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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 | ||
4c9ea260 LP |
125 | if (!UNIT(s)->default_dependencies) |
126 | return 0; | |
127 | ||
6c12b52e LP |
128 | /* Make sure scopes are unloaded on shutdown */ |
129 | r = unit_add_two_dependencies_by_name( | |
130 | UNIT(s), | |
131 | UNIT_BEFORE, UNIT_CONFLICTS, | |
132 | SPECIAL_SHUTDOWN_TARGET, NULL, true); | |
133 | if (r < 0) | |
134 | return r; | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | static int scope_verify(Scope *s) { | |
140 | assert(s); | |
141 | ||
142 | if (UNIT(s)->load_state != UNIT_LOADED) | |
143 | return 0; | |
144 | ||
efdb0237 | 145 | if (set_isempty(UNIT(s)->pids) && |
09d2f5b1 | 146 | !manager_is_reloading_or_reexecuting(UNIT(s)->manager) && |
efdb0237 | 147 | !unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) { |
f2341e0a | 148 | log_unit_error(UNIT(s), "Scope has no PIDs. Refusing."); |
6c12b52e LP |
149 | return -EINVAL; |
150 | } | |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
155 | static int scope_load(Unit *u) { | |
156 | Scope *s = SCOPE(u); | |
157 | int r; | |
158 | ||
159 | assert(s); | |
160 | assert(u->load_state == UNIT_STUB); | |
161 | ||
efdb0237 | 162 | if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager)) |
6c12b52e LP |
163 | return -ENOENT; |
164 | ||
165 | u->load_state = UNIT_LOADED; | |
166 | ||
167 | r = unit_load_dropin(u); | |
168 | if (r < 0) | |
169 | return r; | |
170 | ||
598459ce LP |
171 | r = unit_patch_contexts(u); |
172 | if (r < 0) | |
173 | return r; | |
174 | ||
d79200e2 | 175 | r = unit_set_default_slice(u); |
6c12b52e LP |
176 | if (r < 0) |
177 | return r; | |
178 | ||
4c9ea260 LP |
179 | r = scope_add_default_dependencies(s); |
180 | if (r < 0) | |
181 | return r; | |
6c12b52e LP |
182 | |
183 | return scope_verify(s); | |
184 | } | |
185 | ||
be847e82 | 186 | static int scope_coldplug(Unit *u) { |
6c12b52e LP |
187 | Scope *s = SCOPE(u); |
188 | int r; | |
189 | ||
190 | assert(s); | |
191 | assert(s->state == SCOPE_DEAD); | |
192 | ||
193 | if (s->deserialized_state != s->state) { | |
194 | ||
a911bb9a | 195 | if (IN_SET(s->deserialized_state, SCOPE_STOP_SIGKILL, SCOPE_STOP_SIGTERM)) { |
718db961 | 196 | r = scope_arm_timer(s); |
6c12b52e | 197 | if (r < 0) |
6c12b52e LP |
198 | return r; |
199 | } | |
200 | ||
a911bb9a LP |
201 | if (!IN_SET(s->deserialized_state, SCOPE_DEAD, SCOPE_FAILED)) |
202 | unit_watch_all_pids(UNIT(s)); | |
203 | ||
6c12b52e LP |
204 | scope_set_state(s, s->deserialized_state); |
205 | } | |
206 | ||
207 | return 0; | |
208 | } | |
209 | ||
210 | static void scope_dump(Unit *u, FILE *f, const char *prefix) { | |
211 | Scope *s = SCOPE(u); | |
212 | ||
213 | assert(s); | |
214 | assert(f); | |
215 | ||
216 | fprintf(f, | |
217 | "%sScope State: %s\n" | |
218 | "%sResult: %s\n", | |
219 | prefix, scope_state_to_string(s->state), | |
220 | prefix, scope_result_to_string(s->result)); | |
221 | ||
222 | cgroup_context_dump(&s->cgroup_context, f, prefix); | |
223 | kill_context_dump(&s->kill_context, f, prefix); | |
224 | } | |
225 | ||
226 | static void scope_enter_dead(Scope *s, ScopeResult f) { | |
227 | assert(s); | |
228 | ||
229 | if (f != SCOPE_SUCCESS) | |
230 | s->result = f; | |
