]>
Commit | Line | Data |
---|---|---|
5cb5a6ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 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 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
5cb5a6ff | 22 | #include <errno.h> |
034c6ed7 | 23 | #include <signal.h> |
2c4104f0 LP |
24 | #include <dirent.h> |
25 | #include <unistd.h> | |
5cb5a6ff | 26 | |
87f0e418 | 27 | #include "unit.h" |
5cb5a6ff LP |
28 | #include "service.h" |
29 | #include "load-fragment.h" | |
30 | #include "load-dropin.h" | |
034c6ed7 | 31 | #include "log.h" |
2c4104f0 LP |
32 | #include "strv.h" |
33 | ||
34 | #define COMMENTS "#;\n" | |
35 | #define NEWLINES "\n\r" | |
36 | #define LINE_MAX 4096 | |
034c6ed7 | 37 | |
acbb0225 | 38 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
39 | [SERVICE_DEAD] = UNIT_INACTIVE, |
40 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
41 | [SERVICE_START] = UNIT_ACTIVATING, | |
42 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
43 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
44 | [SERVICE_RELOAD] = UNIT_ACTIVE_RELOADING, | |
45 | [SERVICE_STOP] = UNIT_DEACTIVATING, | |
46 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
47 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
48 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
49 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
50 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
51 | [SERVICE_MAINTAINANCE] = UNIT_INACTIVE, | |
52 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING, | |
034c6ed7 | 53 | }; |
5cb5a6ff | 54 | |
87f0e418 LP |
55 | static void service_done(Unit *u) { |
56 | Service *s = SERVICE(u); | |
44d8db9e LP |
57 | |
58 | assert(s); | |
59 | ||
60 | free(s->pid_file); | |
61 | s->pid_file = NULL; | |
62 | ||
2c4104f0 LP |
63 | free(s->sysv_path); |
64 | s->sysv_path = NULL; | |
65 | ||
44d8db9e LP |
66 | exec_context_done(&s->exec_context); |
67 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_MAX); | |
68 | s->control_command = NULL; | |
69 | ||
70 | /* This will leak a process, but at least no memory or any of | |
71 | * our resources */ | |
72 | if (s->main_pid > 0) { | |
87f0e418 | 73 | unit_unwatch_pid(u, s->main_pid); |
44d8db9e LP |
74 | s->main_pid = 0; |
75 | } | |
76 | ||
77 | if (s->control_pid > 0) { | |
87f0e418 | 78 | unit_unwatch_pid(u, s->control_pid); |
44d8db9e LP |
79 | s->control_pid = 0; |
80 | } | |
81 | ||
acbb0225 | 82 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
83 | } |
84 | ||
2c4104f0 LP |
85 | static int sysv_translate_name(const char *name, char **_r) { |
86 | ||
87 | static const char * const table[] = { | |
88 | "$local_fs", SPECIAL_LOCAL_FS_TARGET, | |
89 | "$network", SPECIAL_NETWORK_TARGET, | |
90 | "$named", SPECIAL_NSS_LOOKUP_TARGET, | |
91 | "$portmap", SPECIAL_RPCBIND_TARGET, | |
92 | "$remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
93 | "$syslog", SPECIAL_SYSLOG_TARGET, | |
94 | "$time", SPECIAL_RTC_SET_TARGET | |
95 | }; | |
96 | ||
97 | unsigned i; | |
98 | char *r; | |
99 | ||
100 | for (i = 0; i < ELEMENTSOF(table); i += 2) | |
101 | if (streq(table[i], name)) { | |
102 | if (!(r = strdup(table[i+1]))) | |
103 | return -ENOMEM; | |
104 | ||
105 | goto finish; | |
106 | } | |
107 | ||
108 | if (*name == '$') | |
109 | return 0; | |
110 | ||
111 | if (asprintf(&r, "%s.service", name) < 0) | |
112 | return -ENOMEM; | |
113 | ||
114 | finish: | |
115 | ||
116 | if (_r) | |
117 | *_r = r; | |
118 | ||
119 | return 1; | |
120 | } | |
121 | ||
122 | static int sysv_chkconfig_order(Service *s) { | |
123 | Meta *other; | |
124 | int r; | |
125 | ||
126 | assert(s); | |
127 | ||
128 | if (s->sysv_start_priority < 0) | |
129 | return 0; | |
130 | ||
131 | /* If no LSB header is found we try to order init scripts via | |
132 | * the start priority of the chkconfig header. */ | |
133 | ||
134 | LIST_FOREACH(units_per_type, other, UNIT(s)->meta.manager->units_per_type[UNIT_SERVICE]) { | |
135 | Service *t; | |
136 | UnitDependency d; | |
137 | ||
138 | t = (Service*) other; | |
139 | ||
140 | if (s == t) | |
141 | continue; | |
142 | ||
143 | if (t->sysv_start_priority < 0) | |
144 | continue; | |
145 | ||
146 | if (t->sysv_start_priority < s->sysv_start_priority) | |
147 | d = UNIT_AFTER; | |
148 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
149 | d = UNIT_BEFORE; | |
150 | else | |
151 | continue; | |
152 | ||
153 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
154 | ||
155 | if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t))) < 0) | |
156 | return r; | |
157 | } | |
158 | ||
159 | return 0; | |
160 | } | |
161 | ||
162 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
163 | ExecCommand *c; | |
164 | ||
165 | if (!(c = new0(ExecCommand, 1))) | |
166 | return NULL; | |
167 | ||
168 | if (!(c->path = strdup(path))) { | |
169 | free(c); | |
170 | return NULL; | |
171 | } | |
172 | ||
173 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
174 | free(c->path); | |
175 | free(c); | |
176 | return NULL; | |
177 | } | |
178 | ||
179 | return c; | |
180 | } | |
181 | ||
182 | static int sysv_exec_commands(Service *s) { | |
183 | ExecCommand *c; | |
184 | ||
185 | assert(s); | |
186 | assert(s->sysv_path); | |
187 | ||
188 | if (!(c = exec_command_new(s->sysv_path, "start"))) | |
189 | return -ENOMEM; | |
190 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
191 | ||
192 | if (!(c = exec_command_new(s->sysv_path, "stop"))) | |
193 | return -ENOMEM; | |
194 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
195 | ||
196 | if (!(c = exec_command_new(s->sysv_path, "reload"))) | |
197 | return -ENOMEM; | |
198 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
203 | static int service_load_sysv_path(Service *s, const char *path) { | |
204 | FILE *f; | |
205 | Unit *u; | |
206 | unsigned line = 0; | |
207 | int r; | |
208 | enum { | |
209 | NORMAL, | |
210 | DESCRIPTION, | |
211 | LSB, | |
212 | LSB_DESCRIPTION | |
213 | } state = NORMAL; | |
214 | bool has_lsb = false; | |
215 | ||
216 | u = UNIT(s); | |
217 | ||
218 | if (!(f = fopen(path, "re"))) { | |
219 | r = errno == ENOENT ? 0 : -errno; | |
220 | goto finish; | |
221 | } | |
222 | ||
223 | s->type = SERVICE_FORKING; | |
224 | s->restart = SERVICE_ONCE; | |
225 | ||
226 | free(s->sysv_path); | |
227 | if (!(s->sysv_path = strdup(path))) { | |
228 | r = -ENOMEM; | |
229 | goto finish; | |
230 | } | |
231 | ||
232 | while (!feof(f)) { | |
233 | char l[LINE_MAX], *t; | |
234 | ||
235 | if (!fgets(l, sizeof(l), f)) { | |
236 | if (feof(f)) | |
237 | break; | |
238 | ||
239 | r = -errno; | |
240 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
241 | goto finish; | |
242 | } | |
243 | ||
244 | line++; | |
245 | ||
246 | t = strstrip(l); | |
247 | if (*t != '#') | |
248 | continue; | |
249 | ||
250 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
