), u->inactive_enter_timestamp.realtime)), | |||
| 1174 | prefix, yes_no(unit_may_gc(u)), | |||
| 1175 | prefix, yes_no(unit_need_daemon_reload(u)), | |||
| 1176 | prefix, yes_no(u->transient), | |||
| 1177 | prefix, yes_no(u->perpetual), | |||
| 1178 | prefix, collect_mode_to_string(u->collect_mode), | |||
| 1179 | prefix, strna(unit_slice_name(u)), | |||
| 1180 | prefix, strna(u->cgroup_path), | |||
| 1181 | prefix, yes_no(u->cgroup_realized)); | |||
| 1182 | ||||
| 1183 | if (u->cgroup_realized_mask != 0) { | |||
| 1184 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 1185 | (void) cg_mask_to_string(u->cgroup_realized_mask, &s); | |||
| 1186 | fprintf(f, "%s\tCGroup realized mask: %s\n", prefix, strnull(s)); | |||
| 1187 | } | |||
| 1188 | if (u->cgroup_enabled_mask != 0) { | |||
| 1189 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 1190 | (void) cg_mask_to_string(u->cgroup_enabled_mask, &s); | |||
| 1191 | fprintf(f, "%s\tCGroup enabled mask: %s\n", prefix, strnull(s)); | |||
| 1192 | } | |||
| 1193 | m = unit_get_own_mask(u); | |||
| 1194 | if (m != 0) { | |||
| 1195 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 1196 | (void) cg_mask_to_string(m, &s); | |||
| 1197 | fprintf(f, "%s\tCGroup own mask: %s\n", prefix, strnull(s)); | |||
| 1198 | } | |||
| 1199 | m = unit_get_members_mask(u); | |||
| 1200 | if (m != 0) { | |||
| 1201 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 1202 | (void) cg_mask_to_string(m, &s); | |||
| 1203 | fprintf(f, "%s\tCGroup members mask: %s\n", prefix, strnull(s)); | |||
| 1204 | } | |||
| 1205 | ||||
| 1206 | SET_FOREACH(t, u->names, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); set_iterate((u->names), &(i) , (void**)&(t)); ) | |||
| 1207 | fprintf(f, "%s\tName: %s\n", prefix, t); | |||
| 1208 | ||||
| 1209 | if (!sd_id128_is_null(u->invocation_id)) | |||
| 1210 | fprintf(f, "%s\tInvocation ID: " SD_ID128_FORMAT_STR"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" "\n", | |||
| 1211 | prefix, SD_ID128_FORMAT_VAL(u->invocation_id)(u->invocation_id).bytes[0], (u->invocation_id).bytes[1 ], (u->invocation_id).bytes[2], (u->invocation_id).bytes [3], (u->invocation_id).bytes[4], (u->invocation_id).bytes [5], (u->invocation_id).bytes[6], (u->invocation_id).bytes [7], (u->invocation_id).bytes[8], (u->invocation_id).bytes [9], (u->invocation_id).bytes[10], (u->invocation_id).bytes [11], (u->invocation_id).bytes[12], (u->invocation_id). bytes[13], (u->invocation_id).bytes[14], (u->invocation_id ).bytes[15]); | |||
| 1212 | ||||
| 1213 | STRV_FOREACH(j, u->documentation)for ((j) = (u->documentation); (j) && *(j); (j)++) | |||
| 1214 | fprintf(f, "%s\tDocumentation: %s\n", prefix, *j); | |||
| 1215 | ||||
| 1216 | following = unit_following(u); | |||
| 1217 | if (following) | |||
| 1218 | fprintf(f, "%s\tFollowing: %s\n", prefix, following->id); | |||
| 1219 | ||||
| 1220 | r = unit_following_set(u, &following_set); | |||
| 1221 | if (r >= 0) { | |||
| 1222 | Unit *other; | |||
| 1223 | ||||
| 1224 | SET_FOREACH(other, following_set, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); set_iterate((following_set), &( i), (void**)&(other)); ) | |||
| 1225 | fprintf(f, "%s\tFollowing Set Member: %s\n", prefix, other->id); | |||
| 1226 | } | |||
| 1227 | ||||
| 1228 | if (u->fragment_path) | |||
| 1229 | fprintf(f, "%s\tFragment Path: %s\n", prefix, u->fragment_path); | |||
| 1230 | ||||
| 1231 | if (u->source_path) | |||
| 1232 | fprintf(f, "%s\tSource Path: %s\n", prefix, u->source_path); | |||
| 1233 | ||||
| 1234 | STRV_FOREACH(j, u->dropin_paths)for ((j) = (u->dropin_paths); (j) && *(j); (j)++) | |||
| 1235 | fprintf(f, "%s\tDropIn Path: %s\n", prefix, *j); | |||
| 1236 | ||||
| 1237 | if (u->failure_action != EMERGENCY_ACTION_NONE) | |||
| 1238 | fprintf(f, "%s\tFailure Action: %s\n", prefix, emergency_action_to_string(u->failure_action)); | |||
| 1239 | if (u->success_action != EMERGENCY_ACTION_NONE) | |||
| 1240 | fprintf(f, "%s\tSuccess Action: %s\n", prefix, emergency_action_to_string(u->success_action)); | |||
| 1241 | ||||
| 1242 | if (u->job_timeout != USEC_INFINITY((usec_t) -1)) | |||
| 1243 | fprintf(f, "%s\tJob Timeout: %s\n", prefix, format_timespan(timespan, sizeof(timespan), u->job_timeout, 0)); | |||
| 1244 | ||||
| 1245 | if (u->job_timeout_action != EMERGENCY_ACTION_NONE) | |||
| 1246 | fprintf(f, "%s\tJob Timeout Action: %s\n", prefix, emergency_action_to_string(u->job_timeout_action)); | |||
| 1247 | ||||
| 1248 | if (u->job_timeout_reboot_arg) | |||
| 1249 | fprintf(f, "%s\tJob Timeout Reboot Argument: %s\n", prefix, u->job_timeout_reboot_arg); | |||
| 1250 | ||||
| 1251 | condition_dump_list(u->conditions, f, prefix, condition_type_to_string); | |||
| 1252 | condition_dump_list(u->asserts, f, prefix, assert_type_to_string); | |||
| 1253 | ||||
| 1254 | if (dual_timestamp_is_set(&u->condition_timestamp)) | |||
| 1255 | fprintf(f, | |||
| 1256 | "%s\tCondition Timestamp: %s\n" | |||
| 1257 | "%s\tCondition Result: %s\n", | |||
| 1258 | prefix, strna(format_timestamp(timestamp1, sizeof(timestamp1), u->condition_timestamp.realtime)), | |||
| 1259 | prefix, yes_no(u->condition_result)); | |||
| 1260 | ||||
| 1261 | if (dual_timestamp_is_set(&u->assert_timestamp)) | |||
| 1262 | fprintf(f, | |||
| 1263 | "%s\tAssert Timestamp: %s\n" | |||
| 1264 | "%s\tAssert Result: %s\n", | |||
| 1265 | prefix, strna(format_timestamp(timestamp1, sizeof(timestamp1), u->assert_timestamp.realtime)), | |||
| 1266 | prefix, yes_no(u->assert_result)); | |||
| 1267 | ||||
| 1268 | for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) { | |||
| 1269 | UnitDependencyInfo di; | |||
| 1270 | Unit *other; | |||
| 1271 | ||||
| 1272 | HASHMAP_FOREACH_KEY(di.data, other, u->dependencies[d], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [d]), &(i), (void**)&(di.data), (const void**) &( other)); ) { | |||
| 1273 | bool_Bool space = false0; | |||
| 1274 | ||||
| 1275 | fprintf(f, "%s\t%s: %s (", prefix, unit_dependency_to_string(d), other->id); | |||
| 1276 | ||||
| 1277 | print_unit_dependency_mask(f, "origin", di.origin_mask, &space); | |||
| 1278 | print_unit_dependency_mask(f, "destination", di.destination_mask, &space); | |||
| 1279 | ||||
| 1280 | fputs(")\n", f); | |||
| 1281 | } | |||
| 1282 | } | |||
| 1283 | ||||
| 1284 | if (!hashmap_isempty(u->requires_mounts_for)) { | |||
| 1285 | UnitDependencyInfo di; | |||
| 1286 | const char *path; | |||
| 1287 | ||||
| 1288 | HASHMAP_FOREACH_KEY(di.data, path, u->requires_mounts_for, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->requires_mounts_for ), &(i), (void**)&(di.data), (const void**) &(path )); ) { | |||
| 1289 | bool_Bool space = false0; | |||
| 1290 | ||||
| 1291 | fprintf(f, "%s\tRequiresMountsFor: %s (", prefix, path); | |||
| 1292 | ||||
| 1293 | print_unit_dependency_mask(f, "origin", di.origin_mask, &space); | |||
| 1294 | print_unit_dependency_mask(f, "destination", di.destination_mask, &space); | |||
| 1295 | ||||
| 1296 | fputs(")\n", f); | |||
| 1297 | } | |||
| 1298 | } | |||
| 1299 | ||||
| 1300 | if (u->load_state == UNIT_LOADED) { | |||
| 1301 | ||||
| 1302 | fprintf(f, | |||
| 1303 | "%s\tStopWhenUnneeded: %s\n" | |||
| 1304 | "%s\tRefuseManualStart: %s\n" | |||
| 1305 | "%s\tRefuseManualStop: %s\n" | |||
| 1306 | "%s\tDefaultDependencies: %s\n" | |||
| 1307 | "%s\tOnFailureJobMode: %s\n" | |||
| 1308 | "%s\tIgnoreOnIsolate: %s\n", | |||
| 1309 | prefix, yes_no(u->stop_when_unneeded), | |||
| 1310 | prefix, yes_no(u->refuse_manual_start), | |||
| 1311 | prefix, yes_no(u->refuse_manual_stop), | |||
| 1312 | prefix, yes_no(u->default_dependencies), | |||
| 1313 | prefix, job_mode_to_string(u->on_failure_job_mode), | |||
| 1314 | prefix, yes_no(u->ignore_on_isolate)); | |||
| 1315 | ||||
| 1316 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->dump) | |||
| 1317 | UNIT_VTABLE(u)unit_vtable[(u)->type]->dump(u, f, prefix2); | |||
| 1318 | ||||
| 1319 | } else if (u->load_state == UNIT_MERGED) | |||
| 1320 | fprintf(f, | |||
| 1321 | "%s\tMerged into: %s\n", | |||
| 1322 | prefix, u->merged_into->id); | |||
| 1323 | else if (u->load_state == UNIT_ERROR) | |||
| 1324 | fprintf(f, "%s\tLoad Error Code: %s\n", prefix, strerror(-u->load_error)); | |||
| 1325 | ||||
| 1326 | for (n = sd_bus_track_first(u->bus_track); n; n = sd_bus_track_next(u->bus_track)) | |||
| 1327 | fprintf(f, "%s\tBus Ref: %s\n", prefix, n); | |||
| 1328 | ||||
| 1329 | if (u->job) | |||
| 1330 | job_dump(u->job, f, prefix2); | |||
| 1331 | ||||
| 1332 | if (u->nop_job) | |||
| 1333 | job_dump(u->nop_job, f, prefix2); | |||
| 1334 | } | |||
| 1335 | ||||
| 1336 | /* Common implementation for multiple backends */ | |||
| 1337 | int unit_load_fragment_and_dropin(Unit *u) { | |||
| 1338 | int r; | |||
| 1339 | ||||
| 1340 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1340, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1341 | ||||
| 1342 | /* Load a .{service,socket,...} file */ | |||
| 1343 | r = unit_load_fragment(u); | |||
| 1344 | if (r < 0) | |||
| 1345 | return r; | |||
| 1346 | ||||
| 1347 | if (u->load_state == UNIT_STUB) | |||
| 1348 | return -ENOENT2; | |||
| 1349 | ||||
| 1350 | /* Load drop-in directory data. If u is an alias, we might be reloading the | |||
| 1351 | * target unit needlessly. But we cannot be sure which drops-ins have already | |||
| 1352 | * been loaded and which not, at least without doing complicated book-keeping, | |||
| 1353 | * so let's always reread all drop-ins. */ | |||
| 1354 | return unit_load_dropin(unit_follow_merge(u)); | |||
| 1355 | } | |||
| 1356 | ||||
| 1357 | /* Common implementation for multiple backends */ | |||
| 1358 | int unit_load_fragment_and_dropin_optional(Unit *u) { | |||
| 1359 | int r; | |||
| 1360 | ||||
| 1361 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1361, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1362 | ||||
| 1363 | /* Same as unit_load_fragment_and_dropin(), but whether | |||
| 1364 | * something can be loaded or not doesn't matter. */ | |||
| 1365 | ||||
| 1366 | /* Load a .service/.socket/.slice/… file */ | |||
| 1367 | r = unit_load_fragment(u); | |||
| 1368 | if (r < 0) | |||
| 1369 | return r; | |||
| 1370 | ||||
| 1371 | if (u->load_state == UNIT_STUB) | |||
| 1372 | u->load_state = UNIT_LOADED; | |||
| 1373 | ||||
| 1374 | /* Load drop-in directory data */ | |||
| 1375 | return unit_load_dropin(unit_follow_merge(u)); | |||
| 1376 | } | |||
| 1377 | ||||
| 1378 | void unit_add_to_target_deps_queue(Unit *u) { | |||
| 1379 | Manager *m = u->manager; | |||
| 1380 | ||||
| 1381 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1381, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1382 | ||||
| 1383 | if (u->in_target_deps_queue) | |||
| 1384 | return; | |||
| 1385 | ||||
| 1386 | LIST_PREPEND(target_deps_queue, m->target_deps_queue, u)do { typeof(*(m->target_deps_queue)) **_head = &(m-> target_deps_queue), *_item = (u); do { if ((__builtin_expect( !!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ( "_item"), "../src/core/unit.c", 1386, __PRETTY_FUNCTION__); } while (0); if ((_item->target_deps_queue_next = *_head)) _item ->target_deps_queue_next->target_deps_queue_prev = _item ; _item->target_deps_queue_prev = ((void*)0); *_head = _item ; } while (0); | |||
| 1387 | u->in_target_deps_queue = true1; | |||
| 1388 | } | |||
| 1389 | ||||
| 1390 | int unit_add_default_target_dependency(Unit *u, Unit *target) { | |||
| 1391 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1391, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1392 | assert(target)do { if ((__builtin_expect(!!(!(target)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("target"), "../src/core/unit.c", 1392, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1393 | ||||
| 1394 | if (target->type != UNIT_TARGET) | |||
| 1395 | return 0; | |||
| 1396 | ||||
| 1397 | /* Only add the dependency if both units are loaded, so that | |||
| 1398 | * that loop check below is reliable */ | |||
| 1399 | if (u->load_state != UNIT_LOADED || | |||
| 1400 | target->load_state != UNIT_LOADED) | |||
| 1401 | return 0; | |||
| 1402 | ||||
| 1403 | /* If either side wants no automatic dependencies, then let's | |||
| 1404 | * skip this */ | |||
| 1405 | if (!u->default_dependencies || | |||
| 1406 | !target->default_dependencies) | |||
| 1407 | return 0; | |||
| 1408 | ||||
| 1409 | /* Don't create loops */ | |||
| 1410 | if (hashmap_get(target->dependencies[UNIT_BEFORE], u)) | |||
| 1411 | return 0; | |||
| 1412 | ||||
| 1413 | return unit_add_dependency(target, UNIT_AFTER, u, true1, UNIT_DEPENDENCY_DEFAULT); | |||
| 1414 | } | |||
| 1415 | ||||
| 1416 | static int unit_add_slice_dependencies(Unit *u) { | |||
| 1417 | UnitDependencyMask mask; | |||
| 1418 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1418, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1419 | ||||
| 1420 | if (!UNIT_HAS_CGROUP_CONTEXT(u)(unit_vtable[(u)->type]->cgroup_context_offset > 0)) | |||
| 1421 | return 0; | |||
| 1422 | ||||
| 1423 | /* Slice units are implicitly ordered against their parent slices (as this relationship is encoded in the | |||
| 1424 | name), while all other units are ordered based on configuration (as in their case Slice= configures the | |||
| 1425 | relationship). */ | |||
| 1426 | mask = u->type == UNIT_SLICE ? UNIT_DEPENDENCY_IMPLICIT : UNIT_DEPENDENCY_FILE; | |||
| 1427 | ||||
| 1428 | if (UNIT_ISSET(u->slice)(!!(u->slice).target)) | |||
| 1429 | return unit_add_two_dependencies(u, UNIT_AFTER, UNIT_REQUIRES, UNIT_DEREF(u->slice)((u->slice).target), true1, mask); | |||
| 1430 | ||||
| 1431 | if (unit_has_name(u, SPECIAL_ROOT_SLICE"-.slice")) | |||
| 1432 | return 0; | |||
| 1433 | ||||
| 1434 | return unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_ROOT_SLICE"-.slice", NULL((void*)0), true1, mask); | |||
| 1435 | } | |||
| 1436 | ||||
| 1437 | static int unit_add_mount_dependencies(Unit *u) { | |||
| 1438 | UnitDependencyInfo di; | |||
| 1439 | const char *path; | |||
| 1440 | Iterator i; | |||
| 1441 | int r; | |||
| 1442 | ||||
| 1443 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1443, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1444 | ||||
| 1445 | HASHMAP_FOREACH_KEY(di.data, path, u->requires_mounts_for, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->requires_mounts_for ), &(i), (void**)&(di.data), (const void**) &(path )); ) { | |||
| 1446 | char prefix[strlen(path) + 1]; | |||
| 1447 | ||||
| 1448 | PATH_FOREACH_PREFIX_MORE(prefix, path)for (char *_slash = ({ path_simplify(strcpy(prefix, path), 0) ; if ((strcmp((prefix),("/")) == 0)) prefix[0] = 0; strrchr(prefix , 0); }); _slash && ((*_slash = 0), 1); _slash = strrchr ((prefix), '/')) { | |||
| 1449 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0); | |||
| 1450 | Unit *m; | |||
| 1451 | ||||
| 1452 | r = unit_name_from_path(prefix, ".mount", &p); | |||
| 1453 | if (r < 0) | |||
| 1454 | return r; | |||
| 1455 | ||||
| 1456 | m = manager_get_unit(u->manager, p); | |||
| 1457 | if (!m) { | |||
| 1458 | /* Make sure to load the mount unit if | |||
| 1459 | * it exists. If so the dependencies | |||
| 1460 | * on this unit will be added later | |||
| 1461 | * during the loading of the mount | |||
| 1462 | * unit. */ | |||
| 1463 | (void) manager_load_unit_prepare(u->manager, p, NULL((void*)0), NULL((void*)0), &m); | |||
| 1464 | continue; | |||
| 1465 | } | |||
| 1466 | if (m == u) | |||
| 1467 | continue; | |||
| 1468 | ||||
| 1469 | if (m->load_state != UNIT_LOADED) | |||
| 1470 | continue; | |||
| 1471 | ||||
| 1472 | r = unit_add_dependency(u, UNIT_AFTER, m, true1, di.origin_mask); | |||
| 1473 | if (r < 0) | |||
| 1474 | return r; | |||
| 1475 | ||||
| 1476 | if (m->fragment_path && !streq(m->id, "tmp.mount")(strcmp((m->id),("tmp.mount")) == 0)) { | |||
| 1477 | r = unit_add_dependency(u, UNIT_REQUIRES, m, true1, di.origin_mask); | |||
| 1478 | if (r < 0) | |||
| 1479 | return r; | |||
| 1480 | } | |||
| 1481 | } | |||
| 1482 | } | |||
| 1483 | ||||
| 1484 | return 0; | |||
| 1485 | } | |||
| 1486 | ||||
| 1487 | static int unit_add_startup_units(Unit *u) { | |||
| 1488 | CGroupContext *c; | |||
| 1489 | int r; | |||
| 1490 | ||||
| 1491 | c = unit_get_cgroup_context(u); | |||
| 1492 | if (!c) | |||
| 1493 | return 0; | |||
| 1494 | ||||
| 1495 | if (c->startup_cpu_shares == CGROUP_CPU_SHARES_INVALID((uint64_t) -1) && | |||
| 1496 | c->startup_io_weight == CGROUP_WEIGHT_INVALID((uint64_t) -1) && | |||
| 1497 | c->startup_blockio_weight == CGROUP_BLKIO_WEIGHT_INVALID((uint64_t) -1)) | |||
| 1498 | return 0; | |||
| 1499 | ||||
| 1500 | r = set_ensure_allocated(&u->manager->startup_units, NULL)internal_set_ensure_allocated(&u->manager->startup_units , ((void*)0) ); | |||
| 1501 | if (r < 0) | |||
| 1502 | return r; | |||
| 1503 | ||||
| 1504 | return set_put(u->manager->startup_units, u); | |||
| 1505 | } | |||
| 1506 | ||||
| 1507 | int unit_load(Unit *u) { | |||
| 1508 | int r; | |||
| 1509 | ||||
| 1510 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1510, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1511 | ||||
| 1512 | if (u->in_load_queue) { | |||
| 1513 | LIST_REMOVE(load_queue, u->manager->load_queue, u)do { typeof(*(u->manager->load_queue)) **_head = &( u->manager->load_queue), *_item = (u); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 1513, __PRETTY_FUNCTION__); } while (0); if (_item->load_queue_next) _item->load_queue_next ->load_queue_prev = _item->load_queue_prev; if (_item-> load_queue_prev) _item->load_queue_prev->load_queue_next = _item->load_queue_next; else { do { if ((__builtin_expect (!!(!(*_head == _item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("*_head == _item"), "../src/core/unit.c", 1513, __PRETTY_FUNCTION__ ); } while (0); *_head = _item->load_queue_next; } _item-> load_queue_next = _item->load_queue_prev = ((void*)0); } while (0); | |||
| 1514 | u->in_load_queue = false0; | |||
| 1515 | } | |||
| 1516 | ||||
| 1517 | if (u->type == _UNIT_TYPE_INVALID) | |||
| 1518 | return -EINVAL22; | |||
| 1519 | ||||
| 1520 | if (u->load_state != UNIT_STUB) | |||
| 1521 | return 0; | |||
| 1522 | ||||
| 1523 | if (u->transient_file) { | |||
| 1524 | r = fflush_and_check(u->transient_file); | |||
| 1525 | if (r < 0) | |||
| 1526 | goto fail; | |||
| 1527 | ||||
| 1528 | u->transient_file = safe_fclose(u->transient_file); | |||
| 1529 | u->fragment_mtime = now(CLOCK_REALTIME0); | |||
| 1530 | } | |||
| 1531 | ||||
| 1532 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->load) { | |||
| 1533 | r = UNIT_VTABLE(u)unit_vtable[(u)->type]->load(u); | |||
| 1534 | if (r < 0) | |||
| 1535 | goto fail; | |||
| 1536 | } | |||
| 1537 | ||||
| 1538 | if (u->load_state == UNIT_STUB) { | |||
| 1539 | r = -ENOENT2; | |||
| 1540 | goto fail; | |||
| 1541 | } | |||
| 1542 | ||||
| 1543 | if (u->load_state == UNIT_LOADED) { | |||
| 1544 | unit_add_to_target_deps_queue(u); | |||
| 1545 | ||||
| 1546 | r = unit_add_slice_dependencies(u); | |||
| 1547 | if (r < 0) | |||
| 1548 | goto fail; | |||
| 1549 | ||||
| 1550 | r = unit_add_mount_dependencies(u); | |||
| 1551 | if (r < 0) | |||
| 1552 | goto fail; | |||
| 1553 | ||||
| 1554 | r = unit_add_startup_units(u); | |||
| 1555 | if (r < 0) | |||
| 1556 | goto fail; | |||
| 1557 | ||||
| 1558 | if (u->on_failure_job_mode == JOB_ISOLATE && hashmap_size(u->dependencies[UNIT_ON_FAILURE]) > 1) { | |||
| 1559 | log_unit_error(u, "More than one OnFailure= dependencies specified but OnFailureJobMode=isolate set. Refusing.")({ const Unit *_u = (u); _u ? log_object_internal(3, 0, "../src/core/unit.c" , 1559, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "More than one OnFailure= dependencies specified but OnFailureJobMode=isolate set. Refusing." ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((3 ))), 0, "../src/core/unit.c", 1559, __func__, "More than one OnFailure= dependencies specified but OnFailureJobMode=isolate set. Refusing." ); }); | |||
| 1560 | r = -ENOEXEC8; | |||
| 1561 | goto fail; | |||
| 1562 | } | |||
| 1563 | ||||
| 1564 | if (u->job_running_timeout != USEC_INFINITY((usec_t) -1) && u->job_running_timeout > u->job_timeout) | |||
| 1565 | log_unit_warning(u, "JobRunningTimeoutSec= is greater than JobTimeoutSec=, it has no effect.")({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1565, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "JobRunningTimeoutSec= is greater than JobTimeoutSec=, it has no effect." ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4 ))), 0, "../src/core/unit.c", 1565, __func__, "JobRunningTimeoutSec= is greater than JobTimeoutSec=, it has no effect." ); }); | |||
| 1566 | ||||
| 1567 | unit_update_cgroup_members_masks(u); | |||
| 1568 | } | |||
| 1569 | ||||
| 1570 | assert((u->load_state != UNIT_MERGED) == !u->merged_into)do { if ((__builtin_expect(!!(!((u->load_state != UNIT_MERGED ) == !u->merged_into)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("(u->load_state != UNIT_MERGED) == !u->merged_into") , "../src/core/unit.c", 1570, __PRETTY_FUNCTION__); } while ( 0); | |||
| 1571 | ||||
| 1572 | unit_add_to_dbus_queue(unit_follow_merge(u)); | |||
| 1573 | unit_add_to_gc_queue(u); | |||
| 1574 | ||||
| 1575 | return 0; | |||
| 1576 | ||||
| 1577 | fail: | |||
| 1578 | /* We convert ENOEXEC errors to the UNIT_BAD_SETTING load state here. Configuration parsing code should hence | |||
| 1579 | * return ENOEXEC to ensure units are placed in this state after loading */ | |||
| 1580 | ||||
| 1581 | u->load_state = u->load_state == UNIT_STUB ? UNIT_NOT_FOUND : | |||
| 1582 | r == -ENOEXEC8 ? UNIT_BAD_SETTING : | |||
| 1583 | UNIT_ERROR; | |||
| 1584 | u->load_error = r; | |||
| 1585 | ||||
| 1586 | unit_add_to_dbus_queue(u); | |||
| 1587 | unit_add_to_gc_queue(u); | |||
| 1588 | ||||
| 1589 | return log_unit_debug_errno(u, r, "Failed to load configuration: %m")({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 1589, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to load configuration: %m") : log_internal_realm((( LOG_REALM_SYSTEMD) << 10 | ((7))), r, "../src/core/unit.c" , 1589, __func__, "Failed to load configuration: %m"); }); | |||
| 1590 | } | |||
| 1591 | ||||
| 1592 | static bool_Bool unit_condition_test_list(Unit *u, Condition *first, const char *(*to_string)(ConditionType t)) { | |||
| 1593 | Condition *c; | |||
| 1594 | int triggered = -1; | |||
| 1595 | ||||
| 1596 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1596, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1597 | assert(to_string)do { if ((__builtin_expect(!!(!(to_string)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("to_string"), "../src/core/unit.c", 1597 , __PRETTY_FUNCTION__); } while (0); | |||
| 1598 | ||||
| 1599 | /* If the condition list is empty, then it is true */ | |||
| 1600 | if (!first) | |||
| 1601 | return true1; | |||
| 1602 | ||||
| 1603 | /* Otherwise, if all of the non-trigger conditions apply and | |||
| 1604 | * if any of the trigger conditions apply (unless there are | |||
| 1605 | * none) we return true */ | |||
| 1606 | LIST_FOREACH(conditions, c, first)for ((c) = (first); (c); (c) = (c)->conditions_next) { | |||
| 1607 | int r; | |||
| 1608 | ||||
| 1609 | r = condition_test(c); | |||
| 1610 | if (r < 0) | |||
| 1611 | log_unit_warning(u,({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1616, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), 0, "../src/core/unit.c", 1616, __func__ , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }) | |||
| 1612 | "Couldn't determine result for %s=%s%s%s, assuming failed: %m",({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1616, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), 0, "../src/core/unit.c", 1616, __func__ , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }) | |||
| 1613 | to_string(c->type),({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1616, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), 0, "../src/core/unit.c", 1616, __func__ , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }) | |||
| 1614 | c->trigger ? "|" : "",({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1616, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), 0, "../src/core/unit.c", 1616, __func__ , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }) | |||
| 1615 | c->negate ? "!" : "",({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1616, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), 0, "../src/core/unit.c", 1616, __func__ , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }) | |||
| 1616 | c->parameter)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1616, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), 0, "../src/core/unit.c", 1616, __func__ , "Couldn't determine result for %s=%s%s%s, assuming failed: %m" , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter); }); | |||
| 1617 | else | |||
| 1618 | log_unit_debug(u,({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }) | |||
| 1619 | "%s=%s%s%s %s.",({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }) | |||
| 1620 | to_string(c->type),({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }) | |||
| 1621 | c->trigger ? "|" : "",({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }) | |||
| 1622 | c->negate ? "!" : "",({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }) | |||
| 1623 | c->parameter,({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }) | |||
| 1624 | condition_result_to_string(c->result))({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1624, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s=%s%s%s %s.", to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string (c->result)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1624, __func__, "%s=%s%s%s %s." , to_string(c->type), c->trigger ? "|" : "", c->negate ? "!" : "", c->parameter, condition_result_to_string(c-> result)); }); | |||
| 1625 | ||||
| 1626 | if (!c->trigger && r <= 0) | |||
| 1627 | return false0; | |||
| 1628 | ||||
| 1629 | if (c->trigger && triggered <= 0) | |||
| 1630 | triggered = r > 0; | |||
| 1631 | } | |||
| 1632 | ||||
| 1633 | return triggered != 0; | |||
| 1634 | } | |||
| 1635 | ||||
| 1636 | static bool_Bool unit_condition_test(Unit *u) { | |||
| 1637 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1637, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1638 | ||||
| 1639 | dual_timestamp_get(&u->condition_timestamp); | |||
| 1640 | u->condition_result = unit_condition_test_list(u, u->conditions, condition_type_to_string); | |||
| 1641 | ||||
| 1642 | return u->condition_result; | |||
| 1643 | } | |||
| 1644 | ||||
| 1645 | static bool_Bool unit_assert_test(Unit *u) { | |||
| 1646 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1646, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1647 | ||||
| 1648 | dual_timestamp_get(&u->assert_timestamp); | |||
| 1649 | u->assert_result = unit_condition_test_list(u, u->asserts, assert_type_to_string); | |||
| 1650 | ||||
| 1651 | return u->assert_result; | |||
| 1652 | } | |||
| 1653 | ||||
| 1654 | void unit_status_printf(Unit *u, const char *status, const char *unit_status_msg_format) { | |||
| 1655 | DISABLE_WARNING_FORMAT_NONLITERALGCC diagnostic push
; GCC diagnostic ignored "-Wformat-nonliteral" ; | |||
| 1656 | manager_status_printf(u->manager, STATUS_TYPE_NORMAL, status, unit_status_msg_format, unit_description(u)); | |||
| 1657 | REENABLE_WARNINGGCC diagnostic pop ; | |||
| 1658 | } | |||
| 1659 | ||||
| 1660 | ||||
| 1661 | int unit_start_limit_test(Unit *u) { | |||
| 1662 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1662, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1663 | ||||
| 1664 | if (ratelimit_below(&u->start_limit)) { | |||
| 1665 | u->start_limit_hit = false0; | |||
| 1666 | return 0; | |||
| 1667 | } | |||
| 1668 | ||||
| 1669 | log_unit_warning(u, "Start request repeated too quickly.")({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1669, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Start request repeated too quickly.") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c" , 1669, __func__, "Start request repeated too quickly."); }); | |||
| 1670 | u->start_limit_hit = true1; | |||
| 1671 | ||||
| 1672 | return emergency_action(u->manager, u->start_limit_action, u->reboot_arg, "unit failed"); | |||
| 1673 | } | |||
| 1674 | ||||
| 1675 | bool_Bool unit_shall_confirm_spawn(Unit *u) { | |||
| 1676 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1676, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1677 | ||||
| 1678 | if (manager_is_confirm_spawn_disabled(u->manager)) | |||
| 1679 | return false0; | |||
| 1680 | ||||
| 1681 | /* For some reasons units remaining in the same process group | |||
| 1682 | * as PID 1 fail to acquire the console even if it's not used | |||
| 1683 | * by any process. So skip the confirmation question for them. */ | |||
| 1684 | return !unit_get_exec_context(u)->same_pgrp; | |||
| 1685 | } | |||
| 1686 | ||||
| 1687 | static bool_Bool unit_verify_deps(Unit *u) { | |||
| 1688 | Unit *other; | |||
| 1689 | Iterator j; | |||
| 1690 | void *v; | |||
| 1691 | ||||
| 1692 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1692, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1693 | ||||
| 1694 | /* Checks whether all BindsTo= dependencies of this unit are fulfilled — if they are also combined with | |||
| 1695 | * After=. We do not check Requires= or Requisite= here as they only should have an effect on the job | |||
| 1696 | * processing, but do not have any effect afterwards. We don't check BindsTo= dependencies that are not used in | |||
| 1697 | * conjunction with After= as for them any such check would make things entirely racy. */ | |||
| 1698 | ||||
| 1699 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_BINDS_TO], j)for ((j) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_BINDS_TO]), &(j), (void**)&(v), (const void**) & (other)); ) { | |||
| 1700 | ||||
| 1701 | if (!hashmap_contains(u->dependencies[UNIT_AFTER], other)) | |||
| 1702 | continue; | |||
| 1703 | ||||
| 1704 | if (!UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(other))) { | |||
| 1705 | log_unit_notice(u, "Bound to unit %s, but unit isn't active.", other->id)({ const Unit *_u = (u); _u ? log_object_internal(5, 0, "../src/core/unit.c" , 1705, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Bound to unit %s, but unit isn't active.", other->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((5))) , 0, "../src/core/unit.c", 1705, __func__, "Bound to unit %s, but unit isn't active." , other->id); }); | |||
| 1706 | return false0; | |||
| 1707 | } | |||
| 1708 | } | |||
| 1709 | ||||
| 1710 | return true1; | |||
| 1711 | } | |||
| 1712 | ||||
| 1713 | /* Errors: | |||
| 1714 | * -EBADR: This unit type does not support starting. | |||
| 1715 | * -EALREADY: Unit is already started. | |||
| 1716 | * -EAGAIN: An operation is already in progress. Retry later. | |||
| 1717 | * -ECANCELED: Too many requests for now. | |||
| 1718 | * -EPROTO: Assert failed | |||
| 1719 | * -EINVAL: Unit not loaded | |||
| 1720 | * -EOPNOTSUPP: Unit type not supported | |||
| 1721 | * -ENOLINK: The necessary dependencies are not fulfilled. | |||
| 1722 | * -ESTALE: This unit has been started before and can't be started a second time | |||
| 1723 | */ | |||
| 1724 | int unit_start(Unit *u) { | |||
| 1725 | UnitActiveState state; | |||
| 1726 | Unit *following; | |||
| 1727 | ||||
| 1728 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1728, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1729 | ||||
| 1730 | /* If this is already started, then this will succeed. Note | |||
| 1731 | * that this will even succeed if this unit is not startable | |||
| 1732 | * by the user. This is relied on to detect when we need to | |||
| 1733 | * wait for units and when waiting is finished. */ | |||
| 1734 | state = unit_active_state(u); | |||
| 1735 | if (UNIT_IS_ACTIVE_OR_RELOADING(state)) | |||
| 1736 | return -EALREADY114; | |||
| 1737 | ||||
| 1738 | /* Units that aren't loaded cannot be started */ | |||
| 1739 | if (u->load_state != UNIT_LOADED) | |||
| 1740 | return -EINVAL22; | |||
| 1741 | ||||
| 1742 | /* Refuse starting scope units more than once */ | |||
| 1743 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->once_only && dual_timestamp_is_set(&u->inactive_enter_timestamp)) | |||
| 1744 | return -ESTALE116; | |||
| 1745 | ||||
| 1746 | /* If the conditions failed, don't do anything at all. If we | |||
| 1747 | * already are activating this call might still be useful to | |||
