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6c12b52e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
6c12b52e LP |
23 | #include <unistd.h> |
24 | ||
b5efdb8a | 25 | #include "alloc-util.h" |
07630cea LP |
26 | #include "dbus-scope.h" |
27 | #include "load-dropin.h" | |
6c12b52e | 28 | #include "log.h" |
b5efdb8a | 29 | #include "scope.h" |
6c12b52e | 30 | #include "special.h" |
8b43440b | 31 | #include "string-table.h" |
07630cea LP |
32 | #include "string-util.h" |
33 | #include "strv.h" | |
6c12b52e | 34 | #include "unit-name.h" |
efdb0237 | 35 | #include "unit.h" |
6c12b52e LP |
36 | |
37 | static const UnitActiveState state_translation_table[_SCOPE_STATE_MAX] = { | |
38 | [SCOPE_DEAD] = UNIT_INACTIVE, | |
39 | [SCOPE_RUNNING] = UNIT_ACTIVE, | |
a911bb9a | 40 | [SCOPE_ABANDONED] = UNIT_ACTIVE, |
6c12b52e LP |
41 | [SCOPE_STOP_SIGTERM] = UNIT_DEACTIVATING, |
42 | [SCOPE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
43 | [SCOPE_FAILED] = UNIT_FAILED | |
44 | }; | |
45 | ||
718db961 LP |
46 | static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata); |
47 | ||
6c12b52e LP |
48 | static void scope_init(Unit *u) { |
49 | Scope *s = SCOPE(u); | |
50 | ||
51 | assert(u); | |
52 | assert(u->load_state == UNIT_STUB); | |
53 | ||
1f19a534 | 54 | s->timeout_stop_usec = u->manager->default_timeout_stop_usec; |
6c12b52e | 55 | |
6c12b52e | 56 | UNIT(s)->ignore_on_isolate = true; |
6c12b52e LP |
57 | } |
58 | ||
59 | static void scope_done(Unit *u) { | |
60 | Scope *s = SCOPE(u); | |
61 | ||
62 | assert(u); | |
63 | ||
2d4a39e7 LP |
64 | free(s->controller); |
65 | ||
718db961 LP |
66 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
67 | } | |
68 | ||
69 | static int scope_arm_timer(Scope *s) { | |
70 | int r; | |
71 | ||
72 | assert(s); | |
73 | ||
74 | if (s->timeout_stop_usec <= 0) { | |
75 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); | |
76 | return 0; | |
77 | } | |
78 | ||
79 | if (s->timer_event_source) { | |
80 | r = sd_event_source_set_time(s->timer_event_source, now(CLOCK_MONOTONIC) + s->timeout_stop_usec); | |
81 | if (r < 0) | |
82 | return r; | |
83 | ||
84 | return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT); | |
85 | } | |
86 | ||
cbf60d0a | 87 | r = sd_event_add_time( |
6a0f1f6d LP |
88 | UNIT(s)->manager->event, |
89 | &s->timer_event_source, | |
90 | CLOCK_MONOTONIC, | |
91 | now(CLOCK_MONOTONIC) + s->timeout_stop_usec, 0, | |
92 | scope_dispatch_timer, s); | |
7dfbe2e3 TG |
93 | if (r < 0) |
94 | return r; | |
95 | ||
96 | (void) sd_event_source_set_description(s->timer_event_source, "scope-timer"); | |
97 | ||
98 | return 0; | |
6c12b52e LP |
99 | } |
100 | ||
101 | static void scope_set_state(Scope *s, ScopeState state) { | |
102 | ScopeState old_state; | |
103 | assert(s); | |
104 | ||
105 | old_state = s->state; | |
106 | s->state = state; | |
107 | ||
a911bb9a | 108 | if (!IN_SET(state, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) |
718db961 | 109 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
6c12b52e | 110 | |
a911bb9a LP |
111 | if (IN_SET(state, SCOPE_DEAD, SCOPE_FAILED)) |
112 | unit_unwatch_all_pids(UNIT(s)); | |
113 | ||
6c12b52e | 114 | if (state != old_state) |
a911bb9a | 115 | log_debug("%s changed %s -> %s", UNIT(s)->id, scope_state_to_string(old_state), scope_state_to_string(state)); |