251 | state = LSB; | |
252 | has_lsb = true; | |
253 | continue; | |
254 | } | |
255 | ||
256 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
257 | state = NORMAL; | |
258 | continue; | |
259 | } | |
260 | ||
261 | t++; | |
262 | t += strspn(t, WHITESPACE); | |
263 | ||
264 | if (state == NORMAL) { | |
265 | ||
266 | /* Try to parse Red Hat style chkconfig headers */ | |
267 | ||
268 | if (startswith(t, "chkconfig:")) { | |
269 | int start_priority; | |
270 | ||
271 | state = NORMAL; | |
272 | ||
273 | if (sscanf(t+10, "%*15s %i %*i", | |
274 | &start_priority) != 1) { | |
275 | ||
276 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
277 | continue; | |
278 | } | |
279 | ||
280 | if (start_priority < 0 || start_priority > 99) { | |
281 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); | |
282 | continue; | |
283 | } | |
284 | ||
285 | s->sysv_start_priority = start_priority; | |
286 | ||
287 | } else if (startswith(t, "description:")) { | |
288 | ||
289 | size_t k = strlen(t); | |
290 | char *d; | |
291 | ||
292 | if (t[k-1] == '\\') { | |
293 | state = DESCRIPTION; | |
294 | t[k-1] = 0; | |
295 | } | |
296 | ||
297 | if (!(d = strdup(strstrip(t+12)))) { | |
298 | r = -ENOMEM; | |
299 | goto finish; | |
300 | } | |
301 | ||
302 | free(u->meta.description); | |
303 | u->meta.description = d; | |
304 | ||
305 | } else if (startswith(t, "pidfile:")) { | |
306 | ||
307 | char *fn; | |
308 | ||
309 | state = NORMAL; | |
310 | ||
311 | fn = strstrip(t+8); | |
312 | if (!path_is_absolute(fn)) { | |
313 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
314 | continue; | |
315 | } | |
316 | ||
317 | if (!(fn = strdup(fn))) { | |
318 | r = -ENOMEM; | |
319 | goto finish; | |
320 | } | |
321 | ||
322 | free(s->pid_file); | |
323 | s->pid_file = fn; | |
324 | } | |
325 | ||
326 | } else if (state == DESCRIPTION) { | |
327 | ||
328 | /* Try to parse Red Hat style description | |
329 | * continuation */ | |
330 | ||
331 | size_t k = strlen(t); | |
332 | char *d; | |
333 | ||
334 | if (t[k-1] == '\\') | |
335 | t[k-1] = 0; | |
336 | else | |
337 | state = NORMAL; | |
338 | ||
339 | assert(u->meta.description); | |
340 | if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) { | |
341 | r = -ENOMEM; | |
342 | goto finish; | |
343 | } | |
344 | ||
345 | free(u->meta.description); | |
346 | u->meta.description = d; | |
347 | ||
348 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
349 | ||
350 | if (startswith(t, "Provides:")) { | |
351 | char *i, *w; | |
352 | size_t z; | |
353 | ||
354 | state = LSB; | |
355 | ||
356 | FOREACH_WORD(w, z, t+9, i) { | |
357 | char *n, *m; | |
358 | ||
359 | if (!(n = strndup(w, z))) { | |
360 | r = -ENOMEM; | |
361 | goto finish; | |
362 | } | |
363 | ||
364 | r = sysv_translate_name(n, &m); | |
365 | free(n); | |
366 | ||
367 | if (r < 0) | |
368 | goto finish; | |
369 | ||
370 | if (r == 0) | |
371 | continue; | |
372 | ||
373 | r = unit_add_name(u, m); | |
374 | free(m); | |
375 | ||
376 | if (r < 0) | |
377 | goto finish; | |
378 | } | |
379 | ||
380 | } else if (startswith(t, "Required-Start:") || | |
381 | startswith(t, "Should-Start:")) { | |
382 | char *i, *w; | |
383 | size_t z; | |
384 | ||
385 | state = LSB; | |
386 | ||
387 | FOREACH_WORD(w, z, strchr(t, ':')+1, i) { | |
388 | char *n, *m; | |
389 | ||
390 | if (!(n = strndup(w, z))) { | |
391 | r = -ENOMEM; | |
392 | goto finish; | |
393 | } | |
394 | ||
395 | r = sysv_translate_name(n, &m); | |
396 | free(n); | |
397 | ||
398 | if (r < 0) | |
399 | goto finish; | |
400 | ||
401 | if (r == 0) | |
402 | continue; | |
403 | ||
404 | if (!(r = unit_add_dependency_by_name(u, UNIT_AFTER, m)) < 0) { | |
405 | free(m); | |
406 | goto finish; | |
407 | } | |
408 | ||
409 | r = unit_add_dependency_by_name( | |
410 | u, | |
411 | startswith(t, "Required-Start:") ? UNIT_REQUIRES : UNIT_WANTS, | |
412 | m); | |
413 | free(m); | |
414 | ||
415 | if (r < 0) | |
416 | goto finish; | |
417 | } | |
418 | ||
419 | } else if (startswith(t, "Description:")) { | |
420 | char *d; | |
421 | ||
422 | state = LSB_DESCRIPTION; | |
423 | ||
424 | if (!(d = strdup(strstrip(t+12)))) { | |
425 | r = -ENOMEM; | |
426 | goto finish; | |
427 | } | |
428 | ||
429 | free(u->meta.description); | |
430 | u->meta.description = d; | |
431 | ||
432 | } else if (startswith(t, "Short-Description:") && !u->meta.description) { | |
433 | char *d; | |
434 | ||
435 | /* We use the short description only | |
436 | * if no long description is set. */ | |
437 | ||
438 | state = LSB; | |
439 | ||
440 | if (!(d = strdup(strstrip(t+18)))) { | |
441 | r = -ENOMEM; | |
442 | goto finish; | |
443 | } | |
444 | ||
445 | free(u->meta.description); | |
446 | u->meta.description = d; | |
447 | ||
448 | } else if (state == LSB_DESCRIPTION) { | |
449 | ||
450 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
451 | char *d; | |
452 | ||
453 | assert(u->meta.description); | |
454 | if (asprintf(&d, "%s %s", u->meta.description, t) < 0) { | |
455 | r = -ENOMEM; | |
456 | goto finish; | |
457 | } | |
458 | ||
459 | free(u->meta.description); | |
460 | u->meta.description = d; | |
461 | } else | |
462 | state = LSB; | |
463 | } | |
464 | } | |
465 | } | |
466 | ||
467 | /* If the init script has no LSB header, then let's | |
468 | * enforce the ordering via the chkconfig | |
469 | * priorities */ | |
470 | ||
471 | if (!has_lsb) | |
472 | if ((r = sysv_chkconfig_order(s)) < 0) | |
473 | goto finish; | |
474 | ||
475 | if ((r = sysv_exec_commands(s)) < 0) | |
476 | goto finish; | |
477 | ||
478 | r = 1; | |
479 | ||
480 | finish: | |
481 | ||
482 | if (f) | |
483 | fclose(f); | |
484 | ||
485 | return r; | |
486 | } | |
487 | ||
488 | static int service_load_sysv_name(Service *s, const char *name) { | |
489 | char **p; | |
490 | ||
491 | assert(s); | |
492 | assert(name); | |
493 | ||
494 | STRV_FOREACH(p, UNIT(s)->meta.manager->sysvinit_path) { | |
495 | char *path; | |
496 | int r; | |
497 | ||
498 | if (asprintf(&path, "%s/%s", *p, name) < 0) | |
499 | return -ENOMEM; | |
500 | ||
501 | assert(endswith(path, ".service")); | |
502 | path[strlen(path)-8] = 0; | |
503 | ||
504 | r = service_load_sysv_path(s, path); | |
505 | free(path); | |
506 | ||
507 | if (r >= 0) | |
508 | return r; | |
509 | } | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
5cb5a6ff | 514 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
515 | const char *t; |
516 | Iterator i; | |
517 | int r; | |
518 | ||
5cb5a6ff LP |
519 | assert(s); |
520 | ||
521 | /* Load service data from SysV init scripts, preferably with | |
522 | * LSB headers ... */ | |
523 | ||
2c4104f0 LP |
524 | if (strv_isempty(UNIT(s)->meta.manager->sysvinit_path)) |
525 | return 0; | |
526 | ||
527 | if ((t = unit_id(UNIT(s)))) | |
528 | if ((r = service_load_sysv_name(s, t)) != 0) | |
529 | return r; | |
530 | ||
531 | SET_FOREACH(t, UNIT(s)->meta.names, i) | |