| 1748 | * speed up activation in case there is some hold-off time, | |||
| 1749 | * but we don't want to recheck the condition in that case. */ | |||
| 1750 | if (state != UNIT_ACTIVATING && | |||
| 1751 | !unit_condition_test(u)) { | |||
| 1752 | log_unit_debug(u, "Starting requested but condition failed. Not starting unit.")({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1752, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Starting requested but condition failed. Not starting unit." ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7 ))), 0, "../src/core/unit.c", 1752, __func__, "Starting requested but condition failed. Not starting unit." ); }); | |||
| 1753 | return -EALREADY114; | |||
| 1754 | } | |||
| 1755 | ||||
| 1756 | /* If the asserts failed, fail the entire job */ | |||
| 1757 | if (state != UNIT_ACTIVATING && | |||
| 1758 | !unit_assert_test(u)) { | |||
| 1759 | log_unit_notice(u, "Starting requested but asserts failed.")({ const Unit *_u = (u); _u ? log_object_internal(5, 0, "../src/core/unit.c" , 1759, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Starting requested but asserts failed.") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((5))), 0, "../src/core/unit.c" , 1759, __func__, "Starting requested but asserts failed."); } ); | |||
| 1760 | return -EPROTO71; | |||
| 1761 | } | |||
| 1762 | ||||
| 1763 | /* Units of types that aren't supported cannot be | |||
| 1764 | * started. Note that we do this test only after the condition | |||
| 1765 | * checks, so that we rather return condition check errors | |||
| 1766 | * (which are usually not considered a true failure) than "not | |||
| 1767 | * supported" errors (which are considered a failure). | |||
| 1768 | */ | |||
| 1769 | if (!unit_supported(u)) | |||
| 1770 | return -EOPNOTSUPP95; | |||
| 1771 | ||||
| 1772 | /* Let's make sure that the deps really are in order before we start this. Normally the job engine should have | |||
| 1773 | * taken care of this already, but let's check this here again. After all, our dependencies might not be in | |||
| 1774 | * effect anymore, due to a reload or due to a failed condition. */ | |||
| 1775 | if (!unit_verify_deps(u)) | |||
| 1776 | return -ENOLINK67; | |||
| 1777 | ||||
| 1778 | /* Forward to the main object, if we aren't it. */ | |||
| 1779 | following = unit_following(u); | |||
| 1780 | if (following) { | |||
| 1781 | log_unit_debug(u, "Redirecting start request from %s to %s.", u->id, following->id)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1781, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Redirecting start request from %s to %s.", u->id, following ->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1781, __func__, "Redirecting start request from %s to %s." , u->id, following->id); }); | |||
| 1782 | return unit_start(following); | |||
| 1783 | } | |||
| 1784 | ||||
| 1785 | /* If it is stopped, but we cannot start it, then fail */ | |||
| 1786 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->start) | |||
| 1787 | return -EBADR53; | |||
| 1788 | ||||
| 1789 | /* We don't suppress calls to ->start() here when we are | |||
| 1790 | * already starting, to allow this request to be used as a | |||
| 1791 | * "hurry up" call, for example when the unit is in some "auto | |||
| 1792 | * restart" state where it waits for a holdoff timer to elapse | |||
| 1793 | * before it will start again. */ | |||
| 1794 | ||||
| 1795 | unit_add_to_dbus_queue(u); | |||
| 1796 | unit_cgroup_freezer_action(u, FREEZER_THAW); | |||
| 1797 | ||||
| 1798 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->start(u); | |||
| 1799 | } | |||
| 1800 | ||||
| 1801 | bool_Bool unit_can_start(Unit *u) { | |||
| 1802 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1802, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1803 | ||||
| 1804 | if (u->load_state != UNIT_LOADED) | |||
| 1805 | return false0; | |||
| 1806 | ||||
| 1807 | if (!unit_supported(u)) | |||
| 1808 | return false0; | |||
| 1809 | ||||
| 1810 | /* Scope units may be started only once */ | |||
| 1811 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->once_only && dual_timestamp_is_set(&u->inactive_exit_timestamp)) | |||
| 1812 | return false0; | |||
| 1813 | ||||
| 1814 | return !!UNIT_VTABLE(u)unit_vtable[(u)->type]->start; | |||
| 1815 | } | |||
| 1816 | ||||
| 1817 | bool_Bool unit_can_isolate(Unit *u) { | |||
| 1818 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1818, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1819 | ||||
| 1820 | return unit_can_start(u) && | |||
| 1821 | u->allow_isolate; | |||
| 1822 | } | |||
| 1823 | ||||
| 1824 | /* Errors: | |||
| 1825 | * -EBADR: This unit type does not support stopping. | |||
| 1826 | * -EALREADY: Unit is already stopped. | |||
| 1827 | * -EAGAIN: An operation is already in progress. Retry later. | |||
| 1828 | */ | |||
| 1829 | int unit_stop(Unit *u) { | |||
| 1830 | UnitActiveState state; | |||
| 1831 | Unit *following; | |||
| 1832 | ||||
| 1833 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1833, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1834 | ||||
| 1835 | state = unit_active_state(u); | |||
| 1836 | if (UNIT_IS_INACTIVE_OR_FAILED(state)) | |||
| 1837 | return -EALREADY114; | |||
| 1838 | ||||
| 1839 | following = unit_following(u); | |||
| 1840 | if (following) { | |||
| 1841 | log_unit_debug(u, "Redirecting stop request from %s to %s.", u->id, following->id)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1841, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Redirecting stop request from %s to %s.", u->id, following ->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1841, __func__, "Redirecting stop request from %s to %s." , u->id, following->id); }); | |||
| 1842 | return unit_stop(following); | |||
| 1843 | } | |||
| 1844 | ||||
| 1845 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->stop) | |||
| 1846 | return -EBADR53; | |||
| 1847 | ||||
| 1848 | unit_add_to_dbus_queue(u); | |||
| 1849 | unit_cgroup_freezer_action(u, FREEZER_THAW); | |||
| 1850 | ||||
| 1851 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->stop(u); | |||
| 1852 | } | |||
| 1853 | ||||
| 1854 | bool_Bool unit_can_stop(Unit *u) { | |||
| 1855 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1855, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1856 | ||||
| 1857 | if (!unit_supported(u)) | |||
| 1858 | return false0; | |||
| 1859 | ||||
| 1860 | if (u->perpetual) | |||
| 1861 | return false0; | |||
| 1862 | ||||
| 1863 | return !!UNIT_VTABLE(u)unit_vtable[(u)->type]->stop; | |||
| 1864 | } | |||
| 1865 | ||||
| 1866 | /* Errors: | |||
| 1867 | * -EBADR: This unit type does not support reloading. | |||
| 1868 | * -ENOEXEC: Unit is not started. | |||
| 1869 | * -EAGAIN: An operation is already in progress. Retry later. | |||
| 1870 | */ | |||
| 1871 | int unit_reload(Unit *u) { | |||
| 1872 | UnitActiveState state; | |||
| 1873 | Unit *following; | |||
| 1874 | ||||
| 1875 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1875, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1876 | ||||
| 1877 | if (u->load_state != UNIT_LOADED) | |||
| 1878 | return -EINVAL22; | |||
| 1879 | ||||
| 1880 | if (!unit_can_reload(u)) | |||
| 1881 | return -EBADR53; | |||
| 1882 | ||||
| 1883 | state = unit_active_state(u); | |||
| 1884 | if (state == UNIT_RELOADING) | |||
| 1885 | return -EALREADY114; | |||
| 1886 | ||||
| 1887 | if (state != UNIT_ACTIVE) { | |||
| 1888 | log_unit_warning(u, "Unit cannot be reloaded because it is inactive.")({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 1888, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Unit cannot be reloaded because it is inactive.") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c" , 1888, __func__, "Unit cannot be reloaded because it is inactive." ); }); | |||
| 1889 | return -ENOEXEC8; | |||
| 1890 | } | |||
| 1891 | ||||
| 1892 | following = unit_following(u); | |||
| 1893 | if (following) { | |||
| 1894 | log_unit_debug(u, "Redirecting reload request from %s to %s.", u->id, following->id)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 1894, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Redirecting reload request from %s to %s.", u->id, following ->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 1894, __func__, "Redirecting reload request from %s to %s." , u->id, following->id); }); | |||
| 1895 | return unit_reload(following); | |||
| 1896 | } | |||
| 1897 | ||||
| 1898 | unit_add_to_dbus_queue(u); | |||
| 1899 | ||||
| 1900 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->reload) { | |||
| 1901 | /* Unit doesn't have a reload function, but we need to propagate the reload anyway */ | |||
| 1902 | unit_notify(u, unit_active_state(u), unit_active_state(u), 0); | |||
| 1903 | return 0; | |||
| 1904 | } | |||
| 1905 | ||||
| 1906 | unit_cgroup_freezer_action(u, FREEZER_THAW); | |||
| 1907 | ||||
| 1908 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->reload(u); | |||
| 1909 | } | |||
| 1910 | ||||
| 1911 | bool_Bool unit_can_reload(Unit *u) { | |||
| 1912 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1912, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1913 | ||||
| 1914 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->can_reload) | |||
| 1915 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->can_reload(u); | |||
| 1916 | ||||
| 1917 | if (!hashmap_isempty(u->dependencies[UNIT_PROPAGATES_RELOAD_TO])) | |||
| 1918 | return true1; | |||
| 1919 | ||||
| 1920 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->reload; | |||
| 1921 | } | |||
| 1922 | ||||
| 1923 | bool_Bool unit_is_unneeded(Unit *u) { | |||
| 1924 | static const UnitDependency deps[] = { | |||
| 1925 | UNIT_REQUIRED_BY, | |||
| 1926 | UNIT_REQUISITE_OF, | |||
| 1927 | UNIT_WANTED_BY, | |||
| 1928 | UNIT_BOUND_BY, | |||
| 1929 | }; | |||
| 1930 | size_t j; | |||
| 1931 | ||||
| 1932 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1932, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1933 | ||||
| 1934 | if (!u->stop_when_unneeded) | |||
| 1935 | return false0; | |||
| 1936 | ||||
| 1937 | /* Don't clean up while the unit is transitioning or is even inactive. */ | |||
| 1938 | if (!UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) | |||
| 1939 | return false0; | |||
| 1940 | if (u->job) | |||
| 1941 | return false0; | |||
| 1942 | ||||
| 1943 | for (j = 0; j < ELEMENTSOF(deps)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(deps), typeof(&*(deps))), sizeof(deps)/sizeof((deps )[0]), ((void)0))); j++) { | |||
| 1944 | Unit *other; | |||
| 1945 | Iterator i; | |||
| 1946 | void *v; | |||
| 1947 | ||||
| 1948 | /* If a dependending unit has a job queued, or is active (or in transitioning), or is marked for | |||
| 1949 | * restart, then don't clean this one up. */ | |||
| 1950 | ||||
| 1951 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[deps[j]], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [deps[j]]), &(i), (void**)&(v), (const void**) &( other)); ) { | |||
| 1952 | if (u->job) | |||
| 1953 | return false0; | |||
| 1954 | ||||
| 1955 | if (!UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other))) | |||
| 1956 | return false0; | |||
| 1957 | ||||
| 1958 | if (unit_will_restart(other)) | |||
| 1959 | return false0; | |||
| 1960 | } | |||
| 1961 | } | |||
| 1962 | ||||
| 1963 | return true1; | |||
| 1964 | } | |||
| 1965 | ||||
| 1966 | static void check_unneeded_dependencies(Unit *u) { | |||
| 1967 | ||||
| 1968 | static const UnitDependency deps[] = { | |||
| 1969 | UNIT_REQUIRES, | |||
| 1970 | UNIT_REQUISITE, | |||
| 1971 | UNIT_WANTS, | |||
| 1972 | UNIT_BINDS_TO, | |||
| 1973 | }; | |||
| 1974 | size_t j; | |||
| 1975 | ||||
| 1976 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1976, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1977 | ||||
| 1978 | /* Add all units this unit depends on to the queue that processes StopWhenUnneeded= behaviour. */ | |||
| 1979 | ||||
| 1980 | for (j = 0; j < ELEMENTSOF(deps)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(deps), typeof(&*(deps))), sizeof(deps)/sizeof((deps )[0]), ((void)0))); j++) { | |||
| 1981 | Unit *other; | |||
| 1982 | Iterator i; | |||
| 1983 | void *v; | |||
| 1984 | ||||
| 1985 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[deps[j]], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [deps[j]]), &(i), (void**)&(v), (const void**) &( other)); ) | |||
| 1986 | unit_add_to_stop_when_unneeded_queue(other); | |||
| 1987 | } | |||
| 1988 | } | |||
| 1989 | ||||
| 1990 | static void unit_check_binds_to(Unit *u) { | |||
| 1991 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 1992 | bool_Bool stop = false0; | |||
| 1993 | Unit *other; | |||
| 1994 | Iterator i; | |||
| 1995 | void *v; | |||
| 1996 | int r; | |||
| 1997 | ||||
| 1998 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 1998, __PRETTY_FUNCTION__ ); } while (0); | |||
| 1999 | ||||
| 2000 | if (u->job) | |||
| 2001 | return; | |||
| 2002 | ||||
| 2003 | if (unit_active_state(u) != UNIT_ACTIVE) | |||
| 2004 | return; | |||
| 2005 | ||||
| 2006 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_BINDS_TO], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_BINDS_TO]), &(i), (void**)&(v), (const void**) & (other)); ) { | |||
| 2007 | if (other->job) | |||
| 2008 | continue; | |||
| 2009 | ||||
| 2010 | if (!other->coldplugged) | |||
| 2011 | /* We might yet create a job for the other unit… */ | |||
| 2012 | continue; | |||
| 2013 | ||||
| 2014 | if (!UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other))) | |||
| 2015 | continue; | |||
| 2016 | ||||
| 2017 | stop = true1; | |||
| 2018 | break; | |||
| 2019 | } | |||
| 2020 | ||||
| 2021 | if (!stop) | |||
| 2022 | return; | |||
| 2023 | ||||
| 2024 | /* If stopping a unit fails continuously we might enter a stop | |||
| 2025 | * loop here, hence stop acting on the service being | |||
| 2026 | * unnecessary after a while. */ | |||
| 2027 | if (!ratelimit_below(&u->auto_stop_ratelimit)) { | |||
| 2028 | log_unit_warning(u, "Unit is bound to inactive unit %s, but not stopping since we tried this too often recently.", other->id)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 2028, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Unit is bound to inactive unit %s, but not stopping since we tried this too often recently." , other->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 2028, __func__, "Unit is bound to inactive unit %s, but not stopping since we tried this too often recently." , other->id); }); | |||
| 2029 | return; | |||
| 2030 | } | |||
| 2031 | ||||
| 2032 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 2032, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2033 | log_unit_info(u, "Unit is bound to inactive unit %s. Stopping, too.", other->id)({ const Unit *_u = (u); _u ? log_object_internal(6, 0, "../src/core/unit.c" , 2033, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Unit is bound to inactive unit %s. Stopping, too.", other-> id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (6))), 0, "../src/core/unit.c", 2033, __func__, "Unit is bound to inactive unit %s. Stopping, too." , other->id); }); | |||
| 2034 | ||||
| 2035 | /* A unit we need to run is gone. Sniff. Let's stop this. */ | |||
| 2036 | r = manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, NULL((void*)0), &error, NULL((void*)0)); | |||
| 2037 | if (r < 0) | |||
| 2038 | log_unit_warning_errno(u, r, "Failed to enqueue stop job, ignoring: %s", bus_error_message(&error, r))({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 2038, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to enqueue stop job, ignoring: %s", bus_error_message (&error, r)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), r, "../src/core/unit.c", 2038, __func__, "Failed to enqueue stop job, ignoring: %s" , bus_error_message(&error, r)); }); | |||
| 2039 | } | |||
| 2040 | ||||
| 2041 | static void retroactively_start_dependencies(Unit *u) { | |||
| 2042 | Iterator i; | |||
| 2043 | Unit *other; | |||
| 2044 | void *v; | |||
| 2045 | ||||
| 2046 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2046, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2047 | assert(UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)))do { if ((__builtin_expect(!!(!(UNIT_IS_ACTIVE_OR_ACTIVATING( unit_active_state(u)))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))"), "../src/core/unit.c" , 2047, __PRETTY_FUNCTION__); } while (0); | |||
| 2048 | ||||
| 2049 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_REQUIRES], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_REQUIRES]), &(i), (void**)&(v), (const void**) & (other)); ) | |||
| 2050 | if (!hashmap_get(u->dependencies[UNIT_AFTER], other) && | |||
| 2051 | !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other))) | |||
| 2052 | manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 2053 | ||||
| 2054 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_BINDS_TO], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_BINDS_TO]), &(i), (void**)&(v), (const void**) & (other)); ) | |||
| 2055 | if (!hashmap_get(u->dependencies[UNIT_AFTER], other) && | |||
| 2056 | !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other))) | |||
| 2057 | manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 2058 | ||||
| 2059 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_WANTS], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_WANTS]), &(i), (void**)&(v), (const void**) & (other)); ) | |||
| 2060 | if (!hashmap_get(u->dependencies[UNIT_AFTER], other) && | |||
| 2061 | !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other))) | |||
| 2062 | manager_add_job(u->manager, JOB_START, other, JOB_FAIL, NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 2063 | ||||
| 2064 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_CONFLICTS], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_CONFLICTS]), &(i), (void**)&(v), (const void**) &(other)); ) | |||
| 2065 | if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) | |||
| 2066 | manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 2067 | ||||
| 2068 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_CONFLICTED_BY], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_CONFLICTED_BY]), &(i), (void**)&(v), (const void **) &(other)); ) | |||
| 2069 | if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) | |||
| 2070 | manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 2071 | } | |||
| 2072 | ||||
| 2073 | static void retroactively_stop_dependencies(Unit *u) { | |||
| 2074 | Unit *other; | |||
| 2075 | Iterator i; | |||
| 2076 | void *v; | |||
| 2077 | ||||
| 2078 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2078, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2079 | assert(UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u)))do { if ((__builtin_expect(!!(!(UNIT_IS_INACTIVE_OR_DEACTIVATING (unit_active_state(u)))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u))"), "../src/core/unit.c", 2079, __PRETTY_FUNCTION__); } while (0 ); | |||
| 2080 | ||||
| 2081 | /* Pull down units which are bound to us recursively if enabled */ | |||
| 2082 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_BOUND_BY], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_BOUND_BY]), &(i), (void**)&(v), (const void**) & (other)); ) | |||
| 2083 | if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other))) | |||
| 2084 | manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL((void*)0), NULL((void*)0), NULL((void*)0)); | |||
| 2085 | } | |||
| 2086 | ||||
| 2087 | void unit_start_on_failure(Unit *u) { | |||
| 2088 | Unit *other; | |||
| 2089 | Iterator i; | |||
| 2090 | void *v; | |||
| 2091 | int r; | |||
| 2092 | ||||
| 2093 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2093, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2094 | ||||
| 2095 | if (hashmap_size(u->dependencies[UNIT_ON_FAILURE]) <= 0) | |||
| 2096 | return; | |||
| 2097 | ||||
| 2098 | log_unit_info(u, "Triggering OnFailure= dependencies.")({ const Unit *_u = (u); _u ? log_object_internal(6, 0, "../src/core/unit.c" , 2098, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Triggering OnFailure= dependencies.") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((6))), 0, "../src/core/unit.c" , 2098, __func__, "Triggering OnFailure= dependencies."); }); | |||
| 2099 | ||||
| 2100 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_ON_FAILURE], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_ON_FAILURE]), &(i), (void**)&(v), (const void** ) &(other)); ) { | |||
| 2101 | _cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void*)0)), (((void*)0)), 0}); | |||
| 2102 | ||||
| 2103 | r = manager_add_job(u->manager, JOB_START, other, u->on_failure_job_mode, NULL((void*)0), &error, NULL((void*)0)); | |||
| 2104 | if (r < 0) | |||
| 2105 | log_unit_warning_errno(u, r, "Failed to enqueue OnFailure= job, ignoring: %s", bus_error_message(&error, r))({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 2105, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to enqueue OnFailure= job, ignoring: %s", bus_error_message (&error, r)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), r, "../src/core/unit.c", 2105, __func__, "Failed to enqueue OnFailure= job, ignoring: %s" , bus_error_message(&error, r)); }); | |||
| 2106 | } | |||
| 2107 | } | |||
| 2108 | ||||
| 2109 | void unit_trigger_notify(Unit *u) { | |||
| 2110 | Unit *other; | |||
| 2111 | Iterator i; | |||
| 2112 | void *v; | |||
| 2113 | ||||
| 2114 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2114, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2115 | ||||
| 2116 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_TRIGGERED_BY], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_TRIGGERED_BY]), &(i), (void**)&(v), (const void **) &(other)); ) | |||
| 2117 | if (UNIT_VTABLE(other)unit_vtable[(other)->type]->trigger_notify) | |||
| 2118 | UNIT_VTABLE(other)unit_vtable[(other)->type]->trigger_notify(other, u); | |||
| 2119 | } | |||
| 2120 | ||||
| 2121 | static int unit_log_resources(Unit *u) { | |||
| 2122 | ||||
| 2123 | struct iovec iovec[1 + _CGROUP_IP_ACCOUNTING_METRIC_MAX + 4]; | |||
| 2124 | size_t n_message_parts = 0, n_iovec = 0; | |||
| 2125 | char* message_parts[3 + 1], *t; | |||
| 2126 | nsec_t nsec = NSEC_INFINITY((nsec_t) -1); | |||
| 2127 | CGroupIPAccountingMetric m; | |||
| 2128 | size_t i; | |||
| 2129 | int r; | |||
| 2130 | const char* const ip_fields[_CGROUP_IP_ACCOUNTING_METRIC_MAX] = { | |||
| 2131 | [CGROUP_IP_INGRESS_BYTES] = "IP_METRIC_INGRESS_BYTES", | |||
| 2132 | [CGROUP_IP_INGRESS_PACKETS] = "IP_METRIC_INGRESS_PACKETS", | |||
| 2133 | [CGROUP_IP_EGRESS_BYTES] = "IP_METRIC_EGRESS_BYTES", | |||
| 2134 | [CGROUP_IP_EGRESS_PACKETS] = "IP_METRIC_EGRESS_PACKETS", | |||
| 2135 | }; | |||
| 2136 | ||||
| 2137 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2137, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2138 | ||||
| 2139 | /* Invoked whenever a unit enters failed or dead state. Logs information about consumed resources if resource | |||
| 2140 | * accounting was enabled for a unit. It does this in two ways: a friendly human readable string with reduced | |||
| 2141 | * information and the complete data in structured fields. */ | |||
| 2142 | ||||
| 2143 | (void) unit_get_cpu_usage(u, &nsec); | |||
| 2144 | if (nsec != NSEC_INFINITY((nsec_t) -1)) { | |||
| 2145 | char buf[FORMAT_TIMESPAN_MAX64] = ""; | |||
| 2146 | ||||
| 2147 | /* Format the CPU time for inclusion in the structured log message */ | |||
| 2148 | if (asprintf(&t, "CPU_USAGE_NSEC=%" PRIu64"l" "u", nsec) < 0) { | |||
| 2149 | r = log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 2149 , __func__); | |||
| 2150 | goto finish; | |||
| 2151 | } | |||
| 2152 | iovec[n_iovec++] = IOVEC_MAKE_STRING(t)(struct iovec) { .iov_base = ((char*) t), .iov_len = (strlen( t)) }; | |||
| 2153 | ||||
| 2154 | /* Format the CPU time for inclusion in the human language message string */ | |||
| 2155 | format_timespan(buf, sizeof(buf), nsec / NSEC_PER_USEC((nsec_t) 1000ULL), USEC_PER_MSEC((usec_t) 1000ULL)); | |||
| 2156 | t = strjoin(n_message_parts > 0 ? "consumed " : "Consumed ", buf, " CPU time")strjoin_real((n_message_parts > 0 ? "consumed " : "Consumed " ), buf, " CPU time", ((void*)0)); | |||
| 2157 | if (!t) { | |||
| 2158 | r = log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 2158 , __func__); | |||
| 2159 | goto finish; | |||
| 2160 | } | |||
| 2161 | ||||
| 2162 | message_parts[n_message_parts++] = t; | |||
| 2163 | } | |||
| 2164 | ||||
| 2165 | for (m = 0; m < _CGROUP_IP_ACCOUNTING_METRIC_MAX; m++) { | |||
| 2166 | char buf[FORMAT_BYTES_MAX8] = ""; | |||
| 2167 | uint64_t value = UINT64_MAX(18446744073709551615UL); | |||
| 2168 | ||||
| 2169 | assert(ip_fields[m])do { if ((__builtin_expect(!!(!(ip_fields[m])),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ip_fields[m]"), "../src/core/unit.c", 2169 , __PRETTY_FUNCTION__); } while (0); | |||
| 2170 | ||||
| 2171 | (void) unit_get_ip_accounting(u, m, &value); | |||
| 2172 | if (value == UINT64_MAX(18446744073709551615UL)) | |||
| 2173 | continue; | |||
| 2174 | ||||
| 2175 | /* Format IP accounting data for inclusion in the structured log message */ | |||
| 2176 | if (asprintf(&t, "%s=%" PRIu64"l" "u", ip_fields[m], value) < 0) { | |||
| 2177 | r = log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 2177 , __func__); | |||
| 2178 | goto finish; | |||
| 2179 | } | |||
| 2180 | iovec[n_iovec++] = IOVEC_MAKE_STRING(t)(struct iovec) { .iov_base = ((char*) t), .iov_len = (strlen( t)) }; | |||
| 2181 | ||||
| 2182 | /* Format the IP accounting data for inclusion in the human language message string, but only for the | |||
| 2183 | * bytes counters (and not for the packets counters) */ | |||
| 2184 | if (m == CGROUP_IP_INGRESS_BYTES) | |||
| 2185 | t = strjoin(n_message_parts > 0 ? "received " : "Received ",strjoin_real((n_message_parts > 0 ? "received " : "Received " ), format_bytes(buf, sizeof(buf), value), " IP traffic", ((void *)0)) | |||
| 2186 | format_bytes(buf, sizeof(buf), value),strjoin_real((n_message_parts > 0 ? "received " : "Received " ), format_bytes(buf, sizeof(buf), value), " IP traffic", ((void *)0)) | |||
| 2187 | " IP traffic")strjoin_real((n_message_parts > 0 ? "received " : "Received " ), format_bytes(buf, sizeof(buf), value), " IP traffic", ((void *)0)); | |||
| 2188 | else if (m == CGROUP_IP_EGRESS_BYTES) | |||
| 2189 | t = strjoin(n_message_parts > 0 ? "sent " : "Sent ",strjoin_real((n_message_parts > 0 ? "sent " : "Sent "), format_bytes (buf, sizeof(buf), value), " IP traffic", ((void*)0)) | |||
| 2190 | format_bytes(buf, sizeof(buf), value),strjoin_real((n_message_parts > 0 ? "sent " : "Sent "), format_bytes (buf, sizeof(buf), value), " IP traffic", ((void*)0)) | |||
| 2191 | " IP traffic")strjoin_real((n_message_parts > 0 ? "sent " : "Sent "), format_bytes (buf, sizeof(buf), value), " IP traffic", ((void*)0)); | |||
| 2192 | else | |||
| 2193 | continue; | |||
| 2194 | if (!t) { | |||
| 2195 | r = log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 2195 , __func__); | |||
| 2196 | goto finish; | |||
| 2197 | } | |||
| 2198 | ||||
| 2199 | message_parts[n_message_parts++] = t; | |||
| 2200 | } | |||
| 2201 | ||||
| 2202 | /* Is there any accounting data available at all? */ | |||
| 2203 | if (n_iovec == 0) { | |||
| 2204 | r = 0; | |||
| 2205 | goto finish; | |||
| 2206 | } | |||
| 2207 | ||||
| 2208 | if (n_message_parts == 0) | |||
| 2209 | t = strjoina("MESSAGE=", u->id, ": Completed")({ const char *_appendees_[] = { "MESSAGE=", u->id, ": Completed" }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 2210 | else { | |||
| 2211 | _cleanup_free___attribute__((cleanup(freep))) char *joined; | |||
| 2212 | ||||
| 2213 | message_parts[n_message_parts] = NULL((void*)0); | |||
| 2214 | ||||
| 2215 | joined = strv_join(message_parts, ", "); | |||
| 2216 | if (!joined) { | |||
| 2217 | r = log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 2217 , __func__); | |||
| 2218 | goto finish; | |||
| 2219 | } | |||
| 2220 | ||||
| 2221 | t = strjoina("MESSAGE=", u->id, ": ", joined)({ const char *_appendees_[] = { "MESSAGE=", u->id, ": ", joined }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 2222 | } | |||
| 2223 | ||||
| 2224 | /* The following four fields we allocate on the stack or are static strings, we hence don't want to free them, | |||
| 2225 | * and hence don't increase n_iovec for them */ | |||
| 2226 | iovec[n_iovec] = IOVEC_MAKE_STRING(t)(struct iovec) { .iov_base = ((char*) t), .iov_len = (strlen( t)) }; | |||
| 2227 | iovec[n_iovec + 1] = IOVEC_MAKE_STRING("MESSAGE_ID=" SD_MESSAGE_UNIT_RESOURCES_STR)(struct iovec) { .iov_base = ((char*) "MESSAGE_ID=" "ae" "8f" "7b" "86" "6b" "03" "47" "b9" "af" "31" "fe" "1c" "80" "b1" "27" "c0"), .iov_len = (strlen("MESSAGE_ID=" "ae" "8f" "7b" "86" "6b" "03" "47" "b9" "af" "31" "fe" "1c" "80" "b1" "27" "c0")) }; | |||
| 2228 | ||||
| 2229 | t = strjoina(u->manager->unit_log_field, u->id)({ const char *_appendees_[] = { u->manager->unit_log_field , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 2230 | iovec[n_iovec + 2] = IOVEC_MAKE_STRING(t)(struct iovec) { .iov_base = ((char*) t), .iov_len = (strlen( t)) }; | |||
| 2231 | ||||
| 2232 | t = strjoina(u->manager->invocation_log_field, u->invocation_id_string)({ const char *_appendees_[] = { u->manager->invocation_log_field , u->invocation_id_string }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _len_ += strlen (_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 2233 | iovec[n_iovec + 3] = IOVEC_MAKE_STRING(t)(struct iovec) { .iov_base = ((char*) t), .iov_len = (strlen( t)) }; | |||
| 2234 | ||||
| 2235 | log_struct_iovec(LOG_INFO, iovec, n_iovec + 4)log_struct_iovec_internal(((LOG_REALM_SYSTEMD) << 10 | ( 6)), 0, "../src/core/unit.c", 2235, __func__, iovec, n_iovec + 4); | |||
| 2236 | r = 0; | |||
| 2237 | ||||
| 2238 | finish: | |||
| 2239 | for (i = 0; i < n_message_parts; i++) | |||
| 2240 | free(message_parts[i]); | |||
| 2241 | ||||
| 2242 | for (i = 0; i < n_iovec; i++) | |||
| 2243 | free(iovec[i].iov_base); | |||
| 2244 | ||||
| 2245 | return r; | |||
| 2246 | ||||
| 2247 | } | |||
| 2248 | ||||
| 2249 | static void unit_update_on_console(Unit *u) { | |||
| 2250 | bool_Bool b; | |||
| 2251 | ||||
| 2252 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2252, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2253 | ||||
| 2254 | b = unit_needs_console(u); | |||
| 2255 | if (u->on_console == b) | |||
| 2256 | return; | |||
| 2257 | ||||
| 2258 | u->on_console = b; | |||
| 2259 | if (b) | |||
| 2260 | manager_ref_console(u->manager); | |||
| 2261 | else | |||
| 2262 | manager_unref_console(u->manager); | |||
| 2263 | } | |||
| 2264 | ||||
| 2265 | static bool_Bool unit_process_job(Job *j, UnitActiveState ns, UnitNotifyFlags flags) { | |||
| 2266 | bool_Bool unexpected = false0; | |||
| 2267 | JobResult result; | |||
| 2268 | ||||
| 2269 | assert(j)do { if ((__builtin_expect(!!(!(j)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("j"), "../src/core/unit.c", 2269, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2270 | ||||
| 2271 | if (j->state == JOB_WAITING) | |||
| 2272 | ||||
| 2273 | /* So we reached a different state for this job. Let's see if we can run it now if it failed previously | |||
| 2274 | * due to EAGAIN. */ | |||
| 2275 | job_add_to_run_queue(j); | |||
| 2276 | ||||
| 2277 | /* Let's check whether the unit's new state constitutes a finished job, or maybe contradicts a running job and | |||
| 2278 | * hence needs to invalidate jobs. */ | |||
| 2279 | ||||
| 2280 | switch (j->type) { | |||
| 2281 | ||||
| 2282 | case JOB_START: | |||
| 2283 | case JOB_VERIFY_ACTIVE: | |||
| 2284 | ||||
| 2285 | if (UNIT_IS_ACTIVE_OR_RELOADING(ns)) | |||
| 2286 | job_finish_and_invalidate(j, JOB_DONE, true1, false0); | |||
| 2287 | else if (j->state == JOB_RUNNING && ns != UNIT_ACTIVATING) { | |||
| 2288 | unexpected = true1; | |||
| 2289 | ||||
| 2290 | if (UNIT_IS_INACTIVE_OR_FAILED(ns)) { | |||
| 2291 | if (ns == UNIT_FAILED) | |||
| 2292 | result = JOB_FAILED; | |||
| 2293 | else if (FLAGS_SET(flags, UNIT_NOTIFY_SKIP_CONDITION)(((flags) & (UNIT_NOTIFY_SKIP_CONDITION)) == (UNIT_NOTIFY_SKIP_CONDITION ))) | |||
| 2294 | result = JOB_SKIPPED; | |||
| 2295 | else | |||
| 2296 | result = JOB_DONE; | |||
| 2297 | ||||
| 2298 | job_finish_and_invalidate(j, result, true1, false0); | |||