231 | ||
232 | scope_set_state(s, s->result != SCOPE_SUCCESS ? SCOPE_FAILED : SCOPE_DEAD); | |
233 | } | |
234 | ||
235 | static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { | |
2d4a39e7 | 236 | bool skip_signal = false; |
6c12b52e LP |
237 | int r; |
238 | ||
239 | assert(s); | |
240 | ||
241 | if (f != SCOPE_SUCCESS) | |
242 | s->result = f; | |
243 | ||
a911bb9a LP |
244 | unit_watch_all_pids(UNIT(s)); |
245 | ||
2d4a39e7 LP |
246 | /* If we have a controller set let's ask the controller nicely |
247 | * to terminate the scope, instead of us going directly into | |
248 | * SIGTERM beserk mode */ | |
249 | if (state == SCOPE_STOP_SIGTERM) | |
250 | skip_signal = bus_scope_send_request_stop(s) > 0; | |
251 | ||
252 | if (!skip_signal) { | |
253 | r = unit_kill_context( | |
254 | UNIT(s), | |
255 | &s->kill_context, | |
db2cb23b | 256 | state != SCOPE_STOP_SIGTERM ? KILL_KILL : KILL_TERMINATE, |
2d4a39e7 LP |
257 | -1, -1, false); |
258 | if (r < 0) | |
259 | goto fail; | |
260 | } else | |
261 | r = 1; | |
6c12b52e LP |
262 | |
263 | if (r > 0) { | |
718db961 LP |
264 | r = scope_arm_timer(s); |
265 | if (r < 0) | |
266 | goto fail; | |
6c12b52e LP |
267 | |
268 | scope_set_state(s, state); | |
ac84d1fb LP |
269 | } else if (state == SCOPE_STOP_SIGTERM) |
270 | scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_SUCCESS); | |
271 | else | |
6c12b52e LP |
272 | scope_enter_dead(s, SCOPE_SUCCESS); |
273 | ||
274 | return; | |
275 | ||
276 | fail: | |
f2341e0a | 277 | log_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); |
6c12b52e LP |
278 | |
279 | scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); | |
280 | } | |
281 | ||
282 | static int scope_start(Unit *u) { | |
283 | Scope *s = SCOPE(u); | |
284 | int r; | |
285 | ||
286 | assert(s); | |
287 | ||
efdb0237 LP |
288 | if (unit_has_name(u, SPECIAL_INIT_SCOPE)) |
289 | return -EPERM; | |
290 | ||
7b617155 LP |
291 | if (s->state == SCOPE_FAILED) |
292 | return -EPERM; | |
293 | ||
dd305ec9 | 294 | /* We can't fulfill this right now, please try again later */ |
6c12b52e LP |
295 | if (s->state == SCOPE_STOP_SIGTERM || |
296 | s->state == SCOPE_STOP_SIGKILL) | |
297 | return -EAGAIN; | |
298 | ||
299 | assert(s->state == SCOPE_DEAD); | |
300 | ||
efdb0237 | 301 | if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager)) |
6c12b52e LP |
302 | return -ENOENT; |
303 | ||
5ad096b3 LP |
304 | (void) unit_realize_cgroup(u); |
305 | (void) unit_reset_cpu_usage(u); | |
306 | ||
7b3fd631 | 307 | r = unit_attach_pids_to_cgroup(u); |
dd305ec9 | 308 | if (r < 0) { |
f2341e0a | 309 | log_unit_warning_errno(UNIT(s), r, "Failed to add PIDs to scope's control group: %m"); |
68a01fb6 | 310 | scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); |
6c12b52e | 311 | return r; |
dd305ec9 | 312 | } |
6c12b52e | 313 | |
6c12b52e LP |
314 | s->result = SCOPE_SUCCESS; |
315 | ||
316 | scope_set_state(s, SCOPE_RUNNING); | |
82a2b6bb | 317 | return 1; |
6c12b52e LP |
318 | } |
319 | ||
320 | static int scope_stop(Unit *u) { | |
321 | Scope *s = SCOPE(u); | |
322 | ||
323 | assert(s); | |
6c12b52e LP |
324 | |
325 | if (s->state == SCOPE_STOP_SIGTERM || | |
326 | s->state == SCOPE_STOP_SIGKILL) | |
327 | return 0; | |
328 | ||
a911bb9a LP |
