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Commit | Line | Data |
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6c12b52e LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2013 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include <errno.h> | |
6c12b52e LP |
21 | #include <unistd.h> |
22 | ||
b5efdb8a | 23 | #include "alloc-util.h" |
07630cea LP |
24 | #include "dbus-scope.h" |
25 | #include "load-dropin.h" | |
6c12b52e | 26 | #include "log.h" |
b5efdb8a | 27 | #include "scope.h" |
6c12b52e | 28 | #include "special.h" |
8b43440b | 29 | #include "string-table.h" |
07630cea LP |
30 | #include "string-util.h" |
31 | #include "strv.h" | |
6c12b52e | 32 | #include "unit-name.h" |
efdb0237 | 33 | #include "unit.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; |
1b4cd0cf | 53 | u->ignore_on_isolate = true; |
6c12b52e LP |
54 | } |
55 | ||
56 | static void scope_done(Unit *u) { | |
57 | Scope *s = SCOPE(u); | |
58 | ||
59 | assert(u); | |
60 | ||
2d4a39e7 LP |
61 | free(s->controller); |
62 | ||
718db961 LP |
63 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
64 | } | |
65 | ||
36c16a7c | 66 | static int scope_arm_timer(Scope *s, usec_t usec) { |
718db961 LP |
67 | int r; |
68 | ||
69 | assert(s); | |
70 | ||
718db961 | 71 | if (s->timer_event_source) { |
36c16a7c | 72 | r = sd_event_source_set_time(s->timer_event_source, usec); |
718db961 LP |
73 | if (r < 0) |
74 | return r; | |
75 | ||
76 | return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT); | |
77 | } | |
78 | ||
36c16a7c LP |
79 | if (usec == USEC_INFINITY) |
80 | return 0; | |
81 | ||
cbf60d0a | 82 | r = sd_event_add_time( |
6a0f1f6d LP |
83 | UNIT(s)->manager->event, |
84 | &s->timer_event_source, | |
85 | CLOCK_MONOTONIC, | |
36c16a7c | 86 | usec, 0, |
6a0f1f6d | 87 | scope_dispatch_timer, s); |
7dfbe2e3 TG |
88 | if (r < 0) |
89 | return r; | |
90 | ||
91 | (void) sd_event_source_set_description(s->timer_event_source, "scope-timer"); | |
92 | ||
93 | return 0; | |
6c12b52e LP |
94 | } |
95 | ||
96 | static void scope_set_state(Scope *s, ScopeState state) { | |
97 | ScopeState old_state; | |
98 | assert(s); | |
99 | ||
100 | old_state = s->state; | |
101 | s->state = state; | |
102 | ||
a911bb9a | 103 | if (!IN_SET(state, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) |
718db961 | 104 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
6c12b52e | 105 | |
a911bb9a LP |
106 | if (IN_SET(state, SCOPE_DEAD, SCOPE_FAILED)) |
107 | unit_unwatch_all_pids(UNIT(s)); | |
108 | ||
6c12b52e | 109 | if (state != old_state) |
a911bb9a | 110 | log_debug("%s changed %s -> %s", UNIT(s)->id, scope_state_to_string(old_state), scope_state_to_string(state)); |
6c12b52e LP |
111 | |
112 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], true); | |
113 | } | |
114 | ||
115 | static int scope_add_default_dependencies(Scope *s) { | |
116 | int r; | |
117 | ||
118 | assert(s); | |
119 | ||
4c9ea260 LP |
120 | if (!UNIT(s)->default_dependencies) |
121 | return 0; | |
122 | ||
6c12b52e LP |
