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Commit | Line | Data |
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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 | ||
bd77d0fc LP |
373 | if (unit_name_to_type(m) == UNIT_SERVICE) |
374 | r = unit_add_name(u, m); | |
375 | else { | |
376 | if ((r = unit_add_dependency_by_name_inverse(u, UNIT_REQUIRES, m)) >= 0) | |
377 | r = unit_add_dependency_by_name(u, UNIT_BEFORE, m); | |
378 | } | |
379 | ||
2c4104f0 LP |
380 | free(m); |
381 | ||
382 | if (r < 0) | |
383 | goto finish; | |
384 | } | |
385 | ||
386 | } else if (startswith(t, "Required-Start:") || | |
387 | startswith(t, "Should-Start:")) { | |
388 | char *i, *w; | |
389 | size_t z; | |
390 | ||
391 | state = LSB; | |
392 | ||
393 | FOREACH_WORD(w, z, strchr(t, ':')+1, i) { | |
394 | char *n, *m; | |
395 | ||
396 | if (!(n = strndup(w, z))) { | |
397 | r = -ENOMEM; | |
398 | goto finish; | |
399 | } | |
400 | ||
401 | r = sysv_translate_name(n, &m); | |
402 | free(n); | |
403 | ||
404 | if (r < 0) | |
405 | goto finish; | |
406 | ||
407 | if (r == 0) | |
408 | continue; | |
409 | ||
410 | if (!(r = unit_add_dependency_by_name(u, UNIT_AFTER, m)) < 0) { | |
411 | free(m); | |
412 | goto finish; | |
413 | } | |
414 | ||
415 | r = unit_add_dependency_by_name( | |
416 | u, | |
417 | startswith(t, "Required-Start:") ? UNIT_REQUIRES : UNIT_WANTS, | |
418 | m); | |
419 | free(m); | |
420 | ||
421 | if (r < 0) | |
422 | goto finish; | |
423 | } | |
424 | ||
425 | } else if (startswith(t, "Description:")) { | |
426 | char *d; | |
427 | ||
428 | state = LSB_DESCRIPTION; | |
429 | ||
430 | if (!(d = strdup(strstrip(t+12)))) { | |
431 | r = -ENOMEM; | |
432 | goto finish; | |
433 | } | |
434 | ||
435 | free(u->meta.description); | |
436 | u->meta.description = d; | |
437 | ||
438 | } else if (startswith(t, "Short-Description:") && !u->meta.description) { | |
439 | char *d; | |
440 | ||
441 | /* We use the short description only | |
442 | * if no long description is set. */ | |
443 | ||
444 | state = LSB; | |
445 | ||
446 | if (!(d = strdup(strstrip(t+18)))) { | |
447 | r = -ENOMEM; | |
448 | goto finish; | |
449 | } | |
450 | ||
451 | free(u->meta.description); | |
452 | u->meta.description = d; | |
453 | ||
454 | } else if (state == LSB_DESCRIPTION) { | |
455 | ||
456 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
457 | char *d; | |
458 | ||
459 | assert(u->meta.description); | |
460 | if (asprintf(&d, "%s %s", u->meta.description, t) < 0) { | |
461 | r = -ENOMEM; | |
462 | goto finish; | |
463 | } | |
464 | ||
465 | free(u->meta.description); | |
466 | u->meta.description = d; | |
467 | } else | |
468 | state = LSB; | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | /* If the init script has no LSB header, then let's | |
474 | * enforce the ordering via the chkconfig | |
475 | * priorities */ | |
476 | ||
477 | if (!has_lsb) | |
478 | if ((r = sysv_chkconfig_order(s)) < 0) | |
479 | goto finish; | |
480 | ||
481 | if ((r = sysv_exec_commands(s)) < 0) | |
482 | goto finish; | |
483 | ||
484 | r = 1; | |
485 | ||
486 | finish: | |
487 | ||
488 | if (f) | |
489 | fclose(f); | |
490 | ||
491 | return r; | |
492 | } | |
493 | ||
494 | static int service_load_sysv_name(Service *s, const char *name) { | |
495 | char **p; | |
496 | ||
497 | assert(s); | |
498 | assert(name); | |
499 | ||
500 | STRV_FOREACH(p, UNIT(s)->meta.manager->sysvinit_path) { | |
501 | char *path; | |
502 | int r; | |
503 | ||
504 | if (asprintf(&path, "%s/%s", *p, name) < 0) | |
505 | return -ENOMEM; | |
506 | ||
507 | assert(endswith(path, ".service")); | |
508 | path[strlen(path)-8] = 0; | |
509 | ||
510 | r = service_load_sysv_path(s, path); | |
511 | free(path); | |
512 | ||
24e61ac4 | 513 | if (r != 0) |
2c4104f0 LP |
514 | return r; |
515 | } | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
5cb5a6ff | 520 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
521 | const char *t; |
522 | Iterator i; | |
523 | int r; | |
524 | ||
5cb5a6ff LP |
525 | assert(s); |
526 | ||
527 | /* Load service data from SysV init scripts, preferably with | |
528 | * LSB headers ... */ | |
529 | ||
2c4104f0 LP |
530 | if (strv_isempty(UNIT(s)->meta.manager->sysvinit_path)) |
531 | return 0; | |
532 | ||
533 | if ((t = unit_id(UNIT(s)))) | |
534 | if ((r = service_load_sysv_name(s, t)) != 0) | |
535 | return r; | |
536 | ||
537 | SET_FOREACH(t, UNIT(s)->meta.names, i) | |
538 | if ((r == service_load_sysv_name(s, t)) != 0) | |
539 | return r; | |
540 | ||
541 | return 0; | |
5cb5a6ff LP |
542 | } |
543 | ||
87f0e418 | 544 | static int service_init(Unit *u) { |
5cb5a6ff | 545 | int r; |
87f0e418 | 546 | Service *s = SERVICE(u); |
5cb5a6ff LP |
547 | |
548 | assert(s); | |
549 | ||
034c6ed7 LP |
550 | /* First, reset everything to the defaults, in case this is a |
551 | * reload */ | |
552 | ||
553 | s->type = 0; | |
554 | s->restart = 0; | |
555 | ||
556 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
557 | s->restart_usec = DEFAULT_RESTART_USEC; | |
558 | ||
559 | exec_context_init(&s->exec_context); | |
560 | ||
acbb0225 | 561 | s->timer_watch.type = WATCH_INVALID; |
034c6ed7 LP |
562 | |
563 | s->state = SERVICE_DEAD; | |
5cb5a6ff | 564 | |
2c4104f0 | 565 | s->sysv_start_priority = -1; |
81a2b7ce LP |
566 | s->permissions_start_only = false; |
567 | s->root_directory_start_only = false; | |
2c4104f0 | 568 | |
1e2e8133 LP |
569 | RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5); |
570 | ||
5cb5a6ff | 571 | /* Load a .service file */ |
d46de8a1 | 572 | if ((r = unit_load_fragment(u)) < 0) { |
87f0e418 | 573 | service_done(u); |
5cb5a6ff | 574 | return r; |
44d8db9e | 575 | } |
5cb5a6ff | 576 | |