6c12b52e LP |
116 | |
117 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], true); | |
118 | } | |
119 | ||
120 | static int scope_add_default_dependencies(Scope *s) { | |
121 | int r; | |
122 | ||
123 | assert(s); | |
124 | ||
125 | /* Make sure scopes are unloaded on shutdown */ | |
126 | r = unit_add_two_dependencies_by_name( | |
127 | UNIT(s), | |
128 | UNIT_BEFORE, UNIT_CONFLICTS, | |
129 | SPECIAL_SHUTDOWN_TARGET, NULL, true); | |
130 | if (r < 0) | |
131 | return r; | |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
136 | static int scope_verify(Scope *s) { | |
137 | assert(s); | |
138 | ||
139 | if (UNIT(s)->load_state != UNIT_LOADED) | |
140 | return 0; | |
141 | ||
efdb0237 | 142 | if (set_isempty(UNIT(s)->pids) && |
09d2f5b1 | 143 | !manager_is_reloading_or_reexecuting(UNIT(s)->manager) && |
efdb0237 | 144 | !unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) { |
f2341e0a | 145 | log_unit_error(UNIT(s), "Scope has no PIDs. Refusing."); |
6c12b52e LP |
146 | return -EINVAL; |
147 | } | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
152 | static int scope_load(Unit *u) { | |
153 | Scope *s = SCOPE(u); | |
154 | int r; | |
155 | ||
156 | assert(s); | |
157 | assert(u->load_state == UNIT_STUB); | |
158 | ||
efdb0237 | 159 | if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager)) |
6c12b52e LP |
160 | return -ENOENT; |
161 | ||
162 | u->load_state = UNIT_LOADED; | |
163 | ||
164 | r = unit_load_dropin(u); | |
165 | if (r < 0) | |
166 | return r; | |
167 | ||
598459ce LP |
168 | r = unit_patch_contexts(u); |
169 | if (r < 0) | |
170 | return r; | |
171 | ||
d79200e2 | 172 | r = unit_set_default_slice(u); |
6c12b52e LP |
173 | if (r < 0) |
174 | return r; | |
175 | ||
176 | if (u->default_dependencies) { | |
177 | r = scope_add_default_dependencies(s); | |
178 | if (r < 0) | |
179 | return r; | |
180 | } | |
181 | ||
182 | return scope_verify(s); | |
183 | } | |
184 | ||
be847e82 | 185 | static int scope_coldplug(Unit *u) { |
6c12b52e LP |
186 | Scope *s = SCOPE(u); |
187 | int r; | |
188 | ||
189 | assert(s); | |
190 | assert(s->state == SCOPE_DEAD); | |
191 | ||
192 | if (s->deserialized_state != s->state) { | |
193 | ||
a911bb9a | 194 | if (IN_SET(s->deserialized_state, SCOPE_STOP_SIGKILL, SCOPE_STOP_SIGTERM)) { |
718db961 | 195 | r = scope_arm_timer(s); |
6c12b52e | 196 | if (r < 0) |
6c12b52e LP |
197 | return r; |
198 | } | |
199 | ||
a911bb9a LP |
200 | if (!IN_SET(s->deserialized_state, SCOPE_DEAD, SCOPE_FAILED)) |
201 | unit_watch_all_pids(UNIT(s)); | |
202 | ||
6c12b52e LP |
203 | scope_set_state(s, s->deserialized_state); |
204 | } | |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
209 | static void scope_dump(Unit *u, FILE *f, const char *prefix) { | |
210 | Scope *s = SCOPE(u); | |
211 | ||
212 | assert(s); | |
213 | assert(f); | |
214 | ||
215 | fprintf(f, | |
216 | "%sScope State: %s\n" | |
217 | "%sResult: %s\n", | |
218 | prefix, scope_state_to_string(s->state), | |
219 | prefix, scope_result_to_string(s->result)); | |
220 | ||
221 | cgroup_context_dump(&s->cgroup_context, f, prefix); | |
222 | kill_context_dump(&s->kill_context, f, prefix); | |
223 | } | |
224 | ||
225 | static void scope_enter_dead(Scope *s, ScopeResult f) { | |