123 | /* Make sure scopes are unloaded on shutdown */ |
124 | r = unit_add_two_dependencies_by_name( | |
125 | UNIT(s), | |
126 | UNIT_BEFORE, UNIT_CONFLICTS, | |
127 | SPECIAL_SHUTDOWN_TARGET, NULL, true); | |
128 | if (r < 0) | |
129 | return r; | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | static int scope_verify(Scope *s) { | |
135 | assert(s); | |
136 | ||
137 | if (UNIT(s)->load_state != UNIT_LOADED) | |
138 | return 0; | |
139 | ||
efdb0237 | 140 | if (set_isempty(UNIT(s)->pids) && |
09d2f5b1 | 141 | !manager_is_reloading_or_reexecuting(UNIT(s)->manager) && |
efdb0237 | 142 | !unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) { |
f2341e0a | 143 | log_unit_error(UNIT(s), "Scope has no PIDs. Refusing."); |
6c12b52e LP |
144 | return -EINVAL; |
145 | } | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
150 | static int scope_load(Unit *u) { | |
151 | Scope *s = SCOPE(u); | |
152 | int r; | |
153 | ||
154 | assert(s); | |
155 | assert(u->load_state == UNIT_STUB); | |
156 | ||
efdb0237 | 157 | if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager)) |
6c12b52e LP |
158 | return -ENOENT; |
159 | ||
160 | u->load_state = UNIT_LOADED; | |
161 | ||
162 | r = unit_load_dropin(u); | |
163 | if (r < 0) | |
164 | return r; | |
165 | ||
598459ce LP |
166 | r = unit_patch_contexts(u); |
167 | if (r < 0) | |
168 | return r; | |
169 | ||
d79200e2 | 170 | r = unit_set_default_slice(u); |
6c12b52e LP |
171 | if (r < 0) |
172 | return r; | |
173 | ||
4c9ea260 LP |
174 | r = scope_add_default_dependencies(s); |
175 | if (r < 0) | |
176 | return r; | |
6c12b52e LP |
177 | |
178 | return scope_verify(s); | |
179 | } | |
180 | ||
be847e82 | 181 | static int scope_coldplug(Unit *u) { |
6c12b52e LP |
182 | Scope *s = SCOPE(u); |
183 | int r; | |
184 | ||
185 | assert(s); | |
186 | assert(s->state == SCOPE_DEAD); | |
187 | ||
36c16a7c LP |
188 | if (s->deserialized_state == s->state) |
189 | return 0; | |
a911bb9a | 190 | |
36c16a7c LP |
191 | if (IN_SET(s->deserialized_state, SCOPE_STOP_SIGKILL, SCOPE_STOP_SIGTERM)) { |
192 | r = scope_arm_timer(s, usec_add(u->state_change_timestamp.monotonic, s->timeout_stop_usec)); | |
193 | if (r < 0) | |
194 | return r; | |
6c12b52e LP |
195 | } |
196 | ||
36c16a7c LP |
197 | if (!IN_SET(s->deserialized_state, SCOPE_DEAD, SCOPE_FAILED)) |
198 | unit_watch_all_pids(UNIT(s)); | |
199 | ||
200 | scope_set_state(s, s->deserialized_state); | |
6c12b52e LP |
201 | return 0; |
202 | } | |
203 | ||
204 | static void scope_dump(Unit *u, FILE *f, const char *prefix) { | |
205 | Scope *s = SCOPE(u); | |
206 | ||
207 | assert(s); | |
208 | assert(f); | |
209 | ||
210 | fprintf(f, | |
211 | "%sScope State: %s\n" | |
212 | "%sResult: %s\n", | |
213 | prefix, scope_state_to_string(s->state), | |
214 | prefix, scope_result_to_string(s->result)); | |
215 | ||
216 | cgroup_context_dump(&s->cgroup_context, f, prefix); | |
217 | kill_context_dump(&s->kill_context, f, prefix); | |
218 | } | |
219 | ||
220 | static void scope_enter_dead(Scope *s, ScopeResult f) { | |
221 | assert(s); | |