| 2299 | } | |||
| 2300 | } | |||
| 2301 | ||||
| 2302 | break; | |||
| 2303 | ||||
| 2304 | case JOB_RELOAD: | |||
| 2305 | case JOB_RELOAD_OR_START: | |||
| 2306 | case JOB_TRY_RELOAD: | |||
| 2307 | ||||
| 2308 | if (j->state == JOB_RUNNING) { | |||
| 2309 | if (ns == UNIT_ACTIVE) | |||
| 2310 | job_finish_and_invalidate(j, (flags & UNIT_NOTIFY_RELOAD_FAILURE) ? JOB_FAILED : JOB_DONE, true1, false0); | |||
| 2311 | else if (!IN_SET(ns, UNIT_ACTIVATING, UNIT_RELOADING)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){UNIT_ACTIVATING, UNIT_RELOADING})/sizeof (int)]; switch(ns) { case UNIT_ACTIVATING: case UNIT_RELOADING : _found = 1; break; default: break; } _found; })) { | |||
| 2312 | unexpected = true1; | |||
| 2313 | ||||
| 2314 | if (UNIT_IS_INACTIVE_OR_FAILED(ns)) | |||
| 2315 | job_finish_and_invalidate(j, ns == UNIT_FAILED ? JOB_FAILED : JOB_DONE, true1, false0); | |||
| 2316 | } | |||
| 2317 | } | |||
| 2318 | ||||
| 2319 | break; | |||
| 2320 | ||||
| 2321 | case JOB_STOP: | |||
| 2322 | case JOB_RESTART: | |||
| 2323 | case JOB_TRY_RESTART: | |||
| 2324 | ||||
| 2325 | if (UNIT_IS_INACTIVE_OR_FAILED(ns)) | |||
| 2326 | job_finish_and_invalidate(j, JOB_DONE, true1, false0); | |||
| 2327 | else if (j->state == JOB_RUNNING && ns != UNIT_DEACTIVATING) { | |||
| 2328 | unexpected = true1; | |||
| 2329 | job_finish_and_invalidate(j, JOB_FAILED, true1, false0); | |||
| 2330 | } | |||
| 2331 | ||||
| 2332 | break; | |||
| 2333 | ||||
| 2334 | default: | |||
| 2335 | assert_not_reached("Job type unknown")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Job type unknown"), "../src/core/unit.c", 2335, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2336 | } | |||
| 2337 | ||||
| 2338 | return unexpected; | |||
| 2339 | } | |||
| 2340 | ||||
| 2341 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, UnitNotifyFlags flags) { | |||
| 2342 | bool_Bool unexpected; | |||
| 2343 | Manager *m; | |||
| 2344 | ||||
| 2345 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2345, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2346 | assert(os < _UNIT_ACTIVE_STATE_MAX)do { if ((__builtin_expect(!!(!(os < _UNIT_ACTIVE_STATE_MAX )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("os < _UNIT_ACTIVE_STATE_MAX" ), "../src/core/unit.c", 2346, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2347 | assert(ns < _UNIT_ACTIVE_STATE_MAX)do { if ((__builtin_expect(!!(!(ns < _UNIT_ACTIVE_STATE_MAX )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("ns < _UNIT_ACTIVE_STATE_MAX" ), "../src/core/unit.c", 2347, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2348 | ||||
| 2349 | /* Note that this is called for all low-level state changes, even if they might map to the same high-level | |||
| 2350 | * UnitActiveState! That means that ns == os is an expected behavior here. For example: if a mount point is | |||
| 2351 | * remounted this function will be called too! */ | |||
| 2352 | ||||
| 2353 | m = u->manager; | |||
| 2354 | ||||
| 2355 | /* Update timestamps for state changes */ | |||
| 2356 | if (!MANAGER_IS_RELOADING(m)((m)->n_reloading > 0)) { | |||
| 2357 | dual_timestamp_get(&u->state_change_timestamp); | |||
| 2358 | ||||
| 2359 | if (UNIT_IS_INACTIVE_OR_FAILED(os) && !UNIT_IS_INACTIVE_OR_FAILED(ns)) | |||
| 2360 | u->inactive_exit_timestamp = u->state_change_timestamp; | |||
| 2361 | else if (!UNIT_IS_INACTIVE_OR_FAILED(os) && UNIT_IS_INACTIVE_OR_FAILED(ns)) | |||
| 2362 | u->inactive_enter_timestamp = u->state_change_timestamp; | |||
| 2363 | ||||
| 2364 | if (!UNIT_IS_ACTIVE_OR_RELOADING(os) && UNIT_IS_ACTIVE_OR_RELOADING(ns)) | |||
| 2365 | u->active_enter_timestamp = u->state_change_timestamp; | |||
| 2366 | else if (UNIT_IS_ACTIVE_OR_RELOADING(os) && !UNIT_IS_ACTIVE_OR_RELOADING(ns)) | |||
| 2367 | u->active_exit_timestamp = u->state_change_timestamp; | |||
| 2368 | } | |||
| 2369 | ||||
| 2370 | /* Keep track of failed units */ | |||
| 2371 | (void) manager_update_failed_units(u->manager, u, ns == UNIT_FAILED); | |||
| 2372 | ||||
| 2373 | /* Make sure the cgroup and state files are always removed when we become inactive */ | |||
| 2374 | if (UNIT_IS_INACTIVE_OR_FAILED(ns)) { | |||
| 2375 | unit_prune_cgroup(u); | |||
| 2376 | unit_unlink_state_files(u); | |||
| 2377 | } | |||
| 2378 | ||||
| 2379 | unit_update_on_console(u); | |||
| 2380 | ||||
| 2381 | /* Let's propagate state changes to the job */ | |||
| 2382 | if (u->job) | |||
| 2383 | unexpected = unit_process_job(u->job, ns, flags); | |||
| 2384 | else | |||
| 2385 | unexpected = true1; | |||
| 2386 | ||||
| 2387 | if (!MANAGER_IS_RELOADING(m)((m)->n_reloading > 0)) { | |||
| 2388 | ||||
| 2389 | /* If this state change happened without being | |||
| 2390 | * requested by a job, then let's retroactively start | |||
| 2391 | * or stop dependencies. We skip that step when | |||
| 2392 | * deserializing, since we don't want to create any | |||
| 2393 | * additional jobs just because something is already | |||
| 2394 | * activated. */ | |||
| 2395 | ||||
| 2396 | if (unexpected) { | |||
| 2397 | if (UNIT_IS_INACTIVE_OR_FAILED(os) && UNIT_IS_ACTIVE_OR_ACTIVATING(ns)) | |||
| 2398 | retroactively_start_dependencies(u); | |||
| 2399 | else if (UNIT_IS_ACTIVE_OR_ACTIVATING(os) && UNIT_IS_INACTIVE_OR_DEACTIVATING(ns)) | |||
| 2400 | retroactively_stop_dependencies(u); | |||
| 2401 | } | |||
| 2402 | ||||
| 2403 | /* stop unneeded units regardless if going down was expected or not */ | |||
| 2404 | if (UNIT_IS_INACTIVE_OR_FAILED(ns)) | |||
| 2405 | check_unneeded_dependencies(u); | |||
| 2406 | ||||
| 2407 | if (ns != os && ns == UNIT_FAILED) { | |||
| 2408 | log_unit_debug(u, "Unit entered failed state.")({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 2408, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Unit entered failed state.") : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((7))), 0, "../src/core/unit.c", 2408, __func__ , "Unit entered failed state."); }); | |||
| 2409 | ||||
| 2410 | if (!(flags & UNIT_NOTIFY_WILL_AUTO_RESTART)) | |||
| 2411 | unit_start_on_failure(u); | |||
| 2412 | } | |||
| 2413 | } | |||
| 2414 | ||||
| 2415 | if (UNIT_IS_ACTIVE_OR_RELOADING(ns)) { | |||
| 2416 | ||||
| 2417 | if (u->type == UNIT_SERVICE && | |||
| 2418 | !UNIT_IS_ACTIVE_OR_RELOADING(os) && | |||
| 2419 | !MANAGER_IS_RELOADING(m)((m)->n_reloading > 0)) { | |||
| 2420 | /* Write audit record if we have just finished starting up */ | |||
| 2421 | manager_send_unit_audit(m, u, AUDIT_SERVICE_START1130, true1); | |||
| 2422 | u->in_audit = true1; | |||
| 2423 | } | |||
| 2424 | ||||
| 2425 | if (!UNIT_IS_ACTIVE_OR_RELOADING(os)) | |||
| 2426 | manager_send_unit_plymouth(m, u); | |||
| 2427 | ||||
| 2428 | } else { | |||
| 2429 | ||||
| 2430 | if (UNIT_IS_INACTIVE_OR_FAILED(ns) && | |||
| 2431 | !UNIT_IS_INACTIVE_OR_FAILED(os) | |||
| 2432 | && !MANAGER_IS_RELOADING(m)((m)->n_reloading > 0)) { | |||
| 2433 | ||||
| 2434 | /* This unit just stopped/failed. */ | |||
| 2435 | if (u->type == UNIT_SERVICE) { | |||
| 2436 | ||||
| 2437 | /* Hmm, if there was no start record written | |||
| 2438 | * write it now, so that we always have a nice | |||
| 2439 | * pair */ | |||
| 2440 | if (!u->in_audit) { | |||
| 2441 | manager_send_unit_audit(m, u, AUDIT_SERVICE_START1130, ns == UNIT_INACTIVE); | |||
| 2442 | ||||
| 2443 | if (ns == UNIT_INACTIVE) | |||
| 2444 | manager_send_unit_audit(m, u, AUDIT_SERVICE_STOP1131, true1); | |||
| 2445 | } else | |||
| 2446 | /* Write audit record if we have just finished shutting down */ | |||
| 2447 | manager_send_unit_audit(m, u, AUDIT_SERVICE_STOP1131, ns == UNIT_INACTIVE); | |||
| 2448 | ||||
| 2449 | u->in_audit = false0; | |||
| 2450 | } | |||
| 2451 | ||||
| 2452 | /* Write a log message about consumed resources */ | |||
| 2453 | unit_log_resources(u); | |||
| 2454 | } | |||
| 2455 | } | |||
| 2456 | ||||
| 2457 | manager_recheck_journal(m); | |||
| 2458 | manager_recheck_dbus(m); | |||
| 2459 | ||||
| 2460 | unit_trigger_notify(u); | |||
| 2461 | ||||
| 2462 | if (!MANAGER_IS_RELOADING(u->manager)((u->manager)->n_reloading > 0)) { | |||
| 2463 | /* Maybe we finished startup and are now ready for being stopped because unneeded? */ | |||
| 2464 | unit_add_to_stop_when_unneeded_queue(u); | |||
| 2465 | ||||
| 2466 | /* Maybe we finished startup, but something we needed has vanished? Let's die then. (This happens when | |||
| 2467 | * something BindsTo= to a Type=oneshot unit, as these units go directly from starting to inactive, | |||
| 2468 | * without ever entering started.) */ | |||
| 2469 | unit_check_binds_to(u); | |||
| 2470 | ||||
| 2471 | if (os != UNIT_FAILED && ns == UNIT_FAILED) | |||
| 2472 | (void) emergency_action(u->manager, u->failure_action, u->reboot_arg, "unit failed"); | |||
| 2473 | else if (!UNIT_IS_INACTIVE_OR_FAILED(os) && ns == UNIT_INACTIVE) | |||
| 2474 | (void) emergency_action(u->manager, u->success_action, u->reboot_arg, "unit succeeded"); | |||
| 2475 | } | |||
| 2476 | ||||
| 2477 | unit_add_to_dbus_queue(u); | |||
| 2478 | unit_add_to_gc_queue(u); | |||
| 2479 | } | |||
| 2480 | ||||
| 2481 | int unit_watch_pid(Unit *u, pid_t pid, bool_Bool exclusive) { | |||
| 2482 | int r; | |||
| 2483 | ||||
| 2484 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2484, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2485 | assert(pid_is_valid(pid))do { if ((__builtin_expect(!!(!(pid_is_valid(pid))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pid_is_valid(pid)"), "../src/core/unit.c" , 2485, __PRETTY_FUNCTION__); } while (0); | |||
| 2486 | ||||
| 2487 | /* Watch a specific PID */ | |||
| 2488 | ||||
| 2489 | /* Caller might be sure that this PID belongs to this unit only. Let's take this | |||
| 2490 | * opportunity to remove any stalled references to this PID as they can be created | |||
| 2491 | * easily (when watching a process which is not our direct child). */ | |||
| 2492 | if (exclusive) | |||
| 2493 | manager_unwatch_pid(u->manager, pid); | |||
| 2494 | ||||
| 2495 | r = set_ensure_allocated(&u->pids, NULL)internal_set_ensure_allocated(&u->pids, ((void*)0) ); | |||
| 2496 | if (r < 0) | |||
| 2497 | return r; | |||
| 2498 | ||||
| 2499 | r = hashmap_ensure_allocated(&u->manager->watch_pids, NULL)internal_hashmap_ensure_allocated(&u->manager->watch_pids , ((void*)0) ); | |||
| 2500 | if (r < 0) | |||
| 2501 | return r; | |||
| 2502 | ||||
| 2503 | /* First try, let's add the unit keyed by "pid". */ | |||
| 2504 | r = hashmap_put(u->manager->watch_pids, PID_TO_PTR(pid), u); | |||
| 2505 | if (r == -EEXIST17) { | |||
| 2506 | Unit **array; | |||
| 2507 | bool_Bool found = false0; | |||
| 2508 | size_t n = 0; | |||
| 2509 | ||||
| 2510 | /* OK, the "pid" key is already assigned to a different unit. Let's see if the "-pid" key (which points | |||
| 2511 | * to an array of Units rather than just a Unit), lists us already. */ | |||
| 2512 | ||||
| 2513 | array = hashmap_get(u->manager->watch_pids, PID_TO_PTR(-pid)); | |||
| 2514 | if (array) | |||
| 2515 | for (; array[n]; n++) | |||
| 2516 | if (array[n] == u) | |||
| 2517 | found = true1; | |||
| 2518 | ||||
| 2519 | if (found) /* Found it already? if so, do nothing */ | |||
| 2520 | r = 0; | |||
| 2521 | else { | |||
| 2522 | Unit **new_array; | |||
| 2523 | ||||
| 2524 | /* Allocate a new array */ | |||
| 2525 | new_array = new(Unit*, n + 2)((Unit**) malloc_multiply(sizeof(Unit*), (n + 2))); | |||
| 2526 | if (!new_array) | |||
| 2527 | return -ENOMEM12; | |||
| 2528 | ||||
| 2529 | memcpy_safe(new_array, array, sizeof(Unit*) * n); | |||
| 2530 | new_array[n] = u; | |||
| 2531 | new_array[n+1] = NULL((void*)0); | |||
| 2532 | ||||
| 2533 | /* Add or replace the old array */ | |||
| 2534 | r = hashmap_replace(u->manager->watch_pids, PID_TO_PTR(-pid), new_array); | |||
| 2535 | if (r < 0) { | |||
| 2536 | free(new_array); | |||
| 2537 | return r; | |||
| 2538 | } | |||
| 2539 | ||||
| 2540 | free(array); | |||
| 2541 | } | |||
| 2542 | } else if (r < 0) | |||
| 2543 | return r; | |||
| 2544 | ||||
| 2545 | r = set_put(u->pids, PID_TO_PTR(pid)); | |||
| 2546 | if (r < 0) | |||
| 2547 | return r; | |||
| 2548 | ||||
| 2549 | return 0; | |||
| 2550 | } | |||
| 2551 | ||||
| 2552 | void unit_unwatch_pid(Unit *u, pid_t pid) { | |||
| 2553 | Unit **array; | |||
| 2554 | ||||
| 2555 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2555, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2556 | assert(pid_is_valid(pid))do { if ((__builtin_expect(!!(!(pid_is_valid(pid))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("pid_is_valid(pid)"), "../src/core/unit.c" , 2556, __PRETTY_FUNCTION__); } while (0); | |||
| 2557 | ||||
| 2558 | /* First let's drop the unit in case it's keyed as "pid". */ | |||
| 2559 | (void) hashmap_remove_value(u->manager->watch_pids, PID_TO_PTR(pid), u); | |||
| 2560 | ||||
| 2561 | /* Then, let's also drop the unit, in case it's in the array keyed by -pid */ | |||
| 2562 | array = hashmap_get(u->manager->watch_pids, PID_TO_PTR(-pid)); | |||
| 2563 | if (array) { | |||
| 2564 | size_t n, m = 0; | |||
| 2565 | ||||
| 2566 | /* Let's iterate through the array, dropping our own entry */ | |||
| 2567 | for (n = 0; array[n]; n++) | |||
| 2568 | if (array[n] != u) | |||
| 2569 | array[m++] = array[n]; | |||
| 2570 | array[m] = NULL((void*)0); | |||
| 2571 | ||||
| 2572 | if (m == 0) { | |||
| 2573 | /* The array is now empty, remove the entire entry */ | |||
| 2574 | assert(hashmap_remove(u->manager->watch_pids, PID_TO_PTR(-pid)) == array)do { if ((__builtin_expect(!!(!(hashmap_remove(u->manager-> watch_pids, PID_TO_PTR(-pid)) == array)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("hashmap_remove(u->manager->watch_pids, PID_TO_PTR(-pid)) == array" ), "../src/core/unit.c", 2574, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2575 | free(array); | |||
| 2576 | } | |||
| 2577 | } | |||
| 2578 | ||||
| 2579 | (void) set_remove(u->pids, PID_TO_PTR(pid)); | |||
| 2580 | } | |||
| 2581 | ||||
| 2582 | void unit_unwatch_all_pids(Unit *u) { | |||
| 2583 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2583, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2584 | ||||
| 2585 | while (!set_isempty(u->pids)) | |||
| 2586 | unit_unwatch_pid(u, PTR_TO_PID(set_first(u->pids))); | |||
| 2587 | ||||
| 2588 | u->pids = set_free(u->pids); | |||
| 2589 | } | |||
| 2590 | ||||
| 2591 | static void unit_tidy_watch_pids(Unit *u) { | |||
| 2592 | pid_t except1, except2; | |||
| 2593 | Iterator i; | |||
| 2594 | void *e; | |||
| 2595 | ||||
| 2596 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2596, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2597 | ||||
| 2598 | /* Cleans dead PIDs from our list */ | |||
| 2599 | ||||
| 2600 | except1 = unit_main_pid(u); | |||
| 2601 | except2 = unit_control_pid(u); | |||
| 2602 | ||||
| 2603 | SET_FOREACH(e, u->pids, i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); set_iterate((u->pids), &(i), (void**)&(e)); ) { | |||
| 2604 | pid_t pid = PTR_TO_PID(e); | |||
| 2605 | ||||
| 2606 | if (pid == except1 || pid == except2) | |||
| 2607 | continue; | |||
| 2608 | ||||
| 2609 | if (!pid_is_unwaited(pid)) | |||
| 2610 | unit_unwatch_pid(u, pid); | |||
| 2611 | } | |||
| 2612 | } | |||
| 2613 | ||||
| 2614 | static int on_rewatch_pids_event(sd_event_source *s, void *userdata) { | |||
| 2615 | Unit *u = userdata; | |||
| 2616 | ||||
| 2617 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/core/unit.c", 2617, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2618 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2618, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2619 | ||||
| 2620 | unit_tidy_watch_pids(u); | |||
| 2621 | unit_watch_all_pids(u); | |||
| 2622 | ||||
| 2623 | /* If the PID set is empty now, then let's finish this off. */ | |||
| 2624 | unit_synthesize_cgroup_empty_event(u); | |||
| 2625 | ||||
| 2626 | return 0; | |||
| 2627 | } | |||
| 2628 | ||||
| 2629 | int unit_enqueue_rewatch_pids(Unit *u) { | |||
| 2630 | int r; | |||
| 2631 | ||||
| 2632 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2632, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2633 | ||||
| 2634 | if (!u->cgroup_path) | |||
| 2635 | return -ENOENT2; | |||
| 2636 | ||||
| 2637 | r = cg_unified_controller(SYSTEMD_CGROUP_CONTROLLER"_systemd"); | |||
| 2638 | if (r < 0) | |||
| 2639 | return r; | |||
| 2640 | if (r > 0) /* On unified we can use proper notifications */ | |||
| 2641 | return 0; | |||
| 2642 | ||||
| 2643 | /* Enqueues a low-priority job that will clean up dead PIDs from our list of PIDs to watch and subscribe to new | |||
| 2644 | * PIDs that might have appeared. We do this in a delayed job because the work might be quite slow, as it | |||
| 2645 | * involves issuing kill(pid, 0) on all processes we watch. */ | |||
| 2646 | ||||
| 2647 | if (!u->rewatch_pids_event_source) { | |||
| 2648 | _cleanup_(sd_event_source_unrefp)__attribute__((cleanup(sd_event_source_unrefp))) sd_event_source *s = NULL((void*)0); | |||
| 2649 | ||||
| 2650 | r = sd_event_add_defer(u->manager->event, &s, on_rewatch_pids_event, u); | |||
| 2651 | if (r < 0) | |||
| 2652 | return log_error_errno(r, "Failed to allocate event source for tidying watched PIDs: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 2652, __func__, "Failed to allocate event source for tidying watched PIDs: %m" ) : -abs(_e); }); | |||
| 2653 | ||||
| 2654 | r = sd_event_source_set_priority(s, SD_EVENT_PRIORITY_IDLE); | |||
| 2655 | if (r < 0) | |||
| 2656 | return log_error_errno(r, "Failed to adjust priority of event source for tidying watched PIDs: m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 2656, __func__, "Failed to adjust priority of event source for tidying watched PIDs: m" ) : -abs(_e); }); | |||
| 2657 | ||||
| 2658 | (void) sd_event_source_set_description(s, "tidy-watch-pids"); | |||
| 2659 | ||||
| 2660 | u->rewatch_pids_event_source = TAKE_PTR(s)({ typeof(s) _ptr_ = (s); (s) = ((void*)0); _ptr_; }); | |||
| 2661 | } | |||
| 2662 | ||||
| 2663 | r = sd_event_source_set_enabled(u->rewatch_pids_event_source, SD_EVENT_ONESHOT); | |||
| 2664 | if (r < 0) | |||
| 2665 | return log_error_errno(r, "Failed to enable event source for tidying watched PIDs: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 2665, __func__, "Failed to enable event source for tidying watched PIDs: %m" ) : -abs(_e); }); | |||
| 2666 | ||||
| 2667 | return 0; | |||
| 2668 | } | |||
| 2669 | ||||
| 2670 | void unit_dequeue_rewatch_pids(Unit *u) { | |||
| 2671 | int r; | |||
| 2672 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2672, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2673 | ||||
| 2674 | if (!u->rewatch_pids_event_source) | |||
| 2675 | return; | |||
| 2676 | ||||
| 2677 | r = sd_event_source_set_enabled(u->rewatch_pids_event_source, SD_EVENT_OFF); | |||
| 2678 | if (r < 0) | |||
| 2679 | log_warning_errno(r, "Failed to disable event source for tidying watched PIDs, ignoring: %m")({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 2679, __func__, "Failed to disable event source for tidying watched PIDs, ignoring: %m" ) : -abs(_e); }); | |||
| 2680 | ||||
| 2681 | u->rewatch_pids_event_source = sd_event_source_unref(u->rewatch_pids_event_source); | |||
| 2682 | } | |||
| 2683 | ||||
| 2684 | bool_Bool unit_job_is_applicable(Unit *u, JobType j) { | |||
| 2685 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2685, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2686 | assert(j >= 0 && j < _JOB_TYPE_MAX)do { if ((__builtin_expect(!!(!(j >= 0 && j < _JOB_TYPE_MAX )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("j >= 0 && j < _JOB_TYPE_MAX" ), "../src/core/unit.c", 2686, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2687 | ||||
| 2688 | switch (j) { | |||
| 2689 | ||||
| 2690 | case JOB_VERIFY_ACTIVE: | |||
| 2691 | case JOB_START: | |||
| 2692 | case JOB_NOP: | |||
| 2693 | /* Note that we don't check unit_can_start() here. That's because .device units and suchlike are not | |||
| 2694 | * startable by us but may appear due to external events, and it thus makes sense to permit enqueing | |||
| 2695 | * jobs for it. */ | |||
| 2696 | return true1; | |||
| 2697 | ||||
| 2698 | case JOB_STOP: | |||
| 2699 | /* Similar as above. However, perpetual units can never be stopped (neither explicitly nor due to | |||
| 2700 | * external events), hence it makes no sense to permit enqueing such a request either. */ | |||
| 2701 | return !u->perpetual; | |||
| 2702 | ||||
| 2703 | case JOB_RESTART: | |||
| 2704 | case JOB_TRY_RESTART: | |||
| 2705 | return unit_can_stop(u) && unit_can_start(u); | |||
| 2706 | ||||
| 2707 | case JOB_RELOAD: | |||
| 2708 | case JOB_TRY_RELOAD: | |||
| 2709 | return unit_can_reload(u); | |||
| 2710 | ||||
| 2711 | case JOB_RELOAD_OR_START: | |||
| 2712 | return unit_can_reload(u) && unit_can_start(u); | |||
| 2713 | ||||
| 2714 | default: | |||
| 2715 | assert_not_reached("Invalid job type")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Invalid job type"), "../src/core/unit.c", 2715, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2716 | } | |||
| 2717 | } | |||
| 2718 | ||||
| 2719 | static void maybe_warn_about_dependency(Unit *u, const char *other, UnitDependency dependency) { | |||
| 2720 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2720, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2721 | ||||
| 2722 | /* Only warn about some unit types */ | |||
| 2723 | if (!IN_SET(dependency, UNIT_CONFLICTS, UNIT_CONFLICTED_BY, UNIT_BEFORE, UNIT_AFTER, UNIT_ON_FAILURE, UNIT_TRIGGERS, UNIT_TRIGGERED_BY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){UNIT_CONFLICTS, UNIT_CONFLICTED_BY, UNIT_BEFORE , UNIT_AFTER, UNIT_ON_FAILURE, UNIT_TRIGGERS, UNIT_TRIGGERED_BY })/sizeof(int)]; switch(dependency) { case UNIT_CONFLICTS: case UNIT_CONFLICTED_BY: case UNIT_BEFORE: case UNIT_AFTER: case UNIT_ON_FAILURE : case UNIT_TRIGGERS: case UNIT_TRIGGERED_BY: _found = 1; break ; default: break; } _found; })) | |||
| 2724 | return; | |||
| 2725 | ||||
| 2726 | if (streq_ptr(u->id, other)) | |||
| 2727 | log_unit_warning(u, "Dependency %s=%s dropped", unit_dependency_to_string(dependency), u->id)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 2727, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Dependency %s=%s dropped", unit_dependency_to_string(dependency ), u->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 2727, __func__, "Dependency %s=%s dropped" , unit_dependency_to_string(dependency), u->id); }); | |||
| 2728 | else | |||
| 2729 | log_unit_warning(u, "Dependency %s=%s dropped, merged into %s", unit_dependency_to_string(dependency), strna(other), u->id)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 2729, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Dependency %s=%s dropped, merged into %s", unit_dependency_to_string (dependency), strna(other), u->id) : log_internal_realm((( LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c" , 2729, __func__, "Dependency %s=%s dropped, merged into %s", unit_dependency_to_string(dependency), strna(other), u->id ); }); | |||
| 2730 | } | |||
| 2731 | ||||
| 2732 | static int unit_add_dependency_hashmap( | |||
| 2733 | Hashmap **h, | |||
| 2734 | Unit *other, | |||
| 2735 | UnitDependencyMask origin_mask, | |||
| 2736 | UnitDependencyMask destination_mask) { | |||
| 2737 | ||||
| 2738 | UnitDependencyInfo info; | |||
| 2739 | int r; | |||
| 2740 | ||||
| 2741 | assert(h)do { if ((__builtin_expect(!!(!(h)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("h"), "../src/core/unit.c", 2741, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2742 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 2742, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2743 | assert(origin_mask < _UNIT_DEPENDENCY_MASK_FULL)do { if ((__builtin_expect(!!(!(origin_mask < _UNIT_DEPENDENCY_MASK_FULL )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("origin_mask < _UNIT_DEPENDENCY_MASK_FULL" ), "../src/core/unit.c", 2743, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2744 | assert(destination_mask < _UNIT_DEPENDENCY_MASK_FULL)do { if ((__builtin_expect(!!(!(destination_mask < _UNIT_DEPENDENCY_MASK_FULL )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("destination_mask < _UNIT_DEPENDENCY_MASK_FULL" ), "../src/core/unit.c", 2744, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2745 | assert(origin_mask > 0 || destination_mask > 0)do { if ((__builtin_expect(!!(!(origin_mask > 0 || destination_mask > 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("origin_mask > 0 || destination_mask > 0" ), "../src/core/unit.c", 2745, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2746 | ||||
| 2747 | r = hashmap_ensure_allocated(h, NULL)internal_hashmap_ensure_allocated(h, ((void*)0) ); | |||
| 2748 | if (r < 0) | |||
| 2749 | return r; | |||
| 2750 | ||||
| 2751 | assert_cc(sizeof(void*) == sizeof(info))GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_30 { char x[(sizeof(void*) == sizeof (info)) ? 0 : -1]; }; GCC diagnostic pop ; | |||
| 2752 | ||||
| 2753 | info.data = hashmap_get(*h, other); | |||
| 2754 | if (info.data) { | |||
| 2755 | /* Entry already exists. Add in our mask. */ | |||
| 2756 | ||||
| 2757 | if (FLAGS_SET(origin_mask, info.origin_mask)(((origin_mask) & (info.origin_mask)) == (info.origin_mask )) && | |||
| 2758 | FLAGS_SET(destination_mask, info.destination_mask)(((destination_mask) & (info.destination_mask)) == (info. destination_mask))) | |||
| 2759 | return 0; /* NOP */ | |||
| 2760 | ||||
| 2761 | info.origin_mask |= origin_mask; | |||
| 2762 | info.destination_mask |= destination_mask; | |||
| 2763 | ||||
| 2764 | r = hashmap_update(*h, other, info.data); | |||
| 2765 | } else { | |||
| 2766 | info = (UnitDependencyInfo) { | |||
| 2767 | .origin_mask = origin_mask, | |||
| 2768 | .destination_mask = destination_mask, | |||
| 2769 | }; | |||
| 2770 | ||||
| 2771 | r = hashmap_put(*h, other, info.data); | |||
| 2772 | } | |||
| 2773 | if (r < 0) | |||
| 2774 | return r; | |||
| 2775 | ||||
| 2776 | return 1; | |||
| 2777 | } | |||
| 2778 | ||||
| 2779 | int unit_add_dependency( | |||
| 2780 | Unit *u, | |||
| 2781 | UnitDependency d, | |||
| 2782 | Unit *other, | |||
| 2783 | bool_Bool add_reference, | |||
| 2784 | UnitDependencyMask mask) { | |||
| 2785 | ||||
| 2786 | static const UnitDependency inverse_table[_UNIT_DEPENDENCY_MAX] = { | |||
| 2787 | [UNIT_REQUIRES] = UNIT_REQUIRED_BY, | |||
| 2788 | [UNIT_WANTS] = UNIT_WANTED_BY, | |||
| 2789 | [UNIT_REQUISITE] = UNIT_REQUISITE_OF, | |||
| 2790 | [UNIT_BINDS_TO] = UNIT_BOUND_BY, | |||
| 2791 | [UNIT_PART_OF] = UNIT_CONSISTS_OF, | |||
| 2792 | [UNIT_REQUIRED_BY] = UNIT_REQUIRES, | |||
| 2793 | [UNIT_REQUISITE_OF] = UNIT_REQUISITE, | |||
| 2794 | [UNIT_WANTED_BY] = UNIT_WANTS, | |||
| 2795 | [UNIT_BOUND_BY] = UNIT_BINDS_TO, | |||
| 2796 | [UNIT_CONSISTS_OF] = UNIT_PART_OF, | |||
| 2797 | [UNIT_CONFLICTS] = UNIT_CONFLICTED_BY, | |||
| 2798 | [UNIT_CONFLICTED_BY] = UNIT_CONFLICTS, | |||
| 2799 | [UNIT_BEFORE] = UNIT_AFTER, | |||
| 2800 | [UNIT_AFTER] = UNIT_BEFORE, | |||
| 2801 | [UNIT_ON_FAILURE] = _UNIT_DEPENDENCY_INVALID, | |||
| 2802 | [UNIT_REFERENCES] = UNIT_REFERENCED_BY, | |||
| 2803 | [UNIT_REFERENCED_BY] = UNIT_REFERENCES, | |||
| 2804 | [UNIT_TRIGGERS] = UNIT_TRIGGERED_BY, | |||
| 2805 | [UNIT_TRIGGERED_BY] = UNIT_TRIGGERS, | |||
| 2806 | [UNIT_PROPAGATES_RELOAD_TO] = UNIT_RELOAD_PROPAGATED_FROM, | |||
| 2807 | [UNIT_RELOAD_PROPAGATED_FROM] = UNIT_PROPAGATES_RELOAD_TO, | |||
| 2808 | [UNIT_JOINS_NAMESPACE_OF] = UNIT_JOINS_NAMESPACE_OF, | |||
| 2809 | }; | |||
| 2810 | Unit *original_u = u, *original_other = other; | |||
| 2811 | int r; | |||
| 2812 | ||||
| 2813 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2813, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2814 | assert(d >= 0 && d < _UNIT_DEPENDENCY_MAX)do { if ((__builtin_expect(!!(!(d >= 0 && d < _UNIT_DEPENDENCY_MAX )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("d >= 0 && d < _UNIT_DEPENDENCY_MAX" ), "../src/core/unit.c", 2814, __PRETTY_FUNCTION__); } while ( 0); | |||
| 2815 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 2815, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2816 | ||||
| 2817 | u = unit_follow_merge(u); | |||
| 2818 | other = unit_follow_merge(other); | |||
| 2819 | ||||
| 2820 | /* We won't allow dependencies on ourselves. We will not | |||
| 2821 | * consider them an error however. */ | |||
| 2822 | if (u == other) { | |||
| 2823 | maybe_warn_about_dependency(original_u, original_other->id, d); | |||
| 2824 | return 0; | |||
| 2825 | } | |||
| 2826 | ||||
| 2827 | if ((d == UNIT_BEFORE && other->type == UNIT_DEVICE) || | |||
| 2828 | (d == UNIT_AFTER && u->type == UNIT_DEVICE)) { | |||
| 2829 | log_unit_warning(u, "Dependency Before=%s ignored (.device units cannot be delayed)", other->id)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 2829, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Dependency Before=%s ignored (.device units cannot be delayed)" , other->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 2829, __func__, "Dependency Before=%s ignored (.device units cannot be delayed)" , other->id); }); | |||
| 2830 | return 0; | |||
| 2831 | } | |||
| 2832 | ||||
| 2833 | r = unit_add_dependency_hashmap(u->dependencies + d, other, mask, 0); | |||
| 2834 | if (r < 0) | |||
| 2835 | return r; | |||
| 2836 | ||||
| 2837 | if (inverse_table[d] != _UNIT_DEPENDENCY_INVALID && inverse_table[d] != d) { | |||
| 2838 | r = unit_add_dependency_hashmap(other->dependencies + inverse_table[d], u, 0, mask); | |||
| 2839 | if (r < 0) | |||
| 2840 | return r; | |||
| 2841 | } | |||
| 2842 | ||||
| 2843 | if (add_reference) { | |||
| 2844 | r = unit_add_dependency_hashmap(u->dependencies + UNIT_REFERENCES, other, mask, 0); | |||
| 2845 | if (r < 0) | |||
| 2846 | return r; | |||
| 2847 | ||||
| 2848 | r = unit_add_dependency_hashmap(other->dependencies + UNIT_REFERENCED_BY, u, 0, mask); | |||
| 2849 | if (r < 0) | |||
| 2850 | return r; | |||
| 2851 | } | |||
| 2852 | ||||
| 2853 | unit_add_to_dbus_queue(u); | |||
| 2854 | return 0; | |||
| 2855 | } | |||
| 2856 | ||||
| 2857 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool_Bool add_reference, UnitDependencyMask mask) { | |||
| 2858 | int r; | |||
| 2859 | ||||
| 2860 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2860, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2861 | ||||
| 2862 | r = unit_add_dependency(u, d, other, add_reference, mask); | |||
| 2863 | if (r < 0) | |||
| 2864 | return r; | |||
| 2865 | ||||
| 2866 | return unit_add_dependency(u, e, other, add_reference, mask); | |||
| 2867 | } | |||
| 2868 | ||||
| 2869 | static int resolve_template(Unit *u, const char *name, const char*path, char **buf, const char **ret) { | |||
| 2870 | int r; | |||
| 2871 | ||||
| 2872 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2872, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2873 | assert(name || path)do { if ((__builtin_expect(!!(!(name || path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name || path"), "../src/core/unit.c", 2873 , __PRETTY_FUNCTION__); } while (0); | |||
| 2874 | assert(buf)do { if ((__builtin_expect(!!(!(buf)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("buf"), "../src/core/unit.c", 2874, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2875 | assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/core/unit.c", 2875, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2876 | ||||
| 2877 | if (!name) | |||
| 2878 | name = basename(path); | |||
| 2879 | ||||
| 2880 | if (!unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) { | |||
| 2881 | *buf = NULL((void*)0); | |||
| 2882 | *ret = name; | |||
| 2883 | return 0; | |||
| 2884 | } | |||
| 2885 | ||||
| 2886 | if (u->instance) | |||
| 2887 | r = unit_name_replace_instance(name, u->instance, buf); | |||
| 2888 | else { | |||
| 2889 | _cleanup_free___attribute__((cleanup(freep))) char *i = NULL((void*)0); | |||
| 2890 | ||||
| 2891 | r = unit_name_to_prefix(u->id, &i); | |||
| 2892 | if (r < 0) | |||
| 2893 | return r; | |||
| 2894 | ||||
| 2895 | r = unit_name_replace_instance(name, i, buf); | |||
| 2896 | } | |||
| 2897 | if (r < 0) | |||
| 2898 | return r; | |||
| 2899 | ||||
| 2900 | *ret = *buf; | |||
| 2901 | return 0; | |||
| 2902 | } | |||
| 2903 | ||||
| 2904 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *path, bool_Bool add_reference, UnitDependencyMask mask) { | |||
| 2905 | _cleanup_free___attribute__((cleanup(freep))) char *buf = NULL((void*)0); | |||