bd77d0fc | 577 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
d46de8a1 LP |
578 | if (r == 0) |
579 | if ((r = service_load_sysv(s)) <= 0) { | |
580 | service_done(u); | |
581 | return r < 0 ? r : -ENOENT; | |
582 | } | |
583 | ||
5cb5a6ff | 584 | /* Load dropin directory data */ |
87f0e418 LP |
585 | if ((r = unit_load_dropin(u)) < 0) { |
586 | service_done(u); | |
5cb5a6ff | 587 | return r; |
034c6ed7 LP |
588 | } |
589 | ||
8e274523 LP |
590 | /* Add default cgroup */ |
591 | if ((r = unit_add_default_cgroup(u)) < 0) { | |
592 | service_done(u); | |
593 | return r; | |
594 | } | |
595 | ||
44d8db9e | 596 | return 0; |
034c6ed7 LP |
597 | } |
598 | ||
87f0e418 | 599 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 600 | |
5cb5a6ff | 601 | ServiceExecCommand c; |
87f0e418 | 602 | Service *s = SERVICE(u); |
47be870b LP |
603 | const char *prefix2; |
604 | char *p2; | |
5cb5a6ff LP |
605 | |
606 | assert(s); | |
607 | ||
47be870b LP |
608 | p2 = strappend(prefix, "\t"); |
609 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 610 | |
5cb5a6ff | 611 | fprintf(f, |
81a2b7ce LP |
612 | "%sService State: %s\n" |
613 | "%sPermissionsStartOnly: %s\n" | |
8e274523 LP |
614 | "%sRootDirectoryStartOnly: %s\n" |
615 | "%sValidNoProcess: %s\n", | |
81a2b7ce LP |
616 | prefix, service_state_to_string(s->state), |
617 | prefix, yes_no(s->permissions_start_only), | |
8e274523 LP |
618 | prefix, yes_no(s->root_directory_start_only), |
619 | prefix, yes_no(s->valid_no_process)); | |
5cb5a6ff | 620 | |
034c6ed7 LP |
621 | if (s->pid_file) |
622 | fprintf(f, | |
623 | "%sPIDFile: %s\n", | |
624 | prefix, s->pid_file); | |
625 | ||
626 | ||
5cb5a6ff LP |
627 | exec_context_dump(&s->exec_context, f, prefix); |
628 | ||
629 | for (c = 0; c < _SERVICE_EXEC_MAX; c++) { | |
5cb5a6ff | 630 | |
44d8db9e LP |
631 | if (!s->exec_command[c]) |
632 | continue; | |
633 | ||
634 | fprintf(f, "%s→ %s:\n", | |
94f04347 | 635 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
636 | |
637 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 638 | } |
44d8db9e | 639 | |
2c4104f0 LP |
640 | if (s->sysv_path) |
641 | fprintf(f, | |
642 | "%sSysV Init Script Path: %s\n", | |
643 | prefix, s->sysv_path); | |
644 | ||
645 | if (s->sysv_start_priority >= 0) | |
646 | fprintf(f, | |
647 | "%sSysV Start Priority: %i\n", | |
648 | prefix, s->sysv_start_priority); | |
649 | ||
47be870b | 650 | free(p2); |
5cb5a6ff LP |
651 | } |
652 | ||
034c6ed7 LP |
653 | static int service_load_pid_file(Service *s) { |
654 | char *k; | |
655 | unsigned long p; | |
656 | int r; | |
657 | ||
658 | assert(s); | |
659 | ||
660 | if (s->main_pid_known) | |
661 | return 0; | |
662 | ||
663 | if (!s->pid_file) | |
664 | return -ENOENT; | |
665 | ||
666 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) | |
667 | return r; | |
668 | ||
669 | if ((r = safe_atolu(k, &p)) < 0) { | |
670 | free(k); | |
671 | return r; | |
672 | } | |
673 | ||
674 | if ((unsigned long) (pid_t) p != p) | |
675 | return -ERANGE; | |
676 | ||
677 | s->main_pid = p; | |
678 | s->main_pid_known = true; | |
679 | ||
680 | return 0; | |
681 | } | |
682 | ||
3e33402a LP |
683 | static int service_get_sockets(Service *s, Set **_set) { |
684 | Set *set; | |
ceee3d82 LP |
685 | Iterator i; |
686 | char *t; | |
3e33402a | 687 | int r; |
ceee3d82 LP |
688 | |
689 | assert(s); | |
3e33402a LP |
690 | assert(_set); |
691 | ||
692 | /* Collects all Socket objects that belong to this | |
693 | * service. Note that a service might have multiple sockets | |
694 | * via multiple names. */ | |
695 | ||
696 | if (!(set = set_new(NULL, NULL))) | |
697 | return -ENOMEM; | |
ceee3d82 LP |
698 | |
699 | SET_FOREACH(t, UNIT(s)->meta.names, i) { | |
700 | char *k; | |
701 | Unit *p; | |
702 | ||
703 | /* Look for all socket objects that go by any of our | |
704 | * units and collect their fds */ | |
705 | ||
3e33402a LP |
706 | if (!(k = unit_name_change_suffix(t, ".socket"))) { |
707 | r = -ENOMEM; | |
708 | goto fail; | |
709 | } | |
ceee3d82 LP |
710 | |
711 | p = manager_get_unit(UNIT(s)->meta.manager, k); | |
712 | free(k); | |
713 | ||
3e33402a | 714 | if (!p) continue; |
ceee3d82 | 715 | |
3e33402a LP |
716 | if ((r = set_put(set, p)) < 0) |
717 | goto fail; | |
ceee3d82 LP |
718 | } |
719 | ||
3e33402a LP |
720 | *_set = set; |
721 | return 0; | |
722 | ||
723 | fail: | |
724 | set_free(set); | |
725 | return r; | |
726 | } | |
727 | ||
728 | ||
729 | static int service_notify_sockets(Service *s) { | |
730 | Iterator i; | |
731 | Set *set; | |
47be870b | 732 | Socket *sock; |
3e33402a LP |
733 | int r; |
734 | ||
735 | assert(s); | |
736 | ||
737 | /* Notifies all our sockets when we die */ | |
738 | ||
739 | if ((r = service_get_sockets(s, &set)) < 0) | |
740 | return r; | |
741 | ||
47be870b LP |
742 | SET_FOREACH(sock, set, i) |
743 | socket_notify_service_dead(sock); | |
3e33402a LP |
744 | |
745 | set_free(set); | |
746 | ||
ceee3d82 LP |
747 | return 0; |
748 | } | |
749 | ||
034c6ed7 LP |
750 | static void service_set_state(Service *s, ServiceState state) { |
751 | ServiceState old_state; | |
5cb5a6ff LP |
752 | assert(s); |
753 | ||
034c6ed7 | 754 | old_state = s->state; |
5cb5a6ff | 755 | s->state = state; |
034c6ed7 LP |
756 | |
757 | if (state != SERVICE_START_PRE && | |
758 | state != SERVICE_START && | |
759 | state != SERVICE_START_POST && | |
760 | state != SERVICE_RELOAD && | |
761 | state != SERVICE_STOP && | |
762 | state != SERVICE_STOP_SIGTERM && | |
763 | state != SERVICE_STOP_SIGKILL && | |
764 | state != SERVICE_STOP_POST && | |
765 | state != SERVICE_FINAL_SIGTERM && | |
766 | state != SERVICE_FINAL_SIGKILL && | |