222 | ||
223 | if (f != SCOPE_SUCCESS) | |
224 | s->result = f; | |
225 | ||
226 | scope_set_state(s, s->result != SCOPE_SUCCESS ? SCOPE_FAILED : SCOPE_DEAD); | |
227 | } | |
228 | ||
229 | static void scope_enter_signal(Scope *s, ScopeState state, ScopeResult f) { | |
2d4a39e7 | 230 | bool skip_signal = false; |
6c12b52e LP |
231 | int r; |
232 | ||
233 | assert(s); | |
234 | ||
235 | if (f != SCOPE_SUCCESS) | |
236 | s->result = f; | |
237 | ||
a911bb9a LP |
238 | unit_watch_all_pids(UNIT(s)); |
239 | ||
2d4a39e7 LP |
240 | /* If we have a controller set let's ask the controller nicely |
241 | * to terminate the scope, instead of us going directly into | |
242 | * SIGTERM beserk mode */ | |
243 | if (state == SCOPE_STOP_SIGTERM) | |
244 | skip_signal = bus_scope_send_request_stop(s) > 0; | |
245 | ||
246 | if (!skip_signal) { | |
247 | r = unit_kill_context( | |
248 | UNIT(s), | |
249 | &s->kill_context, | |
db2cb23b | 250 | state != SCOPE_STOP_SIGTERM ? KILL_KILL : KILL_TERMINATE, |
2d4a39e7 LP |
251 | -1, -1, false); |
252 | if (r < 0) | |
253 | goto fail; | |
254 | } else | |
255 | r = 1; | |
6c12b52e LP |
256 | |
257 | if (r > 0) { | |
36c16a7c | 258 | r = scope_arm_timer(s, usec_add(now(CLOCK_MONOTONIC), s->timeout_stop_usec)); |
718db961 LP |
259 | if (r < 0) |
260 | goto fail; | |
6c12b52e LP |
261 | |
262 | scope_set_state(s, state); | |
ac84d1fb LP |
263 | } else if (state == SCOPE_STOP_SIGTERM) |
264 | scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_SUCCESS); | |
265 | else | |
6c12b52e LP |
266 | scope_enter_dead(s, SCOPE_SUCCESS); |
267 | ||
268 | return; | |
269 | ||
270 | fail: | |
f2341e0a | 271 | log_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); |
6c12b52e LP |
272 | |
273 | scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); | |
274 | } | |
275 | ||
276 | static int scope_start(Unit *u) { | |
277 | Scope *s = SCOPE(u); | |
278 | int r; | |
279 | ||
280 | assert(s); | |
281 | ||
efdb0237 LP |
282 | if (unit_has_name(u, SPECIAL_INIT_SCOPE)) |
283 | return -EPERM; | |
284 | ||
7b617155 LP |
285 | if (s->state == SCOPE_FAILED) |
286 | return -EPERM; | |
287 | ||
dd305ec9 | 288 | /* We can't fulfill this right now, please try again later */ |
6c12b52e LP |
289 | if (s->state == SCOPE_STOP_SIGTERM || |
290 | s->state == SCOPE_STOP_SIGKILL) | |
291 | return -EAGAIN; | |
292 | ||
293 | assert(s->state == SCOPE_DEAD); | |
294 | ||
efdb0237 | 295 | if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager)) |
6c12b52e LP |
296 | return -ENOENT; |
297 | ||
5ad096b3 LP |
298 | (void) unit_realize_cgroup(u); |
299 | (void) unit_reset_cpu_usage(u); | |
300 | ||
7b3fd631 | 301 | r = unit_attach_pids_to_cgroup(u); |
dd305ec9 | 302 | if (r < 0) { |
f2341e0a | 303 | log_unit_warning_errno(UNIT(s), r, "Failed to add PIDs to scope's control group: %m"); |
68a01fb6 | 304 | scope_enter_dead(s, SCOPE_FAILURE_RESOURCES); |
6c12b52e | 305 | return r; |
dd305ec9 | 306 | } |
6c12b52e | 307 | |
6c12b52e LP |
308 | s->result = SCOPE_SUCCESS; |
309 | ||