532 | if ((r == service_load_sysv_name(s, t)) != 0) | |
533 | return r; | |
534 | ||
535 | return 0; | |
5cb5a6ff LP |
536 | } |
537 | ||
87f0e418 | 538 | static int service_init(Unit *u) { |
5cb5a6ff | 539 | int r; |
87f0e418 | 540 | Service *s = SERVICE(u); |
5cb5a6ff LP |
541 | |
542 | assert(s); | |
543 | ||
034c6ed7 LP |
544 | /* First, reset everything to the defaults, in case this is a |
545 | * reload */ | |
546 | ||
547 | s->type = 0; | |
548 | s->restart = 0; | |
549 | ||
550 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
551 | s->restart_usec = DEFAULT_RESTART_USEC; | |
552 | ||
553 | exec_context_init(&s->exec_context); | |
554 | ||
acbb0225 | 555 | s->timer_watch.type = WATCH_INVALID; |
034c6ed7 LP |
556 | |
557 | s->state = SERVICE_DEAD; | |
5cb5a6ff | 558 | |
2c4104f0 | 559 | s->sysv_start_priority = -1; |
81a2b7ce LP |
560 | s->permissions_start_only = false; |
561 | s->root_directory_start_only = false; | |
2c4104f0 | 562 | |
1e2e8133 LP |
563 | RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5); |
564 | ||
5cb5a6ff | 565 | /* Load a .service file */ |
d46de8a1 | 566 | if ((r = unit_load_fragment(u)) < 0) { |
87f0e418 | 567 | service_done(u); |
5cb5a6ff | 568 | return r; |
44d8db9e | 569 | } |
5cb5a6ff | 570 | |
d46de8a1 LP |
571 | /* Load a classic init script as a fallback, if we couldn*t find anything */ |
572 | if (r == 0) | |
573 | if ((r = service_load_sysv(s)) <= 0) { | |
574 | service_done(u); | |
575 | return r < 0 ? r : -ENOENT; | |
576 | } | |
577 | ||
5cb5a6ff | 578 | /* Load dropin directory data */ |
87f0e418 LP |
579 | if ((r = unit_load_dropin(u)) < 0) { |
580 | service_done(u); | |
5cb5a6ff | 581 | return r; |
034c6ed7 LP |
582 | } |
583 | ||
8e274523 LP |
584 | /* Add default cgroup */ |
585 | if ((r = unit_add_default_cgroup(u)) < 0) { | |
586 | service_done(u); | |
587 | return r; | |
588 | } | |
589 | ||
44d8db9e | 590 | return 0; |
034c6ed7 LP |
591 | } |
592 | ||
87f0e418 | 593 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 594 | |
5cb5a6ff | 595 | ServiceExecCommand c; |
87f0e418 | 596 | Service *s = SERVICE(u); |
47be870b LP |
597 | const char *prefix2; |
598 | char *p2; | |
5cb5a6ff LP |
599 | |
600 | assert(s); | |
601 | ||
47be870b LP |
602 | p2 = strappend(prefix, "\t"); |
603 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 604 | |
5cb5a6ff | 605 | fprintf(f, |
81a2b7ce LP |
606 | "%sService State: %s\n" |
607 | "%sPermissionsStartOnly: %s\n" | |
8e274523 LP |
608 | "%sRootDirectoryStartOnly: %s\n" |
609 | "%sValidNoProcess: %s\n", | |
81a2b7ce LP |
610 | prefix, service_state_to_string(s->state), |
611 | prefix, yes_no(s->permissions_start_only), | |
8e274523 LP |
612 | prefix, yes_no(s->root_directory_start_only), |
613 | prefix, yes_no(s->valid_no_process)); | |
5cb5a6ff | 614 | |
034c6ed7 LP |
615 | if (s->pid_file) |
616 | fprintf(f, | |
617 | "%sPIDFile: %s\n", | |
618 | prefix, s->pid_file); | |
619 | ||
620 | ||
5cb5a6ff LP |
621 | exec_context_dump(&s->exec_context, f, prefix); |
622 | ||
623 | for (c = 0; c < _SERVICE_EXEC_MAX; c++) { | |
5cb5a6ff | 624 | |
44d8db9e LP |
625 | if (!s->exec_command[c]) |
626 | continue; | |
627 | ||
628 | fprintf(f, "%s→ %s:\n", | |
94f04347 | 629 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
630 | |
631 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 632 | } |
44d8db9e | 633 | |
2c4104f0 LP |
634 | if (s->sysv_path) |
635 | fprintf(f, | |
636 | "%sSysV Init Script Path: %s\n", | |
637 | prefix, s->sysv_path); | |
638 | ||
639 | if (s->sysv_start_priority >= 0) | |
640 | fprintf(f, | |
641 | "%sSysV Start Priority: %i\n", | |
642 | prefix, s->sysv_start_priority); | |
643 | ||
47be870b | 644 | free(p2); |
5cb5a6ff LP |
645 | } |
646 | ||
034c6ed7 LP |
647 | static int service_load_pid_file(Service *s) { |
648 | char *k; | |
649 | unsigned long p; | |
650 | int r; | |
651 | ||
652 | assert(s); | |
653 | ||
654 | if (s->main_pid_known) | |
655 | return 0; | |
656 | ||
657 | if (!s->pid_file) | |
658 | return -ENOENT; | |
659 | ||
660 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) | |
661 | return r; | |
662 | ||
663 | if ((r = safe_atolu(k, &p)) < 0) { | |
664 | free(k); | |
665 | return r; | |
666 | } | |
667 | ||
668 | if ((unsigned long) (pid_t) p != p) | |
669 | return -ERANGE; | |
670 | ||
671 | s->main_pid = p; | |
672 | s->main_pid_known = true; | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
3e33402a LP |
677 | static int service_get_sockets(Service *s, Set **_set) { |
678 | Set *set; | |
ceee3d82 LP |
679 | Iterator i; |
680 | char *t; | |
3e33402a | 681 | int r; |
ceee3d82 LP |
682 | |
683 | assert(s); | |
3e33402a LP |
684 | assert(_set); |
685 | ||
686 | /* Collects all Socket objects that belong to this | |
687 | * service. Note that a service might have multiple sockets | |
688 | * via multiple names. */ | |
689 | ||
690 | if (!(set = set_new(NULL, NULL))) | |
691 | return -ENOMEM; | |
ceee3d82 LP |
692 | |
693 | SET_FOREACH(t, UNIT(s)->meta.names, i) { | |
694 | char *k; | |
695 | Unit *p; | |
696 | ||
697 | /* Look for all socket objects that go by any of our | |
698 | * units and collect their fds */ | |
699 | ||
3e33402a LP |
700 | if (!(k = unit_name_change_suffix(t, ".socket"))) { |
701 | r = -ENOMEM; | |
702 | goto fail; | |
703 | } | |
ceee3d82 LP |
704 | |
705 | p = manager_get_unit(UNIT(s)->meta.manager, k); | |
706 | free(k); | |
707 | ||
3e33402a | 708 | if (!p) continue; |
ceee3d82 | 709 | |
3e33402a LP |
710 | if ((r = set_put(set, p)) < 0) |
711 | goto fail; | |
ceee3d82 LP |
712 | } |
713 | ||
3e33402a LP |
714 | *_set = set; |
715 | return 0; | |
716 | ||
717 | fail: | |
718 | set_free(set); | |
719 | return r; | |
720 | } | |
721 | ||
722 | ||
723 | static int service_notify_sockets(Service *s) { | |
724 | Iterator i; | |
725 | Set *set; | |
47be870b | 726 | Socket *sock; |
3e33402a LP |
727 | int r; |
728 | ||
729 | assert(s); | |
730 | ||
731 | /* Notifies all our sockets when we die */ | |
732 | ||
733 | if ((r = service_get_sockets(s, &set)) < 0) | |
734 | return r; | |
735 | ||
47be870b LP |
736 | SET_FOREACH(sock, set, i) |
737 | socket_notify_service_dead(sock); | |
3e33402a LP |
738 | |
739 | set_free(set); | |
740 | ||
ceee3d82 LP |
741 | return 0; |
742 | } | |
743 | ||
034c6ed7 LP |
744 | static void service_set_state(Service *s, ServiceState state) { |
745 | ServiceState old_state; | |
5cb5a6ff LP |
746 | assert(s); |
747 | ||
034c6ed7 | 748 | old_state = s->state; |
5cb5a6ff | 749 | s->state = state; |
034c6ed7 LP |
750 | |
751 | if (state != SERVICE_START_PRE && | |
752 | state != SERVICE_START && | |
753 | state != SERVICE_START_POST && | |
754 | state != SERVICE_RELOAD && | |
755 | state != SERVICE_STOP && | |
756 | state != SERVICE_STOP_SIGTERM && | |
757 | state != SERVICE_STOP_SIGKILL && | |
758 | state != SERVICE_STOP_POST && | |