| 2906 | Unit *other; | |||
| 2907 | int r; | |||
| 2908 | ||||
| 2909 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2909, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2910 | assert(name || path)do { if ((__builtin_expect(!!(!(name || path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name || path"), "../src/core/unit.c", 2910 , __PRETTY_FUNCTION__); } while (0); | |||
| 2911 | ||||
| 2912 | r = resolve_template(u, name, path, &buf, &name); | |||
| 2913 | if (r < 0) | |||
| 2914 | return r; | |||
| 2915 | ||||
| 2916 | r = manager_load_unit(u->manager, name, path, NULL((void*)0), &other); | |||
| 2917 | if (r < 0) | |||
| 2918 | return r; | |||
| 2919 | ||||
| 2920 | return unit_add_dependency(u, d, other, add_reference, mask); | |||
| 2921 | } | |||
| 2922 | ||||
| 2923 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool_Bool add_reference, UnitDependencyMask mask) { | |||
| 2924 | _cleanup_free___attribute__((cleanup(freep))) char *buf = NULL((void*)0); | |||
| 2925 | Unit *other; | |||
| 2926 | int r; | |||
| 2927 | ||||
| 2928 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2928, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2929 | assert(name || path)do { if ((__builtin_expect(!!(!(name || path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name || path"), "../src/core/unit.c", 2929 , __PRETTY_FUNCTION__); } while (0); | |||
| 2930 | ||||
| 2931 | r = resolve_template(u, name, path, &buf, &name); | |||
| 2932 | if (r < 0) | |||
| 2933 | return r; | |||
| 2934 | ||||
| 2935 | r = manager_load_unit(u->manager, name, path, NULL((void*)0), &other); | |||
| 2936 | if (r < 0) | |||
| 2937 | return r; | |||
| 2938 | ||||
| 2939 | return unit_add_two_dependencies(u, d, e, other, add_reference, mask); | |||
| 2940 | } | |||
| 2941 | ||||
| 2942 | int set_unit_path(const char *p) { | |||
| 2943 | /* This is mostly for debug purposes */ | |||
| 2944 | if (setenv("SYSTEMD_UNIT_PATH", p, 1) < 0) | |||
| 2945 | return -errno(*__errno_location ()); | |||
| 2946 | ||||
| 2947 | return 0; | |||
| 2948 | } | |||
| 2949 | ||||
| 2950 | char *unit_dbus_path(Unit *u) { | |||
| 2951 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2951, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2952 | ||||
| 2953 | if (!u->id) | |||
| 2954 | return NULL((void*)0); | |||
| 2955 | ||||
| 2956 | return unit_dbus_path_from_name(u->id); | |||
| 2957 | } | |||
| 2958 | ||||
| 2959 | char *unit_dbus_path_invocation_id(Unit *u) { | |||
| 2960 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2960, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2961 | ||||
| 2962 | if (sd_id128_is_null(u->invocation_id)) | |||
| 2963 | return NULL((void*)0); | |||
| 2964 | ||||
| 2965 | return unit_dbus_path_from_name(u->invocation_id_string); | |||
| 2966 | } | |||
| 2967 | ||||
| 2968 | int unit_set_slice(Unit *u, Unit *slice) { | |||
| 2969 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 2969, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2970 | assert(slice)do { if ((__builtin_expect(!!(!(slice)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("slice"), "../src/core/unit.c", 2970, __PRETTY_FUNCTION__ ); } while (0); | |||
| 2971 | ||||
| 2972 | /* Sets the unit slice if it has not been set before. Is extra | |||
| 2973 | * careful, to only allow this for units that actually have a | |||
| 2974 | * cgroup context. Also, we don't allow to set this for slices | |||
| 2975 | * (since the parent slice is derived from the name). Make | |||
| 2976 | * sure the unit we set is actually a slice. */ | |||
| 2977 | ||||
| 2978 | if (!UNIT_HAS_CGROUP_CONTEXT(u)(unit_vtable[(u)->type]->cgroup_context_offset > 0)) | |||
| 2979 | return -EOPNOTSUPP95; | |||
| 2980 | ||||
| 2981 | if (u->type == UNIT_SLICE) | |||
| 2982 | return -EINVAL22; | |||
| 2983 | ||||
| 2984 | if (unit_active_state(u) != UNIT_INACTIVE) | |||
| 2985 | return -EBUSY16; | |||
| 2986 | ||||
| 2987 | if (slice->type != UNIT_SLICE) | |||
| 2988 | return -EINVAL22; | |||
| 2989 | ||||
| 2990 | if (unit_has_name(u, SPECIAL_INIT_SCOPE"init.scope") && | |||
| 2991 | !unit_has_name(slice, SPECIAL_ROOT_SLICE"-.slice")) | |||
| 2992 | return -EPERM1; | |||
| 2993 | ||||
| 2994 | if (UNIT_DEREF(u->slice)((u->slice).target) == slice) | |||
| 2995 | return 0; | |||
| 2996 | ||||
| 2997 | /* Disallow slice changes if @u is already bound to cgroups */ | |||
| 2998 | if (UNIT_ISSET(u->slice)(!!(u->slice).target) && u->cgroup_realized) | |||
| 2999 | return -EBUSY16; | |||
| 3000 | ||||
| 3001 | unit_ref_set(&u->slice, u, slice); | |||
| 3002 | return 1; | |||
| 3003 | } | |||
| 3004 | ||||
| 3005 | int unit_set_default_slice(Unit *u) { | |||
| 3006 | _cleanup_free___attribute__((cleanup(freep))) char *b = NULL((void*)0); | |||
| 3007 | const char *slice_name; | |||
| 3008 | Unit *slice; | |||
| 3009 | int r; | |||
| 3010 | ||||
| 3011 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3011, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3012 | ||||
| 3013 | if (UNIT_ISSET(u->slice)(!!(u->slice).target)) | |||
| 3014 | return 0; | |||
| 3015 | ||||
| 3016 | if (u->instance) { | |||
| 3017 | _cleanup_free___attribute__((cleanup(freep))) char *prefix = NULL((void*)0), *escaped = NULL((void*)0); | |||
| 3018 | ||||
| 3019 | /* Implicitly place all instantiated units in their | |||
| 3020 | * own per-template slice */ | |||
| 3021 | ||||
| 3022 | r = unit_name_to_prefix(u->id, &prefix); | |||
| 3023 | if (r < 0) | |||
| 3024 | return r; | |||
| 3025 | ||||
| 3026 | /* The prefix is already escaped, but it might include | |||
| 3027 | * "-" which has a special meaning for slice units, | |||
| 3028 | * hence escape it here extra. */ | |||
| 3029 | escaped = unit_name_escape(prefix); | |||
| 3030 | if (!escaped) | |||
| 3031 | return -ENOMEM12; | |||
| 3032 | ||||
| 3033 | if (MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM)) | |||
| 3034 | b = strjoin("system-", escaped, ".slice")strjoin_real(("system-"), escaped, ".slice", ((void*)0)); | |||
| 3035 | else | |||
| 3036 | b = strappend(escaped, ".slice"); | |||
| 3037 | if (!b) | |||
| 3038 | return -ENOMEM12; | |||
| 3039 | ||||
| 3040 | slice_name = b; | |||
| 3041 | } else | |||
| 3042 | slice_name = | |||
| 3043 | MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM) && !unit_has_name(u, SPECIAL_INIT_SCOPE"init.scope") | |||
| 3044 | ? SPECIAL_SYSTEM_SLICE"system.slice" | |||
| 3045 | : SPECIAL_ROOT_SLICE"-.slice"; | |||
| 3046 | ||||
| 3047 | r = manager_load_unit(u->manager, slice_name, NULL((void*)0), NULL((void*)0), &slice); | |||
| 3048 | if (r < 0) | |||
| 3049 | return r; | |||
| 3050 | ||||
| 3051 | return unit_set_slice(u, slice); | |||
| 3052 | } | |||
| 3053 | ||||
| 3054 | const char *unit_slice_name(Unit *u) { | |||
| 3055 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3055, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3056 | ||||
| 3057 | if (!UNIT_ISSET(u->slice)(!!(u->slice).target)) | |||
| 3058 | return NULL((void*)0); | |||
| 3059 | ||||
| 3060 | return UNIT_DEREF(u->slice)((u->slice).target)->id; | |||
| 3061 | } | |||
| 3062 | ||||
| 3063 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found) { | |||
| 3064 | _cleanup_free___attribute__((cleanup(freep))) char *t = NULL((void*)0); | |||
| 3065 | int r; | |||
| 3066 | ||||
| 3067 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3067, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3068 | assert(type)do { if ((__builtin_expect(!!(!(type)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("type"), "../src/core/unit.c", 3068, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3069 | assert(_found)do { if ((__builtin_expect(!!(!(_found)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_found"), "../src/core/unit.c", 3069, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3070 | ||||
| 3071 | r = unit_name_change_suffix(u->id, type, &t); | |||
| 3072 | if (r < 0) | |||
| 3073 | return r; | |||
| 3074 | if (unit_has_name(u, t)) | |||
| 3075 | return -EINVAL22; | |||
| 3076 | ||||
| 3077 | r = manager_load_unit(u->manager, t, NULL((void*)0), NULL((void*)0), _found); | |||
| 3078 | assert(r < 0 || *_found != u)do { if ((__builtin_expect(!!(!(r < 0 || *_found != u)),0) )) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("r < 0 || *_found != u" ), "../src/core/unit.c", 3078, __PRETTY_FUNCTION__); } while ( 0); | |||
| 3079 | return r; | |||
| 3080 | } | |||
| 3081 | ||||
| 3082 | static int signal_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |||
| 3083 | const char *name, *old_owner, *new_owner; | |||
| 3084 | Unit *u = userdata; | |||
| 3085 | int r; | |||
| 3086 | ||||
| 3087 | assert(message)do { if ((__builtin_expect(!!(!(message)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("message"), "../src/core/unit.c", 3087, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3088 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3088, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3089 | ||||
| 3090 | r = sd_bus_message_read(message, "sss", &name, &old_owner, &new_owner); | |||
| 3091 | if (r < 0) { | |||
| 3092 | bus_log_parse_error(r); | |||
| 3093 | return 0; | |||
| 3094 | } | |||
| 3095 | ||||
| 3096 | old_owner = empty_to_null(old_owner); | |||
| 3097 | new_owner = empty_to_null(new_owner); | |||
| 3098 | ||||
| 3099 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->bus_name_owner_change) | |||
| 3100 | UNIT_VTABLE(u)unit_vtable[(u)->type]->bus_name_owner_change(u, name, old_owner, new_owner); | |||
| 3101 | ||||
| 3102 | return 0; | |||
| 3103 | } | |||
| 3104 | ||||
| 3105 | int unit_install_bus_match(Unit *u, sd_bus *bus, const char *name) { | |||
| 3106 | const char *match; | |||
| 3107 | ||||
| 3108 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3108, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3109 | assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/core/unit.c", 3109, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3110 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 3110, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3111 | ||||
| 3112 | if (u->match_bus_slot) | |||
| 3113 | return -EBUSY16; | |||
| 3114 | ||||
| 3115 | match = strjoina("type='signal',"({ const char *_appendees_[] = { "type='signal'," "sender='org.freedesktop.DBus'," "path='/org/freedesktop/DBus'," "interface='org.freedesktop.DBus'," "member='NameOwnerChanged'," "arg0='", name, "'" }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 3116 | "sender='org.freedesktop.DBus',"({ const char *_appendees_[] = { "type='signal'," "sender='org.freedesktop.DBus'," "path='/org/freedesktop/DBus'," "interface='org.freedesktop.DBus'," "member='NameOwnerChanged'," "arg0='", name, "'" }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 3117 | "path='/org/freedesktop/DBus',"({ const char *_appendees_[] = { "type='signal'," "sender='org.freedesktop.DBus'," "path='/org/freedesktop/DBus'," "interface='org.freedesktop.DBus'," "member='NameOwnerChanged'," "arg0='", name, "'" }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 3118 | "interface='org.freedesktop.DBus',"({ const char *_appendees_[] = { "type='signal'," "sender='org.freedesktop.DBus'," "path='/org/freedesktop/DBus'," "interface='org.freedesktop.DBus'," "member='NameOwnerChanged'," "arg0='", name, "'" }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 3119 | "member='NameOwnerChanged',"({ const char *_appendees_[] = { "type='signal'," "sender='org.freedesktop.DBus'," "path='/org/freedesktop/DBus'," "interface='org.freedesktop.DBus'," "member='NameOwnerChanged'," "arg0='", name, "'" }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 3120 | "arg0='", name, "'")({ const char *_appendees_[] = { "type='signal'," "sender='org.freedesktop.DBus'," "path='/org/freedesktop/DBus'," "interface='org.freedesktop.DBus'," "member='NameOwnerChanged'," "arg0='", name, "'" }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 3121 | ||||
| 3122 | return sd_bus_add_match_async(bus, &u->match_bus_slot, match, signal_name_owner_changed, NULL((void*)0), u); | |||
| 3123 | } | |||
| 3124 | ||||
| 3125 | int unit_watch_bus_name(Unit *u, const char *name) { | |||
| 3126 | int r; | |||
| 3127 | ||||
| 3128 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3128, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3129 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 3129, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3130 | ||||
| 3131 | /* Watch a specific name on the bus. We only support one unit | |||
| 3132 | * watching each name for now. */ | |||
| 3133 | ||||
| 3134 | if (u->manager->api_bus) { | |||
| 3135 | /* If the bus is already available, install the match directly. | |||
| 3136 | * Otherwise, just put the name in the list. bus_setup_api() will take care later. */ | |||
| 3137 | r = unit_install_bus_match(u, u->manager->api_bus, name); | |||
| 3138 | if (r < 0) | |||
| 3139 | return log_warning_errno(r, "Failed to subscribe to NameOwnerChanged signal for '%s': %m", name)({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 3139, __func__, "Failed to subscribe to NameOwnerChanged signal for '%s': %m" , name) : -abs(_e); }); | |||
| 3140 | } | |||
| 3141 | ||||
| 3142 | r = hashmap_put(u->manager->watch_bus, name, u); | |||
| 3143 | if (r < 0) { | |||
| 3144 | u->match_bus_slot = sd_bus_slot_unref(u->match_bus_slot); | |||
| 3145 | return log_warning_errno(r, "Failed to put bus name to hashmap: %m")({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 3145, __func__, "Failed to put bus name to hashmap: %m" ) : -abs(_e); }); | |||
| 3146 | } | |||
| 3147 | ||||
| 3148 | return 0; | |||
| 3149 | } | |||
| 3150 | ||||
| 3151 | void unit_unwatch_bus_name(Unit *u, const char *name) { | |||
| 3152 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3152, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3153 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 3153, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3154 | ||||
| 3155 | (void) hashmap_remove_value(u->manager->watch_bus, name, u); | |||
| 3156 | u->match_bus_slot = sd_bus_slot_unref(u->match_bus_slot); | |||
| 3157 | } | |||
| 3158 | ||||
| 3159 | bool_Bool unit_can_serialize(Unit *u) { | |||
| 3160 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3160, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3161 | ||||
| 3162 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->serialize && UNIT_VTABLE(u)unit_vtable[(u)->type]->deserialize_item; | |||
| 3163 | } | |||
| 3164 | ||||
| 3165 | static int unit_serialize_cgroup_mask(FILE *f, const char *key, CGroupMask mask) { | |||
| 3166 | _cleanup_free___attribute__((cleanup(freep))) char *s = NULL((void*)0); | |||
| 3167 | int r = 0; | |||
| 3168 | ||||
| 3169 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3169, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3170 | assert(key)do { if ((__builtin_expect(!!(!(key)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("key"), "../src/core/unit.c", 3170, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3171 | ||||
| 3172 | if (mask != 0) { | |||
| 3173 | r = cg_mask_to_string(mask, &s); | |||
| 3174 | if (r >= 0) { | |||
| 3175 | fputs(key, f); | |||
| 3176 | fputc('=', f); | |||
| 3177 | fputs(s, f); | |||
| 3178 | fputc('\n', f); | |||
| 3179 | } | |||
| 3180 | } | |||
| 3181 | return r; | |||
| 3182 | } | |||
| 3183 | ||||
| 3184 | static const char *ip_accounting_metric_field[_CGROUP_IP_ACCOUNTING_METRIC_MAX] = { | |||
| 3185 | [CGROUP_IP_INGRESS_BYTES] = "ip-accounting-ingress-bytes", | |||
| 3186 | [CGROUP_IP_INGRESS_PACKETS] = "ip-accounting-ingress-packets", | |||
| 3187 | [CGROUP_IP_EGRESS_BYTES] = "ip-accounting-egress-bytes", | |||
| 3188 | [CGROUP_IP_EGRESS_PACKETS] = "ip-accounting-egress-packets", | |||
| 3189 | }; | |||
| 3190 | ||||
| 3191 | int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool_Bool serialize_jobs) { | |||
| 3192 | CGroupIPAccountingMetric m; | |||
| 3193 | int r; | |||
| 3194 | ||||
| 3195 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3195, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3196 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3196, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3197 | assert(fds)do { if ((__builtin_expect(!!(!(fds)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("fds"), "../src/core/unit.c", 3197, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3198 | ||||
| 3199 | if (unit_can_serialize(u)) { | |||
| 3200 | r = UNIT_VTABLE(u)unit_vtable[(u)->type]->serialize(u, f, fds); | |||
| 3201 | if (r < 0) | |||
| 3202 | return r; | |||
| 3203 | } | |||
| 3204 | ||||
| 3205 | dual_timestamp_serialize(f, "state-change-timestamp", &u->state_change_timestamp); | |||
| 3206 | ||||
| 3207 | dual_timestamp_serialize(f, "inactive-exit-timestamp", &u->inactive_exit_timestamp); | |||
| 3208 | dual_timestamp_serialize(f, "active-enter-timestamp", &u->active_enter_timestamp); | |||
| 3209 | dual_timestamp_serialize(f, "active-exit-timestamp", &u->active_exit_timestamp); | |||
| 3210 | dual_timestamp_serialize(f, "inactive-enter-timestamp", &u->inactive_enter_timestamp); | |||
| 3211 | ||||
| 3212 | dual_timestamp_serialize(f, "condition-timestamp", &u->condition_timestamp); | |||
| 3213 | dual_timestamp_serialize(f, "assert-timestamp", &u->assert_timestamp); | |||
| 3214 | ||||
| 3215 | if (dual_timestamp_is_set(&u->condition_timestamp)) | |||
| 3216 | unit_serialize_item(u, f, "condition-result", yes_no(u->condition_result)); | |||
| 3217 | ||||
| 3218 | if (dual_timestamp_is_set(&u->assert_timestamp)) | |||
| 3219 | unit_serialize_item(u, f, "assert-result", yes_no(u->assert_result)); | |||
| 3220 | ||||
| 3221 | unit_serialize_item(u, f, "transient", yes_no(u->transient)); | |||
| 3222 | ||||
| 3223 | unit_serialize_item(u, f, "exported-invocation-id", yes_no(u->exported_invocation_id)); | |||
| 3224 | unit_serialize_item(u, f, "exported-log-level-max", yes_no(u->exported_log_level_max)); | |||
| 3225 | unit_serialize_item(u, f, "exported-log-extra-fields", yes_no(u->exported_log_extra_fields)); | |||
| 3226 | unit_serialize_item(u, f, "exported-log-rate-limit-interval", yes_no(u->exported_log_rate_limit_interval)); | |||
| 3227 | unit_serialize_item(u, f, "exported-log-rate-limit-burst", yes_no(u->exported_log_rate_limit_burst)); | |||
| 3228 | ||||
| 3229 | unit_serialize_item_format(u, f, "cpu-usage-base", "%" PRIu64"l" "u", u->cpu_usage_base); | |||
| 3230 | if (u->cpu_usage_last != NSEC_INFINITY((nsec_t) -1)) | |||
| 3231 | unit_serialize_item_format(u, f, "cpu-usage-last", "%" PRIu64"l" "u", u->cpu_usage_last); | |||
| 3232 | ||||
| 3233 | if (u->cgroup_path) | |||
| 3234 | unit_serialize_item(u, f, "cgroup", u->cgroup_path); | |||
| 3235 | unit_serialize_item(u, f, "cgroup-realized", yes_no(u->cgroup_realized)); | |||
| 3236 | (void) unit_serialize_cgroup_mask(f, "cgroup-realized-mask", u->cgroup_realized_mask); | |||
| 3237 | (void) unit_serialize_cgroup_mask(f, "cgroup-enabled-mask", u->cgroup_enabled_mask); | |||
| 3238 | unit_serialize_item_format(u, f, "cgroup-bpf-realized", "%i", u->cgroup_bpf_state); | |||
| 3239 | ||||
| 3240 | if (uid_is_valid(u->ref_uid)) | |||
| 3241 | unit_serialize_item_format(u, f, "ref-uid", UID_FMT"%" "u", u->ref_uid); | |||
| 3242 | if (gid_is_valid(u->ref_gid)) | |||
| 3243 | unit_serialize_item_format(u, f, "ref-gid", GID_FMT"%" "u", u->ref_gid); | |||
| 3244 | ||||
| 3245 | if (!sd_id128_is_null(u->invocation_id)) | |||
| 3246 | unit_serialize_item_format(u, f, "invocation-id", SD_ID128_FORMAT_STR"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", SD_ID128_FORMAT_VAL(u->invocation_id)(u->invocation_id).bytes[0], (u->invocation_id).bytes[1 ], (u->invocation_id).bytes[2], (u->invocation_id).bytes [3], (u->invocation_id).bytes[4], (u->invocation_id).bytes [5], (u->invocation_id).bytes[6], (u->invocation_id).bytes [7], (u->invocation_id).bytes[8], (u->invocation_id).bytes [9], (u->invocation_id).bytes[10], (u->invocation_id).bytes [11], (u->invocation_id).bytes[12], (u->invocation_id). bytes[13], (u->invocation_id).bytes[14], (u->invocation_id ).bytes[15]); | |||
| 3247 | ||||
| 3248 | (void) unit_serialize_item_format(u, f, "freezer-state", "%s", freezer_state_to_string(unit_freezer_state(u))); | |||
| 3249 | ||||
| 3250 | bus_track_serialize(u->bus_track, f, "ref"); | |||
| 3251 | ||||
| 3252 | for (m = 0; m < _CGROUP_IP_ACCOUNTING_METRIC_MAX; m++) { | |||
| 3253 | uint64_t v; | |||
| 3254 | ||||
| 3255 | r = unit_get_ip_accounting(u, m, &v); | |||
| 3256 | if (r >= 0) | |||
| 3257 | unit_serialize_item_format(u, f, ip_accounting_metric_field[m], "%" PRIu64"l" "u", v); | |||
| 3258 | } | |||
| 3259 | ||||
| 3260 | if (serialize_jobs) { | |||
| 3261 | if (u->job) { | |||
| 3262 | fprintf(f, "job\n"); | |||
| 3263 | job_serialize(u->job, f); | |||
| 3264 | } | |||
| 3265 | ||||
| 3266 | if (u->nop_job) { | |||
| 3267 | fprintf(f, "job\n"); | |||
| 3268 | job_serialize(u->nop_job, f); | |||
| 3269 | } | |||
| 3270 | } | |||
| 3271 | ||||
| 3272 | /* End marker */ | |||
| 3273 | fputc('\n', f); | |||
| 3274 | return 0; | |||
| 3275 | } | |||
| 3276 | ||||
| 3277 | int unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value) { | |||
| 3278 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3278, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3279 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3279, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3280 | assert(key)do { if ((__builtin_expect(!!(!(key)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("key"), "../src/core/unit.c", 3280, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3281 | ||||
| 3282 | if (!value) | |||
| 3283 | return 0; | |||
| 3284 | ||||
| 3285 | fputs(key, f); | |||
| 3286 | fputc('=', f); | |||
| 3287 | fputs(value, f); | |||
| 3288 | fputc('\n', f); | |||
| 3289 | ||||
| 3290 | return 1; | |||
| 3291 | } | |||
| 3292 | ||||
| 3293 | int unit_serialize_item_escaped(Unit *u, FILE *f, const char *key, const char *value) { | |||
| 3294 | _cleanup_free___attribute__((cleanup(freep))) char *c = NULL((void*)0); | |||
| 3295 | ||||
| 3296 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3296, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3297 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3297, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3298 | assert(key)do { if ((__builtin_expect(!!(!(key)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("key"), "../src/core/unit.c", 3298, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3299 | ||||
| 3300 | if (!value) | |||
| 3301 | return 0; | |||
| 3302 | ||||
| 3303 | c = cescape(value); | |||
| 3304 | if (!c) | |||
| 3305 | return -ENOMEM12; | |||
| 3306 | ||||
| 3307 | fputs(key, f); | |||
| 3308 | fputc('=', f); | |||
| 3309 | fputs(c, f); | |||
| 3310 | fputc('\n', f); | |||
| 3311 | ||||
| 3312 | return 1; | |||
| 3313 | } | |||
| 3314 | ||||
| 3315 | int unit_serialize_item_fd(Unit *u, FILE *f, FDSet *fds, const char *key, int fd) { | |||
| 3316 | int copy; | |||
| 3317 | ||||
| 3318 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3318, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3319 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3319, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3320 | assert(key)do { if ((__builtin_expect(!!(!(key)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("key"), "../src/core/unit.c", 3320, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3321 | ||||
| 3322 | if (fd < 0) | |||
| 3323 | return 0; | |||
| 3324 | ||||
| 3325 | copy = fdset_put_dup(fds, fd); | |||
| 3326 | if (copy < 0) | |||
| 3327 | return copy; | |||
| 3328 | ||||
| 3329 | fprintf(f, "%s=%i\n", key, copy); | |||
| 3330 | return 1; | |||
| 3331 | } | |||
| 3332 | ||||
| 3333 | void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *format, ...) { | |||
| 3334 | va_list ap; | |||
| 3335 | ||||
| 3336 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3336, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3337 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3337, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3338 | assert(key)do { if ((__builtin_expect(!!(!(key)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("key"), "../src/core/unit.c", 3338, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3339 | assert(format)do { if ((__builtin_expect(!!(!(format)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("format"), "../src/core/unit.c", 3339, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3340 | ||||
| 3341 | fputs(key, f); | |||
| 3342 | fputc('=', f); | |||
| 3343 | ||||
| 3344 | va_start(ap, format)__builtin_va_start(ap, format); | |||
| 3345 | vfprintf(f, format, ap); | |||
| 3346 | va_end(ap)__builtin_va_end(ap); | |||
| 3347 | ||||
| 3348 | fputc('\n', f); | |||
| 3349 | } | |||
| 3350 | ||||
| 3351 | int unit_deserialize(Unit *u, FILE *f, FDSet *fds) { | |||
| 3352 | int r; | |||
| 3353 | ||||
| 3354 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3354, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3355 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3355, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3356 | assert(fds)do { if ((__builtin_expect(!!(!(fds)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("fds"), "../src/core/unit.c", 3356, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3357 | ||||
| 3358 | for (;;) { | |||
| 3359 | _cleanup_free___attribute__((cleanup(freep))) char *line = NULL((void*)0); | |||
| 3360 | CGroupIPAccountingMetric m; | |||
| 3361 | char *l, *v; | |||
| 3362 | size_t k; | |||
| 3363 | ||||
| 3364 | r = read_line(f, LONG_LINE_MAX(1U*1024U*1024U), &line); | |||
| 3365 | if (r < 0) | |||
| 3366 | return log_error_errno(r, "Failed to read serialization line: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 3366, __func__, "Failed to read serialization line: %m" ) : -abs(_e); }); | |||
| 3367 | if (r == 0) /* eof */ | |||
| 3368 | break; | |||
| 3369 | ||||
| 3370 | l = strstrip(line); | |||
| 3371 | if (isempty(l)) /* End marker */ | |||
| 3372 | break; | |||
| 3373 | ||||
| 3374 | k = strcspn(l, "="); | |||
| 3375 | ||||
| 3376 | if (l[k] == '=') { | |||
| 3377 | l[k] = 0; | |||
| 3378 | v = l+k+1; | |||
| 3379 | } else | |||
| 3380 | v = l+k; | |||
| 3381 | ||||
| 3382 | if (streq(l, "job")(strcmp((l),("job")) == 0)) { | |||
| 3383 | if (v[0] == '\0') { | |||
| 3384 | /* new-style serialized job */ | |||
| 3385 | Job *j; | |||
| 3386 | ||||
| 3387 | j = job_new_raw(u); | |||
| 3388 | if (!j) | |||
| 3389 | return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 3389 , __func__); | |||
| 3390 | ||||
| 3391 | r = job_deserialize(j, f); | |||
| 3392 | if (r < 0) { | |||
| 3393 | job_free(j); | |||
| 3394 | return r; | |||
| 3395 | } | |||
| 3396 | ||||
| 3397 | r = hashmap_put(u->manager->jobs, UINT32_TO_PTR(j->id)((void *) ((uintptr_t) (j->id))), j); | |||
| 3398 | if (r < 0) { | |||
| 3399 | job_free(j); | |||
| 3400 | return r; | |||
| 3401 | } | |||
| 3402 | ||||
| 3403 | r = job_install_deserialized(j); | |||
| 3404 | if (r < 0) { | |||
| 3405 | hashmap_remove(u->manager->jobs, UINT32_TO_PTR(j->id)((void *) ((uintptr_t) (j->id)))); | |||
| 3406 | job_free(j); | |||
| 3407 | return r; | |||
| 3408 | } | |||
| 3409 | } else /* legacy for pre-44 */ | |||
| 3410 | log_unit_warning(u, "Update from too old systemd versions are unsupported, cannot deserialize job: %s", v)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 3410, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Update from too old systemd versions are unsupported, cannot deserialize job: %s" , v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (4))), 0, "../src/core/unit.c", 3410, __func__, "Update from too old systemd versions are unsupported, cannot deserialize job: %s" , v); }); | |||
| 3411 | continue; | |||
| 3412 | } else if (streq(l, "state-change-timestamp")(strcmp((l),("state-change-timestamp")) == 0)) { | |||
| 3413 | dual_timestamp_deserialize(v, &u->state_change_timestamp); | |||
| 3414 | continue; | |||
| 3415 | } else if (streq(l, "inactive-exit-timestamp")(strcmp((l),("inactive-exit-timestamp")) == 0)) { | |||
| 3416 | dual_timestamp_deserialize(v, &u->inactive_exit_timestamp); | |||
| 3417 | continue; | |||
| 3418 | } else if (streq(l, "active-enter-timestamp")(strcmp((l),("active-enter-timestamp")) == 0)) { | |||
| 3419 | dual_timestamp_deserialize(v, &u->active_enter_timestamp); | |||
| 3420 | continue; | |||
| 3421 | } else if (streq(l, "active-exit-timestamp")(strcmp((l),("active-exit-timestamp")) == 0)) { | |||
| 3422 | dual_timestamp_deserialize(v, &u->active_exit_timestamp); | |||
| 3423 | continue; | |||
| 3424 | } else if (streq(l, "inactive-enter-timestamp")(strcmp((l),("inactive-enter-timestamp")) == 0)) { | |||
| 3425 | dual_timestamp_deserialize(v, &u->inactive_enter_timestamp); | |||
| 3426 | continue; | |||
| 3427 | } else if (streq(l, "condition-timestamp")(strcmp((l),("condition-timestamp")) == 0)) { | |||
| 3428 | dual_timestamp_deserialize(v, &u->condition_timestamp); | |||
| 3429 | continue; | |||
| 3430 | } else if (streq(l, "assert-timestamp")(strcmp((l),("assert-timestamp")) == 0)) { | |||
| 3431 | dual_timestamp_deserialize(v, &u->assert_timestamp); | |||
| 3432 | continue; | |||
| 3433 | } else if (streq(l, "condition-result")(strcmp((l),("condition-result")) == 0)) { | |||
| 3434 | ||||
| 3435 | r = parse_boolean(v); | |||
| 3436 | if (r < 0) | |||
| 3437 | log_unit_debug(u, "Failed to parse condition result value %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3437, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse condition result value %s, ignoring.", v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))) , 0, "../src/core/unit.c", 3437, __func__, "Failed to parse condition result value %s, ignoring." , v); }); | |||
| 3438 | else | |||
| 3439 | u->condition_result = r; | |||
| 3440 | ||||
| 3441 | continue; | |||
| 3442 | ||||
| 3443 | } else if (streq(l, "assert-result")(strcmp((l),("assert-result")) == 0)) { | |||
| 3444 | ||||
| 3445 | r = parse_boolean(v); | |||
| 3446 | if (r < 0) | |||
| 3447 | log_unit_debug(u, "Failed to parse assert result value %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3447, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse assert result value %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3447, __func__, "Failed to parse assert result value %s, ignoring." , v); }); | |||
| 3448 | else | |||
| 3449 | u->assert_result = r; | |||
| 3450 | ||||
| 3451 | continue; | |||
| 3452 | ||||
| 3453 | } else if (streq(l, "transient")(strcmp((l),("transient")) == 0)) { | |||
| 3454 | ||||
| 3455 | r = parse_boolean(v); | |||
| 3456 | if (r < 0) | |||
| 3457 | log_unit_debug(u, "Failed to parse transient bool %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3457, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse transient bool %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3457, __func__, "Failed to parse transient bool %s, ignoring." , v); }); | |||
| 3458 | else | |||
| 3459 | u->transient = r; | |||
| 3460 | ||||
| 3461 | continue; | |||
| 3462 | ||||
| 3463 | } else if (streq(l, "exported-invocation-id")(strcmp((l),("exported-invocation-id")) == 0)) { | |||
| 3464 | ||||
| 3465 | r = parse_boolean(v); | |||
| 3466 | if (r < 0) | |||
| 3467 | log_unit_debug(u, "Failed to parse exported invocation ID bool %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3467, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse exported invocation ID bool %s, ignoring." , v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (7))), 0, "../src/core/unit.c", 3467, __func__, "Failed to parse exported invocation ID bool %s, ignoring." , v); }); | |||
| 3468 | else | |||
| 3469 | u->exported_invocation_id = r; | |||
| 3470 | ||||
| 3471 | continue; | |||
| 3472 | ||||
| 3473 | } else if (streq(l, "exported-log-level-max")(strcmp((l),("exported-log-level-max")) == 0)) { | |||
| 3474 | ||||
| 3475 | r = parse_boolean(v); | |||
| 3476 | if (r < 0) | |||
| 3477 | log_unit_debug(u, "Failed to parse exported log level max bool %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3477, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse exported log level max bool %s, ignoring." , v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (7))), 0, "../src/core/unit.c", 3477, __func__, "Failed to parse exported log level max bool %s, ignoring." , v); }); | |||
| 3478 | else | |||