767 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 768 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 769 | |
7d55e835 LP |
770 | if (state != SERVICE_START && |
771 | state != SERVICE_START_POST && | |
034c6ed7 LP |
772 | state != SERVICE_RUNNING && |
773 | state != SERVICE_RELOAD && | |
774 | state != SERVICE_STOP && | |
775 | state != SERVICE_STOP_SIGTERM && | |
776 | state != SERVICE_STOP_SIGKILL) | |
acbb0225 | 777 | if (s->main_pid > 0) { |
87f0e418 | 778 | unit_unwatch_pid(UNIT(s), s->main_pid); |
034c6ed7 LP |
779 | s->main_pid = 0; |
780 | } | |
781 | ||
782 | if (state != SERVICE_START_PRE && | |
783 | state != SERVICE_START && | |
784 | state != SERVICE_START_POST && | |
785 | state != SERVICE_RELOAD && | |
786 | state != SERVICE_STOP && | |
787 | state != SERVICE_STOP_SIGTERM && | |
788 | state != SERVICE_STOP_SIGKILL && | |
789 | state != SERVICE_STOP_POST && | |
790 | state != SERVICE_FINAL_SIGTERM && | |
791 | state != SERVICE_FINAL_SIGKILL) | |
acbb0225 | 792 | if (s->control_pid > 0) { |
87f0e418 | 793 | unit_unwatch_pid(UNIT(s), s->control_pid); |
034c6ed7 LP |
794 | s->control_pid = 0; |
795 | } | |
796 | ||
797 | if (state != SERVICE_START_PRE && | |
798 | state != SERVICE_START && | |
799 | state != SERVICE_START_POST && | |
800 | state != SERVICE_RELOAD && | |
801 | state != SERVICE_STOP && | |
802 | state != SERVICE_STOP_POST) | |
803 | s->control_command = NULL; | |
804 | ||
ceee3d82 LP |
805 | if (state == SERVICE_DEAD || |
806 | state == SERVICE_STOP || | |
807 | state == SERVICE_STOP_SIGTERM || | |
808 | state == SERVICE_STOP_SIGKILL || | |
809 | state == SERVICE_STOP_POST || | |
810 | state == SERVICE_FINAL_SIGTERM || | |
811 | state == SERVICE_FINAL_SIGKILL || | |
812 | state == SERVICE_MAINTAINANCE || | |
813 | state == SERVICE_AUTO_RESTART) | |
814 | service_notify_sockets(s); | |
815 | ||
94f04347 | 816 | log_debug("%s changed %s → %s", unit_id(UNIT(s)), service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 LP |
817 | |
818 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
819 | } |
820 | ||
44d8db9e LP |
821 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
822 | Iterator i; | |
823 | int r; | |
824 | int *rfds = NULL; | |
825 | unsigned rn_fds = 0; | |
3e33402a | 826 | Set *set; |
47be870b | 827 | Socket *sock; |
44d8db9e LP |
828 | |
829 | assert(s); | |
830 | assert(fds); | |
831 | assert(n_fds); | |
832 | ||
3e33402a LP |
833 | if ((r = service_get_sockets(s, &set)) < 0) |
834 | return r; | |
835 | ||
47be870b | 836 | SET_FOREACH(sock, set, i) { |
44d8db9e LP |
837 | int *cfds; |
838 | unsigned cn_fds; | |
839 | ||
47be870b | 840 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
841 | goto fail; |
842 | ||
843 | if (!cfds) | |
844 | continue; | |
845 | ||
846 | if (!rfds) { | |
847 | rfds = cfds; | |
848 | rn_fds = cn_fds; | |
849 | } else { | |
850 | int *t; | |
851 | ||
852 | if (!(t = new(int, rn_fds+cn_fds))) { | |
853 | free(cfds); | |
854 | r = -ENOMEM; | |
855 | goto fail; | |
856 | } | |
857 | ||
858 | memcpy(t, rfds, rn_fds); | |
859 | memcpy(t+rn_fds, cfds, cn_fds); | |
860 | free(rfds); | |
861 | free(cfds); | |
862 | ||
863 | rfds = t; | |
864 | rn_fds = rn_fds+cn_fds; | |
865 | } | |
866 | } | |
867 | ||
868 | *fds = rfds; | |
869 | *n_fds = rn_fds; | |
3e33402a LP |
870 | |
871 | set_free(set); | |
872 | ||
44d8db9e LP |
873 | return 0; |
874 | ||
875 | fail: | |
3e33402a | 876 | set_free(set); |
44d8db9e | 877 | free(rfds); |
3e33402a | 878 | |
44d8db9e LP |
879 | return r; |
880 | } | |
881 | ||
81a2b7ce LP |
882 | static int service_spawn( |
883 | Service *s, | |
884 | ExecCommand *c, | |
885 | bool timeout, | |
886 | bool pass_fds, | |
887 | bool apply_permissions, | |
888 | bool apply_chroot, | |
889 | pid_t *_pid) { | |
890 | ||
034c6ed7 LP |
891 | pid_t pid; |
892 | int r; | |
44d8db9e LP |
893 | int *fds = NULL; |
894 | unsigned n_fds = 0; | |
034c6ed7 LP |
895 | |
896 | assert(s); | |
897 | assert(c); | |
898 | assert(_pid); | |
899 | ||
44d8db9e LP |
900 | if (pass_fds) |
901 | if ((r = service_collect_fds(s, &fds, &n_fds)) < 0) | |
902 | goto fail; | |
903 | ||
034c6ed7 | 904 | if (timeout) { |
acbb0225 | 905 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
906 | goto fail; |
907 | } else | |
acbb0225 | 908 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 909 | |
81a2b7ce LP |
910 | if ((r = exec_spawn(c, |
911 | &s->exec_context, | |
912 | fds, n_fds, | |
913 | apply_permissions, | |
914 | apply_chroot, | |
8e274523 | 915 | UNIT(s)->meta.cgroup_bondings, |
81a2b7ce | 916 | &pid)) < 0) |
034c6ed7 LP |
917 | goto fail; |
918 | ||
87f0e418 | 919 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
920 | /* FIXME: we need to do something here */ |
921 | goto fail; | |
922 | ||
44d8db9e | 923 | free(fds); |
034c6ed7 LP |
924 | *_pid = pid; |
925 | ||
5cb5a6ff | 926 | return 0; |
034c6ed7 LP |
927 | |
928 | fail: | |
44d8db9e LP |
929 | free(fds); |
930 | ||
034c6ed7 | 931 | if (timeout) |
acbb0225 | 932 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
933 | |
934 | return r; | |
935 | } | |
936 | ||
937 | static void service_enter_dead(Service *s, bool success, bool allow_restart) { | |
938 | int r; | |
939 | assert(s); | |
940 | ||
941 | if (!success) | |
942 | s->failure = true; | |
943 | ||
944 | if (allow_restart && | |
945 | (s->restart == SERVICE_RESTART_ALWAYS || | |
946 | (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) { | |
947 | ||
acbb0225 | 948 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
949 | goto fail; |
950 | ||
951 | service_set_state(s, SERVICE_AUTO_RESTART); | |
952 | } else | |
953 | service_set_state(s, s->failure ? SERVICE_MAINTAINANCE : SERVICE_DEAD); | |
954 | ||
955 | return; | |
956 | ||