226 | assert(s); | |
227 | ||
228 | if (f != SCOPE_SUCCESS) | |
229 | s->result = f; | |
230 | ||
231 | scope_set_state(s, s->result != SCOPE_SUCCESS ? SCOPE_FAILED : SCOPE_DEAD); | |
232 | } | |
233 | ||
234 | static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { | |
2d4a39e7 | 235 | bool skip_signal = false; |
6c12b52e LP |
236 | int r; |
237 | ||
238 | assert(s); | |
239 | ||
240 | if (f != SCOPE_SUCCESS) | |
241 | s->result = f; | |
242 | ||
a911bb9a LP |
243 | unit_watch_all_pids(UNIT(s)); |
244 | ||
2d4a39e7 LP |
245 | /* If we have a controller set let's ask the controller nicely |
246 | * to terminate the scope, instead of us going directly into | |
247 | * SIGTERM beserk mode */ | |
248 | if (state == SCOPE_STOP_SIGTERM) | |
249 | skip_signal = bus_scope_send_request_stop(s) > 0; | |
250 | ||
251 | if (!skip_signal) { | |
252 | r = unit_kill_context( | |
253 | UNIT(s), | |
254 | &s->kill_context, | |
db2cb23b | 255 | state != SCOPE_STOP_SIGTERM ? KILL_KILL : KILL_TERMINATE, |
2d4a39e7 LP |
256 | -1, -1, false); |
257 | if (r < 0) | |
258 | goto fail; | |
259 | } else | |
260 | r = 1; | |
6c12b52e LP |
261 | |
262 | if (r > 0) { | |
718db961 LP |
263 | r = scope_arm_timer(s); |
264 | if (r < 0) | |
265 | goto fail; | |
6c12b52e LP |
266 | |
267 | scope_set_state(s, state); | |
ac84d1fb LP |
268 | } else if (state == SCOPE_STOP_SIGTERM) |
269 | scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_SUCCESS); | |
270 | else | |
6c12b52e LP |
271 | scope_enter_dead(s, SCOPE_SUCCESS); |
272 | ||
273 | return; | |
274 | ||
275 | fail: | |
f2341e0a | 276 | log_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); |
6c12b52e LP |
277 | |
278 | scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); | |
279 | } | |
280 | ||
281 | static int scope_start(Unit *u) { | |
282 | Scope *s = SCOPE(u); | |
283 | int r; | |
284 | ||
285 | assert(s); | |
286 | ||
efdb0237 LP |
287 | if (unit_has_name(u, SPECIAL_INIT_SCOPE)) |
288 | return -EPERM; | |
289 | ||
7b617155 LP |
290 | if (s->state == SCOPE_FAILED) |
291 | return -EPERM; | |
292 | ||
dd305ec9 | 293 | /* We can't fulfill this right now, please try again later */ |
6c12b52e LP |
294 | if (s->state == SCOPE_STOP_SIGTERM || |
295 | s->state == SCOPE_STOP_SIGKILL) | |
296 | return -EAGAIN; | |
297 | ||
298 | assert(s->state == SCOPE_DEAD); | |
299 | ||
efdb0237 | 300 | if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager)) |
6c12b52e LP |
301 | return -ENOENT; |
302 | ||
5ad096b3 LP |
303 | (void) unit_realize_cgroup(u); |
304 | (void) unit_reset_cpu_usage(u); | |
305 | ||
7b3fd631 | 306 | r = unit_attach_pids_to_cgroup(u); |
dd305ec9 | 307 | if (r < 0) { |
f2341e0a | 308 | log_unit_warning_errno(UNIT(s), r, "Failed to add PIDs to scope's control group: %m"); |
68a01fb6 | 309 | scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); |
6c12b52e | 310 | return r; |
dd305ec9 | 311 | } |
6c12b52e | 312 | |
6c12b52e LP |
313 | s->result = SCOPE_SUCCESS; |
314 | ||
315 | scope_set_state(s, SCOPE_RUNNING); | |
82a2b6bb | 316 | return 1; |
6c12b52e LP |
317 | } |
318 | ||
319 | static int scope_stop(Unit *u) { | |
320 | Scope *s = SCOPE(u); | |
321 | ||
322 | assert(s); | |
6c12b52e LP |
323 | |
324 | if (s->state == SCOPE_STOP_SIGTERM || | |
325 | s->state == SCOPE_STOP_SIGKILL) | |