759 | state != SERVICE_FINAL_SIGTERM && | |
760 | state != SERVICE_FINAL_SIGKILL && | |
761 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 762 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 763 | |
7d55e835 LP |
764 | if (state != SERVICE_START && |
765 | state != SERVICE_START_POST && | |
034c6ed7 LP |
766 | state != SERVICE_RUNNING && |
767 | state != SERVICE_RELOAD && | |
768 | state != SERVICE_STOP && | |
769 | state != SERVICE_STOP_SIGTERM && | |
770 | state != SERVICE_STOP_SIGKILL) | |
acbb0225 | 771 | if (s->main_pid > 0) { |
87f0e418 | 772 | unit_unwatch_pid(UNIT(s), s->main_pid); |
034c6ed7 LP |
773 | s->main_pid = 0; |
774 | } | |
775 | ||
776 | if (state != SERVICE_START_PRE && | |
777 | state != SERVICE_START && | |
778 | state != SERVICE_START_POST && | |
779 | state != SERVICE_RELOAD && | |
780 | state != SERVICE_STOP && | |
781 | state != SERVICE_STOP_SIGTERM && | |
782 | state != SERVICE_STOP_SIGKILL && | |
783 | state != SERVICE_STOP_POST && | |
784 | state != SERVICE_FINAL_SIGTERM && | |
785 | state != SERVICE_FINAL_SIGKILL) | |
acbb0225 | 786 | if (s->control_pid > 0) { |
87f0e418 | 787 | unit_unwatch_pid(UNIT(s), s->control_pid); |
034c6ed7 LP |
788 | s->control_pid = 0; |
789 | } | |
790 | ||
791 | if (state != SERVICE_START_PRE && | |
792 | state != SERVICE_START && | |
793 | state != SERVICE_START_POST && | |
794 | state != SERVICE_RELOAD && | |
795 | state != SERVICE_STOP && | |
796 | state != SERVICE_STOP_POST) | |
797 | s->control_command = NULL; | |
798 | ||
ceee3d82 LP |
799 | if (state == SERVICE_DEAD || |
800 | state == SERVICE_STOP || | |
801 | state == SERVICE_STOP_SIGTERM || | |
802 | state == SERVICE_STOP_SIGKILL || | |
803 | state == SERVICE_STOP_POST || | |
804 | state == SERVICE_FINAL_SIGTERM || | |
805 | state == SERVICE_FINAL_SIGKILL || | |
806 | state == SERVICE_MAINTAINANCE || | |
807 | state == SERVICE_AUTO_RESTART) | |
808 | service_notify_sockets(s); | |
809 | ||
94f04347 | 810 | log_debug("%s changed %s → %s", unit_id(UNIT(s)), service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 LP |
811 | |
812 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
813 | } |
814 | ||
44d8db9e LP |
815 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
816 | Iterator i; | |
817 | int r; | |
818 | int *rfds = NULL; | |
819 | unsigned rn_fds = 0; | |
3e33402a | 820 | Set *set; |
47be870b | 821 | Socket *sock; |
44d8db9e LP |
822 | |
823 | assert(s); | |
824 | assert(fds); | |
825 | assert(n_fds); | |
826 | ||
3e33402a LP |
827 | if ((r = service_get_sockets(s, &set)) < 0) |
828 | return r; | |
829 | ||
47be870b | 830 | SET_FOREACH(sock, set, i) { |
44d8db9e LP |
831 | int *cfds; |
832 | unsigned cn_fds; | |
833 | ||
47be870b | 834 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
835 | goto fail; |
836 | ||
837 | if (!cfds) | |
838 | continue; | |
839 | ||
840 | if (!rfds) { | |
841 | rfds = cfds; | |
842 | rn_fds = cn_fds; | |
843 | } else { | |
844 | int *t; | |
845 | ||
846 | if (!(t = new(int, rn_fds+cn_fds))) { | |
847 | free(cfds); | |
848 | r = -ENOMEM; | |
849 | goto fail; | |
850 | } | |
851 | ||
852 | memcpy(t, rfds, rn_fds); | |
853 | memcpy(t+rn_fds, cfds, cn_fds); | |
854 | free(rfds); | |
855 | free(cfds); | |
856 | ||
857 | rfds = t; | |
858 | rn_fds = rn_fds+cn_fds; | |
859 | } | |
860 | } | |
861 | ||
862 | *fds = rfds; | |
863 | *n_fds = rn_fds; | |
3e33402a LP |
864 | |
865 | set_free(set); | |
866 | ||
44d8db9e LP |
867 | return 0; |
868 | ||
869 | fail: | |
3e33402a | 870 | set_free(set); |
44d8db9e | 871 | free(rfds); |
3e33402a | 872 | |
44d8db9e LP |
873 | return r; |
874 | } | |
875 | ||
81a2b7ce LP |
876 | static int service_spawn( |
877 | Service *s, | |
878 | ExecCommand *c, | |
879 | bool timeout, | |
880 | bool pass_fds, | |
881 | bool apply_permissions, | |
882 | bool apply_chroot, | |
883 | pid_t *_pid) { | |
884 | ||
034c6ed7 LP |
885 | pid_t pid; |
886 | int r; | |
44d8db9e LP |
887 | int *fds = NULL; |
888 | unsigned n_fds = 0; | |
034c6ed7 LP |
889 | |
890 | assert(s); | |
891 | assert(c); | |
892 | assert(_pid); | |
893 | ||
44d8db9e LP |
894 | if (pass_fds) |
895 | if ((r = service_collect_fds(s, &fds, &n_fds)) < 0) | |
896 | goto fail; | |
897 | ||
034c6ed7 | 898 | if (timeout) { |
acbb0225 | 899 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
900 | goto fail; |
901 | } else | |
acbb0225 | 902 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 903 | |
81a2b7ce LP |
904 | if ((r = exec_spawn(c, |
905 | &s->exec_context, | |
906 | fds, n_fds, | |
907 | apply_permissions, | |
908 | apply_chroot, | |
8e274523 | 909 | UNIT(s)->meta.cgroup_bondings, |
81a2b7ce | 910 | &pid)) < 0) |
034c6ed7 LP |
911 | goto fail; |
912 | ||
87f0e418 | 913 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
914 | /* FIXME: we need to do something here */ |
915 | goto fail; | |
916 | ||
44d8db9e | 917 | free(fds); |
034c6ed7 LP |
918 | *_pid = pid; |
919 | ||
5cb5a6ff | 920 | return 0; |
034c6ed7 LP |
921 | |
922 | fail: | |
44d8db9e LP |
923 | free(fds); |
924 | ||
034c6ed7 | 925 | if (timeout) |
acbb0225 | 926 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
927 | |
928 | return r; | |
929 | } | |
930 | ||
931 | static void service_enter_dead(Service *s, bool success, bool allow_restart) { | |
932 | int r; | |
933 | assert(s); | |
934 | ||
935 | if (!success) | |
936 | s->failure = true; | |
937 | ||
938 | if (allow_restart && | |
939 | (s->restart == SERVICE_RESTART_ALWAYS || | |
940 | (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) { | |
941 | ||
acbb0225 | 942 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
943 | goto fail; |
944 | ||
945 | service_set_state(s, SERVICE_AUTO_RESTART); | |
946 | } else | |
947 | service_set_state(s, s->failure ? SERVICE_MAINTAINANCE : SERVICE_DEAD); | |
948 | ||
949 | return; | |
950 | ||
951 | fail: | |
87f0e418 | 952 | log_warning("%s failed to run install restart timer: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
953 | service_enter_dead(s, false, false); |
954 | } | |
955 | ||
956 | static void service_enter_signal(Service *s, ServiceState state, bool success); | |
957 | ||
958 | static void service_enter_stop_post(Service *s, bool success) { | |
959 | int r; | |
960 | assert(s); | |
961 | ||
962 | if (!success) | |
963 | s->failure = true; | |
964 | ||
d6ea93e3 | 965 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) |
81a2b7ce LP |
966 | if ((r = service_spawn(s, |
967 | s->control_command, | |
968 | true, | |
969 | false, | |
970 | !s->permissions_start_only, | |
971 | !s->root_directory_start_only, | |
972 | &s->control_pid)) < 0) | |
034c6ed7 LP |
973 | goto fail; |
974 | ||
d6ea93e3 LP |
975 | |
976 | service_set_state(s, SERVICE_STOP_POST); | |
977 | ||
978 | if (!s->control_command) | |
034c6ed7 LP |
979 | service_enter_dead(s, true, true); |
980 | ||
981 | return; | |
982 | ||