329 | assert(s->state == SCOPE_RUNNING || |
330 | s->state == SCOPE_ABANDONED); | |
6c12b52e LP |
331 | |
332 | scope_enter_signal(s, SCOPE_STOP_SIGTERM, SCOPE_SUCCESS); | |
82a2b6bb | 333 | return 1; |
6c12b52e LP |
334 | } |
335 | ||
8bcca7e2 LP |
336 | static void scope_reset_failed(Unit *u) { |
337 | Scope *s = SCOPE(u); | |
338 | ||
339 | assert(s); | |
340 | ||
341 | if (s->state == SCOPE_FAILED) | |
342 | scope_set_state(s, SCOPE_DEAD); | |
343 | ||
344 | s->result = SCOPE_SUCCESS; | |
345 | } | |
346 | ||
718db961 | 347 | static int scope_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { |
6c12b52e LP |
348 | return unit_kill_common(u, who, signo, -1, -1, error); |
349 | } | |
350 | ||
68db7a3b ZJS |
351 | static int scope_get_timeout(Unit *u, uint64_t *timeout) { |
352 | Scope *s = SCOPE(u); | |
353 | int r; | |
354 | ||
355 | if (!s->timer_event_source) | |
356 | return 0; | |
357 | ||
358 | r = sd_event_source_get_time(s->timer_event_source, timeout); | |
359 | if (r < 0) | |
360 | return r; | |
361 | ||
362 | return 1; | |
363 | } | |
364 | ||
6c12b52e LP |
365 | static int scope_serialize(Unit *u, FILE *f, FDSet *fds) { |
366 | Scope *s = SCOPE(u); | |
367 | ||
368 | assert(s); | |
369 | assert(f); | |
370 | assert(fds); | |
371 | ||
372 | unit_serialize_item(u, f, "state", scope_state_to_string(s->state)); | |
373 | return 0; | |
374 | } | |
375 | ||
376 | static int scope_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
377 | Scope *s = SCOPE(u); | |
378 | ||
379 | assert(u); | |
380 | assert(key); | |
381 | assert(value); | |
382 | assert(fds); | |
383 | ||
384 | if (streq(key, "state")) { | |
385 | ScopeState state; | |
386 | ||
387 | state = scope_state_from_string(value); | |
388 | if (state < 0) | |
f2341e0a | 389 | log_unit_debug(u, "Failed to parse state value: %s", value); |
6c12b52e LP |
390 | else |
391 | s->deserialized_state = state; | |
392 | ||
393 | } else | |
f2341e0a | 394 | log_unit_debug(u, "Unknown serialization key: %s", key); |
6c12b52e LP |
395 | |
396 | return 0; | |
397 | } | |
398 | ||
399 | static bool scope_check_gc(Unit *u) { | |
4e2744fc | 400 | assert(u); |
6c12b52e LP |
401 | |
402 | /* Never clean up scopes that still have a process around, | |
403 | * even if the scope is formally dead. */ | |
404 | ||
a911bb9a | 405 | if (u->cgroup_path) { |
4e2744fc RC |
406 | int r; |
407 | ||
6f883237 | 408 | r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path); |
6c12b52e LP |
409 | if (r <= 0) |
410 | return true; | |
411 | } | |
412 | ||
413 | return false; | |
414 | } | |
415 | ||
a911bb9a LP |
416 | static void scope_notify_cgroup_empty_event(Unit *u) { |
417 | Scope *s = SCOPE(u); | |
418 | assert(u); | |
419 | ||
f2341e0a | 420 | log_unit_debug(u, "cgroup is empty"); |
a911bb9a LP |
421 | |
422 | if (IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) | |
423 | scope_enter_dead(s, SCOPE_SUCCESS); | |
424 | } | |
425 | ||
426 | static void scope_sigchld_event(Unit *u, pid_t pid, int code, int status) { | |
427 | ||
428 | /* If we get a SIGCHLD event for one of the processes we were | |
429 | interested in, then we look for others to watch, under the | |
430 | assumption that we'll sooner or later get a SIGCHLD for | |
431 | them, as the original process we watched was probably the | |