326 | return 0; | |
327 | ||
a911bb9a LP |
328 | assert(s->state == SCOPE_RUNNING || |
329 | s->state == SCOPE_ABANDONED); | |
6c12b52e LP |
330 | |
331 | scope_enter_signal(s, SCOPE_STOP_SIGTERM, SCOPE_SUCCESS); | |
82a2b6bb | 332 | return 1; |
6c12b52e LP |
333 | } |
334 | ||
8bcca7e2 LP |
335 | static void scope_reset_failed(Unit *u) { |
336 | Scope *s = SCOPE(u); | |
337 | ||
338 | assert(s); | |
339 | ||
340 | if (s->state == SCOPE_FAILED) | |
341 | scope_set_state(s, SCOPE_DEAD); | |
342 | ||
343 | s->result = SCOPE_SUCCESS; | |
344 | } | |
345 | ||
718db961 | 346 | static int scope_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { |
6c12b52e LP |
347 | return unit_kill_common(u, who, signo, -1, -1, error); |
348 | } | |
349 | ||
68db7a3b ZJS |
350 | static int scope_get_timeout(Unit *u, uint64_t *timeout) { |
351 | Scope *s = SCOPE(u); | |
352 | int r; | |
353 | ||
354 | if (!s->timer_event_source) | |
355 | return 0; | |
356 | ||
357 | r = sd_event_source_get_time(s->timer_event_source, timeout); | |
358 | if (r < 0) | |
359 | return r; | |
360 | ||
361 | return 1; | |
362 | } | |
363 | ||
6c12b52e LP |
364 | static int scope_serialize(Unit *u, FILE *f, FDSet *fds) { |
365 | Scope *s = SCOPE(u); | |
366 | ||
367 | assert(s); | |
368 | assert(f); | |
369 | assert(fds); | |
370 | ||
371 | unit_serialize_item(u, f, "state", scope_state_to_string(s->state)); | |
372 | return 0; | |
373 | } | |
374 | ||
375 | static int scope_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
376 | Scope *s = SCOPE(u); | |
377 | ||
378 | assert(u); | |
379 | assert(key); | |
380 | assert(value); | |
381 | assert(fds); | |
382 | ||
383 | if (streq(key, "state")) { | |
384 | ScopeState state; | |
385 | ||
386 | state = scope_state_from_string(value); | |
387 | if (state < 0) | |
f2341e0a | 388 | log_unit_debug(u, "Failed to parse state value: %s", value); |
6c12b52e LP |
389 | else |
390 | s->deserialized_state = state; | |
391 | ||
392 | } else | |
f2341e0a | 393 | log_unit_debug(u, "Unknown serialization key: %s", key); |
6c12b52e LP |
394 | |
395 | return 0; | |
396 | } | |
397 | ||
398 | static bool scope_check_gc(Unit *u) { | |
4e2744fc | 399 | assert(u); |
6c12b52e LP |
400 | |
401 | /* Never clean up scopes that still have a process around, | |
402 | * even if the scope is formally dead. */ | |
403 | ||
a911bb9a | 404 | if (u->cgroup_path) { |
4e2744fc RC |
405 | int r; |
406 | ||
6f883237 | 407 | r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path); |
6c12b52e LP |
408 | if (r <= 0) |
409 | return true; | |
410 | } | |
411 | ||
412 | return false; | |
413 | } | |
414 | ||
a911bb9a LP |
415 | static void scope_notify_cgroup_empty_event(Unit *u) { |
416 | Scope *s = SCOPE(u); | |
417 | assert(u); | |
418 | ||
f2341e0a | 419 | log_unit_debug(u, "cgroup is empty"); |
a911bb9a LP |
420 | |
421 | if (IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) | |
422 | scope_enter_dead(s, SCOPE_SUCCESS); | |
423 | } | |
424 | ||
425 | static void scope_sigchld_event(Unit *u, pid_t pid, int code, int status) { | |
426 | ||
427 | /* If we get a SIGCHLD event for one of the processes we were | |
428 | interested in, then we look for others to watch, under the | |
429 | assumption that we'll sooner or later get a SIGCHLD for | |