310 | scope_set_state(s, SCOPE_RUNNING); | |
82a2b6bb | 311 | return 1; |
6c12b52e LP |
312 | } |
313 | ||
314 | static int scope_stop(Unit *u) { | |
315 | Scope *s = SCOPE(u); | |
316 | ||
317 | assert(s); | |
6c12b52e LP |
318 | |
319 | if (s->state == SCOPE_STOP_SIGTERM || | |
320 | s->state == SCOPE_STOP_SIGKILL) | |
321 | return 0; | |
322 | ||
a911bb9a LP |
323 | assert(s->state == SCOPE_RUNNING || |
324 | s->state == SCOPE_ABANDONED); | |
6c12b52e LP |
325 | |
326 | scope_enter_signal(s, SCOPE_STOP_SIGTERM, SCOPE_SUCCESS); | |
82a2b6bb | 327 | return 1; |
6c12b52e LP |
328 | } |
329 | ||
8bcca7e2 LP |
330 | static void scope_reset_failed(Unit *u) { |
331 | Scope *s = SCOPE(u); | |
332 | ||
333 | assert(s); | |
334 | ||
335 | if (s->state == SCOPE_FAILED) | |
336 | scope_set_state(s, SCOPE_DEAD); | |
337 | ||
338 | s->result = SCOPE_SUCCESS; | |
339 | } | |
340 | ||
718db961 | 341 | static int scope_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { |
6c12b52e LP |
342 | return unit_kill_common(u, who, signo, -1, -1, error); |
343 | } | |
344 | ||
7a7821c8 | 345 | static int scope_get_timeout(Unit *u, usec_t *timeout) { |
68db7a3b | 346 | Scope *s = SCOPE(u); |
7a7821c8 | 347 | usec_t t; |
68db7a3b ZJS |
348 | int r; |
349 | ||
350 | if (!s->timer_event_source) | |
351 | return 0; | |
352 | ||
7a7821c8 | 353 | r = sd_event_source_get_time(s->timer_event_source, &t); |
68db7a3b ZJS |
354 | if (r < 0) |
355 | return r; | |
7a7821c8 LP |
356 | if (t == USEC_INFINITY) |
357 | return 0; | |
68db7a3b | 358 | |
7a7821c8 | 359 | *timeout = t; |
68db7a3b ZJS |
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 | ||
700e2d63 LP |
403 | if (!u->cgroup_path) |
404 | return false; | |
4e2744fc | 405 | |
700e2d63 | 406 | return cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path) <= 0; |
6c12b52e LP |
407 | } |
408 | ||
a911bb9a LP |
409 | static void scope_notify_cgroup_empty_event(Unit *u) { |
410 | Scope *s = SCOPE(u); | |
411 | assert(u); | |
412 | ||
f2341e0a | 413 | log_unit_debug(u, "cgroup is empty"); |
a911bb9a LP |
414 | |
415 | if (IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED, SCOPE_STOP_SIGTERM, SCOPE_STOP_SIGKILL)) | |
416 | scope_enter_dead(s, SCOPE_SUCCESS); | |
417 | } | |
418 | ||
419 | static void scope_sigchld_event(Unit *u, pid_t pid, int code, int status) { | |
420 | ||
421 | /* If we get a SIGCHLD event for one of the processes we were | |
422 | interested in, then we look for others to watch, under the | |
423 | assumption that we'll sooner or later get a SIGCHLD for | |
424 | them, as the original process we watched was probably the | |
425 | parent of them, and they are hence now our children. */ | |
426 | ||
427 | unit_tidy_watch_pids(u, 0, 0); | |
428 | unit_watch_all_pids(u); | |
429 | ||
430 | /* If the PID set is empty now, then let's finish this off */ | |
431 | if (set_isempty(u->pids)) | |
432 | scope_notify_cgroup_empty_event(u); | |
433 | } | |
434 | ||
718db961 LP |
435 | static int scope_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { |
436 | Scope *s = SCOPE(userdata); | |
6c12b52e LP |
437 | |
438 | assert(s); | |
718db961 | 439 | assert(s->timer_event_source == source); |
6c12b52e LP |
440 | |
441 | switch (s->state) { | |
442 | ||
443 | case SCOPE_STOP_SIGTERM: | |
444 | if (s->kill_context.send_sigkill) { | |
f2341e0a | 445 | log_unit_warning(UNIT(s), "Stopping timed out. Killing."); |
6c12b52e LP |
446 | scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_TIMEOUT); |
447 | } else { | |
f2341e0a | 448 | log_unit_warning(UNIT(s), "Stopping timed out. Skipping SIGKILL."); |
6c12b52e LP |
449 | scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); |
450 | } | |
451 | ||
452 | break; | |
453 | ||
454 | case SCOPE_STOP_SIGKILL: | |
f2341e0a | 455 | log_unit_warning(UNIT(s), "Still around after SIGKILL. Ignoring."); |
6c12b52e LP |
456 | scope_enter_dead(s, SCOPE_FAILURE_TIMEOUT); |
457 | break; | |
458 | ||
459 | default: | |
460 | assert_not_reached("Timeout at wrong time."); | |
461 | } | |
718db961 LP |
462 | |
463 | return 0; | |
6c12b52e LP |
464 | } |
465 | ||
a911bb9a LP |
466 | int scope_abandon(Scope *s) { |
467 | assert(s); | |
6c12b52e | 468 | |
efdb0237 LP |
469 | if (unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) |
470 | return -EPERM; | |
471 | ||
a911bb9a LP |
472 | if (!IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED)) |
473 | return -ESTALE; | |
6c12b52e | 474 | |
a1e58e8e | 475 | s->controller = mfree(s->controller); |
6c12b52e | 476 | |
a911bb9a LP |
477 | /* The client is no longer watching the remaining processes, |
478 | * so let's step in here, under the assumption that the | |
479 | * remaining processes will be sooner or later reassigned to | |
480 | * us as parent. */ | |
6c12b52e | 481 | |
a911bb9a LP |
482 | unit_tidy_watch_pids(UNIT(s), 0, 0); |
483 | unit_watch_all_pids(UNIT(s)); | |
6c12b52e | 484 | |
a911bb9a LP |
485 | /* If the PID set is empty now, then let's finish this off */ |
486 | if (set_isempty(UNIT(s)->pids)) | |
487 | scope_notify_cgroup_empty_event(UNIT(s)); | |
488 | else | |
489 | scope_set_state(s, SCOPE_ABANDONED); | |
490 | ||
491 | return 0; | |
6c12b52e LP |
492 | } |
493 | ||
494 | _pure_ static UnitActiveState scope_active_state(Unit *u) { | |
495 | assert(u); | |
496 | ||
497 | return state_translation_table[SCOPE(u)->state]; | |
498 | } | |
499 | ||
500 | _pure_ static const char *scope_sub_state_to_string(Unit *u) { | |
501 | assert(u); | |
502 | ||
503 | return scope_state_to_string(SCOPE(u)->state); | |
504 | } | |
505 | ||
ba64af90 | 506 | static void scope_enumerate(Manager *m) { |
efdb0237 LP |
507 | Unit *u; |
508 | int r; | |
509 | ||
510 | assert(m); | |
511 | ||
512 | /* Let's unconditionally add the "init.scope" special unit | |
513 | * that encapsulates PID 1. Note that PID 1 already is in the | |
514 | * cgroup for this, we hence just need to allocate the object | |
515 | * for it and that's it. */ | |
516 | ||
517 | u = manager_get_unit(m, SPECIAL_INIT_SCOPE); | |
518 | if (!u) { | |
519 | u = unit_new(m, sizeof(Scope)); | |