957 | fail: | |
87f0e418 | 958 | log_warning("%s failed to run install restart timer: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
959 | service_enter_dead(s, false, false); |
960 | } | |
961 | ||
962 | static void service_enter_signal(Service *s, ServiceState state, bool success); | |
963 | ||
964 | static void service_enter_stop_post(Service *s, bool success) { | |
965 | int r; | |
966 | assert(s); | |
967 | ||
968 | if (!success) | |
969 | s->failure = true; | |
970 | ||
d6ea93e3 | 971 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) |
81a2b7ce LP |
972 | if ((r = service_spawn(s, |
973 | s->control_command, | |
974 | true, | |
975 | false, | |
976 | !s->permissions_start_only, | |
977 | !s->root_directory_start_only, | |
978 | &s->control_pid)) < 0) | |
034c6ed7 LP |
979 | goto fail; |
980 | ||
d6ea93e3 LP |
981 | |
982 | service_set_state(s, SERVICE_STOP_POST); | |
983 | ||
984 | if (!s->control_command) | |
034c6ed7 LP |
985 | service_enter_dead(s, true, true); |
986 | ||
987 | return; | |
988 | ||
989 | fail: | |
87f0e418 | 990 | log_warning("%s failed to run stop executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
991 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
992 | } | |
993 | ||
994 | static void service_enter_signal(Service *s, ServiceState state, bool success) { | |
995 | int r; | |
996 | bool sent = false; | |
997 | ||
998 | assert(s); | |
999 | ||
1000 | if (!success) | |
1001 | s->failure = true; | |
1002 | ||
1003 | if (s->main_pid > 0 || s->control_pid > 0) { | |
1004 | int sig; | |
1005 | ||
1006 | sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL; | |
1007 | ||
1008 | r = 0; | |
1009 | if (s->main_pid > 0) { | |
1010 | if (kill(s->main_pid, sig) < 0 && errno != ESRCH) | |
1011 | r = -errno; | |
1012 | else | |
1013 | sent = true; | |
1014 | } | |
1015 | ||
1016 | if (s->control_pid > 0) { | |
1017 | if (kill(s->control_pid, sig) < 0 && errno != ESRCH) | |
1018 | r = -errno; | |
1019 | else | |
1020 | sent = true; | |
1021 | } | |
1022 | ||
1023 | if (r < 0) | |
1024 | goto fail; | |
d6ea93e3 | 1025 | } |
034c6ed7 | 1026 | |
d6ea93e3 LP |
1027 | service_set_state(s, state); |
1028 | ||
1029 | if (s->main_pid <= 0 && s->control_pid <= 0) | |
034c6ed7 LP |
1030 | service_enter_dead(s, true, true); |
1031 | ||
1032 | return; | |
1033 | ||
1034 | fail: | |
87f0e418 | 1035 | log_warning("%s failed to kill processes: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1036 | |
1037 | if (sent) { | |
1038 | s->failure = true; | |
1039 | service_set_state(s, state); | |
1040 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
1041 | service_enter_stop_post(s, false); | |
1042 | else | |
1043 | service_enter_dead(s, false, true); | |
1044 | } | |
1045 | ||
1046 | static void service_enter_stop(Service *s, bool success) { | |
1047 | int r; | |
1048 | assert(s); | |
1049 | ||
1050 | if (!success) | |
1051 | s->failure = true; | |
1052 | ||
d6ea93e3 | 1053 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) |
81a2b7ce LP |
1054 | if ((r = service_spawn(s, |
1055 | s->control_command, | |
1056 | true, | |
1057 | false, | |
1058 | !s->permissions_start_only, | |
1059 | !s->root_directory_start_only, | |
1060 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1061 | goto fail; |
1062 | ||
d6ea93e3 LP |
1063 | service_set_state(s, SERVICE_STOP); |
1064 | ||
1065 | if (!s->control_command) | |
034c6ed7 LP |
1066 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); |
1067 | ||
1068 | return; | |
1069 | ||
1070 | fail: | |
87f0e418 | 1071 | log_warning("%s failed to run stop executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1072 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1073 | } | |
1074 | ||
1075 | static void service_enter_start_post(Service *s) { | |
1076 | int r; | |
1077 | assert(s); | |
1078 | ||
d6ea93e3 | 1079 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) |
81a2b7ce LP |
1080 | if ((r = service_spawn(s, |
1081 | s->control_command, | |
1082 | true, | |
1083 | false, | |
1084 | !s->permissions_start_only, | |
1085 | !s->root_directory_start_only, | |
1086 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1087 | goto fail; |
1088 | ||
d6ea93e3 LP |
1089 | |
1090 | service_set_state(s, SERVICE_START_POST); | |
1091 | ||
1092 | if (!s->control_command) | |
034c6ed7 LP |
1093 | service_set_state(s, SERVICE_RUNNING); |
1094 | ||
1095 | return; | |
1096 | ||
1097 | fail: | |
87f0e418 | 1098 | log_warning("%s failed to run start-post executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1099 | service_enter_stop(s, false); |
1100 | } | |
1101 | ||
1102 | static void service_enter_start(Service *s) { | |
1103 | pid_t pid; | |
1104 | int r; | |
1105 | ||
1106 | assert(s); | |
1107 | ||
1108 | assert(s->exec_command[SERVICE_EXEC_START]); | |
1109 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next); | |
1110 | ||
81a2b7ce LP |
1111 | if ((r = service_spawn(s, |
1112 | s->exec_command[SERVICE_EXEC_START], | |
1113 | s->type == SERVICE_FORKING, | |
1114 | true, | |
1115 | true, | |
1116 | true, | |
1117 | &pid)) < 0) | |
034c6ed7 LP |
1118 | goto fail; |
1119 | ||
d6ea93e3 LP |
1120 | service_set_state(s, SERVICE_START); |
1121 | ||
034c6ed7 LP |
1122 | if (s->type == SERVICE_SIMPLE) { |
1123 | /* For simple services we immediately start | |
1124 | * the START_POST binaries. */ | |
1125 | ||
1126 | s->main_pid = pid; | |
1127 | s->main_pid_known = true; | |
1128 | service_enter_start_post(s); | |
1129 | ||
1130 | } else if (s->type == SERVICE_FORKING) { | |
1131 | ||
1132 | /* For forking services we wait until the start | |
1133 | * process exited. */ | |
1134 | ||
1135 | s->control_pid = pid; | |
