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