| 3479 | u->exported_log_level_max = r; | |||
| 3480 | ||||
| 3481 | continue; | |||
| 3482 | ||||
| 3483 | } else if (streq(l, "exported-log-extra-fields")(strcmp((l),("exported-log-extra-fields")) == 0)) { | |||
| 3484 | ||||
| 3485 | r = parse_boolean(v); | |||
| 3486 | if (r < 0) | |||
| 3487 | log_unit_debug(u, "Failed to parse exported log extra fields bool %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3487, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse exported log extra fields bool %s, ignoring." , v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (7))), 0, "../src/core/unit.c", 3487, __func__, "Failed to parse exported log extra fields bool %s, ignoring." , v); }); | |||
| 3488 | else | |||
| 3489 | u->exported_log_extra_fields = r; | |||
| 3490 | ||||
| 3491 | continue; | |||
| 3492 | ||||
| 3493 | } else if (streq(l, "exported-log-rate-limit-interval")(strcmp((l),("exported-log-rate-limit-interval")) == 0)) { | |||
| 3494 | ||||
| 3495 | r = parse_boolean(v); | |||
| 3496 | if (r < 0) | |||
| 3497 | log_unit_debug(u, "Failed to parse exported log rate limit interval %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3497, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse exported log rate limit interval %s, ignoring." , v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (7))), 0, "../src/core/unit.c", 3497, __func__, "Failed to parse exported log rate limit interval %s, ignoring." , v); }); | |||
| 3498 | else | |||
| 3499 | u->exported_log_rate_limit_interval = r; | |||
| 3500 | ||||
| 3501 | continue; | |||
| 3502 | ||||
| 3503 | } else if (streq(l, "exported-log-rate-limit-burst")(strcmp((l),("exported-log-rate-limit-burst")) == 0)) { | |||
| 3504 | ||||
| 3505 | r = parse_boolean(v); | |||
| 3506 | if (r < 0) | |||
| 3507 | log_unit_debug(u, "Failed to parse exported log rate limit burst %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3507, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse exported log rate limit burst %s, ignoring." , v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ( (7))), 0, "../src/core/unit.c", 3507, __func__, "Failed to parse exported log rate limit burst %s, ignoring." , v); }); | |||
| 3508 | else | |||
| 3509 | u->exported_log_rate_limit_burst = r; | |||
| 3510 | ||||
| 3511 | continue; | |||
| 3512 | ||||
| 3513 | } else if (STR_IN_SET(l, "cpu-usage-base", "cpuacct-usage-base")(!!strv_find((((char**) ((const char*[]) { "cpu-usage-base", "cpuacct-usage-base" , ((void*)0) }))), (l)))) { | |||
| 3514 | ||||
| 3515 | r = safe_atou64(v, &u->cpu_usage_base); | |||
| 3516 | if (r < 0) | |||
| 3517 | log_unit_debug(u, "Failed to parse CPU usage base %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3517, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse CPU usage base %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3517, __func__, "Failed to parse CPU usage base %s, ignoring." , v); }); | |||
| 3518 | ||||
| 3519 | continue; | |||
| 3520 | ||||
| 3521 | } else if (streq(l, "cpu-usage-last")(strcmp((l),("cpu-usage-last")) == 0)) { | |||
| 3522 | ||||
| 3523 | r = safe_atou64(v, &u->cpu_usage_last); | |||
| 3524 | if (r < 0) | |||
| 3525 | log_unit_debug(u, "Failed to read CPU usage last %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3525, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to read CPU usage last %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3525, __func__, "Failed to read CPU usage last %s, ignoring." , v); }); | |||
| 3526 | ||||
| 3527 | continue; | |||
| 3528 | ||||
| 3529 | } else if (streq(l, "cgroup")(strcmp((l),("cgroup")) == 0)) { | |||
| 3530 | ||||
| 3531 | r = unit_set_cgroup_path(u, v); | |||
| 3532 | if (r < 0) | |||
| 3533 | log_unit_debug_errno(u, r, "Failed to set cgroup path %s, ignoring: %m", v)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 3533, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to set cgroup path %s, ignoring: %m", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), r, "../src/core/unit.c" , 3533, __func__, "Failed to set cgroup path %s, ignoring: %m" , v); }); | |||
| 3534 | ||||
| 3535 | (void) unit_watch_cgroup(u); | |||
| 3536 | ||||
| 3537 | continue; | |||
| 3538 | } else if (streq(l, "cgroup-realized")(strcmp((l),("cgroup-realized")) == 0)) { | |||
| 3539 | int b; | |||
| 3540 | ||||
| 3541 | b = parse_boolean(v); | |||
| 3542 | if (b < 0) | |||
| 3543 | log_unit_debug(u, "Failed to parse cgroup-realized bool %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3543, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse cgroup-realized bool %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3543, __func__, "Failed to parse cgroup-realized bool %s, ignoring." , v); }); | |||
| 3544 | else | |||
| 3545 | u->cgroup_realized = b; | |||
| 3546 | ||||
| 3547 | continue; | |||
| 3548 | ||||
| 3549 | } else if (streq(l, "cgroup-realized-mask")(strcmp((l),("cgroup-realized-mask")) == 0)) { | |||
| 3550 | ||||
| 3551 | r = cg_mask_from_string(v, &u->cgroup_realized_mask); | |||
| 3552 | if (r < 0) | |||
| 3553 | log_unit_debug(u, "Failed to parse cgroup-realized-mask %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3553, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse cgroup-realized-mask %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3553, __func__, "Failed to parse cgroup-realized-mask %s, ignoring." , v); }); | |||
| 3554 | continue; | |||
| 3555 | ||||
| 3556 | } else if (streq(l, "cgroup-enabled-mask")(strcmp((l),("cgroup-enabled-mask")) == 0)) { | |||
| 3557 | ||||
| 3558 | r = cg_mask_from_string(v, &u->cgroup_enabled_mask); | |||
| 3559 | if (r < 0) | |||
| 3560 | log_unit_debug(u, "Failed to parse cgroup-enabled-mask %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3560, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse cgroup-enabled-mask %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3560, __func__, "Failed to parse cgroup-enabled-mask %s, ignoring." , v); }); | |||
| 3561 | continue; | |||
| 3562 | ||||
| 3563 | } else if (streq(l, "cgroup-bpf-realized")(strcmp((l),("cgroup-bpf-realized")) == 0)) { | |||
| 3564 | int i; | |||
| 3565 | ||||
| 3566 | r = safe_atoi(v, &i); | |||
| 3567 | if (r < 0) | |||
| 3568 | log_unit_debug(u, "Failed to parse cgroup BPF state %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3568, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse cgroup BPF state %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3568, __func__, "Failed to parse cgroup BPF state %s, ignoring." , v); }); | |||
| 3569 | else | |||
| 3570 | u->cgroup_bpf_state = | |||
| 3571 | i < 0 ? UNIT_CGROUP_BPF_INVALIDATED : | |||
| 3572 | i > 0 ? UNIT_CGROUP_BPF_ON : | |||
| 3573 | UNIT_CGROUP_BPF_OFF; | |||
| 3574 | ||||
| 3575 | continue; | |||
| 3576 | ||||
| 3577 | } else if (streq(l, "ref-uid")(strcmp((l),("ref-uid")) == 0)) { | |||
| 3578 | uid_t uid; | |||
| 3579 | ||||
| 3580 | r = parse_uid(v, &uid); | |||
| 3581 | if (r < 0) | |||
| 3582 | log_unit_debug(u, "Failed to parse referenced UID %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3582, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse referenced UID %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3582, __func__, "Failed to parse referenced UID %s, ignoring." , v); }); | |||
| 3583 | else | |||
| 3584 | unit_ref_uid_gid(u, uid, GID_INVALID((gid_t) -1)); | |||
| 3585 | ||||
| 3586 | continue; | |||
| 3587 | ||||
| 3588 | } else if (streq(l, "ref-gid")(strcmp((l),("ref-gid")) == 0)) { | |||
| 3589 | gid_t gid; | |||
| 3590 | ||||
| 3591 | r = parse_gid(v, &gid); | |||
| 3592 | if (r < 0) | |||
| 3593 | log_unit_debug(u, "Failed to parse referenced GID %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3593, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse referenced GID %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3593, __func__, "Failed to parse referenced GID %s, ignoring." , v); }); | |||
| 3594 | else | |||
| 3595 | unit_ref_uid_gid(u, UID_INVALID((uid_t) -1), gid); | |||
| 3596 | ||||
| 3597 | } else if (streq(l, "ref")(strcmp((l),("ref")) == 0)) { | |||
| 3598 | ||||
| 3599 | r = strv_extend(&u->deserialized_refs, v); | |||
| 3600 | if (r < 0) | |||
| 3601 | log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 3601 , __func__); | |||
| 3602 | ||||
| 3603 | continue; | |||
| 3604 | } else if (streq(l, "invocation-id")(strcmp((l),("invocation-id")) == 0)) { | |||
| 3605 | sd_id128_t id; | |||
| 3606 | ||||
| 3607 | r = sd_id128_from_string(v, &id); | |||
| 3608 | if (r < 0) | |||
| 3609 | log_unit_debug(u, "Failed to parse invocation id %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3609, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse invocation id %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3609, __func__, "Failed to parse invocation id %s, ignoring." , v); }); | |||
| 3610 | else { | |||
| 3611 | r = unit_set_invocation_id(u, id); | |||
| 3612 | if (r < 0) | |||
| 3613 | log_unit_warning_errno(u, r, "Failed to set invocation ID for unit: %m")({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 3613, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to set invocation ID for unit: %m") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((4))), r, "../src/core/unit.c" , 3613, __func__, "Failed to set invocation ID for unit: %m") ; }); | |||
| 3614 | } | |||
| 3615 | ||||
| 3616 | continue; | |||
| 3617 | } else if (streq(l, "freezer-state")(strcmp((l),("freezer-state")) == 0)) { | |||
| 3618 | FreezerState s; | |||
| 3619 | ||||
| 3620 | s = freezer_state_from_string(v); | |||
| 3621 | if (s < 0) | |||
| 3622 | log_unit_debug(u, "Failed to deserialize freezer-state '%s', ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3622, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to deserialize freezer-state '%s', ignoring.", v) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))) , 0, "../src/core/unit.c", 3622, __func__, "Failed to deserialize freezer-state '%s', ignoring." , v); }); | |||
| 3623 | else | |||
| 3624 | u->freezer_state = s; | |||
| 3625 | ||||
| 3626 | continue; | |||
| 3627 | } | |||
| 3628 | ||||
| 3629 | /* Check if this is an IP accounting metric serialization field */ | |||
| 3630 | for (m = 0; m < _CGROUP_IP_ACCOUNTING_METRIC_MAX; m++) | |||
| 3631 | if (streq(l, ip_accounting_metric_field[m])(strcmp((l),(ip_accounting_metric_field[m])) == 0)) | |||
| 3632 | break; | |||
| 3633 | if (m < _CGROUP_IP_ACCOUNTING_METRIC_MAX) { | |||
| 3634 | uint64_t c; | |||
| 3635 | ||||
| 3636 | r = safe_atou64(v, &c); | |||
| 3637 | if (r < 0) | |||
| 3638 | log_unit_debug(u, "Failed to parse IP accounting value %s, ignoring.", v)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 3638, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to parse IP accounting value %s, ignoring.", v) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c" , 3638, __func__, "Failed to parse IP accounting value %s, ignoring." , v); }); | |||
| 3639 | else | |||
| 3640 | u->ip_accounting_extra[m] = c; | |||
| 3641 | continue; | |||
| 3642 | } | |||
| 3643 | ||||
| 3644 | if (unit_can_serialize(u)) { | |||
| 3645 | r = exec_runtime_deserialize_compat(u, l, v, fds); | |||
| 3646 | if (r < 0) { | |||
| 3647 | log_unit_warning(u, "Failed to deserialize runtime parameter '%s', ignoring.", l)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 3647, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to deserialize runtime parameter '%s', ignoring.", l ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4 ))), 0, "../src/core/unit.c", 3647, __func__, "Failed to deserialize runtime parameter '%s', ignoring." , l); }); | |||
| 3648 | continue; | |||
| 3649 | } | |||
| 3650 | ||||
| 3651 | /* Returns positive if key was handled by the call */ | |||
| 3652 | if (r > 0) | |||
| 3653 | continue; | |||
| 3654 | ||||
| 3655 | r = UNIT_VTABLE(u)unit_vtable[(u)->type]->deserialize_item(u, l, v, fds); | |||
| 3656 | if (r < 0) | |||
| 3657 | log_unit_warning(u, "Failed to deserialize unit parameter '%s', ignoring.", l)({ const Unit *_u = (u); _u ? log_object_internal(4, 0, "../src/core/unit.c" , 3657, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to deserialize unit parameter '%s', ignoring.", l) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))) , 0, "../src/core/unit.c", 3657, __func__, "Failed to deserialize unit parameter '%s', ignoring." , l); }); | |||
| 3658 | } | |||
| 3659 | } | |||
| 3660 | ||||
| 3661 | /* Versions before 228 did not carry a state change timestamp. In this case, take the current time. This is | |||
| 3662 | * useful, so that timeouts based on this timestamp don't trigger too early, and is in-line with the logic from | |||
| 3663 | * before 228 where the base for timeouts was not persistent across reboots. */ | |||
| 3664 | ||||
| 3665 | if (!dual_timestamp_is_set(&u->state_change_timestamp)) | |||
| 3666 | dual_timestamp_get(&u->state_change_timestamp); | |||
| 3667 | ||||
| 3668 | /* Let's make sure that everything that is deserialized also gets any potential new cgroup settings applied | |||
| 3669 | * after we are done. For that we invalidate anything already realized, so that we can realize it again. */ | |||
| 3670 | unit_invalidate_cgroup(u, _CGROUP_MASK_ALL); | |||
| 3671 | unit_invalidate_cgroup_bpf(u); | |||
| 3672 | ||||
| 3673 | return 0; | |||
| 3674 | } | |||
| 3675 | ||||
| 3676 | int unit_deserialize_skip(FILE *f) { | |||
| 3677 | int r; | |||
| 3678 | assert(f)do { if ((__builtin_expect(!!(!(f)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("f"), "../src/core/unit.c", 3678, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3679 | ||||
| 3680 | /* Skip serialized data for this unit. We don't know what it is. */ | |||
| 3681 | ||||
| 3682 | for (;;) { | |||
| 3683 | _cleanup_free___attribute__((cleanup(freep))) char *line = NULL((void*)0); | |||
| 3684 | char *l; | |||
| 3685 | ||||
| 3686 | r = read_line(f, LONG_LINE_MAX(1U*1024U*1024U), &line); | |||
| 3687 | if (r < 0) | |||
| 3688 | return log_error_errno(r, "Failed to read serialization line: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 | (_level)), _e , "../src/core/unit.c", 3688, __func__, "Failed to read serialization line: %m" ) : -abs(_e); }); | |||
| 3689 | if (r == 0) | |||
| 3690 | return 0; | |||
| 3691 | ||||
| 3692 | l = strstrip(line); | |||
| 3693 | ||||
| 3694 | /* End marker */ | |||
| 3695 | if (isempty(l)) | |||
| 3696 | return 1; | |||
| 3697 | } | |||
| 3698 | } | |||
| 3699 | ||||
| 3700 | int unit_add_node_dependency(Unit *u, const char *what, bool_Bool wants, UnitDependency dep, UnitDependencyMask mask) { | |||
| 3701 | Unit *device; | |||
| 3702 | _cleanup_free___attribute__((cleanup(freep))) char *e = NULL((void*)0); | |||
| 3703 | int r; | |||
| 3704 | ||||
| 3705 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3705, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3706 | ||||
| 3707 | /* Adds in links to the device node that this unit is based on */ | |||
| 3708 | if (isempty(what)) | |||
| 3709 | return 0; | |||
| 3710 | ||||
| 3711 | if (!is_device_path(what)) | |||
| 3712 | return 0; | |||
| 3713 | ||||
| 3714 | /* When device units aren't supported (such as in a | |||
| 3715 | * container), don't create dependencies on them. */ | |||
| 3716 | if (!unit_type_supported(UNIT_DEVICE)) | |||
| 3717 | return 0; | |||
| 3718 | ||||
| 3719 | r = unit_name_from_path(what, ".device", &e); | |||
| 3720 | if (r < 0) | |||
| 3721 | return r; | |||
| 3722 | ||||
| 3723 | r = manager_load_unit(u->manager, e, NULL((void*)0), NULL((void*)0), &device); | |||
| 3724 | if (r < 0) | |||
| 3725 | return r; | |||
| 3726 | ||||
| 3727 | if (dep == UNIT_REQUIRES && device_shall_be_bound_by(device, u)) | |||
| 3728 | dep = UNIT_BINDS_TO; | |||
| 3729 | ||||
| 3730 | r = unit_add_two_dependencies(u, UNIT_AFTER, | |||
| 3731 | MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM) ? dep : UNIT_WANTS, | |||
| 3732 | device, true1, mask); | |||
| 3733 | if (r < 0) | |||
| 3734 | return r; | |||
| 3735 | ||||
| 3736 | if (wants) { | |||
| 3737 | r = unit_add_dependency(device, UNIT_WANTS, u, false0, mask); | |||
| 3738 | if (r < 0) | |||
| 3739 | return r; | |||
| 3740 | } | |||
| 3741 | ||||
| 3742 | return 0; | |||
| 3743 | } | |||
| 3744 | ||||
| 3745 | int unit_coldplug(Unit *u) { | |||
| 3746 | int r = 0, q; | |||
| 3747 | char **i; | |||
| 3748 | Job *uj; | |||
| 3749 | ||||
| 3750 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3750, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3751 | ||||
| 3752 | /* Make sure we don't enter a loop, when coldplugging recursively. */ | |||
| 3753 | if (u->coldplugged) | |||
| 3754 | return 0; | |||
| 3755 | ||||
| 3756 | u->coldplugged = true1; | |||
| 3757 | ||||
| 3758 | STRV_FOREACH(i, u->deserialized_refs)for ((i) = (u->deserialized_refs); (i) && *(i); (i )++) { | |||
| 3759 | q = bus_unit_track_add_name(u, *i); | |||
| 3760 | if (q < 0 && r >= 0) | |||
| 3761 | r = q; | |||
| 3762 | } | |||
| 3763 | u->deserialized_refs = strv_free(u->deserialized_refs); | |||
| 3764 | ||||
| 3765 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->coldplug) { | |||
| 3766 | q = UNIT_VTABLE(u)unit_vtable[(u)->type]->coldplug(u); | |||
| 3767 | if (q < 0 && r >= 0) | |||
| 3768 | r = q; | |||
| 3769 | } | |||
| 3770 | ||||
| 3771 | uj = u->job ?: u->nop_job; | |||
| 3772 | if (uj) { | |||
| 3773 | q = job_coldplug(uj); | |||
| 3774 | if (q < 0 && r >= 0) | |||
| 3775 | r = q; | |||
| 3776 | } | |||
| 3777 | ||||
| 3778 | return r; | |||
| 3779 | } | |||
| 3780 | ||||
| 3781 | void unit_catchup(Unit *u) { | |||
| 3782 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3782, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3783 | ||||
| 3784 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->catchup) | |||
| 3785 | UNIT_VTABLE(u)unit_vtable[(u)->type]->catchup(u); | |||
| 3786 | } | |||
| 3787 | ||||
| 3788 | static bool_Bool fragment_mtime_newer(const char *path, usec_t mtime, bool_Bool path_masked) { | |||
| 3789 | struct stat st; | |||
| 3790 | ||||
| 3791 | if (!path) | |||
| 3792 | return false0; | |||
| 3793 | ||||
| 3794 | /* If the source is some virtual kernel file system, then we assume we watch it anyway, and hence pretend we | |||
| 3795 | * are never out-of-date. */ | |||
| 3796 | if (PATH_STARTSWITH_SET(path, "/proc", "/sys")({ char **s; _Bool _found = 0; for ((s) = (((char**) ((const char *[]) { "/proc", "/sys", ((void*)0) }))); (s) && *(s); (s)++) if (path_startswith(path, *s)) { _found = 1; break; } _found; })) | |||
| 3797 | return false0; | |||
| 3798 | ||||
| 3799 | if (stat(path, &st) < 0) | |||
| 3800 | /* What, cannot access this anymore? */ | |||
| 3801 | return true1; | |||
| 3802 | ||||
| 3803 | if (path_masked) | |||
| 3804 | /* For masked files check if they are still so */ | |||
| 3805 | return !null_or_empty(&st); | |||
| 3806 | else | |||
| 3807 | /* For non-empty files check the mtime */ | |||
| 3808 | return timespec_load(&st.st_mtim) > mtime; | |||
| 3809 | ||||
| 3810 | return false0; | |||
| 3811 | } | |||
| 3812 | ||||
| 3813 | bool_Bool unit_need_daemon_reload(Unit *u) { | |||
| 3814 | _cleanup_strv_free___attribute__((cleanup(strv_freep))) char **t = NULL((void*)0); | |||
| 3815 | char **path; | |||
| 3816 | ||||
| 3817 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3817, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3818 | ||||
| 3819 | /* For unit files, we allow masking… */ | |||
| 3820 | if (fragment_mtime_newer(u->fragment_path, u->fragment_mtime, | |||
| 3821 | u->load_state == UNIT_MASKED)) | |||
| 3822 | return true1; | |||
| 3823 | ||||
| 3824 | /* Source paths should not be masked… */ | |||
| 3825 | if (fragment_mtime_newer(u->source_path, u->source_mtime, false0)) | |||
| 3826 | return true1; | |||
| 3827 | ||||
| 3828 | if (u->load_state == UNIT_LOADED) | |||
| 3829 | (void) unit_find_dropin_paths(u, &t); | |||
| 3830 | if (!strv_equal(u->dropin_paths, t)) | |||
| 3831 | return true1; | |||
| 3832 | ||||
| 3833 | /* … any drop-ins that are masked are simply omitted from the list. */ | |||
| 3834 | STRV_FOREACH(path, u->dropin_paths)for ((path) = (u->dropin_paths); (path) && *(path) ; (path)++) | |||
| 3835 | if (fragment_mtime_newer(*path, u->dropin_mtime, false0)) | |||
| 3836 | return true1; | |||
| 3837 | ||||
| 3838 | return false0; | |||
| 3839 | } | |||
| 3840 | ||||
| 3841 | void unit_reset_failed(Unit *u) { | |||
| 3842 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3842, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3843 | ||||
| 3844 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->reset_failed) | |||
| 3845 | UNIT_VTABLE(u)unit_vtable[(u)->type]->reset_failed(u); | |||
| 3846 | ||||
| 3847 | RATELIMIT_RESET(u->start_limit)do { RateLimit *_r = &(u->start_limit); _r->num = 0 ; _r->begin = 0; } while (0); | |||
| 3848 | u->start_limit_hit = false0; | |||
| 3849 | } | |||
| 3850 | ||||
| 3851 | Unit *unit_following(Unit *u) { | |||
| 3852 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3852, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3853 | ||||
| 3854 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->following) | |||
| 3855 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->following(u); | |||
| 3856 | ||||
| 3857 | return NULL((void*)0); | |||
| 3858 | } | |||
| 3859 | ||||
| 3860 | bool_Bool unit_stop_pending(Unit *u) { | |||
| 3861 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3861, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3862 | ||||
| 3863 | /* This call does check the current state of the unit. It's | |||
| 3864 | * hence useful to be called from state change calls of the | |||
| 3865 | * unit itself, where the state isn't updated yet. This is | |||
| 3866 | * different from unit_inactive_or_pending() which checks both | |||
| 3867 | * the current state and for a queued job. */ | |||
| 3868 | ||||
| 3869 | return u->job && u->job->type == JOB_STOP; | |||
| 3870 | } | |||
| 3871 | ||||
| 3872 | bool_Bool unit_inactive_or_pending(Unit *u) { | |||
| 3873 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3873, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3874 | ||||
| 3875 | /* Returns true if the unit is inactive or going down */ | |||
| 3876 | ||||
| 3877 | if (UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u))) | |||
| 3878 | return true1; | |||
| 3879 | ||||
| 3880 | if (unit_stop_pending(u)) | |||
| 3881 | return true1; | |||
| 3882 | ||||
| 3883 | return false0; | |||
| 3884 | } | |||
| 3885 | ||||
| 3886 | bool_Bool unit_active_or_pending(Unit *u) { | |||
| 3887 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3887, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3888 | ||||
| 3889 | /* Returns true if the unit is active or going up */ | |||
| 3890 | ||||
| 3891 | if (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) | |||
| 3892 | return true1; | |||
| 3893 | ||||
| 3894 | if (u->job && | |||
| 3895 | IN_SET(u->job->type, JOB_START, JOB_RELOAD_OR_START, JOB_RESTART)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){JOB_START, JOB_RELOAD_OR_START, JOB_RESTART })/sizeof(int)]; switch(u->job->type) { case JOB_START: case JOB_RELOAD_OR_START: case JOB_RESTART: _found = 1; break ; default: break; } _found; })) | |||
| 3896 | return true1; | |||
| 3897 | ||||
| 3898 | return false0; | |||
| 3899 | } | |||
| 3900 | ||||
| 3901 | bool_Bool unit_will_restart(Unit *u) { | |||
| 3902 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3902, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3903 | ||||
| 3904 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->will_restart) | |||
| 3905 | return false0; | |||
| 3906 | ||||
| 3907 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->will_restart(u); | |||
| 3908 | } | |||
| 3909 | ||||
| 3910 | int unit_kill(Unit *u, KillWho w, int signo, sd_bus_error *error) { | |||
| 3911 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 3911, __PRETTY_FUNCTION__ ); } while (0); | |||
| 3912 | assert(w >= 0 && w < _KILL_WHO_MAX)do { if ((__builtin_expect(!!(!(w >= 0 && w < _KILL_WHO_MAX )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("w >= 0 && w < _KILL_WHO_MAX" ), "../src/core/unit.c", 3912, __PRETTY_FUNCTION__); } while ( 0); | |||
| 3913 | assert(SIGNAL_VALID(signo))do { if ((__builtin_expect(!!(!(SIGNAL_VALID(signo))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("SIGNAL_VALID(signo)"), "../src/core/unit.c" , 3913, __PRETTY_FUNCTION__); } while (0); | |||
| 3914 | ||||
| 3915 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->kill) | |||
| 3916 | return -EOPNOTSUPP95; | |||
| 3917 | ||||
| 3918 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->kill(u, w, signo, error); | |||
| 3919 | } | |||
| 3920 | ||||
| 3921 | static Set *unit_pid_set(pid_t main_pid, pid_t control_pid) { | |||
| 3922 | _cleanup_set_free___attribute__((cleanup(set_freep))) Set *pid_set = NULL((void*)0); | |||
| 3923 | int r; | |||
| 3924 | ||||
| 3925 | pid_set = set_new(NULL)internal_set_new(((void*)0) ); | |||
| 3926 | if (!pid_set) | |||
| 3927 | return NULL((void*)0); | |||
| 3928 | ||||
| 3929 | /* Exclude the main/control pids from being killed via the cgroup */ | |||
| 3930 | if (main_pid > 0) { | |||
| 3931 | r = set_put(pid_set, PID_TO_PTR(main_pid)); | |||
| 3932 | if (r < 0) | |||
| 3933 | return NULL((void*)0); | |||
| 3934 | } | |||
| 3935 | ||||
| 3936 | if (control_pid > 0) { | |||
| 3937 | r = set_put(pid_set, PID_TO_PTR(control_pid)); | |||
| 3938 | if (r < 0) | |||
| 3939 | return NULL((void*)0); | |||
| 3940 | } | |||
| 3941 | ||||
| 3942 | return TAKE_PTR(pid_set)({ typeof(pid_set) _ptr_ = (pid_set); (pid_set) = ((void*)0); _ptr_; }); | |||
| 3943 | } | |||
| 3944 | ||||
| 3945 | int unit_kill_common( | |||
| 3946 | Unit *u, | |||
| 3947 | KillWho who, | |||
| 3948 | int signo, | |||
| 3949 | pid_t main_pid, | |||
| 3950 | pid_t control_pid, | |||
| 3951 | sd_bus_error *error) { | |||
| 3952 | ||||
| 3953 | int r = 0; | |||
| 3954 | bool_Bool killed = false0; | |||
| 3955 | ||||
| 3956 | if (IN_SET(who, KILL_MAIN, KILL_MAIN_FAIL)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_MAIN, KILL_MAIN_FAIL})/sizeof(int)] ; switch(who) { case KILL_MAIN: case KILL_MAIN_FAIL: _found = 1; break; default: break; } _found; })) { | |||
| 3957 | if (main_pid < 0) | |||
| 3958 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PROCESS"org.freedesktop.systemd1.NoSuchProcess", "%s units have no main processes", unit_type_to_string(u->type)); | |||
| 3959 | else if (main_pid == 0) | |||
| 3960 | return sd_bus_error_set_const(error, BUS_ERROR_NO_SUCH_PROCESS"org.freedesktop.systemd1.NoSuchProcess", "No main process to kill"); | |||
| 3961 | } | |||
| 3962 | ||||
| 3963 | if (IN_SET(who, KILL_CONTROL, KILL_CONTROL_FAIL)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_CONTROL, KILL_CONTROL_FAIL})/sizeof (int)]; switch(who) { case KILL_CONTROL: case KILL_CONTROL_FAIL : _found = 1; break; default: break; } _found; })) { | |||
| 3964 | if (control_pid < 0) | |||
| 3965 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PROCESS"org.freedesktop.systemd1.NoSuchProcess", "%s units have no control processes", unit_type_to_string(u->type)); | |||
| 3966 | else if (control_pid == 0) | |||
| 3967 | return sd_bus_error_set_const(error, BUS_ERROR_NO_SUCH_PROCESS"org.freedesktop.systemd1.NoSuchProcess", "No control process to kill"); | |||
| 3968 | } | |||
| 3969 | ||||
| 3970 | if (IN_SET(who, KILL_CONTROL, KILL_CONTROL_FAIL, KILL_ALL, KILL_ALL_FAIL)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_CONTROL, KILL_CONTROL_FAIL, KILL_ALL , KILL_ALL_FAIL})/sizeof(int)]; switch(who) { case KILL_CONTROL : case KILL_CONTROL_FAIL: case KILL_ALL: case KILL_ALL_FAIL: _found = 1; break; default: break; } _found; })) | |||
| 3971 | if (control_pid > 0) { | |||
| 3972 | if (kill(control_pid, signo) < 0) | |||
| 3973 | r = -errno(*__errno_location ()); | |||
| 3974 | else | |||
| 3975 | killed = true1; | |||
| 3976 | } | |||
| 3977 | ||||
| 3978 | if (IN_SET(who, KILL_MAIN, KILL_MAIN_FAIL, KILL_ALL, KILL_ALL_FAIL)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_MAIN, KILL_MAIN_FAIL, KILL_ALL, KILL_ALL_FAIL })/sizeof(int)]; switch(who) { case KILL_MAIN: case KILL_MAIN_FAIL : case KILL_ALL: case KILL_ALL_FAIL: _found = 1; break; default : break; } _found; })) | |||
| 3979 | if (main_pid > 0) { | |||
| 3980 | if (kill(main_pid, signo) < 0) | |||
| 3981 | r = -errno(*__errno_location ()); | |||
| 3982 | else | |||
| 3983 | killed = true1; | |||
| 3984 | } | |||
| 3985 | ||||
| 3986 | if (IN_SET(who, KILL_ALL, KILL_ALL_FAIL)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_ALL, KILL_ALL_FAIL})/sizeof(int)]; switch (who) { case KILL_ALL: case KILL_ALL_FAIL: _found = 1; break; default: break; } _found; }) && u->cgroup_path) { | |||
| 3987 | _cleanup_set_free___attribute__((cleanup(set_freep))) Set *pid_set = NULL((void*)0); | |||
| 3988 | int q; | |||
| 3989 | ||||
| 3990 | /* Exclude the main/control pids from being killed via the cgroup */ | |||
| 3991 | pid_set = unit_pid_set(main_pid, control_pid); | |||
| 3992 | if (!pid_set) | |||
| 3993 | return -ENOMEM12; | |||
| 3994 | ||||
| 3995 | q = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER"_systemd", u->cgroup_path, signo, 0, pid_set, NULL((void*)0), NULL((void*)0)); | |||
| 3996 | if (q < 0 && !IN_SET(q, -EAGAIN, -ESRCH, -ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-11, -3, -2})/sizeof(int)]; switch(q) { case -11: case -3: case -2: _found = 1; break; default: break; } _found ; })) | |||
| 3997 | r = q; | |||
| 3998 | else | |||
| 3999 | killed = true1; | |||
| 4000 | } | |||
| 4001 | ||||
| 4002 | if (r == 0 && !killed && IN_SET(who, KILL_ALL_FAIL, KILL_CONTROL_FAIL)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_ALL_FAIL, KILL_CONTROL_FAIL})/sizeof (int)]; switch(who) { case KILL_ALL_FAIL: case KILL_CONTROL_FAIL : _found = 1; break; default: break; } _found; })) | |||
| 4003 | return -ESRCH3; | |||
| 4004 | ||||
| 4005 | return r; | |||
| 4006 | } | |||
| 4007 | ||||
| 4008 | int unit_following_set(Unit *u, Set **s) { | |||
| 4009 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4009, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4010 | assert(s)do { if ((__builtin_expect(!!(!(s)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("s"), "../src/core/unit.c", 4010, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4011 | ||||
| 4012 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->following_set) | |||
| 4013 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->following_set(u, s); | |||
| 4014 | ||||
| 4015 | *s = NULL((void*)0); | |||
| 4016 | return 0; | |||
| 4017 | } | |||
| 4018 | ||||
| 4019 | UnitFileState unit_get_unit_file_state(Unit *u) { | |||
| 4020 | int r; | |||
| 4021 | ||||
| 4022 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4022, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4023 | ||||
| 4024 | if (u->unit_file_state < 0 && u->fragment_path) { | |||
| 4025 | r = unit_file_get_state( | |||
| 4026 | u->manager->unit_file_scope, | |||
| 4027 | NULL((void*)0), | |||
| 4028 | u->id, | |||
| 4029 | &u->unit_file_state); | |||
| 4030 | if (r < 0) | |||
| 4031 | u->unit_file_state = UNIT_FILE_BAD; | |||
| 4032 | } | |||
| 4033 | ||||
| 4034 | return u->unit_file_state; | |||
| 4035 | } | |||
| 4036 | ||||
| 4037 | int unit_get_unit_file_preset(Unit *u) { | |||
| 4038 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4038, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4039 | ||||
| 4040 | if (u->unit_file_preset < 0 && u->fragment_path) | |||
| 4041 | u->unit_file_preset = unit_file_query_preset( | |||
| 4042 | u->manager->unit_file_scope, | |||
| 4043 | NULL((void*)0), | |||
| 4044 | basename(u->fragment_path)); | |||
| 4045 | ||||
| 4046 | return u->unit_file_preset; | |||
| 4047 | } | |||
| 4048 | ||||
| 4049 | Unit* unit_ref_set(UnitRef *ref, Unit *source, Unit *target) { | |||
| 4050 | assert(ref)do { if ((__builtin_expect(!!(!(ref)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ref"), "../src/core/unit.c", 4050, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4051 | assert(source)do { if ((__builtin_expect(!!(!(source)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("source"), "../src/core/unit.c", 4051, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4052 | assert(target)do { if ((__builtin_expect(!!(!(target)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("target"), "../src/core/unit.c", 4052, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4053 | ||||