983 | fail: | |
87f0e418 | 984 | log_warning("%s failed to run stop executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
985 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
986 | } | |
987 | ||
988 | static void service_enter_signal(Service *s, ServiceState state, bool success) { | |
989 | int r; | |
990 | bool sent = false; | |
991 | ||
992 | assert(s); | |
993 | ||
994 | if (!success) | |
995 | s->failure = true; | |
996 | ||
997 | if (s->main_pid > 0 || s->control_pid > 0) { | |
998 | int sig; | |
999 | ||
1000 | sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL; | |
1001 | ||
1002 | r = 0; | |
1003 | if (s->main_pid > 0) { | |
1004 | if (kill(s->main_pid, sig) < 0 && errno != ESRCH) | |
1005 | r = -errno; | |
1006 | else | |
1007 | sent = true; | |
1008 | } | |
1009 | ||
1010 | if (s->control_pid > 0) { | |
1011 | if (kill(s->control_pid, sig) < 0 && errno != ESRCH) | |
1012 | r = -errno; | |
1013 | else | |
1014 | sent = true; | |
1015 | } | |
1016 | ||
1017 | if (r < 0) | |
1018 | goto fail; | |
d6ea93e3 | 1019 | } |
034c6ed7 | 1020 | |
d6ea93e3 LP |
1021 | service_set_state(s, state); |
1022 | ||
1023 | if (s->main_pid <= 0 && s->control_pid <= 0) | |
034c6ed7 LP |
1024 | service_enter_dead(s, true, true); |
1025 | ||
1026 | return; | |
1027 | ||
1028 | fail: | |
87f0e418 | 1029 | log_warning("%s failed to kill processes: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1030 | |
1031 | if (sent) { | |
1032 | s->failure = true; | |
1033 | service_set_state(s, state); | |
1034 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
1035 | service_enter_stop_post(s, false); | |
1036 | else | |
1037 | service_enter_dead(s, false, true); | |
1038 | } | |
1039 | ||
1040 | static void service_enter_stop(Service *s, bool success) { | |
1041 | int r; | |
1042 | assert(s); | |
1043 | ||
1044 | if (!success) | |
1045 | s->failure = true; | |
1046 | ||
d6ea93e3 | 1047 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) |
81a2b7ce LP |
1048 | if ((r = service_spawn(s, |
1049 | s->control_command, | |
1050 | true, | |
1051 | false, | |
1052 | !s->permissions_start_only, | |
1053 | !s->root_directory_start_only, | |
1054 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1055 | goto fail; |
1056 | ||
d6ea93e3 LP |
1057 | service_set_state(s, SERVICE_STOP); |
1058 | ||
1059 | if (!s->control_command) | |
034c6ed7 LP |
1060 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); |
1061 | ||
1062 | return; | |
1063 | ||
1064 | fail: | |
87f0e418 | 1065 | log_warning("%s failed to run stop executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1066 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1067 | } | |
1068 | ||
1069 | static void service_enter_start_post(Service *s) { | |
1070 | int r; | |
1071 | assert(s); | |
1072 | ||
d6ea93e3 | 1073 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) |
81a2b7ce LP |
1074 | if ((r = service_spawn(s, |
1075 | s->control_command, | |
1076 | true, | |
1077 | false, | |
1078 | !s->permissions_start_only, | |
1079 | !s->root_directory_start_only, | |
1080 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1081 | goto fail; |
1082 | ||
d6ea93e3 LP |
1083 | |
1084 | service_set_state(s, SERVICE_START_POST); | |
1085 | ||
1086 | if (!s->control_command) | |
034c6ed7 LP |
1087 | service_set_state(s, SERVICE_RUNNING); |
1088 | ||
1089 | return; | |
1090 | ||
1091 | fail: | |
87f0e418 | 1092 | log_warning("%s failed to run start-post executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1093 | service_enter_stop(s, false); |
1094 | } | |
1095 | ||
1096 | static void service_enter_start(Service *s) { | |
1097 | pid_t pid; | |
1098 | int r; | |
1099 | ||
1100 | assert(s); | |
1101 | ||
1102 | assert(s->exec_command[SERVICE_EXEC_START]); | |
1103 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next); | |
1104 | ||
81a2b7ce LP |
1105 | if ((r = service_spawn(s, |
1106 | s->exec_command[SERVICE_EXEC_START], | |
1107 | s->type == SERVICE_FORKING, | |
1108 | true, | |
1109 | true, | |
1110 | true, | |
1111 | &pid)) < 0) | |
034c6ed7 LP |
1112 | goto fail; |
1113 | ||
d6ea93e3 LP |
1114 | service_set_state(s, SERVICE_START); |
1115 | ||
034c6ed7 LP |
1116 | if (s->type == SERVICE_SIMPLE) { |
1117 | /* For simple services we immediately start | |
1118 | * the START_POST binaries. */ | |
1119 | ||
1120 | s->main_pid = pid; | |
1121 | s->main_pid_known = true; | |
1122 | service_enter_start_post(s); | |
1123 | ||
1124 | } else if (s->type == SERVICE_FORKING) { | |
1125 | ||
1126 | /* For forking services we wait until the start | |
1127 | * process exited. */ | |
1128 | ||
1129 | s->control_pid = pid; | |
1130 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
7d55e835 LP |
1131 | } else if (s->type == SERVICE_FINISH) { |
1132 | ||
1133 | /* For finishing services we wait until the start | |
1134 | * process exited, too, but it is our main process. */ | |
1135 | ||
1136 | s->main_pid = pid; | |
1137 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
034c6ed7 LP |
1138 | } else |
1139 | assert_not_reached("Unknown service type"); | |
1140 | ||
1141 | return; | |
1142 | ||
1143 | fail: | |
87f0e418 | 1144 | log_warning("%s failed to run start exectuable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1145 | service_enter_stop(s, false); |
1146 | } | |
1147 | ||
1148 | static void service_enter_start_pre(Service *s) { | |
1149 | int r; | |
1150 | ||
1151 | assert(s); | |
1152 | ||
d6ea93e3 | 1153 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) |
81a2b7ce LP |
1154 | if ((r = service_spawn(s, |
1155 | s->control_command, | |
1156 | true, | |
1157 | false, | |
1158 | !s->permissions_start_only, | |
1159 | !s->root_directory_start_only, | |
1160 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1161 | goto fail; |
1162 | ||
d6ea93e3 LP |
1163 | service_set_state(s, SERVICE_START_PRE); |
1164 | ||
1165 | if (!s->control_command) | |
034c6ed7 LP |
1166 | service_enter_start(s); |
1167 | ||
1168 | return; | |
1169 | ||
1170 | fail: | |
87f0e418 | 1171 | log_warning("%s failed to run start-pre executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1172 | service_enter_dead(s, false, true); |
1173 | } | |
1174 | ||
1175 | static void service_enter_restart(Service *s) { | |
1176 | int r; | |
1177 | assert(s); | |
1178 | ||
87f0e418 | 1179 | if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0) |
034c6ed7 LP |
1180 | goto fail; |
1181 | ||
87f0e418 | 1182 | log_debug("%s scheduled restart job.", unit_id(UNIT(s))); |
034c6ed7 LP |
1183 | service_enter_dead(s, true, false); |
1184 | return; | |
1185 | ||
1186 | fail: | |
1187 | ||
87f0e418 | 1188 | log_warning("%s failed to schedule restart job: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1189 | service_enter_dead(s, false, false); |
1190 | } | |
1191 | ||
1192 | static void service_enter_reload(Service *s) { | |