1136 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
7d55e835 LP |
1137 | } else if (s->type == SERVICE_FINISH) { |
1138 | ||
1139 | /* For finishing services we wait until the start | |
1140 | * process exited, too, but it is our main process. */ | |
1141 | ||
1142 | s->main_pid = pid; | |
1143 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
034c6ed7 LP |
1144 | } else |
1145 | assert_not_reached("Unknown service type"); | |
1146 | ||
1147 | return; | |
1148 | ||
1149 | fail: | |
87f0e418 | 1150 | log_warning("%s failed to run start exectuable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1151 | service_enter_stop(s, false); |
1152 | } | |
1153 | ||
1154 | static void service_enter_start_pre(Service *s) { | |
1155 | int r; | |
1156 | ||
1157 | assert(s); | |
1158 | ||
d6ea93e3 | 1159 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) |
81a2b7ce LP |
1160 | if ((r = service_spawn(s, |
1161 | s->control_command, | |
1162 | true, | |
1163 | false, | |
1164 | !s->permissions_start_only, | |
1165 | !s->root_directory_start_only, | |
1166 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1167 | goto fail; |
1168 | ||
d6ea93e3 LP |
1169 | service_set_state(s, SERVICE_START_PRE); |
1170 | ||
1171 | if (!s->control_command) | |
034c6ed7 LP |
1172 | service_enter_start(s); |
1173 | ||
1174 | return; | |
1175 | ||
1176 | fail: | |
87f0e418 | 1177 | log_warning("%s failed to run start-pre executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1178 | service_enter_dead(s, false, true); |
1179 | } | |
1180 | ||
1181 | static void service_enter_restart(Service *s) { | |
1182 | int r; | |
1183 | assert(s); | |
1184 | ||
87f0e418 | 1185 | if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0) |
034c6ed7 LP |
1186 | goto fail; |
1187 | ||
87f0e418 | 1188 | log_debug("%s scheduled restart job.", unit_id(UNIT(s))); |
034c6ed7 LP |
1189 | service_enter_dead(s, true, false); |
1190 | return; | |
1191 | ||
1192 | fail: | |
1193 | ||
87f0e418 | 1194 | log_warning("%s failed to schedule restart job: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1195 | service_enter_dead(s, false, false); |
1196 | } | |
1197 | ||
1198 | static void service_enter_reload(Service *s) { | |
1199 | int r; | |
1200 | ||
1201 | assert(s); | |
1202 | ||
d6ea93e3 | 1203 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) |
81a2b7ce LP |
1204 | if ((r = service_spawn(s, |
1205 | s->control_command, | |
1206 | true, | |
1207 | false, | |
1208 | !s->permissions_start_only, | |
1209 | !s->root_directory_start_only, | |
1210 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1211 | goto fail; |
1212 | ||
d6ea93e3 LP |
1213 | service_set_state(s, SERVICE_RELOAD); |
1214 | ||
1215 | if (!s->control_command) | |
034c6ed7 LP |
1216 | service_set_state(s, SERVICE_RUNNING); |
1217 | ||
1218 | return; | |
1219 | ||
1220 | fail: | |
87f0e418 | 1221 | log_warning("%s failed to run reload executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1222 | service_enter_stop(s, false); |
1223 | } | |
1224 | ||
1225 | static void service_run_next(Service *s, bool success) { | |
1226 | int r; | |
1227 | ||
1228 | assert(s); | |
1229 | assert(s->control_command); | |
1230 | assert(s->control_command->command_next); | |
1231 | ||
1232 | if (!success) | |
1233 | s->failure = true; | |
1234 | ||
1235 | s->control_command = s->control_command->command_next; | |
1236 | ||
81a2b7ce LP |
1237 | if ((r = service_spawn(s, |
1238 | s->control_command, | |
1239 | true, | |
1240 | false, | |
1241 | !s->permissions_start_only, | |
1242 | !s->root_directory_start_only, | |
1243 | &s->control_pid)) < 0) | |
034c6ed7 LP |
1244 | goto fail; |
1245 | ||
1246 | return; | |
1247 | ||
1248 | fail: | |
87f0e418 | 1249 | log_warning("%s failed to run spawn next executable: %s", unit_id(UNIT(s)), strerror(-r)); |
034c6ed7 LP |
1250 | |
1251 | if (s->state == SERVICE_STOP) | |
1252 | service_enter_stop_post(s, false); | |
1253 | else if (s->state == SERVICE_STOP_POST) | |
1254 | service_enter_dead(s, false, true); | |
1255 | else | |
1256 | service_enter_stop(s, false); | |
5cb5a6ff LP |
1257 | } |
1258 | ||
87f0e418 LP |
1259 | static int service_start(Unit *u) { |
1260 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
1261 | |
1262 | assert(s); | |
1263 | ||
034c6ed7 LP |
1264 | /* We cannot fulfill this request right now, try again later |
1265 | * please! */ | |
1266 | if (s->state == SERVICE_STOP || | |
1267 | s->state == SERVICE_STOP_SIGTERM || | |
1268 | s->state == SERVICE_STOP_SIGKILL || | |
1269 | s->state == SERVICE_STOP_POST || | |
1270 | s->state == SERVICE_FINAL_SIGTERM || | |
1271 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
1272 | return -EAGAIN; |
1273 | ||
034c6ed7 LP |
1274 | /* Already on it! */ |
1275 | if (s->state == SERVICE_START_PRE || | |
1276 | s->state == SERVICE_START || | |
1277 | s->state == SERVICE_START_POST) | |
1278 | return 0; | |
1279 | ||
1280 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTAINANCE || s->state == SERVICE_AUTO_RESTART); | |
5cb5a6ff | 1281 | |
1e2e8133 LP |
1282 | /* Make sure we don't enter a busy loop of some kind. */ |
1283 | if (!ratelimit_test(&s->ratelimit)) { | |
1284 | log_warning("%s start request repeated too quickly, refusing to start.", unit_id(u)); | |
1285 | return -EAGAIN; | |
1286 | } | |
1287 | ||
034c6ed7 LP |
1288 | s->failure = false; |
1289 | s->main_pid_known = false; | |
1290 | ||
1291 | service_enter_start_pre(s); | |
1292 | return 0; | |
5cb5a6ff LP |
1293 | } |
1294 | ||
87f0e418 LP |
1295 | static int service_stop(Unit *u) { |
1296 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
1297 | |
1298 | assert(s); | |
1299 | ||
034c6ed7 LP |