| 4054 | if (ref->target) | |||
| 4055 | unit_ref_unset(ref); | |||
| 4056 | ||||
| 4057 | ref->source = source; | |||
| 4058 | ref->target = target; | |||
| 4059 | LIST_PREPEND(refs_by_target, target->refs_by_target, ref)do { typeof(*(target->refs_by_target)) **_head = &(target ->refs_by_target), *_item = (ref); do { if ((__builtin_expect (!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("_item"), "../src/core/unit.c", 4059, __PRETTY_FUNCTION__); } while (0); if ((_item->refs_by_target_next = *_head)) _item ->refs_by_target_next->refs_by_target_prev = _item; _item ->refs_by_target_prev = ((void*)0); *_head = _item; } while (0); | |||
| 4060 | return target; | |||
| 4061 | } | |||
| 4062 | ||||
| 4063 | void unit_ref_unset(UnitRef *ref) { | |||
| 4064 | assert(ref)do { if ((__builtin_expect(!!(!(ref)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ref"), "../src/core/unit.c", 4064, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4065 | ||||
| 4066 | if (!ref->target) | |||
| 4067 | return; | |||
| 4068 | ||||
| 4069 | /* We are about to drop a reference to the unit, make sure the garbage collection has a look at it as it might | |||
| 4070 | * be unreferenced now. */ | |||
| 4071 | unit_add_to_gc_queue(ref->target); | |||
| 4072 | ||||
| 4073 | LIST_REMOVE(refs_by_target, ref->target->refs_by_target, ref)do { typeof(*(ref->target->refs_by_target)) **_head = & (ref->target->refs_by_target), *_item = (ref); do { if ( (__builtin_expect(!!(!(_item)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("_item"), "../src/core/unit.c", 4073, __PRETTY_FUNCTION__) ; } while (0); if (_item->refs_by_target_next) _item->refs_by_target_next ->refs_by_target_prev = _item->refs_by_target_prev; if ( _item->refs_by_target_prev) _item->refs_by_target_prev-> refs_by_target_next = _item->refs_by_target_next; else { do { if ((__builtin_expect(!!(!(*_head == _item)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("*_head == _item"), "../src/core/unit.c" , 4073, __PRETTY_FUNCTION__); } while (0); *_head = _item-> refs_by_target_next; } _item->refs_by_target_next = _item-> refs_by_target_prev = ((void*)0); } while (0); | |||
| 4074 | ref->source = ref->target = NULL((void*)0); | |||
| 4075 | } | |||
| 4076 | ||||
| 4077 | static int user_from_unit_name(Unit *u, char **ret) { | |||
| 4078 | ||||
| 4079 | static const uint8_t hash_key[] = { | |||
| 4080 | 0x58, 0x1a, 0xaf, 0xe6, 0x28, 0x58, 0x4e, 0x96, | |||
| 4081 | 0xb4, 0x4e, 0xf5, 0x3b, 0x8c, 0x92, 0x07, 0xec | |||
| 4082 | }; | |||
| 4083 | ||||
| 4084 | _cleanup_free___attribute__((cleanup(freep))) char *n = NULL((void*)0); | |||
| 4085 | int r; | |||
| 4086 | ||||
| 4087 | r = unit_name_to_prefix(u->id, &n); | |||
| 4088 | if (r < 0) | |||
| 4089 | return r; | |||
| 4090 | ||||
| 4091 | if (valid_user_group_name(n, 0)) { | |||
| 4092 | *ret = TAKE_PTR(n)({ typeof(n) _ptr_ = (n); (n) = ((void*)0); _ptr_; }); | |||
| 4093 | return 0; | |||
| 4094 | } | |||
| 4095 | ||||
| 4096 | /* If we can't use the unit name as a user name, then let's hash it and use that */ | |||
| 4097 | if (asprintf(ret, "_du%016" PRIx64"l" "x", siphash24(n, strlen(n), hash_key)) < 0) | |||
| 4098 | return -ENOMEM12; | |||
| 4099 | ||||
| 4100 | return 0; | |||
| 4101 | } | |||
| 4102 | ||||
| 4103 | int unit_patch_contexts(Unit *u) { | |||
| 4104 | CGroupContext *cc; | |||
| 4105 | ExecContext *ec; | |||
| 4106 | unsigned i; | |||
| 4107 | int r; | |||
| 4108 | ||||
| 4109 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4109, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4110 | ||||
| 4111 | /* Patch in the manager defaults into the exec and cgroup | |||
| 4112 | * contexts, _after_ the rest of the settings have been | |||
| 4113 | * initialized */ | |||
| 4114 | ||||
| 4115 | ec = unit_get_exec_context(u); | |||
| 4116 | if (ec) { | |||
| 4117 | /* This only copies in the ones that need memory */ | |||
| 4118 | for (i = 0; i < _RLIMIT_MAX(__RLIMIT_RTTIME+1 > __RLIMIT_NLIMITS ? __RLIMIT_RTTIME+1 : __RLIMIT_NLIMITS); i++) | |||
| 4119 | if (u->manager->rlimit[i] && !ec->rlimit[i]) { | |||
| 4120 | ec->rlimit[i] = newdup(struct rlimit, u->manager->rlimit[i], 1)((struct rlimit*) memdup_multiply(u->manager->rlimit[i] , sizeof(struct rlimit), (1))); | |||
| 4121 | if (!ec->rlimit[i]) | |||
| 4122 | return -ENOMEM12; | |||
| 4123 | } | |||
| 4124 | ||||
| 4125 | if (MANAGER_IS_USER(u->manager)((u->manager)->unit_file_scope != UNIT_FILE_SYSTEM) && | |||
| 4126 | !ec->working_directory) { | |||
| 4127 | ||||
| 4128 | r = get_home_dir(&ec->working_directory); | |||
| 4129 | if (r < 0) | |||
| 4130 | return r; | |||
| 4131 | ||||
| 4132 | /* Allow user services to run, even if the | |||
| 4133 | * home directory is missing */ | |||
| 4134 | ec->working_directory_missing_ok = true1; | |||
| 4135 | } | |||
| 4136 | ||||
| 4137 | if (ec->private_devices) | |||
| 4138 | ec->capability_bounding_set &= ~((UINT64_C(1)1UL << CAP_MKNOD27) | (UINT64_C(1)1UL << CAP_SYS_RAWIO17)); | |||
| 4139 | ||||
| 4140 | if (ec->protect_kernel_modules) | |||
| 4141 | ec->capability_bounding_set &= ~(UINT64_C(1)1UL << CAP_SYS_MODULE16); | |||
| 4142 | ||||
| 4143 | if (ec->dynamic_user) { | |||
| 4144 | if (!ec->user) { | |||
| 4145 | r = user_from_unit_name(u, &ec->user); | |||
| 4146 | if (r < 0) | |||
| 4147 | return r; | |||
| 4148 | } | |||
| 4149 | ||||
| 4150 | if (!ec->group) { | |||
| 4151 | ec->group = strdup(ec->user); | |||
| 4152 | if (!ec->group) | |||
| 4153 | return -ENOMEM12; | |||
| 4154 | } | |||
| 4155 | ||||
| 4156 | /* If the dynamic user option is on, let's make sure that the unit can't leave its | |||
| 4157 | * UID/GID around in the file system or on IPC objects. Hence enforce a strict | |||
| 4158 | * sandbox. */ | |||
| 4159 | ||||
| 4160 | ec->private_tmp = true1; | |||
| 4161 | ec->remove_ipc = true1; | |||
| 4162 | ec->protect_system = PROTECT_SYSTEM_STRICT; | |||
| 4163 | if (ec->protect_home == PROTECT_HOME_NO) | |||
| 4164 | ec->protect_home = PROTECT_HOME_READ_ONLY; | |||
| 4165 | ||||
| 4166 | /* Make sure this service can neither benefit from SUID/SGID binaries nor create | |||
| 4167 | * them. */ | |||
| 4168 | ec->no_new_privileges = true1; | |||
| 4169 | ec->restrict_suid_sgid = true1; | |||
| 4170 | } | |||
| 4171 | } | |||
| 4172 | ||||
| 4173 | cc = unit_get_cgroup_context(u); | |||
| 4174 | if (cc) { | |||
| 4175 | ||||
| 4176 | if (ec && | |||
| 4177 | ec->private_devices && | |||
| 4178 | cc->device_policy == CGROUP_AUTO) | |||
| 4179 | cc->device_policy = CGROUP_CLOSED; | |||
| 4180 | } | |||
| 4181 | ||||
| 4182 | return 0; | |||
| 4183 | } | |||
| 4184 | ||||
| 4185 | ExecContext *unit_get_exec_context(Unit *u) { | |||
| 4186 | size_t offset; | |||
| 4187 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4187, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4188 | ||||
| 4189 | if (u->type < 0) | |||
| 4190 | return NULL((void*)0); | |||
| 4191 | ||||
| 4192 | offset = UNIT_VTABLE(u)unit_vtable[(u)->type]->exec_context_offset; | |||
| 4193 | if (offset <= 0) | |||
| 4194 | return NULL((void*)0); | |||
| 4195 | ||||
| 4196 | return (ExecContext*) ((uint8_t*) u + offset); | |||
| 4197 | } | |||
| 4198 | ||||
| 4199 | KillContext *unit_get_kill_context(Unit *u) { | |||
| 4200 | size_t offset; | |||
| 4201 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4201, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4202 | ||||
| 4203 | if (u->type < 0) | |||
| 4204 | return NULL((void*)0); | |||
| 4205 | ||||
| 4206 | offset = UNIT_VTABLE(u)unit_vtable[(u)->type]->kill_context_offset; | |||
| 4207 | if (offset <= 0) | |||
| 4208 | return NULL((void*)0); | |||
| 4209 | ||||
| 4210 | return (KillContext*) ((uint8_t*) u + offset); | |||
| 4211 | } | |||
| 4212 | ||||
| 4213 | CGroupContext *unit_get_cgroup_context(Unit *u) { | |||
| 4214 | size_t offset; | |||
| 4215 | ||||
| 4216 | if (u->type < 0) | |||
| 4217 | return NULL((void*)0); | |||
| 4218 | ||||
| 4219 | offset = UNIT_VTABLE(u)unit_vtable[(u)->type]->cgroup_context_offset; | |||
| 4220 | if (offset <= 0) | |||
| 4221 | return NULL((void*)0); | |||
| 4222 | ||||
| 4223 | return (CGroupContext*) ((uint8_t*) u + offset); | |||
| 4224 | } | |||
| 4225 | ||||
| 4226 | ExecRuntime *unit_get_exec_runtime(Unit *u) { | |||
| 4227 | size_t offset; | |||
| 4228 | ||||
| 4229 | if (u->type < 0) | |||
| 4230 | return NULL((void*)0); | |||
| 4231 | ||||
| 4232 | offset = UNIT_VTABLE(u)unit_vtable[(u)->type]->exec_runtime_offset; | |||
| 4233 | if (offset <= 0) | |||
| 4234 | return NULL((void*)0); | |||
| 4235 | ||||
| 4236 | return *(ExecRuntime**) ((uint8_t*) u + offset); | |||
| 4237 | } | |||
| 4238 | ||||
| 4239 | static const char* unit_drop_in_dir(Unit *u, UnitWriteFlags flags) { | |||
| 4240 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4240, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4241 | ||||
| 4242 | if (UNIT_WRITE_FLAGS_NOOP(flags)(((flags) & (UNIT_RUNTIME|UNIT_PERSISTENT)) == 0)) | |||
| 4243 | return NULL((void*)0); | |||
| 4244 | ||||
| 4245 | if (u->transient) /* Redirect drop-ins for transient units always into the transient directory. */ | |||
| 4246 | return u->manager->lookup_paths.transient; | |||
| 4247 | ||||
| 4248 | if (flags & UNIT_PERSISTENT) | |||
| 4249 | return u->manager->lookup_paths.persistent_control; | |||
| 4250 | ||||
| 4251 | if (flags & UNIT_RUNTIME) | |||
| 4252 | return u->manager->lookup_paths.runtime_control; | |||
| 4253 | ||||
| 4254 | return NULL((void*)0); | |||
| 4255 | } | |||
| 4256 | ||||
| 4257 | char* unit_escape_setting(const char *s, UnitWriteFlags flags, char **buf) { | |||
| 4258 | char *ret = NULL((void*)0); | |||
| 4259 | ||||
| 4260 | if (!s) | |||
| 4261 | return NULL((void*)0); | |||
| 4262 | ||||
| 4263 | /* Escapes the input string as requested. Returns the escaped string. If 'buf' is specified then the allocated | |||
| 4264 | * return buffer pointer is also written to *buf, except if no escaping was necessary, in which case *buf is | |||
| 4265 | * set to NULL, and the input pointer is returned as-is. This means the return value always contains a properly | |||
| 4266 | * escaped version, but *buf when passed only contains a pointer if an allocation was necessary. If *buf is | |||
| 4267 | * not specified, then the return value always needs to be freed. Callers can use this to optimize memory | |||
| 4268 | * allocations. */ | |||
| 4269 | ||||
| 4270 | if (flags & UNIT_ESCAPE_SPECIFIERS) { | |||
| 4271 | ret = specifier_escape(s); | |||
| 4272 | if (!ret) | |||
| 4273 | return NULL((void*)0); | |||
| 4274 | ||||
| 4275 | s = ret; | |||
| 4276 | } | |||
| 4277 | ||||
| 4278 | if (flags & UNIT_ESCAPE_C) { | |||
| 4279 | char *a; | |||
| 4280 | ||||
| 4281 | a = cescape(s); | |||
| 4282 | free(ret); | |||
| 4283 | if (!a) | |||
| 4284 | return NULL((void*)0); | |||
| 4285 | ||||
| 4286 | ret = a; | |||
| 4287 | } | |||
| 4288 | ||||
| 4289 | if (buf) { | |||
| 4290 | *buf = ret; | |||
| 4291 | return ret ?: (char*) s; | |||
| 4292 | } | |||
| 4293 | ||||
| 4294 | return ret ?: strdup(s); | |||
| 4295 | } | |||
| 4296 | ||||
| 4297 | char* unit_concat_strv(char **l, UnitWriteFlags flags) { | |||
| 4298 | _cleanup_free___attribute__((cleanup(freep))) char *result = NULL((void*)0); | |||
| 4299 | size_t n = 0, allocated = 0; | |||
| 4300 | char **i; | |||
| 4301 | ||||
| 4302 | /* Takes a list of strings, escapes them, and concatenates them. This may be used to format command lines in a | |||
| 4303 | * way suitable for ExecStart= stanzas */ | |||
| 4304 | ||||
| 4305 | STRV_FOREACH(i, l)for ((i) = (l); (i) && *(i); (i)++) { | |||
| 4306 | _cleanup_free___attribute__((cleanup(freep))) char *buf = NULL((void*)0); | |||
| 4307 | const char *p; | |||
| 4308 | size_t a; | |||
| 4309 | char *q; | |||
| 4310 | ||||
| 4311 | p = unit_escape_setting(*i, flags, &buf); | |||
| 4312 | if (!p) | |||
| 4313 | return NULL((void*)0); | |||
| 4314 | ||||
| 4315 | a = (n > 0) + 1 + strlen(p) + 1; /* separating space + " + entry + " */ | |||
| 4316 | if (!GREEDY_REALLOC(result, allocated, n + a + 1)greedy_realloc((void**) &(result), &(allocated), (n + a + 1), sizeof((result)[0]))) | |||
| 4317 | return NULL((void*)0); | |||
| 4318 | ||||
| 4319 | q = result + n; | |||
| 4320 | if (n > 0) | |||
| 4321 | *(q++) = ' '; | |||
| 4322 | ||||
| 4323 | *(q++) = '"'; | |||
| 4324 | q = stpcpy(q, p); | |||
| 4325 | *(q++) = '"'; | |||
| 4326 | ||||
| 4327 | n += a; | |||
| 4328 | } | |||
| 4329 | ||||
| 4330 | if (!GREEDY_REALLOC(result, allocated, n + 1)greedy_realloc((void**) &(result), &(allocated), (n + 1), sizeof((result)[0]))) | |||
| 4331 | return NULL((void*)0); | |||
| 4332 | ||||
| 4333 | result[n] = 0; | |||
| 4334 | ||||
| 4335 | return TAKE_PTR(result)({ typeof(result) _ptr_ = (result); (result) = ((void*)0); _ptr_ ; }); | |||
| 4336 | } | |||
| 4337 | ||||
| 4338 | int unit_write_setting(Unit *u, UnitWriteFlags flags, const char *name, const char *data) { | |||
| 4339 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0), *q = NULL((void*)0), *escaped = NULL((void*)0); | |||
| 4340 | const char *dir, *wrapped; | |||
| 4341 | int r; | |||
| 4342 | ||||
| 4343 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4343, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4344 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 4344, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4345 | assert(data)do { if ((__builtin_expect(!!(!(data)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("data"), "../src/core/unit.c", 4345, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4346 | ||||
| 4347 | if (UNIT_WRITE_FLAGS_NOOP(flags)(((flags) & (UNIT_RUNTIME|UNIT_PERSISTENT)) == 0)) | |||
| 4348 | return 0; | |||
| 4349 | ||||
| 4350 | data = unit_escape_setting(data, flags, &escaped); | |||
| 4351 | if (!data) | |||
| 4352 | return -ENOMEM12; | |||
| 4353 | ||||
| 4354 | /* Prefix the section header. If we are writing this out as transient file, then let's suppress this if the | |||
| 4355 | * previous section header is the same */ | |||
| 4356 | ||||
| 4357 | if (flags & UNIT_PRIVATE) { | |||
| 4358 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->private_section) | |||
| 4359 | return -EINVAL22; | |||
| 4360 | ||||
| 4361 | if (!u->transient_file || u->last_section_private < 0) | |||
| 4362 | data = strjoina("[", UNIT_VTABLE(u)->private_section, "]\n", data)({ const char *_appendees_[] = { "[", unit_vtable[(u)->type ]->private_section, "]\n", data }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ ( __builtin_choose_expr( !__builtin_types_compatible_p(typeof(_appendees_ ), typeof(&*(_appendees_))), sizeof(_appendees_)/sizeof(( _appendees_)[0]), ((void)0))) && _appendees_[_i_]; _i_ ++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 4363 | else if (u->last_section_private == 0) | |||
| 4364 | data = strjoina("\n[", UNIT_VTABLE(u)->private_section, "]\n", data)({ const char *_appendees_[] = { "\n[", unit_vtable[(u)->type ]->private_section, "]\n", data }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ ( __builtin_choose_expr( !__builtin_types_compatible_p(typeof(_appendees_ ), typeof(&*(_appendees_))), sizeof(_appendees_)/sizeof(( _appendees_)[0]), ((void)0))) && _appendees_[_i_]; _i_ ++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 4365 | } else { | |||
| 4366 | if (!u->transient_file || u->last_section_private < 0) | |||
| 4367 | data = strjoina("[Unit]\n", data)({ const char *_appendees_[] = { "[Unit]\n", data }; char *_d_ , *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 4368 | else if (u->last_section_private > 0) | |||
| 4369 | data = strjoina("\n[Unit]\n", data)({ const char *_appendees_[] = { "\n[Unit]\n", data }; char * _d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 4370 | } | |||
| 4371 | ||||
| 4372 | if (u->transient_file) { | |||
| 4373 | /* When this is a transient unit file in creation, then let's not create a new drop-in but instead | |||
| 4374 | * write to the transient unit file. */ | |||
| 4375 | fputs(data, u->transient_file); | |||
| 4376 | ||||
| 4377 | if (!endswith(data, "\n")) | |||
| 4378 | fputc('\n', u->transient_file); | |||
| 4379 | ||||
| 4380 | /* Remember which section we wrote this entry to */ | |||
| 4381 | u->last_section_private = !!(flags & UNIT_PRIVATE); | |||
| 4382 | return 0; | |||
| 4383 | } | |||
| 4384 | ||||
| 4385 | dir = unit_drop_in_dir(u, flags); | |||
| 4386 | if (!dir) | |||
| 4387 | return -EINVAL22; | |||
| 4388 | ||||
| 4389 | wrapped = strjoina("# This is a drop-in unit file extension, created via \"systemctl set-property\"\n"({ const char *_appendees_[] = { "# This is a drop-in unit file extension, created via \"systemctl set-property\"\n" "# or an equivalent operation. Do not edit.\n", data, "\n" } ; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0 ; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 4390 | "# or an equivalent operation. Do not edit.\n",({ const char *_appendees_[] = { "# This is a drop-in unit file extension, created via \"systemctl set-property\"\n" "# or an equivalent operation. Do not edit.\n", data, "\n" } ; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0 ; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 4391 | data,({ const char *_appendees_[] = { "# This is a drop-in unit file extension, created via \"systemctl set-property\"\n" "# or an equivalent operation. Do not edit.\n", data, "\n" } ; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0 ; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }) | |||
| 4392 | "\n")({ const char *_appendees_[] = { "# This is a drop-in unit file extension, created via \"systemctl set-property\"\n" "# or an equivalent operation. Do not edit.\n", data, "\n" } ; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0 ; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 4393 | ||||
| 4394 | r = drop_in_file(dir, u->id, 50, name, &p, &q); | |||
| 4395 | if (r < 0) | |||
| 4396 | return r; | |||
| 4397 | ||||
| 4398 | (void) mkdir_p_label(p, 0755); | |||
| 4399 | r = write_string_file_atomic_label(q, wrapped); | |||
| 4400 | if (r < 0) | |||
| 4401 | return r; | |||
| 4402 | ||||
| 4403 | r = strv_push(&u->dropin_paths, q); | |||
| 4404 | if (r < 0) | |||
| 4405 | return r; | |||
| 4406 | q = NULL((void*)0); | |||
| 4407 | ||||
| 4408 | strv_uniq(u->dropin_paths); | |||
| 4409 | ||||
| 4410 | u->dropin_mtime = now(CLOCK_REALTIME0); | |||
| 4411 | ||||
| 4412 | return 0; | |||
| 4413 | } | |||
| 4414 | ||||
| 4415 | int unit_write_settingf(Unit *u, UnitWriteFlags flags, const char *name, const char *format, ...) { | |||
| 4416 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0); | |||
| 4417 | va_list ap; | |||
| 4418 | int r; | |||
| 4419 | ||||
| 4420 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4420, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4421 | assert(name)do { if ((__builtin_expect(!!(!(name)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("name"), "../src/core/unit.c", 4421, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4422 | assert(format)do { if ((__builtin_expect(!!(!(format)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("format"), "../src/core/unit.c", 4422, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4423 | ||||
| 4424 | if (UNIT_WRITE_FLAGS_NOOP(flags)(((flags) & (UNIT_RUNTIME|UNIT_PERSISTENT)) == 0)) | |||
| 4425 | return 0; | |||
| 4426 | ||||
| 4427 | va_start(ap, format)__builtin_va_start(ap, format); | |||
| 4428 | r = vasprintf(&p, format, ap); | |||
| 4429 | va_end(ap)__builtin_va_end(ap); | |||
| 4430 | ||||
| 4431 | if (r < 0) | |||
| 4432 | return -ENOMEM12; | |||
| 4433 | ||||
| 4434 | return unit_write_setting(u, flags, name, p); | |||
| 4435 | } | |||
| 4436 | ||||
| 4437 | int unit_make_transient(Unit *u) { | |||
| 4438 | _cleanup_free___attribute__((cleanup(freep))) char *path = NULL((void*)0); | |||
| 4439 | FILE *f; | |||
| 4440 | ||||
| 4441 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4441, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4442 | ||||
| 4443 | if (!UNIT_VTABLE(u)unit_vtable[(u)->type]->can_transient) | |||
| 4444 | return -EOPNOTSUPP95; | |||
| 4445 | ||||
| 4446 | (void) mkdir_p_label(u->manager->lookup_paths.transient, 0755); | |||
| 4447 | ||||
| 4448 | path = strjoin(u->manager->lookup_paths.transient, "/", u->id)strjoin_real((u->manager->lookup_paths.transient), "/", u->id, ((void*)0)); | |||
| 4449 | if (!path) | |||
| 4450 | return -ENOMEM12; | |||
| 4451 | ||||
| 4452 | /* Let's open the file we'll write the transient settings into. This file is kept open as long as we are | |||
| 4453 | * creating the transient, and is closed in unit_load(), as soon as we start loading the file. */ | |||
| 4454 | ||||
| 4455 | RUN_WITH_UMASK(0022)for (__attribute__((cleanup(_reset_umask_))) struct _umask_struct_ _saved_umask_ = { umask(0022), 0 }; !_saved_umask_.quit ; _saved_umask_ .quit = 1) { | |||
| 4456 | f = fopen(path, "we"); | |||
| 4457 | if (!f) | |||
| 4458 | return -errno(*__errno_location ()); | |||
| 4459 | } | |||
| 4460 | ||||
| 4461 | safe_fclose(u->transient_file); | |||
| 4462 | u->transient_file = f; | |||
| 4463 | ||||
| 4464 | free_and_replace(u->fragment_path, path)({ free(u->fragment_path); (u->fragment_path) = (path); (path) = ((void*)0); 0; }); | |||
| 4465 | ||||
| 4466 | u->source_path = mfree(u->source_path); | |||
| 4467 | u->dropin_paths = strv_free(u->dropin_paths); | |||
| 4468 | u->fragment_mtime = u->source_mtime = u->dropin_mtime = 0; | |||
| 4469 | ||||
| 4470 | u->load_state = UNIT_STUB; | |||
| 4471 | u->load_error = 0; | |||
| 4472 | u->transient = true1; | |||
| 4473 | ||||
| 4474 | unit_add_to_dbus_queue(u); | |||
| 4475 | unit_add_to_gc_queue(u); | |||
| 4476 | ||||
| 4477 | fputs("# This is a transient unit file, created programmatically via the systemd API. Do not edit.\n", | |||
| 4478 | u->transient_file); | |||
| 4479 | ||||
| 4480 | return 0; | |||
| 4481 | } | |||
| 4482 | ||||
| 4483 | static void log_kill(pid_t pid, int sig, void *userdata) { | |||
| 4484 | _cleanup_free___attribute__((cleanup(freep))) char *comm = NULL((void*)0); | |||
| 4485 | ||||
| 4486 | (void) get_process_comm(pid, &comm); | |||
| 4487 | ||||
| 4488 | /* Don't log about processes marked with brackets, under the assumption that these are temporary processes | |||
| 4489 | only, like for example systemd's own PAM stub process. */ | |||
| 4490 | if (comm && comm[0] == '(') | |||
| 4491 | return; | |||
| 4492 | ||||
| 4493 | log_unit_notice(userdata,({ const Unit *_u = (userdata); _u ? log_object_internal(5, 0 , "../src/core/unit.c", 4497, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((5))), 0, "../src/core/unit.c" , 4497, __func__, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)); }) | |||
| 4494 | "Killing process " PID_FMT " (%s) with signal SIG%s.",({ const Unit *_u = (userdata); _u ? log_object_internal(5, 0 , "../src/core/unit.c", 4497, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((5))), 0, "../src/core/unit.c" , 4497, __func__, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)); }) | |||
| 4495 | pid,({ const Unit *_u = (userdata); _u ? log_object_internal(5, 0 , "../src/core/unit.c", 4497, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((5))), 0, "../src/core/unit.c" , 4497, __func__, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)); }) | |||
| 4496 | strna(comm),({ const Unit *_u = (userdata); _u ? log_object_internal(5, 0 , "../src/core/unit.c", 4497, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((5))), 0, "../src/core/unit.c" , 4497, __func__, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)); }) | |||
| 4497 | signal_to_string(sig))({ const Unit *_u = (userdata); _u ? log_object_internal(5, 0 , "../src/core/unit.c", 4497, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((5))), 0, "../src/core/unit.c" , 4497, __func__, "Killing process " "%" "i" " (%s) with signal SIG%s." , pid, strna(comm), signal_to_string(sig)); }); | |||
| 4498 | } | |||
| 4499 | ||||
| 4500 | static int operation_to_signal(KillContext *c, KillOperation k) { | |||
| 4501 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/core/unit.c", 4501, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4502 | ||||
| 4503 | switch (k) { | |||
| 4504 | ||||
| 4505 | case KILL_TERMINATE: | |||
| 4506 | case KILL_TERMINATE_AND_LOG: | |||
| 4507 | return c->kill_signal; | |||
| 4508 | ||||
| 4509 | case KILL_KILL: | |||
| 4510 | return SIGKILL9; | |||
| 4511 | ||||
| 4512 | case KILL_ABORT: | |||
| 4513 | return SIGABRT6; | |||
| 4514 | ||||
| 4515 | default: | |||
| 4516 | assert_not_reached("KillOperation unknown")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "KillOperation unknown"), "../src/core/unit.c", 4516, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4517 | } | |||
| 4518 | } | |||
| 4519 | ||||
| 4520 | int unit_kill_context( | |||
| 4521 | Unit *u, | |||
| 4522 | KillContext *c, | |||
| 4523 | KillOperation k, | |||
| 4524 | pid_t main_pid, | |||
| 4525 | pid_t control_pid, | |||
| 4526 | bool_Bool main_pid_alien) { | |||
| 4527 | ||||
| 4528 | bool_Bool wait_for_exit = false0, send_sighup; | |||
| 4529 | cg_kill_log_func_t log_func = NULL((void*)0); | |||
| 4530 | int sig, r; | |||
| 4531 | ||||
| 4532 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4532, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4533 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/core/unit.c", 4533, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4534 | ||||
| 4535 | /* Kill the processes belonging to this unit, in preparation for shutting the unit down. | |||
| 4536 | * Returns > 0 if we killed something worth waiting for, 0 otherwise. */ | |||
| 4537 | ||||
| 4538 | if (c->kill_mode == KILL_NONE) | |||
| 4539 | return 0; | |||
| 4540 | ||||
| 4541 | sig = operation_to_signal(c, k); | |||
| 4542 | ||||
| 4543 | send_sighup = | |||
| 4544 | c->send_sighup && | |||
| 4545 | IN_SET(k, KILL_TERMINATE, KILL_TERMINATE_AND_LOG)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){KILL_TERMINATE, KILL_TERMINATE_AND_LOG}) /sizeof(int)]; switch(k) { case KILL_TERMINATE: case KILL_TERMINATE_AND_LOG : _found = 1; break; default: break; } _found; }) && | |||
| 4546 | sig != SIGHUP1; | |||
| 4547 | ||||
| 4548 | if (k != KILL_TERMINATE || IN_SET(sig, SIGKILL, SIGABRT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){9, 6})/sizeof(int)]; switch(sig) { case 9 : case 6: _found = 1; break; default: break; } _found; })) | |||
| 4549 | log_func = log_kill; | |||
| 4550 | ||||
| 4551 | if (main_pid > 0) { | |||
| 4552 | if (log_func) | |||
| 4553 | log_func(main_pid, sig, u); | |||
| 4554 | ||||
| 4555 | r = kill_and_sigcont(main_pid, sig); | |||
| 4556 | if (r < 0 && r != -ESRCH3) { | |||
| 4557 | _cleanup_free___attribute__((cleanup(freep))) char *comm = NULL((void*)0); | |||
| 4558 | (void) get_process_comm(main_pid, &comm); | |||
| 4559 | ||||
| 4560 | log_unit_warning_errno(u, r, "Failed to kill main process " PID_FMT " (%s), ignoring: %m", main_pid, strna(comm))({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 4560, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to kill main process " "%" "i" " (%s), ignoring: %m" , main_pid, strna(comm)) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), r, "../src/core/unit.c", 4560, __func__ , "Failed to kill main process " "%" "i" " (%s), ignoring: %m" , main_pid, strna(comm)); }); | |||
| 4561 | } else { | |||
| 4562 | if (!main_pid_alien) | |||
| 4563 | wait_for_exit = true1; | |||
| 4564 | ||||
| 4565 | if (r != -ESRCH3 && send_sighup) | |||
| 4566 | (void) kill(main_pid, SIGHUP1); | |||
| 4567 | } | |||
| 4568 | } | |||
| 4569 | ||||
| 4570 | if (control_pid > 0) { | |||
| 4571 | if (log_func) | |||
| 4572 | log_func(control_pid, sig, u); | |||
| 4573 | ||||
| 4574 | r = kill_and_sigcont(control_pid, sig); | |||
| 4575 | if (r < 0 && r != -ESRCH3) { | |||
| 4576 | _cleanup_free___attribute__((cleanup(freep))) char *comm = NULL((void*)0); | |||
| 4577 | (void) get_process_comm(control_pid, &comm); | |||
| 4578 | ||||
| 4579 | log_unit_warning_errno(u, r, "Failed to kill control process " PID_FMT " (%s), ignoring: %m", control_pid, strna(comm))({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 4579, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to kill control process " "%" "i" " (%s), ignoring: %m" , control_pid, strna(comm)) : log_internal_realm(((LOG_REALM_SYSTEMD ) << 10 | ((4))), r, "../src/core/unit.c", 4579, __func__ , "Failed to kill control process " "%" "i" " (%s), ignoring: %m" , control_pid, strna(comm)); }); | |||
| 4580 | } else { | |||
| 4581 | wait_for_exit = true1; | |||
| 4582 | ||||
| 4583 | if (r != -ESRCH3 && send_sighup) | |||
| 4584 | (void) kill(control_pid, SIGHUP1); | |||
| 4585 | } | |||
| 4586 | } | |||
| 4587 | ||||
| 4588 | if (u->cgroup_path && | |||
| 4589 | (c->kill_mode == KILL_CONTROL_GROUP || (c->kill_mode == KILL_MIXED && k == KILL_KILL))) { | |||
| 4590 | _cleanup_set_free___attribute__((cleanup(set_freep))) Set *pid_set = NULL((void*)0); | |||
| 4591 | ||||
| 4592 | /* Exclude the main/control pids from being killed via the cgroup */ | |||
| 4593 | pid_set = unit_pid_set(main_pid, control_pid); | |||
| 4594 | if (!pid_set) | |||
| 4595 | return -ENOMEM12; | |||
| 4596 | ||||
| 4597 | r = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER"_systemd", u->cgroup_path, | |||
| 4598 | sig, | |||
| 4599 | CGROUP_SIGCONT|CGROUP_IGNORE_SELF, | |||
| 4600 | pid_set, | |||
| 4601 | log_func, u); | |||
| 4602 | if (r < 0) { | |||
| 4603 | if (!IN_SET(r, -EAGAIN, -ESRCH, -ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){-11, -3, -2})/sizeof(int)]; switch(r) { case -11: case -3: case -2: _found = 1; break; default: break; } _found ; })) | |||
| 4604 | log_unit_warning_errno(u, r, "Failed to kill control group %s, ignoring: %m", u->cgroup_path)({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 4604, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to kill control group %s, ignoring: %m", u->cgroup_path ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4 ))), r, "../src/core/unit.c", 4604, __func__, "Failed to kill control group %s, ignoring: %m" , u->cgroup_path); }); | |||
| 4605 | ||||
| 4606 | } else if (r > 0) { | |||
| 4607 | ||||
| 4608 | wait_for_exit = true1; | |||
| 4609 | ||||
| 4610 | if (send_sighup) { | |||
| 4611 | set_free(pid_set); | |||
| 4612 | ||||
| 4613 | pid_set = unit_pid_set(main_pid, control_pid); | |||
| 4614 | if (!pid_set) | |||
| 4615 | return -ENOMEM12; | |||
| 4616 | ||||
| 4617 | cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER"_systemd", u->cgroup_path, | |||
| 4618 | SIGHUP1, | |||
| 4619 | CGROUP_IGNORE_SELF, | |||
| 4620 | pid_set, | |||
| 4621 | NULL((void*)0), NULL((void*)0)); | |||
| 4622 | } | |||
| 4623 | } | |||
| 4624 | } | |||
| 4625 | ||||
| 4626 | return wait_for_exit; | |||
| 4627 | } | |||
| 4628 | ||||
| 4629 | int unit_require_mounts_for(Unit *u, const char *path, UnitDependencyMask mask) { | |||
| 4630 | _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0); | |||
| 4631 | char *prefix; | |||
| 4632 | UnitDependencyInfo di; | |||
| 4633 | int r; | |||
| 4634 | ||||
| 4635 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4635, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4636 | assert(path)do { if ((__builtin_expect(!!(!(path)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("path"), "../src/core/unit.c", 4636, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4637 | ||||
| 4638 | /* Registers a unit for requiring a certain path and all its prefixes. We keep a hashtable of these paths in | |||
| 4639 | * the unit (from the path to the UnitDependencyInfo structure indicating how to the dependency came to | |||
| 4640 | * be). However, we build a prefix table for all possible prefixes so that new appearing mount units can easily | |||
| 4641 | * determine which units to make themselves a dependency of. */ | |||
| 4642 | ||||
| 4643 | if (!path_is_absolute(path)) | |||
| 4644 | return -EINVAL22; | |||
| 4645 | ||||
| 4646 | r = hashmap_ensure_allocated(&u->requires_mounts_for, &path_hash_ops)internal_hashmap_ensure_allocated(&u->requires_mounts_for , &path_hash_ops ); | |||
| 4647 | if (r < 0) | |||
| 4648 | return r; | |||
| 4649 | ||||
| 4650 | p = strdup(path); | |||
| 4651 | if (!p) | |||
| 4652 | return -ENOMEM12; | |||
| 4653 | ||||
| 4654 | path = path_simplify(p, false0); | |||
| 4655 | ||||
| 4656 | if (!path_is_normalized(path)) | |||
| 4657 | return -EPERM1; | |||