1193 | int r; | |
1194 | ||
1195 | assert(s); | |
1196 | ||
d6ea93e3 | 1197 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) |
81a2b7ce LP |
1198 | if ((r = service_spawn(s, |
1199 | s->control_command, | |
1200 | true, | |
1201 | false, | |
1202 | !s->permissions_start_only, | |
1203 | !s->root_directory_start_only, | |
1204 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1205 | goto fail; |
1206 | ||
d6ea93e3 LP |
1207 | service_set_state(s, SERVICE_RELOAD); |
1208 | ||
1209 | if (!s->control_command) | |
034c6ed7 LP |
1210 | service_set_state(s, SERVICE_RUNNING); |
1211 | ||
1212 | return; | |
1213 | ||
1214 | fail: | |
87f0e418 | 1215 | log_warning("%s failed to run reload executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1216 | service_enter_stop(s, false); |
1217 | } | |
1218 | ||
1219 | static void service_run_next(Service *s, bool success) { | |
1220 | int r; | |
1221 | ||
1222 | assert(s); | |
1223 | assert(s->control_command); | |
1224 | assert(s->control_command->command_next); | |
1225 | ||
1226 | if (!success) | |
1227 | s->failure = true; | |
1228 | ||
1229 | s->control_command = s->control_command->command_next; | |
1230 | ||
81a2b7ce LP |
1231 | if ((r = service_spawn(s, |
1232 | s->control_command, | |
1233 | true, | |
1234 | false, | |
1235 | !s->permissions_start_only, | |
1236 | !s->root_directory_start_only, | |
1237 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1238 | goto fail; |
1239 | ||
1240 | return; | |
1241 | ||
1242 | fail: | |
87f0e418 | 1243 | log_warning("%s failed to run spawn next executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1244 | |
1245 | if (s->state == SERVICE_STOP) | |
1246 | service_enter_stop_post(s, false); | |
1247 | else if (s->state == SERVICE_STOP_POST) | |
1248 | service_enter_dead(s, false, true); | |
1249 | else | |
1250 | service_enter_stop(s, false); | |
5cb5a6ff LP |
1251 | } |
1252 | ||
87f0e418 LP |
1253 | static int service_start(Unit *u) { |
1254 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
1255 | |
1256 | assert(s); | |
1257 | ||
034c6ed7 LP |
1258 | /* We cannot fulfill this request right now, try again later |
1259 | * please! */ | |
1260 | if (s->state == SERVICE_STOP || | |
1261 | s->state == SERVICE_STOP_SIGTERM || | |
1262 | s->state == SERVICE_STOP_SIGKILL || | |
1263 | s->state == SERVICE_STOP_POST || | |
1264 | s->state == SERVICE_FINAL_SIGTERM || | |
1265 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
1266 | return -EAGAIN; |
1267 | ||
034c6ed7 LP |
1268 | /* Already on it! */ |
1269 | if (s->state == SERVICE_START_PRE || | |
1270 | s->state == SERVICE_START || | |
1271 | s->state == SERVICE_START_POST) | |
1272 | return 0; | |
1273 | ||
1274 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTAINANCE || s->state == SERVICE_AUTO_RESTART); | |
5cb5a6ff | 1275 | |
1e2e8133 LP |
1276 | /* Make sure we don't enter a busy loop of some kind. */ |
1277 | if (!ratelimit_test(&s->ratelimit)) { | |
1278 | log_warning("%s start request repeated too quickly, refusing to start.", unit_id(u)); | |
1279 | return -EAGAIN; | |
1280 | } | |
1281 | ||
034c6ed7 LP |
1282 | s->failure = false; |
1283 | s->main_pid_known = false; | |
1284 | ||
1285 | service_enter_start_pre(s); | |
1286 | return 0; | |
5cb5a6ff LP |
1287 | } |
1288 | ||
87f0e418 LP |
1289 | static int service_stop(Unit *u) { |
1290 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
1291 | |
1292 | assert(s); | |
1293 | ||
034c6ed7 LP |
1294 | if (s->state == SERVICE_START_PRE || |
1295 | s->state == SERVICE_START || | |
1296 | s->state == SERVICE_START_POST || | |
1297 | s->state == SERVICE_RELOAD) | |
1298 | return -EAGAIN; | |
1299 | ||
1300 | if (s->state == SERVICE_AUTO_RESTART) { | |
1301 | service_set_state(s, SERVICE_DEAD); | |
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | assert(s->state == SERVICE_RUNNING); | |
5cb5a6ff | 1306 | |
034c6ed7 | 1307 | service_enter_stop(s, true); |
5cb5a6ff LP |
1308 | return 0; |
1309 | } | |
1310 | ||
87f0e418 LP |
1311 | static int service_reload(Unit *u) { |
1312 | Service *s = SERVICE(u); | |
034c6ed7 LP |
1313 | |
1314 | assert(s); | |
1315 | ||
1316 | assert(s->state == SERVICE_RUNNING); | |
1317 | ||
1318 | service_enter_reload(s); | |
5cb5a6ff LP |
1319 | return 0; |
1320 | } | |
1321 | ||
87f0e418 LP |
1322 | static bool service_can_reload(Unit *u) { |
1323 | Service *s = SERVICE(u); | |
034c6ed7 LP |
1324 | |
1325 | assert(s); | |
1326 | ||
1327 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
1328 | } | |
1329 | ||
87f0e418 LP |
1330 | static UnitActiveState service_active_state(Unit *u) { |
1331 | assert(u); | |
5cb5a6ff | 1332 | |
acbb0225 | 1333 | return state_translation_table[SERVICE(u)->state]; |
034c6ed7 LP |
1334 | } |
1335 | ||
1336 | static int main_pid_good(Service *s) { | |
1337 | assert(s); | |
1338 | ||
1339 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1340 | * don't know */ | |
1341 | ||
1342 | /* If we know the pid file, then lets just check if it is | |
1343 | * still valid */ | |
1344 | if (s->main_pid_known) | |
1345 | return s->main_pid > 0; | |
1346 | ||
1347 | /* We don't know the pid */ | |
8e274523 | 1348 | return -EAGAIN; |
034c6ed7 LP |
1349 | } |
1350 | ||
1351 | static bool control_pid_good(Service *s) { | |
1352 | assert(s); | |
5cb5a6ff | 1353 | |
034c6ed7 | 1354 | return s->control_pid > 0; |
5cb5a6ff LP |
1355 | } |
1356 | ||
8e274523 LP |
1357 | static int cgroup_good(Service *s) { |
1358 | assert(s); | |
1359 | ||
1360 | if (s->valid_no_process) | |
1361 | return -EAGAIN; | |
1362 | ||
1363 | return cgroup_bonding_is_empty_list(UNIT(s)->meta.cgroup_bondings); | |
1364 | } | |
1365 | ||
87f0e418 LP |
1366 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
1367 | Service *s = SERVICE(u); | |
034c6ed7 | 1368 | bool success; |
5cb5a6ff LP |
1369 | |
1370 | assert(s); | |
034c6ed7 LP |
1371 | assert(pid >= 0); |
1372 | ||
bd982a8b | 1373 | success = code == CLD_EXITED && status == 0; |
034c6ed7 LP |
1374 | s->failure = s->failure || !success; |
1375 | ||
1376 | if (s->main_pid == pid) { | |
1377 | ||
1378 | exec_status_fill(&s->main_exec_status, pid, code, status); | |
1379 | s->main_pid = 0; | |
1380 | ||
7d55e835 | 1381 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_FINISH) { |
034c6ed7 LP |
1382 | assert(s->exec_command[SERVICE_EXEC_START]); |
1383 | s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status; | |
1384 | } | |
1385 | ||
94f04347 | 1386 | log_debug("%s: main process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status); |
034c6ed7 LP |
1387 | |
1388 | /* The service exited, so the service is officially | |
1389 | * gone. */ | |
1390 | ||
1391 | switch (s->state) { | |
1392 | ||
1393 | case SERVICE_START_POST: | |
1394 | case SERVICE_RELOAD: | |
1395 | case SERVICE_STOP: | |
1396 | /* Need to wait until the operation is | |