1300 | if (s->state == SERVICE_START_PRE || |
1301 | s->state == SERVICE_START || | |
1302 | s->state == SERVICE_START_POST || | |
1303 | s->state == SERVICE_RELOAD) | |
1304 | return -EAGAIN; | |
1305 | ||
1306 | if (s->state == SERVICE_AUTO_RESTART) { | |
1307 | service_set_state(s, SERVICE_DEAD); | |
1308 | return 0; | |
1309 | } | |
1310 | ||
1311 | assert(s->state == SERVICE_RUNNING); | |
5cb5a6ff | 1312 | |
034c6ed7 | 1313 | service_enter_stop(s, true); |
5cb5a6ff LP |
1314 | return 0; |
1315 | } | |
1316 | ||
87f0e418 LP |
1317 | static int service_reload(Unit *u) { |
1318 | Service *s = SERVICE(u); | |
034c6ed7 LP |
1319 | |
1320 | assert(s); | |
1321 | ||
1322 | assert(s->state == SERVICE_RUNNING); | |
1323 | ||
1324 | service_enter_reload(s); | |
5cb5a6ff LP |
1325 | return 0; |
1326 | } | |
1327 | ||
87f0e418 LP |
1328 | static bool service_can_reload(Unit *u) { |
1329 | Service *s = SERVICE(u); | |
034c6ed7 LP |
1330 | |
1331 | assert(s); | |
1332 | ||
1333 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
1334 | } | |
1335 | ||
87f0e418 LP |
1336 | static UnitActiveState service_active_state(Unit *u) { |
1337 | assert(u); | |
5cb5a6ff | 1338 | |
acbb0225 | 1339 | return state_translation_table[SERVICE(u)->state]; |
034c6ed7 LP |
1340 | } |
1341 | ||
1342 | static int main_pid_good(Service *s) { | |
1343 | assert(s); | |
1344 | ||
1345 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1346 | * don't know */ | |
1347 | ||
1348 | /* If we know the pid file, then lets just check if it is | |
1349 | * still valid */ | |
1350 | if (s->main_pid_known) | |
1351 | return s->main_pid > 0; | |
1352 | ||
1353 | /* We don't know the pid */ | |
8e274523 | 1354 | return -EAGAIN; |
034c6ed7 LP |
1355 | } |
1356 | ||
1357 | static bool control_pid_good(Service *s) { | |
1358 | assert(s); | |
5cb5a6ff | 1359 | |
034c6ed7 | 1360 | return s->control_pid > 0; |
5cb5a6ff LP |
1361 | } |
1362 | ||
8e274523 LP |
1363 | static int cgroup_good(Service *s) { |
1364 | assert(s); | |
1365 | ||
1366 | if (s->valid_no_process) | |
1367 | return -EAGAIN; | |
1368 | ||
1369 | return cgroup_bonding_is_empty_list(UNIT(s)->meta.cgroup_bondings); | |
1370 | } | |
1371 | ||
87f0e418 LP |
1372 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
1373 | Service *s = SERVICE(u); | |
034c6ed7 | 1374 | bool success; |
5cb5a6ff LP |
1375 | |
1376 | assert(s); | |
034c6ed7 LP |
1377 | assert(pid >= 0); |
1378 | ||
bd982a8b | 1379 | success = code == CLD_EXITED && status == 0; |
034c6ed7 LP |
1380 | s->failure = s->failure || !success; |
1381 | ||
1382 | if (s->main_pid == pid) { | |
1383 | ||
1384 | exec_status_fill(&s->main_exec_status, pid, code, status); | |
1385 | s->main_pid = 0; | |
1386 | ||
7d55e835 | 1387 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_FINISH) { |
034c6ed7 LP |
1388 | assert(s->exec_command[SERVICE_EXEC_START]); |
1389 | s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status; | |
1390 | } | |
1391 | ||
94f04347 | 1392 | log_debug("%s: main process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status); |
034c6ed7 LP |
1393 | |
1394 | /* The service exited, so the service is officially | |
1395 | * gone. */ | |
1396 | ||
1397 | switch (s->state) { | |
1398 | ||
1399 | case SERVICE_START_POST: | |
1400 | case SERVICE_RELOAD: | |
1401 | case SERVICE_STOP: | |
1402 | /* Need to wait until the operation is | |
1403 | * done */ | |
1404 | break; | |
1405 | ||
7d55e835 LP |
1406 | case SERVICE_START: |
1407 | assert(s->type == SERVICE_FINISH); | |
1408 | ||
1409 | /* This was our main goal, so let's go on */ | |
1410 | if (success) | |
1411 | service_enter_start_post(s); | |
1412 | else | |
1413 | service_enter_stop(s, false); | |
1414 | break; | |
1415 | ||
034c6ed7 LP |
1416 | case SERVICE_RUNNING: |
1417 | service_enter_stop(s, success); | |
1418 | break; | |
1419 | ||
1420 | case SERVICE_STOP_SIGTERM: | |
1421 | case SERVICE_STOP_SIGKILL: | |
1422 | ||
1423 | if (!control_pid_good(s)) | |
1424 | service_enter_stop_post(s, success); | |
5cb5a6ff | 1425 | |
034c6ed7 LP |
1426 | /* If there is still a control process, wait for that first */ |
1427 | break; | |
5cb5a6ff | 1428 | |
034c6ed7 LP |
1429 | default: |
1430 | assert_not_reached("Uh, main process died at wrong time."); | |
1431 | } | |
5cb5a6ff | 1432 | |
034c6ed7 LP |
1433 | } else if (s->control_pid == pid) { |
1434 | assert(s->control_command); | |
1435 | ||
1436 | exec_status_fill(&s->control_command->exec_status, pid, code, status); | |
1437 | s->control_pid = 0; | |
1438 | ||
94f04347 | 1439 | log_debug("%s: control process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status); |
034c6ed7 LP |
1440 | |
1441 | /* If we are shutting things down anyway we | |
1442 | * don't care about failing commands. */ | |
1443 | ||
1444 | if (s->control_command->command_next && | |
b866264a | 1445 | (success || (s->state == SERVICE_STOP || s->state == SERVICE_STOP_POST))) |
034c6ed7 LP |
1446 | |
1447 | /* There is another command to * | |
1448 | * execute, so let's do that. */ | |
1449 | ||
1450 | service_run_next(s, success); | |
1451 | ||
1452 | else { | |
1453 | /* No further commands for this step, so let's | |
1454 | * figure out what to do next */ | |
1455 | ||
94f04347 | 1456 | log_debug("%s got final SIGCHLD for state %s", unit_id(u), service_state_to_string(s->state)); |
bd982a8b | 1457 | |
034c6ed7 LP |
1458 | switch (s->state) { |
1459 | ||
1460 | case SERVICE_START_PRE: | |
1461 | if (success) | |
1462 | service_enter_start(s); | |
1463 | else | |
1464 | service_enter_stop(s, false); | |
1465 | break; | |
1466 | ||
1467 | case SERVICE_START: | |
1468 | assert(s->type == SERVICE_FORKING); | |
1469 | ||