| 4658 | ||||
| 4659 | if (hashmap_contains(u->requires_mounts_for, path)) | |||
| 4660 | return 0; | |||
| 4661 | ||||
| 4662 | di = (UnitDependencyInfo) { | |||
| 4663 | .origin_mask = mask | |||
| 4664 | }; | |||
| 4665 | ||||
| 4666 | r = hashmap_put(u->requires_mounts_for, path, di.data); | |||
| 4667 | if (r < 0) | |||
| 4668 | return r; | |||
| 4669 | p = NULL((void*)0); | |||
| 4670 | ||||
| 4671 | prefix = alloca(strlen(path) + 1)__builtin_alloca (strlen(path) + 1); | |||
| 4672 | PATH_FOREACH_PREFIX_MORE(prefix, path)for (char *_slash = ({ path_simplify(strcpy(prefix, path), 0) ; if ((strcmp((prefix),("/")) == 0)) prefix[0] = 0; strrchr(prefix , 0); }); _slash && ((*_slash = 0), 1); _slash = strrchr ((prefix), '/')) { | |||
| 4673 | Set *x; | |||
| 4674 | ||||
| 4675 | x = hashmap_get(u->manager->units_requiring_mounts_for, prefix); | |||
| 4676 | if (!x) { | |||
| 4677 | _cleanup_free___attribute__((cleanup(freep))) char *q = NULL((void*)0); | |||
| 4678 | ||||
| 4679 | r = hashmap_ensure_allocated(&u->manager->units_requiring_mounts_for, &path_hash_ops)internal_hashmap_ensure_allocated(&u->manager->units_requiring_mounts_for , &path_hash_ops ); | |||
| 4680 | if (r < 0) | |||
| 4681 | return r; | |||
| 4682 | ||||
| 4683 | q = strdup(prefix); | |||
| 4684 | if (!q) | |||
| 4685 | return -ENOMEM12; | |||
| 4686 | ||||
| 4687 | x = set_new(NULL)internal_set_new(((void*)0) ); | |||
| 4688 | if (!x) | |||
| 4689 | return -ENOMEM12; | |||
| 4690 | ||||
| 4691 | r = hashmap_put(u->manager->units_requiring_mounts_for, q, x); | |||
| 4692 | if (r < 0) { | |||
| 4693 | set_free(x); | |||
| 4694 | return r; | |||
| 4695 | } | |||
| 4696 | q = NULL((void*)0); | |||
| 4697 | } | |||
| 4698 | ||||
| 4699 | r = set_put(x, u); | |||
| 4700 | if (r < 0) | |||
| 4701 | return r; | |||
| 4702 | } | |||
| 4703 | ||||
| 4704 | return 0; | |||
| 4705 | } | |||
| 4706 | ||||
| 4707 | int unit_setup_exec_runtime(Unit *u) { | |||
| 4708 | ExecRuntime **rt; | |||
| 4709 | size_t offset; | |||
| 4710 | Unit *other; | |||
| 4711 | Iterator i; | |||
| 4712 | void *v; | |||
| 4713 | int r; | |||
| 4714 | ||||
| 4715 | offset = UNIT_VTABLE(u)unit_vtable[(u)->type]->exec_runtime_offset; | |||
| 4716 | assert(offset > 0)do { if ((__builtin_expect(!!(!(offset > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset > 0"), "../src/core/unit.c", 4716 , __PRETTY_FUNCTION__); } while (0); | |||
| 4717 | ||||
| 4718 | /* Check if there already is an ExecRuntime for this unit? */ | |||
| 4719 | rt = (ExecRuntime**) ((uint8_t*) u + offset); | |||
| 4720 | if (*rt) | |||
| 4721 | return 0; | |||
| 4722 | ||||
| 4723 | /* Try to get it from somebody else */ | |||
| 4724 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_JOINS_NAMESPACE_OF], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [UNIT_JOINS_NAMESPACE_OF]), &(i), (void**)&(v), (const void**) &(other)); ) { | |||
| 4725 | r = exec_runtime_acquire(u->manager, NULL((void*)0), other->id, false0, rt); | |||
| 4726 | if (r == 1) | |||
| 4727 | return 1; | |||
| 4728 | } | |||
| 4729 | ||||
| 4730 | return exec_runtime_acquire(u->manager, unit_get_exec_context(u), u->id, true1, rt); | |||
| 4731 | } | |||
| 4732 | ||||
| 4733 | int unit_setup_dynamic_creds(Unit *u) { | |||
| 4734 | ExecContext *ec; | |||
| 4735 | DynamicCreds *dcreds; | |||
| 4736 | size_t offset; | |||
| 4737 | ||||
| 4738 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4738, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4739 | ||||
| 4740 | offset = UNIT_VTABLE(u)unit_vtable[(u)->type]->dynamic_creds_offset; | |||
| 4741 | assert(offset > 0)do { if ((__builtin_expect(!!(!(offset > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offset > 0"), "../src/core/unit.c", 4741 , __PRETTY_FUNCTION__); } while (0); | |||
| 4742 | dcreds = (DynamicCreds*) ((uint8_t*) u + offset); | |||
| 4743 | ||||
| 4744 | ec = unit_get_exec_context(u); | |||
| 4745 | assert(ec)do { if ((__builtin_expect(!!(!(ec)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ec"), "../src/core/unit.c", 4745, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4746 | ||||
| 4747 | if (!ec->dynamic_user) | |||
| 4748 | return 0; | |||
| 4749 | ||||
| 4750 | return dynamic_creds_acquire(dcreds, u->manager, ec->user, ec->group); | |||
| 4751 | } | |||
| 4752 | ||||
| 4753 | bool_Bool unit_type_supported(UnitType t) { | |||
| 4754 | if (_unlikely_(t < 0)(__builtin_expect(!!(t < 0),0))) | |||
| 4755 | return false0; | |||
| 4756 | if (_unlikely_(t >= _UNIT_TYPE_MAX)(__builtin_expect(!!(t >= _UNIT_TYPE_MAX),0))) | |||
| 4757 | return false0; | |||
| 4758 | ||||
| 4759 | if (!unit_vtable[t]->supported) | |||
| 4760 | return true1; | |||
| 4761 | ||||
| 4762 | return unit_vtable[t]->supported(); | |||
| 4763 | } | |||
| 4764 | ||||
| 4765 | void unit_warn_if_dir_nonempty(Unit *u, const char* where) { | |||
| 4766 | int r; | |||
| 4767 | ||||
| 4768 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4768, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4769 | assert(where)do { if ((__builtin_expect(!!(!(where)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("where"), "../src/core/unit.c", 4769, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4770 | ||||
| 4771 | r = dir_is_empty(where); | |||
| 4772 | if (r > 0 || r == -ENOTDIR20) | |||
| 4773 | return; | |||
| 4774 | if (r < 0) { | |||
| 4775 | log_unit_warning_errno(u, r, "Failed to check directory %s: %m", where)({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 4775, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to check directory %s: %m", where) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((4))), r, "../src/core/unit.c" , 4775, __func__, "Failed to check directory %s: %m", where); }); | |||
| 4776 | return; | |||
| 4777 | } | |||
| 4778 | ||||
| 4779 | log_struct(LOG_NOTICE,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (5)), 0 , "../src/core/unit.c", 4784, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Directory %s to mount over is not empty, mounting anyway." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4780 | "MESSAGE_ID=" SD_MESSAGE_OVERMOUNTING_STR,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (5)), 0 , "../src/core/unit.c", 4784, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Directory %s to mount over is not empty, mounting anyway." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4781 | LOG_UNIT_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (5)), 0 , "../src/core/unit.c", 4784, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Directory %s to mount over is not empty, mounting anyway." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4782 | LOG_UNIT_INVOCATION_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (5)), 0 , "../src/core/unit.c", 4784, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Directory %s to mount over is not empty, mounting anyway." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4783 | LOG_UNIT_MESSAGE(u, "Directory %s to mount over is not empty, mounting anyway.", where),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (5)), 0 , "../src/core/unit.c", 4784, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Directory %s to mount over is not empty, mounting anyway." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4784 | "WHERE=%s", where)log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (5)), 0 , "../src/core/unit.c", 4784, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Directory %s to mount over is not empty, mounting anyway." , (u)->id, where, "WHERE=%s", where, ((void*)0)); | |||
| 4785 | } | |||
| 4786 | ||||
| 4787 | int unit_fail_if_noncanonical(Unit *u, const char* where) { | |||
| 4788 | _cleanup_free___attribute__((cleanup(freep))) char *canonical_where; | |||
| 4789 | int r; | |||
| 4790 | ||||
| 4791 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4791, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4792 | assert(where)do { if ((__builtin_expect(!!(!(where)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("where"), "../src/core/unit.c", 4792, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4793 | ||||
| 4794 | r = chase_symlinks(where, NULL((void*)0), CHASE_NONEXISTENT, &canonical_where); | |||
| 4795 | if (r < 0) { | |||
| 4796 | log_unit_debug_errno(u, r, "Failed to check %s for symlinks, ignoring: %m", where)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 4796, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to check %s for symlinks, ignoring: %m", where) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), r, "../src/core/unit.c" , 4796, __func__, "Failed to check %s for symlinks, ignoring: %m" , where); }); | |||
| 4797 | return 0; | |||
| 4798 | } | |||
| 4799 | ||||
| 4800 | /* We will happily ignore a trailing slash (or any redundant slashes) */ | |||
| 4801 | if (path_equal(where, canonical_where)) | |||
| 4802 | return 0; | |||
| 4803 | ||||
| 4804 | /* No need to mention "." or "..", they would already have been rejected by unit_name_from_path() */ | |||
| 4805 | log_struct(LOG_ERR,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (3)), 0 , "../src/core/unit.c", 4810, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Mount path %s is not canonical (contains a symlink)." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4806 | "MESSAGE_ID=" SD_MESSAGE_OVERMOUNTING_STR,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (3)), 0 , "../src/core/unit.c", 4810, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Mount path %s is not canonical (contains a symlink)." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4807 | LOG_UNIT_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (3)), 0 , "../src/core/unit.c", 4810, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Mount path %s is not canonical (contains a symlink)." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4808 | LOG_UNIT_INVOCATION_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (3)), 0 , "../src/core/unit.c", 4810, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Mount path %s is not canonical (contains a symlink)." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4809 | LOG_UNIT_MESSAGE(u, "Mount path %s is not canonical (contains a symlink).", where),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (3)), 0 , "../src/core/unit.c", 4810, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Mount path %s is not canonical (contains a symlink)." , (u)->id, where, "WHERE=%s", where, ((void*)0)) | |||
| 4810 | "WHERE=%s", where)log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (3)), 0 , "../src/core/unit.c", 4810, __func__, "MESSAGE_ID=" "1d" "ee" "03" "69" "c7" "fc" "47" "36" "b7" "09" "9b" "38" "ec" "b4" "6e" "e7", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Mount path %s is not canonical (contains a symlink)." , (u)->id, where, "WHERE=%s", where, ((void*)0)); | |||
| 4811 | ||||
| 4812 | return -ELOOP40; | |||
| 4813 | } | |||
| 4814 | ||||
| 4815 | bool_Bool unit_is_pristine(Unit *u) { | |||
| 4816 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4816, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4817 | ||||
| 4818 | /* Check if the unit already exists or is already around, | |||
| 4819 | * in a number of different ways. Note that to cater for unit | |||
| 4820 | * types such as slice, we are generally fine with units that | |||
| 4821 | * are marked UNIT_LOADED even though nothing was actually | |||
| 4822 | * loaded, as those unit types don't require a file on disk. */ | |||
| 4823 | ||||
| 4824 | return !(!IN_SET(u->load_state, UNIT_NOT_FOUND, UNIT_LOADED)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){UNIT_NOT_FOUND, UNIT_LOADED})/sizeof(int )]; switch(u->load_state) { case UNIT_NOT_FOUND: case UNIT_LOADED : _found = 1; break; default: break; } _found; }) || | |||
| 4825 | u->fragment_path || | |||
| 4826 | u->source_path || | |||
| 4827 | !strv_isempty(u->dropin_paths) || | |||
| 4828 | u->job || | |||
| 4829 | u->merged_into); | |||
| 4830 | } | |||
| 4831 | ||||
| 4832 | pid_t unit_control_pid(Unit *u) { | |||
| 4833 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4833, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4834 | ||||
| 4835 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->control_pid) | |||
| 4836 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->control_pid(u); | |||
| 4837 | ||||
| 4838 | return 0; | |||
| 4839 | } | |||
| 4840 | ||||
| 4841 | pid_t unit_main_pid(Unit *u) { | |||
| 4842 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4842, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4843 | ||||
| 4844 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->main_pid) | |||
| 4845 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->main_pid(u); | |||
| 4846 | ||||
| 4847 | return 0; | |||
| 4848 | } | |||
| 4849 | ||||
| 4850 | static void unit_unref_uid_internal( | |||
| 4851 | Unit *u, | |||
| 4852 | uid_t *ref_uid, | |||
| 4853 | bool_Bool destroy_now, | |||
| 4854 | void (*_manager_unref_uid)(Manager *m, uid_t uid, bool_Bool destroy_now)) { | |||
| 4855 | ||||
| 4856 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4856, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4857 | assert(ref_uid)do { if ((__builtin_expect(!!(!(ref_uid)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ref_uid"), "../src/core/unit.c", 4857, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4858 | assert(_manager_unref_uid)do { if ((__builtin_expect(!!(!(_manager_unref_uid)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_manager_unref_uid"), "../src/core/unit.c" , 4858, __PRETTY_FUNCTION__); } while (0); | |||
| 4859 | ||||
| 4860 | /* Generic implementation of both unit_unref_uid() and unit_unref_gid(), under the assumption that uid_t and | |||
| 4861 | * gid_t are actually the same time, with the same validity rules. | |||
| 4862 | * | |||
| 4863 | * Drops a reference to UID/GID from a unit. */ | |||
| 4864 | ||||
| 4865 | assert_cc(sizeof(uid_t) == sizeof(gid_t))GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_31 { char x[(sizeof(uid_t) == sizeof (gid_t)) ? 0 : -1]; }; GCC diagnostic pop ; | |||
| 4866 | assert_cc(UID_INVALID == (uid_t) GID_INVALID)GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_32 { char x[(((uid_t) -1) == (uid_t) ((gid_t) -1)) ? 0 : -1]; }; GCC diagnostic pop ; | |||
| 4867 | ||||
| 4868 | if (!uid_is_valid(*ref_uid)) | |||
| 4869 | return; | |||
| 4870 | ||||
| 4871 | _manager_unref_uid(u->manager, *ref_uid, destroy_now); | |||
| 4872 | *ref_uid = UID_INVALID((uid_t) -1); | |||
| 4873 | } | |||
| 4874 | ||||
| 4875 | void unit_unref_uid(Unit *u, bool_Bool destroy_now) { | |||
| 4876 | unit_unref_uid_internal(u, &u->ref_uid, destroy_now, manager_unref_uid); | |||
| 4877 | } | |||
| 4878 | ||||
| 4879 | void unit_unref_gid(Unit *u, bool_Bool destroy_now) { | |||
| 4880 | unit_unref_uid_internal(u, (uid_t*) &u->ref_gid, destroy_now, manager_unref_gid); | |||
| 4881 | } | |||
| 4882 | ||||
| 4883 | static int unit_ref_uid_internal( | |||
| 4884 | Unit *u, | |||
| 4885 | uid_t *ref_uid, | |||
| 4886 | uid_t uid, | |||
| 4887 | bool_Bool clean_ipc, | |||
| 4888 | int (*_manager_ref_uid)(Manager *m, uid_t uid, bool_Bool clean_ipc)) { | |||
| 4889 | ||||
| 4890 | int r; | |||
| 4891 | ||||
| 4892 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4892, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4893 | assert(ref_uid)do { if ((__builtin_expect(!!(!(ref_uid)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ref_uid"), "../src/core/unit.c", 4893, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4894 | assert(uid_is_valid(uid))do { if ((__builtin_expect(!!(!(uid_is_valid(uid))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("uid_is_valid(uid)"), "../src/core/unit.c" , 4894, __PRETTY_FUNCTION__); } while (0); | |||
| 4895 | assert(_manager_ref_uid)do { if ((__builtin_expect(!!(!(_manager_ref_uid)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("_manager_ref_uid"), "../src/core/unit.c" , 4895, __PRETTY_FUNCTION__); } while (0); | |||
| 4896 | ||||
| 4897 | /* Generic implementation of both unit_ref_uid() and unit_ref_guid(), under the assumption that uid_t and gid_t | |||
| 4898 | * are actually the same type, and have the same validity rules. | |||
| 4899 | * | |||
| 4900 | * Adds a reference on a specific UID/GID to this unit. Each unit referencing the same UID/GID maintains a | |||
| 4901 | * reference so that we can destroy the UID/GID's IPC resources as soon as this is requested and the counter | |||
| 4902 | * drops to zero. */ | |||
| 4903 | ||||
| 4904 | assert_cc(sizeof(uid_t) == sizeof(gid_t))GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_33 { char x[(sizeof(uid_t) == sizeof (gid_t)) ? 0 : -1]; }; GCC diagnostic pop ; | |||
| 4905 | assert_cc(UID_INVALID == (uid_t) GID_INVALID)GCC diagnostic push
; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_34 { char x[(((uid_t) -1) == (uid_t) ((gid_t) -1)) ? 0 : -1]; }; GCC diagnostic pop ; | |||
| 4906 | ||||
| 4907 | if (*ref_uid == uid) | |||
| 4908 | return 0; | |||
| 4909 | ||||
| 4910 | if (uid_is_valid(*ref_uid)) /* Already set? */ | |||
| 4911 | return -EBUSY16; | |||
| 4912 | ||||
| 4913 | r = _manager_ref_uid(u->manager, uid, clean_ipc); | |||
| 4914 | if (r < 0) | |||
| 4915 | return r; | |||
| 4916 | ||||
| 4917 | *ref_uid = uid; | |||
| 4918 | return 1; | |||
| 4919 | } | |||
| 4920 | ||||
| 4921 | int unit_ref_uid(Unit *u, uid_t uid, bool_Bool clean_ipc) { | |||
| 4922 | return unit_ref_uid_internal(u, &u->ref_uid, uid, clean_ipc, manager_ref_uid); | |||
| 4923 | } | |||
| 4924 | ||||
| 4925 | int unit_ref_gid(Unit *u, gid_t gid, bool_Bool clean_ipc) { | |||
| 4926 | return unit_ref_uid_internal(u, (uid_t*) &u->ref_gid, (uid_t) gid, clean_ipc, manager_ref_gid); | |||
| 4927 | } | |||
| 4928 | ||||
| 4929 | static int unit_ref_uid_gid_internal(Unit *u, uid_t uid, gid_t gid, bool_Bool clean_ipc) { | |||
| 4930 | int r = 0, q = 0; | |||
| 4931 | ||||
| 4932 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4932, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4933 | ||||
| 4934 | /* Reference both a UID and a GID in one go. Either references both, or neither. */ | |||
| 4935 | ||||
| 4936 | if (uid_is_valid(uid)) { | |||
| 4937 | r = unit_ref_uid(u, uid, clean_ipc); | |||
| 4938 | if (r < 0) | |||
| 4939 | return r; | |||
| 4940 | } | |||
| 4941 | ||||
| 4942 | if (gid_is_valid(gid)) { | |||
| 4943 | q = unit_ref_gid(u, gid, clean_ipc); | |||
| 4944 | if (q < 0) { | |||
| 4945 | if (r > 0) | |||
| 4946 | unit_unref_uid(u, false0); | |||
| 4947 | ||||
| 4948 | return q; | |||
| 4949 | } | |||
| 4950 | } | |||
| 4951 | ||||
| 4952 | return r > 0 || q > 0; | |||
| 4953 | } | |||
| 4954 | ||||
| 4955 | int unit_ref_uid_gid(Unit *u, uid_t uid, gid_t gid) { | |||
| 4956 | ExecContext *c; | |||
| 4957 | int r; | |||
| 4958 | ||||
| 4959 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4959, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4960 | ||||
| 4961 | c = unit_get_exec_context(u); | |||
| 4962 | ||||
| 4963 | r = unit_ref_uid_gid_internal(u, uid, gid, c ? c->remove_ipc : false0); | |||
| 4964 | if (r < 0) | |||
| 4965 | return log_unit_warning_errno(u, r, "Couldn't add UID/GID reference to unit, proceeding without: %m")({ const Unit *_u = (u); _u ? log_object_internal(4, r, "../src/core/unit.c" , 4965, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Couldn't add UID/GID reference to unit, proceeding without: %m" ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4 ))), r, "../src/core/unit.c", 4965, __func__, "Couldn't add UID/GID reference to unit, proceeding without: %m" ); }); | |||
| 4966 | ||||
| 4967 | return r; | |||
| 4968 | } | |||
| 4969 | ||||
| 4970 | void unit_unref_uid_gid(Unit *u, bool_Bool destroy_now) { | |||
| 4971 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4971, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4972 | ||||
| 4973 | unit_unref_uid(u, destroy_now); | |||
| 4974 | unit_unref_gid(u, destroy_now); | |||
| 4975 | } | |||
| 4976 | ||||
| 4977 | void unit_notify_user_lookup(Unit *u, uid_t uid, gid_t gid) { | |||
| 4978 | int r; | |||
| 4979 | ||||
| 4980 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4980, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4981 | ||||
| 4982 | /* This is invoked whenever one of the forked off processes let's us know the UID/GID its user name/group names | |||
| 4983 | * resolved to. We keep track of which UID/GID is currently assigned in order to be able to destroy its IPC | |||
| 4984 | * objects when no service references the UID/GID anymore. */ | |||
| 4985 | ||||
| 4986 | r = unit_ref_uid_gid(u, uid, gid); | |||
| 4987 | if (r > 0) | |||
| 4988 | bus_unit_send_change_signal(u); | |||
| 4989 | } | |||
| 4990 | ||||
| 4991 | int unit_set_invocation_id(Unit *u, sd_id128_t id) { | |||
| 4992 | int r; | |||
| 4993 | ||||
| 4994 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 4994, __PRETTY_FUNCTION__ ); } while (0); | |||
| 4995 | ||||
| 4996 | /* Set the invocation ID for this unit. If we cannot, this will not roll back, but reset the whole thing. */ | |||
| 4997 | ||||
| 4998 | if (sd_id128_equal(u->invocation_id, id)) | |||
| 4999 | return 0; | |||
| 5000 | ||||
| 5001 | if (!sd_id128_is_null(u->invocation_id)) | |||
| 5002 | (void) hashmap_remove_value(u->manager->units_by_invocation_id, &u->invocation_id, u); | |||
| 5003 | ||||
| 5004 | if (sd_id128_is_null(id)) { | |||
| 5005 | r = 0; | |||
| 5006 | goto reset; | |||
| 5007 | } | |||
| 5008 | ||||
| 5009 | r = hashmap_ensure_allocated(&u->manager->units_by_invocation_id, &id128_hash_ops)internal_hashmap_ensure_allocated(&u->manager->units_by_invocation_id , &id128_hash_ops ); | |||
| 5010 | if (r < 0) | |||
| 5011 | goto reset; | |||
| 5012 | ||||
| 5013 | u->invocation_id = id; | |||
| 5014 | sd_id128_to_string(id, u->invocation_id_string); | |||
| 5015 | ||||
| 5016 | r = hashmap_put(u->manager->units_by_invocation_id, &u->invocation_id, u); | |||
| 5017 | if (r < 0) | |||
| 5018 | goto reset; | |||
| 5019 | ||||
| 5020 | return 0; | |||
| 5021 | ||||
| 5022 | reset: | |||
| 5023 | u->invocation_id = SD_ID128_NULL((const sd_id128_t) { .qwords = { 0, 0 }}); | |||
| 5024 | u->invocation_id_string[0] = 0; | |||
| 5025 | return r; | |||
| 5026 | } | |||
| 5027 | ||||
| 5028 | int unit_acquire_invocation_id(Unit *u) { | |||
| 5029 | sd_id128_t id; | |||
| 5030 | int r; | |||
| 5031 | ||||
| 5032 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5032, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5033 | ||||
| 5034 | r = sd_id128_randomize(&id); | |||
| 5035 | if (r < 0) | |||
| 5036 | return log_unit_error_errno(u, r, "Failed to generate invocation ID for unit: %m")({ const Unit *_u = (u); _u ? log_object_internal(3, r, "../src/core/unit.c" , 5036, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to generate invocation ID for unit: %m") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((3))), r, "../src/core/unit.c" , 5036, __func__, "Failed to generate invocation ID for unit: %m" ); }); | |||
| 5037 | ||||
| 5038 | r = unit_set_invocation_id(u, id); | |||
| 5039 | if (r < 0) | |||
| 5040 | return log_unit_error_errno(u, r, "Failed to set invocation ID for unit: %m")({ const Unit *_u = (u); _u ? log_object_internal(3, r, "../src/core/unit.c" , 5040, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to set invocation ID for unit: %m") : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((3))), r, "../src/core/unit.c" , 5040, __func__, "Failed to set invocation ID for unit: %m") ; }); | |||
| 5041 | ||||
| 5042 | return 0; | |||
| 5043 | } | |||
| 5044 | ||||
| 5045 | void unit_set_exec_params(Unit *u, ExecParameters *p) { | |||
| 5046 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5046, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5047 | assert(p)do { if ((__builtin_expect(!!(!(p)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("p"), "../src/core/unit.c", 5047, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5048 | ||||
| 5049 | /* Copy parameters from manager */ | |||
| 5050 | p->environment = u->manager->environment; | |||
| 5051 | p->confirm_spawn = manager_get_confirm_spawn(u->manager); | |||
| 5052 | p->cgroup_supported = u->manager->cgroup_supported; | |||
| 5053 | p->prefix = u->manager->prefix; | |||
| 5054 | SET_FLAG(p->flags, EXEC_PASS_LOG_UNIT|EXEC_CHOWN_DIRECTORIES, MANAGER_IS_SYSTEM(u->manager))(p->flags) = (((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM )) ? ((p->flags) | (EXEC_PASS_LOG_UNIT|EXEC_CHOWN_DIRECTORIES )) : ((p->flags) & ~(EXEC_PASS_LOG_UNIT|EXEC_CHOWN_DIRECTORIES )); | |||
| 5055 | ||||
| 5056 | /* Copy paramaters from unit */ | |||
| 5057 | p->cgroup_path = u->cgroup_path; | |||
| 5058 | SET_FLAG(p->flags, EXEC_CGROUP_DELEGATE, unit_cgroup_delegate(u))(p->flags) = (unit_cgroup_delegate(u)) ? ((p->flags) | ( EXEC_CGROUP_DELEGATE)) : ((p->flags) & ~(EXEC_CGROUP_DELEGATE )); | |||
| 5059 | } | |||
| 5060 | ||||
| 5061 | int unit_fork_helper_process(Unit *u, const char *name, pid_t *ret) { | |||
| 5062 | int r; | |||
| 5063 | ||||
| 5064 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5064, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5065 | assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/core/unit.c", 5065, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5066 | ||||
| 5067 | /* Forks off a helper process and makes sure it is a member of the unit's cgroup. Returns == 0 in the child, | |||
| 5068 | * and > 0 in the parent. The pid parameter is always filled in with the child's PID. */ | |||
| 5069 | ||||
| 5070 | (void) unit_realize_cgroup(u); | |||
| 5071 | ||||
| 5072 | r = safe_fork(name, FORK_REOPEN_LOG, ret); | |||
| 5073 | if (r != 0) | |||
| 5074 | return r; | |||
| 5075 | ||||
| 5076 | (void) default_signals(SIGNALS_CRASH_HANDLER11,4,8,7,3,6, SIGNALS_IGNORE13, -1); | |||
| 5077 | (void) ignore_signals(SIGPIPE13, -1); | |||
| 5078 | ||||
| 5079 | (void) prctl(PR_SET_PDEATHSIG1, SIGTERM15); | |||
| 5080 | ||||
| 5081 | if (u->cgroup_path) { | |||
| 5082 | r = cg_attach_everywhere(u->manager->cgroup_supported, u->cgroup_path, 0, NULL((void*)0), NULL((void*)0)); | |||
| 5083 | if (r < 0) { | |||
| 5084 | log_unit_error_errno(u, r, "Failed to join unit cgroup %s: %m", u->cgroup_path)({ const Unit *_u = (u); _u ? log_object_internal(3, r, "../src/core/unit.c" , 5084, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to join unit cgroup %s: %m", u->cgroup_path) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((3))), r, "../src/core/unit.c" , 5084, __func__, "Failed to join unit cgroup %s: %m", u-> cgroup_path); }); | |||
| 5085 | _exit(EXIT_CGROUP); | |||
| 5086 | } | |||
| 5087 | } | |||
| 5088 | ||||
| 5089 | return 0; | |||
| 5090 | } | |||
| 5091 | ||||
| 5092 | static void unit_update_dependency_mask(Unit *u, UnitDependency d, Unit *other, UnitDependencyInfo di) { | |||
| 5093 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5093, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5094 | assert(d >= 0)do { if ((__builtin_expect(!!(!(d >= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("d >= 0"), "../src/core/unit.c", 5094 , __PRETTY_FUNCTION__); } while (0); | |||
| 5095 | assert(d < _UNIT_DEPENDENCY_MAX)do { if ((__builtin_expect(!!(!(d < _UNIT_DEPENDENCY_MAX)) ,0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("d < _UNIT_DEPENDENCY_MAX" ), "../src/core/unit.c", 5095, __PRETTY_FUNCTION__); } while ( 0); | |||
| 5096 | assert(other)do { if ((__builtin_expect(!!(!(other)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("other"), "../src/core/unit.c", 5096, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5097 | ||||
| 5098 | if (di.origin_mask == 0 && di.destination_mask == 0) { | |||
| 5099 | /* No bit set anymore, let's drop the whole entry */ | |||
| 5100 | assert_se(hashmap_remove(u->dependencies[d], other))do { if ((__builtin_expect(!!(!(hashmap_remove(u->dependencies [d], other))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("hashmap_remove(u->dependencies[d], other)"), "../src/core/unit.c" , 5100, __PRETTY_FUNCTION__); } while (0); | |||
| 5101 | log_unit_debug(u, "%s lost dependency %s=%s", u->id, unit_dependency_to_string(d), other->id)({ const Unit *_u = (u); _u ? log_object_internal(7, 0, "../src/core/unit.c" , 5101, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "%s lost dependency %s=%s", u->id, unit_dependency_to_string (d), other->id) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))), 0, "../src/core/unit.c", 5101, __func__, "%s lost dependency %s=%s" , u->id, unit_dependency_to_string(d), other->id); }); | |||
| 5102 | } else | |||
| 5103 | /* Mask was reduced, let's update the entry */ | |||
| 5104 | assert_se(hashmap_update(u->dependencies[d], other, di.data) == 0)do { if ((__builtin_expect(!!(!(hashmap_update(u->dependencies [d], other, di.data) == 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("hashmap_update(u->dependencies[d], other, di.data) == 0" ), "../src/core/unit.c", 5104, __PRETTY_FUNCTION__); } while ( 0); | |||
| 5105 | } | |||
| 5106 | ||||
| 5107 | void unit_remove_dependencies(Unit *u, UnitDependencyMask mask) { | |||
| 5108 | UnitDependency d; | |||
| 5109 | ||||
| 5110 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5110, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5111 | ||||
| 5112 | /* Removes all dependencies u has on other units marked for ownership by 'mask'. */ | |||
| 5113 | ||||
| 5114 | if (mask == 0) | |||
| 5115 | return; | |||
| 5116 | ||||
| 5117 | for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++) { | |||
| 5118 | bool_Bool done; | |||
| 5119 | ||||
| 5120 | do { | |||
| 5121 | UnitDependencyInfo di; | |||
| 5122 | Unit *other; | |||
| 5123 | Iterator i; | |||
| 5124 | ||||
| 5125 | done = true1; | |||
| 5126 | ||||
| 5127 | HASHMAP_FOREACH_KEY(di.data, other, u->dependencies[d], i)for ((i) = ((Iterator) { .idx = ((2147483647 *2U +1U) - 1), . next_key = ((void*)0) }); hashmap_iterate((u->dependencies [d]), &(i), (void**)&(di.data), (const void**) &( other)); ) { | |||
| 5128 | UnitDependency q; | |||
| 5129 | ||||
| 5130 | if ((di.origin_mask & ~mask) == di.origin_mask) | |||
| 5131 | continue; | |||
| 5132 | di.origin_mask &= ~mask; | |||
| 5133 | unit_update_dependency_mask(u, d, other, di); | |||
| 5134 | ||||
| 5135 | /* We updated the dependency from our unit to the other unit now. But most dependencies | |||
| 5136 | * imply a reverse dependency. Hence, let's delete that one too. For that we go through | |||
| 5137 | * all dependency types on the other unit and delete all those which point to us and | |||
| 5138 | * have the right mask set. */ | |||
| 5139 | ||||
| 5140 | for (q = 0; q < _UNIT_DEPENDENCY_MAX; q++) { | |||
| 5141 | UnitDependencyInfo dj; | |||
| 5142 | ||||
| 5143 | dj.data = hashmap_get(other->dependencies[q], u); | |||
| 5144 | if ((dj.destination_mask & ~mask) == dj.destination_mask) | |||
| 5145 | continue; | |||
| 5146 | dj.destination_mask &= ~mask; | |||
| 5147 | ||||
| 5148 | unit_update_dependency_mask(other, q, u, dj); | |||
| 5149 | } | |||
| 5150 | ||||
| 5151 | unit_add_to_gc_queue(other); | |||
| 5152 | ||||
| 5153 | done = false0; | |||
| 5154 | break; | |||
| 5155 | } | |||
| 5156 | ||||
| 5157 | } while (!done); | |||
| 5158 | } | |||
| 5159 | } | |||
| 5160 | ||||
| 5161 | static int unit_export_invocation_id(Unit *u) { | |||
| 5162 | const char *p; | |||
| 5163 | int r; | |||
| 5164 | ||||
| 5165 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5165, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5166 | ||||
| 5167 | if (u->exported_invocation_id) | |||
| 5168 | return 0; | |||
| 5169 | ||||
| 5170 | if (sd_id128_is_null(u->invocation_id)) | |||
| 5171 | return 0; | |||
| 5172 | ||||
| 5173 | p = strjoina("/run/systemd/units/invocation:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/invocation:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5174 | r = symlink_atomic(u->invocation_id_string, p); | |||
| 5175 | if (r < 0) | |||
| 5176 | return log_unit_debug_errno(u, r, "Failed to create invocation ID symlink %s: %m", p)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 5176, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to create invocation ID symlink %s: %m", p) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), r, "../src/core/unit.c" , 5176, __func__, "Failed to create invocation ID symlink %s: %m" , p); }); | |||
| 5177 | ||||
| 5178 | u->exported_invocation_id = true1; | |||
| 5179 | return 0; | |||
| 5180 | } | |||
| 5181 | ||||