432 | parent of them, and they are hence now our children. */ | |
433 | ||
434 | unit_tidy_watch_pids(u, 0, 0); | |
435 | unit_watch_all_pids(u); | |
436 | ||
437 | /* If the PID set is empty now, then let's finish this off */ | |
438 | if (set_isempty(u->pids)) | |
439 | scope_notify_cgroup_empty_event(u); | |
440 | } | |
441 | ||
718db961 LP |
442 | static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { |
443 | Scope *s = SCOPE(userdata); | |
6c12b52e LP |
444 | |
445 | assert(s); | |
718db961 | 446 | assert(s->timer_event_source == source); |
6c12b52e LP |
447 | |
448 | switch (s->state) { | |
449 | ||
450 | case SCOPE_STOP_SIGTERM: | |
451 | if (s->kill_context.send_sigkill) { | |
f2341e0a | 452 | log_unit_warning(UNIT(s), "Stopping timed out. Killing."); |
6c12b52e LP |
453 | scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_TIMEOUT); |
454 | } else { | |
f2341e0a | 455 | log_unit_warning(UNIT(s), "Stopping timed out. Skipping SIGKILL."); |
6c12b52e LP |
456 | scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); |
457 | } | |
458 | ||
459 | break; | |
460 | ||
461 | case SCOPE_STOP_SIGKILL: | |
f2341e0a | 462 | log_unit_warning(UNIT(s), "Still around after SIGKILL. Ignoring."); |
6c12b52e LP |
463 | scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); |
464 | break; | |
465 | ||
466 | default: | |
467 | assert_not_reached("Timeout at wrong time."); | |
468 | } | |
718db961 LP |
469 | |
470 | return 0; | |
6c12b52e LP |
471 | } |
472 | ||
a911bb9a LP |
473 | int scope_abandon(Scope *s) { |
474 | assert(s); | |
6c12b52e | 475 | |
efdb0237 LP |
476 | if (unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) |
477 | return -EPERM; | |
478 | ||
a911bb9a LP |
479 | if (!IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED)) |
480 | return -ESTALE; | |
6c12b52e | 481 | |
a1e58e8e | 482 | s->controller = mfree(s->controller); |
6c12b52e | 483 | |
a911bb9a LP |
484 | /* The client is no longer watching the remaining processes, |
485 | * so let's step in here, under the assumption that the | |
486 | * remaining processes will be sooner or later reassigned to | |
487 | * us as parent. */ | |
6c12b52e | 488 | |
a911bb9a LP |
489 | unit_tidy_watch_pids(UNIT(s), 0, 0); |
490 | unit_watch_all_pids(UNIT(s)); | |
6c12b52e | 491 | |
a911bb9a LP |
492 | /* If the PID set is empty now, then let's finish this off */ |
493 | if (set_isempty(UNIT(s)->pids)) | |
494 | scope_notify_cgroup_empty_event(UNIT(s)); | |
495 | else | |
496 | scope_set_state(s, SCOPE_ABANDONED); | |
497 | ||
498 | return 0; | |
6c12b52e LP |
499 | } |
500 | ||
501 | _pure_ static UnitActiveState scope_active_state(Unit *u) { | |
502 | assert(u); | |
503 | ||
504 | return state_translation_table[SCOPE(u)->state]; | |
505 | } | |
506 | ||
507 | _pure_ static const char *scope_sub_state_to_string(Unit *u) { | |
508 | assert(u); | |
509 | ||
510 | return scope_state_to_string(SCOPE(u)->state); | |
511 | } | |
512 | ||
ba64af90 | 513 | static void scope_enumerate(Manager *m) { |
efdb0237 LP |
514 | Unit *u; |
515 | int r; | |
516 | ||
517 | assert(m); | |
518 | ||
519 | /* Let's unconditionally add the "init.scope" special unit | |
520 | * that encapsulates PID 1. Note that PID 1 already is in the | |