1470 | /* Let's try to load the pid | |
1471 | * file here if we can. We | |
1472 | * ignore the return value, | |
1473 | * since the PID file might | |
1474 | * actually be created by a | |
1475 | * START_POST script */ | |
1476 | ||
1477 | if (success) { | |
1478 | if (s->pid_file) | |
1479 | service_load_pid_file(s); | |
1480 | ||
1481 | service_enter_start_post(s); | |
1482 | } else | |
1483 | service_enter_stop(s, false); | |
1484 | ||
1485 | break; | |
1486 | ||
1487 | case SERVICE_START_POST: | |
1488 | if (success && s->pid_file && !s->main_pid_known) { | |
1489 | int r; | |
1490 | ||
1491 | /* Hmm, let's see if we can | |
1492 | * load the pid now after the | |
1493 | * start-post scripts got | |
1494 | * executed. */ | |
1495 | ||
1496 | if ((r = service_load_pid_file(s)) < 0) | |
87f0e418 | 1497 | log_warning("%s: failed to load PID file %s: %s", unit_id(UNIT(s)), s->pid_file, strerror(-r)); |
034c6ed7 LP |
1498 | } |
1499 | ||
1500 | /* Fall through */ | |
1501 | ||
1502 | case SERVICE_RELOAD: | |
1503 | if (success) { | |
8e274523 | 1504 | if (main_pid_good(s) != 0 && cgroup_good(s) != 0) |
034c6ed7 LP |
1505 | service_set_state(s, SERVICE_RUNNING); |
1506 | else | |
1507 | service_enter_stop(s, true); | |
1508 | } else | |
1509 | service_enter_stop(s, false); | |
1510 | ||
1511 | break; | |
1512 | ||
1513 | case SERVICE_STOP: | |
1514 | if (main_pid_good(s) > 0) | |
1515 | /* Still not dead and we know the PID? Let's go hunting. */ | |
1516 | service_enter_signal(s, SERVICE_STOP_SIGTERM, success); | |
1517 | else | |
1518 | service_enter_stop_post(s, success); | |
1519 | break; | |
1520 | ||
1521 | case SERVICE_STOP_SIGTERM: | |
1522 | case SERVICE_STOP_SIGKILL: | |
1523 | if (main_pid_good(s) <= 0) | |
1524 | service_enter_stop_post(s, success); | |
1525 | ||
1526 | /* If there is still a service | |
1527 | * process around, wait until | |
1528 | * that one quit, too */ | |
1529 | break; | |
1530 | ||
1531 | case SERVICE_STOP_POST: | |
1532 | case SERVICE_FINAL_SIGTERM: | |
1533 | case SERVICE_FINAL_SIGKILL: | |
1534 | service_enter_dead(s, success, true); | |
1535 | break; | |
1536 | ||
1537 | default: | |
1538 | assert_not_reached("Uh, control process died at wrong time."); | |
1539 | } | |
1540 | } | |
1541 | } else | |
1542 | assert_not_reached("Got SIGCHLD for unkown PID"); | |
1543 | } | |
1544 | ||
acbb0225 | 1545 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 1546 | Service *s = SERVICE(u); |
034c6ed7 LP |
1547 | |
1548 | assert(s); | |
1549 | assert(elapsed == 1); | |
1550 | ||
acbb0225 | 1551 | assert(w == &s->timer_watch); |
034c6ed7 LP |
1552 | |
1553 | switch (s->state) { | |
1554 | ||
1555 | case SERVICE_START_PRE: | |
1556 | case SERVICE_START: | |
1557 | case SERVICE_START_POST: | |
1558 | case SERVICE_RELOAD: | |
87f0e418 | 1559 | log_warning("%s operation timed out. Stopping.", unit_id(u)); |
034c6ed7 LP |
1560 | service_enter_stop(s, false); |
1561 | break; | |
1562 | ||
1563 | case SERVICE_STOP: | |
87f0e418 | 1564 | log_warning("%s stopping timed out. Terminating.", unit_id(u)); |
034c6ed7 LP |
1565 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1566 | break; | |
1567 | ||
1568 | case SERVICE_STOP_SIGTERM: | |
87f0e418 | 1569 | log_warning("%s stopping timed out. Killing.", unit_id(u)); |
034c6ed7 LP |
1570 | service_enter_signal(s, SERVICE_STOP_SIGKILL, false); |
1571 | break; | |
1572 | ||
1573 | case SERVICE_STOP_SIGKILL: | |
1574 | /* Uh, wie sent a SIGKILL and it is still not gone? | |
1575 | * Must be something we cannot kill, so let's just be | |
1576 | * weirded out and continue */ | |
1577 | ||
87f0e418 | 1578 | log_warning("%s still around after SIGKILL. Ignoring.", unit_id(u)); |
034c6ed7 LP |
1579 | service_enter_stop_post(s, false); |
1580 | break; | |
1581 | ||
1582 | case SERVICE_STOP_POST: | |
87f0e418 | 1583 | log_warning("%s stopping timed out (2). Terminating.", unit_id(u)); |
034c6ed7 LP |
1584 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
1585 | break; | |
1586 | ||
1587 | case SERVICE_FINAL_SIGTERM: | |
87f0e418 | 1588 | log_warning("%s stopping timed out (2). Killing.", unit_id(u)); |
034c6ed7 LP |
1589 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, false); |
1590 | break; | |
1591 | ||
1592 | case SERVICE_FINAL_SIGKILL: | |
87f0e418 | 1593 | log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", unit_id(u)); |
034c6ed7 LP |
1594 | service_enter_dead(s, false, true); |
1595 | break; | |
1596 | ||
1597 | case SERVICE_AUTO_RESTART: | |
87f0e418 | 1598 | log_debug("%s holdoff time over, scheduling restart.", unit_id(u)); |
034c6ed7 LP |
1599 | service_enter_restart(s); |
1600 | break; | |
1601 | ||
1602 | default: | |
1603 | assert_not_reached("Timeout at wrong time."); | |
1604 | } | |
5cb5a6ff LP |
1605 | } |
1606 | ||
8e274523 LP |
1607 | static void service_cgroup_notify_event(Unit *u) { |
1608 | Service *s = SERVICE(u); | |
1609 | ||
1610 | assert(u); | |
1611 | ||
1612 | log_debug("%s: cgroup is empty", unit_id(u)); | |
1613 | ||
1614 | switch (s->state) { | |
1615 | ||
1616 | /* Waiting for SIGCHLD is usually more interesting, | |
1617 | * because it includes return codes/signals. Which is | |
1618 | * why we ignore the cgroup events for most cases, | |
1619 | * except when we don't know pid which to expect the | |
1620 | * SIGCHLD for. */ | |
1621 | ||
1622 | case SERVICE_RUNNING: | |
1623 | ||
1624 | if (!s->valid_no_process && main_pid_good(s) <= 0) | |
1625 | service_enter_stop(s, true); | |
1626 | ||
1627 | break; | |
1628 | ||
1629 | default: | |
1630 | ; | |
1631 | } | |
1632 | } | |
1633 | ||
2c4104f0 LP |
1634 | static int service_enumerate(Manager *m) { |
1635 | ||
1636 | static const char * const rcnd[] = { | |