1397 | * done */ | |
1398 | break; | |
1399 | ||
7d55e835 LP |
1400 | case SERVICE_START: |
1401 | assert(s->type == SERVICE_FINISH); | |
1402 | ||
1403 | /* This was our main goal, so let's go on */ | |
1404 | if (success) | |
1405 | service_enter_start_post(s); | |
1406 | else | |
1407 | service_enter_stop(s, false); | |
1408 | break; | |
1409 | ||
034c6ed7 LP |
1410 | case SERVICE_RUNNING: |
1411 | service_enter_stop(s, success); | |
1412 | break; | |
1413 | ||
1414 | case SERVICE_STOP_SIGTERM: | |
1415 | case SERVICE_STOP_SIGKILL: | |
1416 | ||
1417 | if (!control_pid_good(s)) | |
1418 | service_enter_stop_post(s, success); | |
5cb5a6ff | 1419 | |
034c6ed7 LP |
1420 | /* If there is still a control process, wait for that first */ |
1421 | break; | |
5cb5a6ff | 1422 | |
034c6ed7 LP |
1423 | default: |
1424 | assert_not_reached("Uh, main process died at wrong time."); | |
1425 | } | |
5cb5a6ff | 1426 | |
034c6ed7 LP |
1427 | } else if (s->control_pid == pid) { |
1428 | assert(s->control_command); | |
1429 | ||
1430 | exec_status_fill(&s->control_command->exec_status, pid, code, status); | |
1431 | s->control_pid = 0; | |
1432 | ||
94f04347 | 1433 | log_debug("%s: control process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status); |
034c6ed7 LP |
1434 | |
1435 | /* If we are shutting things down anyway we | |
1436 | * don't care about failing commands. */ | |
1437 | ||
1438 | if (s->control_command->command_next && | |
b866264a | 1439 | (success || (s->state == SERVICE_STOP || s->state == SERVICE_STOP_POST))) |
034c6ed7 LP |
1440 | |
1441 | /* There is another command to * | |
1442 | * execute, so let's do that. */ | |
1443 | ||
1444 | service_run_next(s, success); | |
1445 | ||
1446 | else { | |
1447 | /* No further commands for this step, so let's | |
1448 | * figure out what to do next */ | |
1449 | ||
94f04347 | 1450 | log_debug("%s got final SIGCHLD for state %s", unit_id(u), service_state_to_string(s->state)); |
bd982a8b | 1451 | |
034c6ed7 LP |
1452 | switch (s->state) { |
1453 | ||
1454 | case SERVICE_START_PRE: | |
1455 | if (success) | |
1456 | service_enter_start(s); | |
1457 | else | |
1458 | service_enter_stop(s, false); | |
1459 | break; | |
1460 | ||
1461 | case SERVICE_START: | |
1462 | assert(s->type == SERVICE_FORKING); | |
1463 | ||
1464 | /* Let's try to load the pid | |
1465 | * file here if we can. We | |
1466 | * ignore the return value, | |
1467 | * since the PID file might | |
1468 | * actually be created by a | |
1469 | * START_POST script */ | |
1470 | ||
1471 | if (success) { | |
1472 | if (s->pid_file) | |
1473 | service_load_pid_file(s); | |
1474 | ||
1475 | service_enter_start_post(s); | |
1476 | } else | |
1477 | service_enter_stop(s, false); | |
1478 | ||
1479 | break; | |
1480 | ||
1481 | case SERVICE_START_POST: | |
1482 | if (success && s->pid_file && !s->main_pid_known) { | |
1483 | int r; | |
1484 | ||
1485 | /* Hmm, let's see if we can | |
1486 | * load the pid now after the | |
1487 | * start-post scripts got | |
1488 | * executed. */ | |
1489 | ||
1490 | if ((r = service_load_pid_file(s)) < 0) | |
87f0e418 | 1491 | log_warning("%s: failed to load PID file %s: %s", unit_id(UNIT(s)), s->pid_file, strerror(-r)); |
034c6ed7 LP |
1492 | } |
1493 | ||
1494 | /* Fall through */ | |
1495 | ||
1496 | case SERVICE_RELOAD: | |
1497 | if (success) { | |
8e274523 | 1498 | if (main_pid_good(s) != 0 && cgroup_good(s) != 0) |
034c6ed7 LP |
1499 | service_set_state(s, SERVICE_RUNNING); |
1500 | else | |
1501 | service_enter_stop(s, true); | |
1502 | } else | |
1503 | service_enter_stop(s, false); | |
1504 | ||
1505 | break; | |
1506 | ||
1507 | case SERVICE_STOP: | |
1508 | if (main_pid_good(s) > 0) | |
1509 | /* Still not dead and we know the PID? Let's go hunting. */ | |
1510 | service_enter_signal(s, SERVICE_STOP_SIGTERM, success); | |
1511 | else | |
1512 | service_enter_stop_post(s, success); | |
1513 | break; | |
1514 | ||
1515 | case SERVICE_STOP_SIGTERM: | |
1516 | case SERVICE_STOP_SIGKILL: | |
1517 | if (main_pid_good(s) <= 0) | |
1518 | service_enter_stop_post(s, success); | |
1519 | ||
1520 | /* If there is still a service | |
1521 | * process around, wait until | |
1522 | * that one quit, too */ | |
1523 | break; | |
1524 | ||
1525 | case SERVICE_STOP_POST: | |
1526 | case SERVICE_FINAL_SIGTERM: | |
1527 | case SERVICE_FINAL_SIGKILL: | |
1528 | service_enter_dead(s, success, true); | |
1529 | break; | |
1530 | ||
1531 | default: | |
1532 | assert_not_reached("Uh, control process died at wrong time."); | |
1533 | } | |
1534 | } | |
1535 | } else | |
1536 | assert_not_reached("Got SIGCHLD for unkown PID"); | |
1537 | } | |
1538 | ||
acbb0225 | 1539 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 1540 | Service *s = SERVICE(u); |
034c6ed7 LP |
1541 | |
1542 | assert(s); | |
1543 | assert(elapsed == 1); | |
1544 | ||
acbb0225 | 1545 | assert(w == &s->timer_watch); |
034c6ed7 LP |
1546 | |
1547 | switch (s->state) { | |
1548 | ||
1549 | case SERVICE_START_PRE: | |
1550 | case SERVICE_START: | |
1551 | case SERVICE_START_POST: | |
1552 | case SERVICE_RELOAD: | |
87f0e418 | 1553 | log_warning("%s operation timed out. Stopping.", unit_id(u)); |
034c6ed7 LP |
1554 | service_enter_stop(s, false); |
1555 | break; | |
1556 | ||
1557 | case SERVICE_STOP: | |
87f0e418 | 1558 | log_warning("%s stopping timed out. Terminating.", unit_id(u)); |
034c6ed7 LP |
1559 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1560 | break; | |
1561 | ||
1562 | case SERVICE_STOP_SIGTERM: | |
87f0e418 | 1563 | log_warning("%s stopping timed out. Killing.", unit_id(u)); |
034c6ed7 LP |
1564 | service_enter_signal(s, SERVICE_STOP_SIGKILL, false); |
1565 | break; | |
1566 | ||
1567 | case SERVICE_STOP_SIGKILL: | |
1568 | /* Uh, wie sent a SIGKILL and it is still not gone? | |
1569 | * Must be something we cannot kill, so let's just be | |
1570 | * weirded out and continue */ | |
1571 | ||
87f0e418 | 1572 | log_warning("%s still around after SIGKILL. Ignoring.", unit_id(u)); |
034c6ed7 LP |
1573 | service_enter_stop_post(s, false); |
1574 | break; | |
1575 | ||
1576 | case SERVICE_STOP_POST: | |
87f0e418 | 1577 | log_warning("%s stopping timed out (2). Terminating.", unit_id(u)); |
034c6ed7 LP |
1578 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
1579 | break; | |
1580 | ||
1581 | case SERVICE_FINAL_SIGTERM: | |
87f0e418 | 1582 | log_warning("%s stopping timed out (2). Killing.", unit_id(u)); |
034c6ed7 LP |
1583 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, false); |
1584 | break; | |
1585 | ||
1586 | case SERVICE_FINAL_SIGKILL: | |
87f0e418 | 1587 | log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", unit_id(u)); |
034c6ed7 LP |
1588 | service_enter_dead(s, false, true); |
1589 | break; | |
1590 | ||
1591 | case SERVICE_AUTO_RESTART: | |