521 | * cgroup for this, we hence just need to allocate the object | |
522 | * for it and that's it. */ | |
523 | ||
524 | u = manager_get_unit(m, SPECIAL_INIT_SCOPE); | |
525 | if (!u) { | |
526 | u = unit_new(m, sizeof(Scope)); | |
ba64af90 LP |
527 | if (!u) { |
528 | log_oom(); | |
529 | return; | |
530 | } | |
efdb0237 LP |
531 | |
532 | r = unit_add_name(u, SPECIAL_INIT_SCOPE); | |
533 | if (r < 0) { | |
534 | unit_free(u); | |
ba64af90 LP |
535 | log_error_errno(r, "Failed to add init.scope name"); |
536 | return; | |
efdb0237 LP |
537 | } |
538 | } | |
539 | ||
540 | u->transient = true; | |
541 | u->default_dependencies = false; | |
542 | u->no_gc = true; | |
41780022 LP |
543 | u->ignore_on_isolate = true; |
544 | u->refuse_manual_start = true; | |
545 | u->refuse_manual_stop = true; | |
efdb0237 LP |
546 | SCOPE(u)->deserialized_state = SCOPE_RUNNING; |
547 | SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14; | |
548 | ||
549 | /* Prettify things, if we can. */ | |
550 | if (!u->description) | |
551 | u->description = strdup("System and Service Manager"); | |
552 | if (!u->documentation) | |
553 | (void) strv_extend(&u->documentation, "man:systemd(1)"); | |
554 | ||
555 | unit_add_to_load_queue(u); | |
556 | unit_add_to_dbus_queue(u); | |
efdb0237 LP |
557 | } |
558 | ||
6c12b52e LP |
559 | static const char* const scope_result_table[_SCOPE_RESULT_MAX] = { |
560 | [SCOPE_SUCCESS] = "success", | |
561 | [SCOPE_FAILURE_RESOURCES] = "resources", | |
562 | [SCOPE_FAILURE_TIMEOUT] = "timeout", | |
563 | }; | |
564 | ||
565 | DEFINE_STRING_TABLE_LOOKUP(scope_result, ScopeResult); | |
566 | ||
567 | const UnitVTable scope_vtable = { | |
568 | .object_size = sizeof(Scope), | |
718db961 LP |
569 | .cgroup_context_offset = offsetof(Scope, cgroup_context), |
570 | .kill_context_offset = offsetof(Scope, kill_context), | |
571 | ||
6c12b52e LP |
572 | .sections = |
573 | "Unit\0" | |
574 | "Scope\0" | |
575 | "Install\0", | |
6c12b52e | 576 | .private_section = "Scope", |
6c12b52e LP |
577 | |
578 | .no_alias = true, | |
579 | .no_instances = true, | |
580 | ||
581 | .init = scope_init, | |
582 | .load = scope_load, | |
583 | .done = scope_done, | |
584 | ||
585 | .coldplug = scope_coldplug, | |
586 | ||
587 | .dump = scope_dump, | |
588 | ||
589 | .start = scope_start, | |
590 | .stop = scope_stop, | |
591 | ||
592 | .kill = scope_kill, | |
593 | ||
68db7a3b ZJS |
594 | .get_timeout = scope_get_timeout, |
595 | ||
6c12b52e LP |
596 | .serialize = scope_serialize, |
597 | .deserialize_item = scope_deserialize_item, | |
598 | ||
599 | .active_state = scope_active_state, | |
600 | .sub_state_to_string = scope_sub_state_to_string, | |
601 | ||
602 | .check_gc = scope_check_gc, | |
603 | ||
a911bb9a LP |
604 | .sigchld_event = scope_sigchld_event, |
605 | ||
8bcca7e2 LP |
606 | .reset_failed = scope_reset_failed, |
607 | ||
6c12b52e LP |
608 | .notify_cgroup_empty = scope_notify_cgroup_empty_event, |
609 | ||
718db961 | 610 | .bus_vtable = bus_scope_vtable, |
6c12b52e LP |
611 | .bus_set_property = bus_scope_set_property, |
612 | .bus_commit_properties = bus_scope_commit_properties, | |
613 | ||
efdb0237 LP |
614 | .can_transient = true, |
615 | ||
616 | .enumerate = scope_enumerate, | |
6c12b52e | 617 | }; |