430 | them, as the original process we watched was probably the | |
431 | parent of them, and they are hence now our children. */ | |
432 | ||
433 | unit_tidy_watch_pids(u, 0, 0); | |
434 | unit_watch_all_pids(u); | |
435 | ||
436 | /* If the PID set is empty now, then let's finish this off */ | |
437 | if (set_isempty(u->pids)) | |
438 | scope_notify_cgroup_empty_event(u); | |
439 | } | |
440 | ||
718db961 LP |
441 | static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { |
442 | Scope *s = SCOPE(userdata); | |
6c12b52e LP |
443 | |
444 | assert(s); | |
718db961 | 445 | assert(s->timer_event_source == source); |
6c12b52e LP |
446 | |
447 | switch (s->state) { | |
448 | ||
449 | case SCOPE_STOP_SIGTERM: | |
450 | if (s->kill_context.send_sigkill) { | |
f2341e0a | 451 | log_unit_warning(UNIT(s), "Stopping timed out. Killing."); |
6c12b52e LP |
452 | scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_TIMEOUT); |
453 | } else { | |
f2341e0a | 454 | log_unit_warning(UNIT(s), "Stopping timed out. Skipping SIGKILL."); |
6c12b52e LP |
455 | scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); |
456 | } | |
457 | ||
458 | break; | |
459 | ||
460 | case SCOPE_STOP_SIGKILL: | |
f2341e0a | 461 | log_unit_warning(UNIT(s), "Still around after SIGKILL. Ignoring."); |
6c12b52e LP |
462 | scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); |
463 | break; | |
464 | ||
465 | default: | |
466 | assert_not_reached("Timeout at wrong time."); | |
467 | } | |
718db961 LP |
468 | |
469 | return 0; | |
6c12b52e LP |
470 | } |
471 | ||
a911bb9a LP |
472 | int scope_abandon(Scope *s) { |
473 | assert(s); | |
6c12b52e | 474 | |
efdb0237 LP |
475 | if (unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) |
476 | return -EPERM; | |
477 | ||
a911bb9a LP |
478 | if (!IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED)) |
479 | return -ESTALE; | |
6c12b52e | 480 | |
a1e58e8e | 481 | s->controller = mfree(s->controller); |
6c12b52e | 482 | |
a911bb9a LP |
483 | /* The client is no longer watching the remaining processes, |
484 | * so let's step in here, under the assumption that the | |
485 | * remaining processes will be sooner or later reassigned to | |
486 | * us as parent. */ | |
6c12b52e | 487 | |
a911bb9a LP |
488 | unit_tidy_watch_pids(UNIT(s), 0, 0); |
489 | unit_watch_all_pids(UNIT(s)); | |
6c12b52e | 490 | |
a911bb9a LP |
491 | /* If the PID set is empty now, then let's finish this off */ |
492 | if (set_isempty(UNIT(s)->pids)) | |
493 | scope_notify_cgroup_empty_event(UNIT(s)); | |
494 | else | |
495 | scope_set_state(s, SCOPE_ABANDONED); | |
496 | ||
497 | return 0; | |
6c12b52e LP |
498 | } |
499 | ||
500 | _pure_ static UnitActiveState scope_active_state(Unit *u) { | |
501 | assert(u); | |
502 | ||
503 | return state_translation_table[SCOPE(u)->state]; | |
504 | } | |
505 | ||
506 | _pure_ static const char *scope_sub_state_to_string(Unit *u) { | |
507 | assert(u); | |
508 | ||
509 | return scope_state_to_string(SCOPE(u)->state); | |
510 | } | |
511 | ||
ba64af90 | 512 | static void scope_enumerate(Manager *m) { |
efdb0237 LP |
513 | Unit *u; |
514 | int r; | |
515 | ||
516 | assert(m); | |
517 | ||
518 | /* Let's unconditionally add the "init.scope" special unit | |
519 | * that encapsulates PID 1. Note that PID 1 already is in the | |