ba64af90 LP |
520 | if (!u) { |
521 | log_oom(); | |
522 | return; | |
523 | } | |
efdb0237 LP |
524 | |
525 | r = unit_add_name(u, SPECIAL_INIT_SCOPE); | |
526 | if (r < 0) { | |
527 | unit_free(u); | |
ba64af90 LP |
528 | log_error_errno(r, "Failed to add init.scope name"); |
529 | return; | |
efdb0237 LP |
530 | } |
531 | } | |
532 | ||
533 | u->transient = true; | |
534 | u->default_dependencies = false; | |
535 | u->no_gc = true; | |
41780022 LP |
536 | u->ignore_on_isolate = true; |
537 | u->refuse_manual_start = true; | |
538 | u->refuse_manual_stop = true; | |
efdb0237 LP |
539 | SCOPE(u)->deserialized_state = SCOPE_RUNNING; |
540 | SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14; | |
541 | ||
542 | /* Prettify things, if we can. */ | |
543 | if (!u->description) | |
544 | u->description = strdup("System and Service Manager"); | |
545 | if (!u->documentation) | |
546 | (void) strv_extend(&u->documentation, "man:systemd(1)"); | |
547 | ||
548 | unit_add_to_load_queue(u); | |
549 | unit_add_to_dbus_queue(u); | |
efdb0237 LP |
550 | } |
551 | ||
6c12b52e LP |
552 | static const char* const scope_result_table[_SCOPE_RESULT_MAX] = { |
553 | [SCOPE_SUCCESS] = "success", | |
554 | [SCOPE_FAILURE_RESOURCES] = "resources", | |
555 | [SCOPE_FAILURE_TIMEOUT] = "timeout", | |
556 | }; | |
557 | ||
558 | DEFINE_STRING_TABLE_LOOKUP(scope_result, ScopeResult); | |
559 | ||
560 | const UnitVTable scope_vtable = { | |
561 | .object_size = sizeof(Scope), | |
718db961 LP |
562 | .cgroup_context_offset = offsetof(Scope, cgroup_context), |
563 | .kill_context_offset = offsetof(Scope, kill_context), | |
564 | ||
6c12b52e LP |
565 | .sections = |
566 | "Unit\0" | |
567 | "Scope\0" | |
568 | "Install\0", | |
6c12b52e | 569 | .private_section = "Scope", |
6c12b52e LP |
570 | |
571 | .no_alias = true, | |
572 | .no_instances = true, | |
700e2d63 | 573 | .can_transient = true, |
6c12b52e LP |
574 | |
575 | .init = scope_init, | |
576 | .load = scope_load, | |
577 | .done = scope_done, | |
578 | ||
579 | .coldplug = scope_coldplug, | |
580 | ||
581 | .dump = scope_dump, | |
582 | ||
583 | .start = scope_start, | |
584 | .stop = scope_stop, | |
585 | ||
586 | .kill = scope_kill, | |
587 | ||
68db7a3b ZJS |
588 | .get_timeout = scope_get_timeout, |
589 | ||
6c12b52e LP |
590 | .serialize = scope_serialize, |
591 | .deserialize_item = scope_deserialize_item, | |
592 | ||
593 | .active_state = scope_active_state, | |
594 | .sub_state_to_string = scope_sub_state_to_string, | |
595 | ||
596 | .check_gc = scope_check_gc, | |
597 | ||
a911bb9a LP |
598 | .sigchld_event = scope_sigchld_event, |
599 | ||
8bcca7e2 LP |
600 | .reset_failed = scope_reset_failed, |
601 | ||
6c12b52e LP |
602 | .notify_cgroup_empty = scope_notify_cgroup_empty_event, |
603 | ||
718db961 | 604 | .bus_vtable = bus_scope_vtable, |
6c12b52e LP |
605 | .bus_set_property = bus_scope_set_property, |
606 | .bus_commit_properties = bus_scope_commit_properties, | |
607 | ||
efdb0237 | 608 | .enumerate = scope_enumerate, |
6c12b52e | 609 | }; |