87f0e418 | 1592 | log_debug("%s holdoff time over, scheduling restart.", unit_id(u)); |
034c6ed7 LP |
1593 | service_enter_restart(s); |
1594 | break; | |
1595 | ||
1596 | default: | |
1597 | assert_not_reached("Timeout at wrong time."); | |
1598 | } | |
5cb5a6ff LP |
1599 | } |
1600 | ||
8e274523 LP |
1601 | static void service_cgroup_notify_event(Unit *u) { |
1602 | Service *s = SERVICE(u); | |
1603 | ||
1604 | assert(u); | |
1605 | ||
1606 | log_debug("%s: cgroup is empty", unit_id(u)); | |
1607 | ||
1608 | switch (s->state) { | |
1609 | ||
1610 | /* Waiting for SIGCHLD is usually more interesting, | |
1611 | * because it includes return codes/signals. Which is | |
1612 | * why we ignore the cgroup events for most cases, | |
1613 | * except when we don't know pid which to expect the | |
1614 | * SIGCHLD for. */ | |
1615 | ||
1616 | case SERVICE_RUNNING: | |
1617 | ||
1618 | if (!s->valid_no_process && main_pid_good(s) <= 0) | |
1619 | service_enter_stop(s, true); | |
1620 | ||
1621 | break; | |
1622 | ||
1623 | default: | |
1624 | ; | |
1625 | } | |
1626 | } | |
1627 | ||
2c4104f0 LP |
1628 | static int service_enumerate(Manager *m) { |
1629 | ||
1630 | static const char * const rcnd[] = { | |
1631 | "../rc0.d", SPECIAL_RUNLEVEL0_TARGET, | |
1632 | "../rc1.d", SPECIAL_RUNLEVEL1_TARGET, | |
1633 | "../rc2.d", SPECIAL_RUNLEVEL2_TARGET, | |
1634 | "../rc3.d", SPECIAL_RUNLEVEL3_TARGET, | |
1635 | "../rc4.d", SPECIAL_RUNLEVEL4_TARGET, | |
1636 | "../rc5.d", SPECIAL_RUNLEVEL5_TARGET, | |
1637 | "../rc6.d", SPECIAL_RUNLEVEL6_TARGET | |
1638 | }; | |
1639 | ||
1640 | char **p; | |
1641 | unsigned i; | |
1642 | DIR *d = NULL; | |
1643 | char *path = NULL, *fpath = NULL, *name = NULL; | |
1644 | int r; | |
1645 | ||
1646 | assert(m); | |
1647 | ||
1648 | STRV_FOREACH(p, m->sysvinit_path) | |
1649 | for (i = 0; i < ELEMENTSOF(rcnd); i += 2) { | |
1650 | struct dirent *de; | |
1651 | ||
1652 | free(path); | |
1653 | path = NULL; | |
1654 | if (asprintf(&path, "%s/%s", *p, rcnd[i]) < 0) { | |
1655 | r = -ENOMEM; | |
1656 | goto finish; | |
1657 | } | |
1658 | ||
1659 | if (d) | |
1660 | closedir(d); | |
1661 | ||
1662 | if (!(d = opendir(path))) { | |
1663 | if (errno != ENOENT) | |
1664 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
1665 | ||
1666 | continue; | |
1667 | } | |
1668 | ||
1669 | while ((de = readdir(d))) { | |
1670 | Unit *runlevel, *service; | |
1671 | ||
1672 | if (ignore_file(de->d_name)) | |
1673 | continue; | |
1674 | ||
1675 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
1676 | continue; | |
1677 | ||
1678 | if (strlen(de->d_name) < 4) | |
1679 | continue; | |
1680 | ||
1681 | free(fpath); | |
1682 | fpath = NULL; | |
1683 | if (asprintf(&fpath, "%s/%s/%s", *p, rcnd[i], de->d_name) < 0) { | |
1684 | r = -ENOMEM; | |
1685 | goto finish; | |
1686 | } | |
1687 | ||
1688 | if (access(fpath, X_OK) < 0) { | |
1689 | ||
1690 | if (errno != ENOENT) | |
1691 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
1692 | ||
1693 | continue; | |
1694 | } | |
1695 | ||
1696 | free(name); | |
1697 | name = NULL; | |
1698 | if (asprintf(&name, "%s.service", de->d_name+3) < 0) { | |
1699 | r = -ENOMEM; | |
1700 | goto finish; | |
1701 | } | |
1702 | ||
1703 | if ((r = manager_load_unit(m, name, &service)) < 0) | |
1704 | goto finish; | |
1705 | ||
2c4104f0 LP |
1706 | if ((r = manager_load_unit(m, rcnd[i+1], &runlevel)) < 0) |
1707 | goto finish; | |
1708 | ||
1709 | if (de->d_name[0] == 'S') { | |
1710 | if ((r = unit_add_dependency(runlevel, UNIT_WANTS, service)) < 0) | |
1711 | goto finish; | |
1712 | ||
1713 | if ((r = unit_add_dependency(runlevel, UNIT_AFTER, service)) < 0) | |
1714 | goto finish; | |
1715 | } else { | |
1716 | if ((r = unit_add_dependency(runlevel, UNIT_CONFLICTS, service)) < 0) | |
1717 | goto finish; | |
1718 | ||
1719 | if ((r = unit_add_dependency(runlevel, UNIT_BEFORE, service)) < 0) | |
1720 | goto finish; | |
1721 | } | |
1722 | } | |
1723 | } | |
1724 | ||
1725 | r = 0; | |
1726 | ||
1727 | finish: | |
1728 | free(path); | |
1729 | free(fpath); | |
1730 | free(name); | |
1731 | closedir(d); | |
1732 | ||
1733 | return r; | |
1734 | } | |
1735 | ||
94f04347 LP |
1736 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
1737 | [SERVICE_DEAD] = "dead", | |
1738 | [SERVICE_START_PRE] = "start-pre", | |
1739 | [SERVICE_START] = "start", | |
1740 | [SERVICE_START_POST] = "start-post", | |
1741 | [SERVICE_RUNNING] = "running", | |
1742 | [SERVICE_RELOAD] = "reload", | |
1743 | [SERVICE_STOP] = "stop", | |
1744 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
1745 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
1746 | [SERVICE_STOP_POST] = "stop-post", | |
1747 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
1748 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
1749 | [SERVICE_MAINTAINANCE] = "maintainance", | |
1750 | [SERVICE_AUTO_RESTART] = "auto-restart", | |
1751 | }; | |
1752 | ||
1753 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
1754 | ||
1755 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
1756 | [SERVICE_ONCE] = "once", | |
1757 | [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success", | |
1758 | [SERVICE_RESTART_ALWAYS] = "restart-on-failure", | |
1759 | }; | |
1760 | ||
1761 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
1762 | ||
1763 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
1764 | [SERVICE_FORKING] = "forking", | |
1765 | [SERVICE_SIMPLE] = "simple", | |
1766 | [SERVICE_FINISH] = "finish" | |
1767 | }; | |
1768 | ||
1769 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
1770 | ||
1771 | static const char* const service_exec_command_table[_SERVICE_EXEC_MAX] = { | |
1772 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", | |
1773 | [SERVICE_EXEC_START] = "ExecStart", | |
1774 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
1775 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
1776 | [SERVICE_EXEC_STOP] = "ExecStop", | |
1777 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
1778 | }; | |
1779 | ||
1780 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
1781 | ||
87f0e418 | 1782 | const UnitVTable service_vtable = { |
5cb5a6ff LP |
1783 | .suffix = ".service", |
1784 | ||
034c6ed7 LP |
1785 | .init = service_init, |
1786 | .done = service_done, | |
1787 | ||
5cb5a6ff LP |
1788 | .dump = service_dump, |
1789 | ||
1790 | .start = service_start, | |
1791 | .stop = service_stop, | |
1792 | .reload = service_reload, | |
1793 | ||
034c6ed7 LP |
1794 | .can_reload = service_can_reload, |
1795 | ||
5cb5a6ff LP |
1796 | .active_state = service_active_state, |
1797 | ||
034c6ed7 LP |
1798 | .sigchld_event = service_sigchld_event, |
1799 | .timer_event = service_timer_event, | |
2c4104f0 | 1800 | |
8e274523 LP |
1801 | .cgroup_notify_empty = service_cgroup_notify_event, |
1802 | ||
2c4104f0 | 1803 | .enumerate = service_enumerate |
5cb5a6ff | 1804 | }; |