520 | * cgroup for this, we hence just need to allocate the object | |
521 | * for it and that's it. */ | |
522 | ||
523 | u = manager_get_unit(m, SPECIAL_INIT_SCOPE); | |
524 | if (!u) { | |
525 | u = unit_new(m, sizeof(Scope)); | |
ba64af90 LP |
526 | if (!u) { |
527 | log_oom(); | |
528 | return; | |
529 | } | |
efdb0237 LP |
530 | |
531 | r = unit_add_name(u, SPECIAL_INIT_SCOPE); | |
532 | if (r < 0) { | |
533 | unit_free(u); | |
ba64af90 LP |
534 | log_error_errno(r, "Failed to add init.scope name"); |
535 | return; | |
efdb0237 LP |
536 | } |
537 | } | |
538 | ||
539 | u->transient = true; | |
540 | u->default_dependencies = false; | |
541 | u->no_gc = true; | |
41780022 LP |
542 | u->ignore_on_isolate = true; |
543 | u->refuse_manual_start = true; | |
544 | u->refuse_manual_stop = true; | |
efdb0237 LP |
545 | SCOPE(u)->deserialized_state = SCOPE_RUNNING; |
546 | SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14; | |
547 | ||
548 | /* Prettify things, if we can. */ | |
549 | if (!u->description) | |
550 | u->description = strdup("System and Service Manager"); | |
551 | if (!u->documentation) | |
552 | (void) strv_extend(&u->documentation, "man:systemd(1)"); | |
553 | ||
554 | unit_add_to_load_queue(u); | |
555 | unit_add_to_dbus_queue(u); | |
efdb0237 LP |
556 | } |
557 | ||
6c12b52e LP |
558 | static const char* const scope_result_table[_SCOPE_RESULT_MAX] = { |
559 | [SCOPE_SUCCESS] = "success", | |
560 | [SCOPE_FAILURE_RESOURCES] = "resources", | |
561 | [SCOPE_FAILURE_TIMEOUT] = "timeout", | |
562 | }; | |
563 | ||
564 | DEFINE_STRING_TABLE_LOOKUP(scope_result, ScopeResult); | |
565 | ||
566 | const UnitVTable scope_vtable = { | |
567 | .object_size = sizeof(Scope), | |
718db961 LP |
568 | .cgroup_context_offset = offsetof(Scope, cgroup_context), |
569 | .kill_context_offset = offsetof(Scope, kill_context), | |
570 | ||
6c12b52e LP |
571 | .sections = |
572 | "Unit\0" | |
573 | "Scope\0" | |
574 | "Install\0", | |
6c12b52e | 575 | .private_section = "Scope", |
6c12b52e LP |
576 | |
577 | .no_alias = true, | |
578 | .no_instances = true, | |
579 | ||
580 | .init = scope_init, | |
581 | .load = scope_load, | |
582 | .done = scope_done, | |
583 | ||
584 | .coldplug = scope_coldplug, | |
585 | ||
586 | .dump = scope_dump, | |
587 | ||
588 | .start = scope_start, | |
589 | .stop = scope_stop, | |
590 | ||
591 | .kill = scope_kill, | |
592 | ||
68db7a3b ZJS |
593 | .get_timeout = scope_get_timeout, |
594 | ||
6c12b52e LP |
595 | .serialize = scope_serialize, |
596 | .deserialize_item = scope_deserialize_item, | |
597 | ||
598 | .active_state = scope_active_state, | |
599 | .sub_state_to_string = scope_sub_state_to_string, | |
600 | ||
601 | .check_gc = scope_check_gc, | |
602 | ||
a911bb9a LP |
603 | .sigchld_event = scope_sigchld_event, |
604 | ||
8bcca7e2 LP |
605 | .reset_failed = scope_reset_failed, |
606 | ||
6c12b52e LP |
607 | .notify_cgroup_empty = scope_notify_cgroup_empty_event, |
608 | ||
718db961 | 609 | .bus_vtable = bus_scope_vtable, |
6c12b52e LP |
610 | .bus_set_property = bus_scope_set_property, |
611 | .bus_commit_properties = bus_scope_commit_properties, | |
612 | ||
efdb0237 LP |
613 | .can_transient = true, |
614 | ||
615 | .enumerate = scope_enumerate, | |
6c12b52e | 616 | }; |