1637 | "../rc0.d", SPECIAL_RUNLEVEL0_TARGET, | |
1638 | "../rc1.d", SPECIAL_RUNLEVEL1_TARGET, | |
1639 | "../rc2.d", SPECIAL_RUNLEVEL2_TARGET, | |
1640 | "../rc3.d", SPECIAL_RUNLEVEL3_TARGET, | |
1641 | "../rc4.d", SPECIAL_RUNLEVEL4_TARGET, | |
1642 | "../rc5.d", SPECIAL_RUNLEVEL5_TARGET, | |
1643 | "../rc6.d", SPECIAL_RUNLEVEL6_TARGET | |
1644 | }; | |
1645 | ||
1646 | char **p; | |
1647 | unsigned i; | |
1648 | DIR *d = NULL; | |
1649 | char *path = NULL, *fpath = NULL, *name = NULL; | |
1650 | int r; | |
1651 | ||
1652 | assert(m); | |
1653 | ||
1654 | STRV_FOREACH(p, m->sysvinit_path) | |
1655 | for (i = 0; i < ELEMENTSOF(rcnd); i += 2) { | |
1656 | struct dirent *de; | |
1657 | ||
1658 | free(path); | |
1659 | path = NULL; | |
1660 | if (asprintf(&path, "%s/%s", *p, rcnd[i]) < 0) { | |
1661 | r = -ENOMEM; | |
1662 | goto finish; | |
1663 | } | |
1664 | ||
1665 | if (d) | |
1666 | closedir(d); | |
1667 | ||
1668 | if (!(d = opendir(path))) { | |
1669 | if (errno != ENOENT) | |
1670 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
1671 | ||
1672 | continue; | |
1673 | } | |
1674 | ||
1675 | while ((de = readdir(d))) { | |
1676 | Unit *runlevel, *service; | |
1677 | ||
1678 | if (ignore_file(de->d_name)) | |
1679 | continue; | |
1680 | ||
1681 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
1682 | continue; | |
1683 | ||
1684 | if (strlen(de->d_name) < 4) | |
1685 | continue; | |
1686 | ||
1687 | free(fpath); | |
1688 | fpath = NULL; | |
1689 | if (asprintf(&fpath, "%s/%s/%s", *p, rcnd[i], de->d_name) < 0) { | |
1690 | r = -ENOMEM; | |
1691 | goto finish; | |
1692 | } | |
1693 | ||
1694 | if (access(fpath, X_OK) < 0) { | |
1695 | ||
1696 | if (errno != ENOENT) | |
1697 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
1698 | ||
1699 | continue; | |
1700 | } | |
1701 | ||
1702 | free(name); | |
1703 | name = NULL; | |
1704 | if (asprintf(&name, "%s.service", de->d_name+3) < 0) { | |
1705 | r = -ENOMEM; | |
1706 | goto finish; | |
1707 | } | |
1708 | ||
1709 | if ((r = manager_load_unit(m, name, &service)) < 0) | |
1710 | goto finish; | |
1711 | ||
2c4104f0 LP |
1712 | if ((r = manager_load_unit(m, rcnd[i+1], &runlevel)) < 0) |
1713 | goto finish; | |
1714 | ||
1715 | if (de->d_name[0] == 'S') { | |
1716 | if ((r = unit_add_dependency(runlevel, UNIT_WANTS, service)) < 0) | |
1717 | goto finish; | |
1718 | ||
1719 | if ((r = unit_add_dependency(runlevel, UNIT_AFTER, service)) < 0) | |
1720 | goto finish; | |
1721 | } else { | |
1722 | if ((r = unit_add_dependency(runlevel, UNIT_CONFLICTS, service)) < 0) | |
1723 | goto finish; | |
1724 | ||
1725 | if ((r = unit_add_dependency(runlevel, UNIT_BEFORE, service)) < 0) | |
1726 | goto finish; | |
1727 | } | |
1728 | } | |
1729 | } | |
1730 | ||
1731 | r = 0; | |
1732 | ||
1733 | finish: | |
1734 | free(path); | |
1735 | free(fpath); | |
1736 | free(name); | |
1737 | closedir(d); | |
1738 | ||
1739 | return r; | |
1740 | } | |
1741 | ||
94f04347 LP |
1742 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
1743 | [SERVICE_DEAD] = "dead", | |
1744 | [SERVICE_START_PRE] = "start-pre", | |
1745 | [SERVICE_START] = "start", | |
1746 | [SERVICE_START_POST] = "start-post", | |
1747 | [SERVICE_RUNNING] = "running", | |
1748 | [SERVICE_RELOAD] = "reload", | |
1749 | [SERVICE_STOP] = "stop", | |
1750 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
1751 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
1752 | [SERVICE_STOP_POST] = "stop-post", | |
1753 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
1754 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
1755 | [SERVICE_MAINTAINANCE] = "maintainance", | |
1756 | [SERVICE_AUTO_RESTART] = "auto-restart", | |
1757 | }; | |
1758 | ||
1759 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
1760 | ||
1761 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
1762 | [SERVICE_ONCE] = "once", | |
1763 | [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success", | |
1764 | [SERVICE_RESTART_ALWAYS] = "restart-on-failure", | |
1765 | }; | |
1766 | ||
1767 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
1768 | ||
1769 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
1770 | [SERVICE_FORKING] = "forking", | |
1771 | [SERVICE_SIMPLE] = "simple", | |
1772 | [SERVICE_FINISH] = "finish" | |
1773 | }; | |
1774 | ||
1775 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
1776 | ||
1777 | static const char* const service_exec_command_table[_SERVICE_EXEC_MAX] = { | |
1778 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", | |
1779 | [SERVICE_EXEC_START] = "ExecStart", | |
1780 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
1781 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
1782 | [SERVICE_EXEC_STOP] = "ExecStop", | |
1783 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
1784 | }; | |
1785 | ||
1786 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
1787 | ||
87f0e418 | 1788 | const UnitVTable service_vtable = { |
5cb5a6ff LP |
1789 | .suffix = ".service", |
1790 | ||
034c6ed7 LP |
1791 | .init = service_init, |
1792 | .done = service_done, | |
1793 | ||
5cb5a6ff LP |
1794 | .dump = service_dump, |
1795 | ||
1796 | .start = service_start, | |
1797 | .stop = service_stop, | |
1798 | .reload = service_reload, | |
1799 | ||
034c6ed7 LP |
1800 | .can_reload = service_can_reload, |
1801 | ||
5cb5a6ff LP |
1802 | .active_state = service_active_state, |
1803 | ||
034c6ed7 LP |
1804 | .sigchld_event = service_sigchld_event, |
1805 | .timer_event = service_timer_event, | |
2c4104f0 | 1806 | |
8e274523 LP |
1807 | .cgroup_notify_empty = service_cgroup_notify_event, |
1808 | ||
2c4104f0 | 1809 | .enumerate = service_enumerate |
5cb5a6ff | 1810 | }; |