| 5182 | static int unit_export_log_level_max(Unit *u, const ExecContext *c) { | |||
| 5183 | const char *p; | |||
| 5184 | char buf[2]; | |||
| 5185 | int r; | |||
| 5186 | ||||
| 5187 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5187, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5188 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/core/unit.c", 5188, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5189 | ||||
| 5190 | if (u->exported_log_level_max) | |||
| 5191 | return 0; | |||
| 5192 | ||||
| 5193 | if (c->log_level_max < 0) | |||
| 5194 | return 0; | |||
| 5195 | ||||
| 5196 | assert(c->log_level_max <= 7)do { if ((__builtin_expect(!!(!(c->log_level_max <= 7)) ,0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("c->log_level_max <= 7" ), "../src/core/unit.c", 5196, __PRETTY_FUNCTION__); } while ( 0); | |||
| 5197 | ||||
| 5198 | buf[0] = '0' + c->log_level_max; | |||
| 5199 | buf[1] = 0; | |||
| 5200 | ||||
| 5201 | p = strjoina("/run/systemd/units/log-level-max:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-level-max:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5202 | r = symlink_atomic(buf, p); | |||
| 5203 | if (r < 0) | |||
| 5204 | return log_unit_debug_errno(u, r, "Failed to create maximum log level symlink %s: %m", p)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 5204, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to create maximum log level symlink %s: %m", p) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), r, "../src/core/unit.c" , 5204, __func__, "Failed to create maximum log level symlink %s: %m" , p); }); | |||
| 5205 | ||||
| 5206 | u->exported_log_level_max = true1; | |||
| 5207 | return 0; | |||
| 5208 | } | |||
| 5209 | ||||
| 5210 | static int unit_export_log_extra_fields(Unit *u, const ExecContext *c) { | |||
| 5211 | _cleanup_close___attribute__((cleanup(closep))) int fd = -1; | |||
| 5212 | struct iovec *iovec; | |||
| 5213 | const char *p; | |||
| 5214 | char *pattern; | |||
| 5215 | le64_t *sizes; | |||
| 5216 | ssize_t n; | |||
| 5217 | size_t i; | |||
| 5218 | int r; | |||
| 5219 | ||||
| 5220 | if (u->exported_log_extra_fields) | |||
| 5221 | return 0; | |||
| 5222 | ||||
| 5223 | if (c->n_log_extra_fields <= 0) | |||
| 5224 | return 0; | |||
| 5225 | ||||
| 5226 | sizes = newa(le64_t, c->n_log_extra_fields)({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (le64_t), c->n_log_extra_fields))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(le64_t), c->n_log_extra_fields)" ), "../src/core/unit.c", 5226, __PRETTY_FUNCTION__); } while ( 0); (le64_t*) __builtin_alloca (sizeof(le64_t)*(c->n_log_extra_fields )); }); | |||
| 5227 | iovec = newa(struct iovec, c->n_log_extra_fields * 2)({ do { if ((__builtin_expect(!!(!(!size_multiply_overflow(sizeof (struct iovec), c->n_log_extra_fields * 2))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("!size_multiply_overflow(sizeof(struct iovec), c->n_log_extra_fields * 2)" ), "../src/core/unit.c", 5227, __PRETTY_FUNCTION__); } while ( 0); (struct iovec*) __builtin_alloca (sizeof(struct iovec)*(c ->n_log_extra_fields * 2)); }); | |||
| 5228 | ||||
| 5229 | for (i = 0; i < c->n_log_extra_fields; i++) { | |||
| 5230 | sizes[i] = htole64(c->log_extra_fields[i].iov_len); | |||
| 5231 | ||||
| 5232 | iovec[i*2] = IOVEC_MAKE(sizes + i, sizeof(le64_t))(struct iovec) { .iov_base = (sizes + i), .iov_len = (sizeof( le64_t)) }; | |||
| 5233 | iovec[i*2+1] = c->log_extra_fields[i]; | |||
| 5234 | } | |||
| 5235 | ||||
| 5236 | p = strjoina("/run/systemd/units/log-extra-fields:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-extra-fields:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5237 | pattern = strjoina(p, ".XXXXXX")({ const char *_appendees_[] = { p, ".XXXXXX" }; char *_d_, * _p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p(typeof (_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5238 | ||||
| 5239 | fd = mkostemp_safe(pattern); | |||
| 5240 | if (fd < 0) | |||
| 5241 | return log_unit_debug_errno(u, fd, "Failed to create extra fields file %s: %m", p)({ const Unit *_u = (u); _u ? log_object_internal(7, fd, "../src/core/unit.c" , 5241, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to create extra fields file %s: %m", p) : log_internal_realm (((LOG_REALM_SYSTEMD) << 10 | ((7))), fd, "../src/core/unit.c" , 5241, __func__, "Failed to create extra fields file %s: %m" , p); }); | |||
| 5242 | ||||
| 5243 | n = writev(fd, iovec, c->n_log_extra_fields*2); | |||
| 5244 | if (n < 0) { | |||
| 5245 | r = log_unit_debug_errno(u, errno, "Failed to write extra fields: %m")({ const Unit *_u = (u); _u ? log_object_internal(7, (*__errno_location ()), "../src/core/unit.c", 5245, __func__, _u->manager-> unit_log_field, _u->id, _u->manager->invocation_log_field , _u->invocation_id_string, "Failed to write extra fields: %m" ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7 ))), (*__errno_location ()), "../src/core/unit.c", 5245, __func__ , "Failed to write extra fields: %m"); }); | |||
| 5246 | goto fail; | |||
| 5247 | } | |||
| 5248 | ||||
| 5249 | (void) fchmod(fd, 0644); | |||
| 5250 | ||||
| 5251 | if (rename(pattern, p) < 0) { | |||
| 5252 | r = log_unit_debug_errno(u, errno, "Failed to rename extra fields file: %m")({ const Unit *_u = (u); _u ? log_object_internal(7, (*__errno_location ()), "../src/core/unit.c", 5252, __func__, _u->manager-> unit_log_field, _u->id, _u->manager->invocation_log_field , _u->invocation_id_string, "Failed to rename extra fields file: %m" ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7 ))), (*__errno_location ()), "../src/core/unit.c", 5252, __func__ , "Failed to rename extra fields file: %m"); }); | |||
| 5253 | goto fail; | |||
| 5254 | } | |||
| 5255 | ||||
| 5256 | u->exported_log_extra_fields = true1; | |||
| 5257 | return 0; | |||
| 5258 | ||||
| 5259 | fail: | |||
| 5260 | (void) unlink(pattern); | |||
| 5261 | return r; | |||
| 5262 | } | |||
| 5263 | ||||
| 5264 | static int unit_export_log_rate_limit_interval(Unit *u, const ExecContext *c) { | |||
| 5265 | _cleanup_free___attribute__((cleanup(freep))) char *buf = NULL((void*)0); | |||
| 5266 | const char *p; | |||
| 5267 | int r; | |||
| 5268 | ||||
| 5269 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5269, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5270 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/core/unit.c", 5270, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5271 | ||||
| 5272 | if (u->exported_log_rate_limit_interval) | |||
| 5273 | return 0; | |||
| 5274 | ||||
| 5275 | if (c->log_rate_limit_interval_usec == 0) | |||
| 5276 | return 0; | |||
| 5277 | ||||
| 5278 | p = strjoina("/run/systemd/units/log-rate-limit-interval:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-rate-limit-interval:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5279 | ||||
| 5280 | if (asprintf(&buf, "%" PRIu64"l" "u", c->log_rate_limit_interval_usec) < 0) | |||
| 5281 | return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 5281 , __func__); | |||
| 5282 | ||||
| 5283 | r = symlink_atomic(buf, p); | |||
| 5284 | if (r < 0) | |||
| 5285 | return log_unit_debug_errno(u, r, "Failed to create log rate limit interval symlink %s: %m", p)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 5285, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to create log rate limit interval symlink %s: %m", p ) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7 ))), r, "../src/core/unit.c", 5285, __func__, "Failed to create log rate limit interval symlink %s: %m" , p); }); | |||
| 5286 | ||||
| 5287 | u->exported_log_rate_limit_interval = true1; | |||
| 5288 | return 0; | |||
| 5289 | } | |||
| 5290 | ||||
| 5291 | static int unit_export_log_rate_limit_burst(Unit *u, const ExecContext *c) { | |||
| 5292 | _cleanup_free___attribute__((cleanup(freep))) char *buf = NULL((void*)0); | |||
| 5293 | const char *p; | |||
| 5294 | int r; | |||
| 5295 | ||||
| 5296 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5296, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5297 | assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/core/unit.c", 5297, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5298 | ||||
| 5299 | if (u->exported_log_rate_limit_burst) | |||
| 5300 | return 0; | |||
| 5301 | ||||
| 5302 | if (c->log_rate_limit_burst == 0) | |||
| 5303 | return 0; | |||
| 5304 | ||||
| 5305 | p = strjoina("/run/systemd/units/log-rate-limit-burst:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-rate-limit-burst:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5306 | ||||
| 5307 | if (asprintf(&buf, "%u", c->log_rate_limit_burst) < 0) | |||
| 5308 | return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/core/unit.c", 5308 , __func__); | |||
| 5309 | ||||
| 5310 | r = symlink_atomic(buf, p); | |||
| 5311 | if (r < 0) | |||
| 5312 | return log_unit_debug_errno(u, r, "Failed to create log rate limit burst symlink %s: %m", p)({ const Unit *_u = (u); _u ? log_object_internal(7, r, "../src/core/unit.c" , 5312, __func__, _u->manager->unit_log_field, _u->id , _u->manager->invocation_log_field, _u->invocation_id_string , "Failed to create log rate limit burst symlink %s: %m", p) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((7))) , r, "../src/core/unit.c", 5312, __func__, "Failed to create log rate limit burst symlink %s: %m" , p); }); | |||
| 5313 | ||||
| 5314 | u->exported_log_rate_limit_burst = true1; | |||
| 5315 | return 0; | |||
| 5316 | } | |||
| 5317 | ||||
| 5318 | void unit_export_state_files(Unit *u) { | |||
| 5319 | const ExecContext *c; | |||
| 5320 | ||||
| 5321 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5321, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5322 | ||||
| 5323 | if (!u->id) | |||
| 5324 | return; | |||
| 5325 | ||||
| 5326 | if (!MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM)) | |||
| 5327 | return; | |||
| 5328 | ||||
| 5329 | if (u->manager->test_run_flags != 0) | |||
| 5330 | return; | |||
| 5331 | ||||
| 5332 | /* Exports a couple of unit properties to /run/systemd/units/, so that journald can quickly query this data | |||
| 5333 | * from there. Ideally, journald would use IPC to query this, like everybody else, but that's hard, as long as | |||
| 5334 | * the IPC system itself and PID 1 also log to the journal. | |||
| 5335 | * | |||
| 5336 | * Note that these files really shouldn't be considered API for anyone else, as use a runtime file system as | |||
| 5337 | * IPC replacement is not compatible with today's world of file system namespaces. However, this doesn't really | |||
| 5338 | * apply to communication between the journal and systemd, as we assume that these two daemons live in the same | |||
| 5339 | * namespace at least. | |||
| 5340 | * | |||
| 5341 | * Note that some of the "files" exported here are actually symlinks and not regular files. Symlinks work | |||
| 5342 | * better for storing small bits of data, in particular as we can write them with two system calls, and read | |||
| 5343 | * them with one. */ | |||
| 5344 | ||||
| 5345 | (void) unit_export_invocation_id(u); | |||
| 5346 | ||||
| 5347 | c = unit_get_exec_context(u); | |||
| 5348 | if (c) { | |||
| 5349 | (void) unit_export_log_level_max(u, c); | |||
| 5350 | (void) unit_export_log_extra_fields(u, c); | |||
| 5351 | (void) unit_export_log_rate_limit_interval(u, c); | |||
| 5352 | (void) unit_export_log_rate_limit_burst(u, c); | |||
| 5353 | } | |||
| 5354 | } | |||
| 5355 | ||||
| 5356 | void unit_unlink_state_files(Unit *u) { | |||
| 5357 | const char *p; | |||
| 5358 | ||||
| 5359 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5359, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5360 | ||||
| 5361 | if (!u->id) | |||
| 5362 | return; | |||
| 5363 | ||||
| 5364 | if (!MANAGER_IS_SYSTEM(u->manager)((u->manager)->unit_file_scope == UNIT_FILE_SYSTEM)) | |||
| 5365 | return; | |||
| 5366 | ||||
| 5367 | /* Undoes the effect of unit_export_state() */ | |||
| 5368 | ||||
| 5369 | if (u->exported_invocation_id) { | |||
| 5370 | p = strjoina("/run/systemd/units/invocation:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/invocation:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5371 | (void) unlink(p); | |||
| 5372 | ||||
| 5373 | u->exported_invocation_id = false0; | |||
| 5374 | } | |||
| 5375 | ||||
| 5376 | if (u->exported_log_level_max) { | |||
| 5377 | p = strjoina("/run/systemd/units/log-level-max:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-level-max:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5378 | (void) unlink(p); | |||
| 5379 | ||||
| 5380 | u->exported_log_level_max = false0; | |||
| 5381 | } | |||
| 5382 | ||||
| 5383 | if (u->exported_log_extra_fields) { | |||
| 5384 | p = strjoina("/run/systemd/units/extra-fields:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/extra-fields:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5385 | (void) unlink(p); | |||
| 5386 | ||||
| 5387 | u->exported_log_extra_fields = false0; | |||
| 5388 | } | |||
| 5389 | ||||
| 5390 | if (u->exported_log_rate_limit_interval) { | |||
| 5391 | p = strjoina("/run/systemd/units/log-rate-limit-interval:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-rate-limit-interval:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5392 | (void) unlink(p); | |||
| 5393 | ||||
| 5394 | u->exported_log_rate_limit_interval = false0; | |||
| 5395 | } | |||
| 5396 | ||||
| 5397 | if (u->exported_log_rate_limit_burst) { | |||
| 5398 | p = strjoina("/run/systemd/units/log-rate-limit-burst:", u->id)({ const char *_appendees_[] = { "/run/systemd/units/log-rate-limit-burst:" , u->id }; char *_d_, *_p_; size_t _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(_appendees_), typeof(&*(_appendees_))), sizeof(_appendees_ )/sizeof((_appendees_)[0]), ((void)0))) && _appendees_ [_i_]; _i_++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(_appendees_), typeof(& *(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0] ), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy (_p_, _appendees_[_i_]); *_p_ = 0; _d_; }); | |||
| 5399 | (void) unlink(p); | |||
| 5400 | ||||
| 5401 | u->exported_log_rate_limit_burst = false0; | |||
| 5402 | } | |||
| 5403 | } | |||
| 5404 | ||||
| 5405 | int unit_prepare_exec(Unit *u) { | |||
| 5406 | int r; | |||
| 5407 | ||||
| 5408 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5408, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5409 | ||||
| 5410 | /* Prepares everything so that we can fork of a process for this unit */ | |||
| 5411 | ||||
| 5412 | (void) unit_realize_cgroup(u); | |||
| 5413 | ||||
| 5414 | if (u->reset_accounting) { | |||
| 5415 | (void) unit_reset_cpu_accounting(u); | |||
| 5416 | (void) unit_reset_ip_accounting(u); | |||
| 5417 | u->reset_accounting = false0; | |||
| 5418 | } | |||
| 5419 | ||||
| 5420 | unit_export_state_files(u); | |||
| 5421 | ||||
| 5422 | r = unit_setup_exec_runtime(u); | |||
| 5423 | if (r < 0) | |||
| 5424 | return r; | |||
| 5425 | ||||
| 5426 | r = unit_setup_dynamic_creds(u); | |||
| 5427 | if (r < 0) | |||
| 5428 | return r; | |||
| 5429 | ||||
| 5430 | return 0; | |||
| 5431 | } | |||
| 5432 | ||||
| 5433 | static void log_leftover(pid_t pid, int sig, void *userdata) { | |||
| 5434 | _cleanup_free___attribute__((cleanup(freep))) char *comm = NULL((void*)0); | |||
| 5435 | ||||
| 5436 | (void) get_process_comm(pid, &comm); | |||
| 5437 | ||||
| 5438 | if (comm && comm[0] == '(') /* Most likely our own helper process (PAM?), ignore */ | |||
| 5439 | return; | |||
| 5440 | ||||
| 5441 | log_unit_warning(userdata,({ const Unit *_u = (userdata); _u ? log_object_internal(4, 0 , "../src/core/unit.c", 5444, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 5444, __func__ , "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)); }) | |||
| 5442 | "Found left-over process " PID_FMT " (%s) in control group while starting unit. Ignoring.\n"({ const Unit *_u = (userdata); _u ? log_object_internal(4, 0 , "../src/core/unit.c", 5444, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 5444, __func__ , "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)); }) | |||
| 5443 | "This usually indicates unclean termination of a previous run, or service implementation deficiencies.",({ const Unit *_u = (userdata); _u ? log_object_internal(4, 0 , "../src/core/unit.c", 5444, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 5444, __func__ , "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)); }) | |||
| 5444 | pid, strna(comm))({ const Unit *_u = (userdata); _u ? log_object_internal(4, 0 , "../src/core/unit.c", 5444, __func__, _u->manager->unit_log_field , _u->id, _u->manager->invocation_log_field, _u-> invocation_id_string, "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)) : log_internal_realm(((LOG_REALM_SYSTEMD) << 10 | ((4))), 0, "../src/core/unit.c", 5444, __func__ , "Found left-over process " "%" "i" " (%s) in control group while starting unit. Ignoring.\n" "This usually indicates unclean termination of a previous run, or service implementation deficiencies." , pid, strna(comm)); }); | |||
| 5445 | } | |||
| 5446 | ||||
| 5447 | void unit_warn_leftover_processes(Unit *u) { | |||
| 5448 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5448, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5449 | ||||
| 5450 | (void) unit_pick_cgroup_path(u); | |||
| 5451 | ||||
| 5452 | if (!u->cgroup_path) | |||
| 5453 | return; | |||
| 5454 | ||||
| 5455 | (void) cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER"_systemd", u->cgroup_path, 0, 0, NULL((void*)0), log_leftover, u); | |||
| 5456 | } | |||
| 5457 | ||||
| 5458 | bool_Bool unit_needs_console(Unit *u) { | |||
| 5459 | ExecContext *ec; | |||
| 5460 | UnitActiveState state; | |||
| 5461 | ||||
| 5462 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5462, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5463 | ||||
| 5464 | state = unit_active_state(u); | |||
| 5465 | ||||
| 5466 | if (UNIT_IS_INACTIVE_OR_FAILED(state)) | |||
| 5467 | return false0; | |||
| 5468 | ||||
| 5469 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->needs_console) | |||
| 5470 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->needs_console(u); | |||
| 5471 | ||||
| 5472 | /* If this unit type doesn't implement this call, let's use a generic fallback implementation: */ | |||
| 5473 | ec = unit_get_exec_context(u); | |||
| 5474 | if (!ec) | |||
| 5475 | return false0; | |||
| 5476 | ||||
| 5477 | return exec_context_may_touch_console(ec); | |||
| 5478 | } | |||
| 5479 | ||||
| 5480 | const char *unit_label_path(Unit *u) { | |||
| 5481 | const char *p; | |||
| 5482 | ||||
| 5483 | /* Returns the file system path to use for MAC access decisions, i.e. the file to read the SELinux label off | |||
| 5484 | * when validating access checks. */ | |||
| 5485 | ||||
| 5486 | p = u->source_path ?: u->fragment_path; | |||
| 5487 | if (!p) | |||
| 5488 | return NULL((void*)0); | |||
| 5489 | ||||
| 5490 | /* If a unit is masked, then don't read the SELinux label of /dev/null, as that really makes no sense */ | |||
| 5491 | if (path_equal(p, "/dev/null")) | |||
| 5492 | return NULL((void*)0); | |||
| 5493 | ||||
| 5494 | return p; | |||
| 5495 | } | |||
| 5496 | ||||
| 5497 | int unit_pid_attachable(Unit *u, pid_t pid, sd_bus_error *error) { | |||
| 5498 | int r; | |||
| 5499 | ||||
| 5500 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5500, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5501 | ||||
| 5502 | /* Checks whether the specified PID is generally good for attaching, i.e. a valid PID, not our manager itself, | |||
| 5503 | * and not a kernel thread either */ | |||
| 5504 | ||||
| 5505 | /* First, a simple range check */ | |||
| 5506 | if (!pid_is_valid(pid)) | |||
| 5507 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Process identifier " PID_FMT"%" "i" " is not valid.", pid); | |||
| 5508 | ||||
| 5509 | /* Some extra safety check */ | |||
| 5510 | if (pid == 1 || pid == getpid_cached()) | |||
| 5511 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Process " PID_FMT"%" "i" " is a manager process, refusing.", pid); | |||
| 5512 | ||||
| 5513 | /* Don't even begin to bother with kernel threads */ | |||
| 5514 | r = is_kernel_thread(pid); | |||
| 5515 | if (r == -ESRCH3) | |||
| 5516 | return sd_bus_error_setf(error, SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN"org.freedesktop.DBus.Error.UnixProcessIdUnknown", "Process with ID " PID_FMT"%" "i" " does not exist.", pid); | |||
| 5517 | if (r < 0) | |||
| 5518 | return sd_bus_error_set_errnof(error, r, "Failed to determine whether process " PID_FMT"%" "i" " is a kernel thread: %m", pid); | |||
| 5519 | if (r > 0) | |||
| 5520 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS"org.freedesktop.DBus.Error.InvalidArgs", "Process " PID_FMT"%" "i" " is a kernel thread, refusing.", pid); | |||
| 5521 | ||||
| 5522 | return 0; | |||
| 5523 | } | |||
| 5524 | ||||
| 5525 | void unit_log_success(Unit *u) { | |||
| 5526 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5526, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5527 | ||||
| 5528 | log_struct(LOG_INFO,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5532, __func__, "MESSAGE_ID=" "7a" "d2" "d1" "89" "f7" "e9" "4e" "70" "a3" "8c" "78" "13" "54" "91" "24" "48", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Succeeded.", (u)->id, ((void*)0)) | |||
| 5529 | "MESSAGE_ID=" SD_MESSAGE_UNIT_SUCCESS_STR,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5532, __func__, "MESSAGE_ID=" "7a" "d2" "d1" "89" "f7" "e9" "4e" "70" "a3" "8c" "78" "13" "54" "91" "24" "48", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Succeeded.", (u)->id, ((void*)0)) | |||
| 5530 | LOG_UNIT_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5532, __func__, "MESSAGE_ID=" "7a" "d2" "d1" "89" "f7" "e9" "4e" "70" "a3" "8c" "78" "13" "54" "91" "24" "48", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Succeeded.", (u)->id, ((void*)0)) | |||
| 5531 | LOG_UNIT_INVOCATION_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5532, __func__, "MESSAGE_ID=" "7a" "d2" "d1" "89" "f7" "e9" "4e" "70" "a3" "8c" "78" "13" "54" "91" "24" "48", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Succeeded.", (u)->id, ((void*)0)) | |||
| 5532 | LOG_UNIT_MESSAGE(u, "Succeeded."))log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5532, __func__, "MESSAGE_ID=" "7a" "d2" "d1" "89" "f7" "e9" "4e" "70" "a3" "8c" "78" "13" "54" "91" "24" "48", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Succeeded.", (u)->id, ((void*)0)); | |||
| 5533 | } | |||
| 5534 | ||||
| 5535 | void unit_log_failure(Unit *u, const char *result) { | |||
| 5536 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5536, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5537 | assert(result)do { if ((__builtin_expect(!!(!(result)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("result"), "../src/core/unit.c", 5537, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5538 | ||||
| 5539 | log_struct(LOG_WARNING,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (4)), 0 , "../src/core/unit.c", 5544, __func__, "MESSAGE_ID=" "d9" "b3" "73" "ed" "55" "a6" "4f" "eb" "82" "42" "e0" "2d" "be" "79" "a4" "9c", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Failed with result '%s'.", (u)->id, result , "UNIT_RESULT=%s", result, ((void*)0)) | |||
| 5540 | "MESSAGE_ID=" SD_MESSAGE_UNIT_FAILURE_RESULT_STR,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (4)), 0 , "../src/core/unit.c", 5544, __func__, "MESSAGE_ID=" "d9" "b3" "73" "ed" "55" "a6" "4f" "eb" "82" "42" "e0" "2d" "be" "79" "a4" "9c", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Failed with result '%s'.", (u)->id, result , "UNIT_RESULT=%s", result, ((void*)0)) | |||
| 5541 | LOG_UNIT_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (4)), 0 , "../src/core/unit.c", 5544, __func__, "MESSAGE_ID=" "d9" "b3" "73" "ed" "55" "a6" "4f" "eb" "82" "42" "e0" "2d" "be" "79" "a4" "9c", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Failed with result '%s'.", (u)->id, result , "UNIT_RESULT=%s", result, ((void*)0)) | |||
| 5542 | LOG_UNIT_INVOCATION_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (4)), 0 , "../src/core/unit.c", 5544, __func__, "MESSAGE_ID=" "d9" "b3" "73" "ed" "55" "a6" "4f" "eb" "82" "42" "e0" "2d" "be" "79" "a4" "9c", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Failed with result '%s'.", (u)->id, result , "UNIT_RESULT=%s", result, ((void*)0)) | |||
| 5543 | LOG_UNIT_MESSAGE(u, "Failed with result '%s'.", result),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (4)), 0 , "../src/core/unit.c", 5544, __func__, "MESSAGE_ID=" "d9" "b3" "73" "ed" "55" "a6" "4f" "eb" "82" "42" "e0" "2d" "be" "79" "a4" "9c", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Failed with result '%s'.", (u)->id, result , "UNIT_RESULT=%s", result, ((void*)0)) | |||
| 5544 | "UNIT_RESULT=%s", result)log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (4)), 0 , "../src/core/unit.c", 5544, __func__, "MESSAGE_ID=" "d9" "b3" "73" "ed" "55" "a6" "4f" "eb" "82" "42" "e0" "2d" "be" "79" "a4" "9c", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Failed with result '%s'.", (u)->id, result , "UNIT_RESULT=%s", result, ((void*)0)); | |||
| 5545 | } | |||
| 5546 | ||||
| 5547 | void unit_log_skip(Unit *u, const char *result) { | |||
| 5548 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5548, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5549 | assert(result)do { if ((__builtin_expect(!!(!(result)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("result"), "../src/core/unit.c", 5549, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5550 | ||||
| 5551 | log_struct(LOG_INFO,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5556, __func__, "MESSAGE_ID=" "0e" "42" "84" "a0" "ca" "ca" "4b" "fc" "81" "c0" "bb" "67" "86" "97" "26" "73", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Skipped due to '%s'.", (u)->id, result, "UNIT_RESULT=%s" , result, ((void*)0)) | |||
| 5552 | "MESSAGE_ID=" SD_MESSAGE_UNIT_SKIPPED_STR,log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5556, __func__, "MESSAGE_ID=" "0e" "42" "84" "a0" "ca" "ca" "4b" "fc" "81" "c0" "bb" "67" "86" "97" "26" "73", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Skipped due to '%s'.", (u)->id, result, "UNIT_RESULT=%s" , result, ((void*)0)) | |||
| 5553 | LOG_UNIT_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5556, __func__, "MESSAGE_ID=" "0e" "42" "84" "a0" "ca" "ca" "4b" "fc" "81" "c0" "bb" "67" "86" "97" "26" "73", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Skipped due to '%s'.", (u)->id, result, "UNIT_RESULT=%s" , result, ((void*)0)) | |||
| 5554 | LOG_UNIT_INVOCATION_ID(u),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5556, __func__, "MESSAGE_ID=" "0e" "42" "84" "a0" "ca" "ca" "4b" "fc" "81" "c0" "bb" "67" "86" "97" "26" "73", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Skipped due to '%s'.", (u)->id, result, "UNIT_RESULT=%s" , result, ((void*)0)) | |||
| 5555 | LOG_UNIT_MESSAGE(u, "Skipped due to '%s'.", result),log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5556, __func__, "MESSAGE_ID=" "0e" "42" "84" "a0" "ca" "ca" "4b" "fc" "81" "c0" "bb" "67" "86" "97" "26" "73", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Skipped due to '%s'.", (u)->id, result, "UNIT_RESULT=%s" , result, ((void*)0)) | |||
| 5556 | "UNIT_RESULT=%s", result)log_struct_internal(((LOG_REALM_SYSTEMD) << 10 | (6)), 0 , "../src/core/unit.c", 5556, __func__, "MESSAGE_ID=" "0e" "42" "84" "a0" "ca" "ca" "4b" "fc" "81" "c0" "bb" "67" "86" "97" "26" "73", (u)->manager->unit_log_format_string, (u)->id , (u)->manager->invocation_log_format_string, (u)->invocation_id_string , "MESSAGE=%s: " "Skipped due to '%s'.", (u)->id, result, "UNIT_RESULT=%s" , result, ((void*)0)); | |||
| 5557 | } | |||
| 5558 | ||||
| 5559 | bool_Bool unit_can_freeze(Unit *u) { | |||
| 5560 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5560, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5561 | ||||
| 5562 | if (UNIT_VTABLE(u)unit_vtable[(u)->type]->can_freeze) | |||
| 5563 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->can_freeze(u); | |||
| 5564 | ||||
| 5565 | return UNIT_VTABLE(u)unit_vtable[(u)->type]->freeze; | |||
| 5566 | } | |||
| 5567 | ||||
| 5568 | void unit_frozen(Unit *u) { | |||
| 5569 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5569, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5570 | ||||
| 5571 | u->freezer_state = FREEZER_FROZEN; | |||
| 5572 | ||||
| 5573 | bus_unit_send_pending_freezer_message(u); | |||
| 5574 | } | |||
| 5575 | ||||
| 5576 | void unit_thawed(Unit *u) { | |||
| 5577 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5577, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5578 | ||||
| 5579 | u->freezer_state = FREEZER_RUNNING; | |||
| 5580 | ||||
| 5581 | bus_unit_send_pending_freezer_message(u); | |||
| 5582 | } | |||
| 5583 | ||||
| 5584 | static int unit_freezer_action(Unit *u, FreezerAction action) { | |||
| 5585 | UnitActiveState s; | |||
| 5586 | int (*method)(Unit*); | |||
| 5587 | int r; | |||
| 5588 | ||||
| 5589 | assert(u)do { if ((__builtin_expect(!!(!(u)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("u"), "../src/core/unit.c", 5589, __PRETTY_FUNCTION__ ); } while (0); | |||
| 5590 | assert(IN_SET(action, FREEZER_FREEZE, FREEZER_THAW))do { if ((__builtin_expect(!!(!(({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended[20 - sizeof((int[]){FREEZER_FREEZE, FREEZER_THAW})/sizeof(int)] ; switch(action) { case FREEZER_FREEZE: case FREEZER_THAW: _found = 1; break; default: break; } _found; }))),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("IN_SET(action, FREEZER_FREEZE, FREEZER_THAW)" ), "../src/core/unit.c", 5590, __PRETTY_FUNCTION__); } while ( 0); | |||
| 5591 | ||||
| 5592 | method = action == FREEZER_FREEZE ? UNIT_VTABLE(u)unit_vtable[(u)->type]->freeze : UNIT_VTABLE(u)unit_vtable[(u)->type]->thaw; | |||
| 5593 | if (!method || !cg_freezer_supported()) | |||
| 5594 | return -EOPNOTSUPP95; | |||
| 5595 | ||||
| 5596 | if (u->job) | |||
| 5597 | return -EBUSY16; | |||
| 5598 | ||||
| 5599 | if (u->load_state != UNIT_LOADED) | |||
| 5600 | return -EHOSTDOWN112; | |||
| 5601 | ||||
| 5602 | s = unit_active_state(u); | |||
| 5603 | if (s != UNIT_ACTIVE) | |||
| 5604 | return -EHOSTDOWN112; | |||
| 5605 | ||||
| 5606 | if (IN_SET(u->freezer_state, FREEZER_FREEZING, FREEZER_THAWING)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){FREEZER_FREEZING, FREEZER_THAWING})/sizeof (int)]; switch(u->freezer_state) { case FREEZER_FREEZING: case FREEZER_THAWING: _found = 1; break; default: break; } _found ; })) | |||
| 5607 | return -EALREADY114; | |||
| 5608 | ||||
| 5609 | r = method(u); | |||
| 5610 | if (r <= 0) | |||
| 5611 | return r; | |||
| 5612 | ||||
| 5613 | return 1; | |||
| 5614 | } | |||
| 5615 | ||||
| 5616 | int unit_freeze(Unit *u) { | |||
| 5617 | return unit_freezer_action(u, FREEZER_FREEZE); | |||
| 5618 | } | |||
| 5619 | ||||
| 5620 | int unit_thaw(Unit *u) { | |||
| 5621 | return unit_freezer_action(u, FREEZER_THAW); | |||
| 5622 | } | |||
| 5623 | ||||
| 5624 | /* Wrappers around low-level cgroup freezer operations common for service and scope units */ | |||
| 5625 | int unit_freeze_vtable_common(Unit *u) { | |||
| 5626 | return unit_cgroup_freezer_action(u, FREEZER_FREEZE); | |||
| 5627 | } | |||
| 5628 | ||||
| 5629 | int unit_thaw_vtable_common(Unit *u) { | |||
| 5630 | return unit_cgroup_freezer_action(u, FREEZER_THAW); | |||
| 5631 | } | |||
| 5632 | ||||
| 5633 | static const char* const collect_mode_table[_COLLECT_MODE_MAX] = { | |||
| 5634 | [COLLECT_INACTIVE] = "inactive", | |||
| 5635 | [COLLECT_INACTIVE_OR_FAILED] = "inactive-or-failed", | |||
| 5636 | }; | |||
| 5637 | ||||
| 5638 | DEFINE_STRING_TABLE_LOOKUP(collect_mode, CollectMode)const char *collect_mode_to_string(CollectMode i) { if (i < 0 || i >= (CollectMode) __extension__ (__builtin_choose_expr ( !__builtin_types_compatible_p(typeof(collect_mode_table), typeof (&*(collect_mode_table))), sizeof(collect_mode_table)/sizeof ((collect_mode_table)[0]), ((void)0)))) return ((void*)0); return collect_mode_table[i]; } CollectMode collect_mode_from_string (const char *s) { return (CollectMode) string_table_lookup(collect_mode_table , __extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(collect_mode_table), typeof(&*(collect_mode_table ))), sizeof(collect_mode_table)/sizeof((collect_mode_table)[0 ]), ((void)0))), s); }; |