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[people/ms/systemd.git] / service.c
CommitLineData
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 32#include "strv.h"
9e2f7c11 33#include "unit-name.h"
2c4104f0
LP		 34
35#define COMMENTS "#;\n"
36#define NEWLINES "\n\r"
37#define LINE_MAX 4096
034c6ed7 38
23a177ef 39static const char * const rcnd_table[] = {
adcbe07c
LP		 40 "/rc0.d", SPECIAL_RUNLEVEL0_TARGET,
41 "/rc1.d", SPECIAL_RUNLEVEL1_TARGET,
42 "/rc2.d", SPECIAL_RUNLEVEL2_TARGET,
43 "/rc3.d", SPECIAL_RUNLEVEL3_TARGET,
44 "/rc4.d", SPECIAL_RUNLEVEL4_TARGET,
45 "/rc5.d", SPECIAL_RUNLEVEL5_TARGET,
46 "/rc6.d", SPECIAL_RUNLEVEL6_TARGET,
47 "/boot.d", SPECIAL_BASIC_TARGET
23a177ef
LP		 48};
49
acbb0225 50static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
87f0e418
LP		 51 [SERVICE_DEAD] = UNIT_INACTIVE,
52 [SERVICE_START_PRE] = UNIT_ACTIVATING,
53 [SERVICE_START] = UNIT_ACTIVATING,
54 [SERVICE_START_POST] = UNIT_ACTIVATING,
55 [SERVICE_RUNNING] = UNIT_ACTIVE,
80876c20 56 [SERVICE_EXITED] = UNIT_ACTIVE,
87f0e418
LP		 57 [SERVICE_RELOAD] = UNIT_ACTIVE_RELOADING,
58 [SERVICE_STOP] = UNIT_DEACTIVATING,
59 [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
60 [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
61 [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
62 [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
63 [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
64 [SERVICE_MAINTAINANCE] = UNIT_INACTIVE,
65 [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING,
034c6ed7 66};
5cb5a6ff 67
5e94833f
LP		 68static void service_unwatch_control_pid(Service *s) {
69 assert(s);
70
71 if (s->control_pid <= 0)
72 return;
73
74 unit_unwatch_pid(UNIT(s), s->control_pid);
75 s->control_pid = 0;
76}
77
78static void service_unwatch_main_pid(Service *s) {
79 assert(s);
80
81 if (s->main_pid <= 0)
82 return;
83
84 unit_unwatch_pid(UNIT(s), s->main_pid);
85 s->main_pid = 0;
86}
87
4f2d528d
LP		 88static void service_close_socket_fd(Service *s) {
89 assert(s);
90
91 if (s->socket_fd < 0)
92 return;
93
94 close_nointr_nofail(s->socket_fd);
95 s->socket_fd = -1;
96}
97
87f0e418
LP		 98static void service_done(Unit *u) {
99 Service *s = SERVICE(u);
44d8db9e
LP		 100
101 assert(s);
102
103 free(s->pid_file);
104 s->pid_file = NULL;
105
2c4104f0
LP		 106 free(s->sysv_path);
107 s->sysv_path = NULL;
108
8309400a
LP		 109 free(s->sysv_runlevels);
110 s->sysv_runlevels = NULL;
111
44d8db9e 112 exec_context_done(&s->exec_context);
e537352b 113 exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
44d8db9e
LP		 114 s->control_command = NULL;
115
116 /* This will leak a process, but at least no memory or any of
117 * our resources */
5e94833f
LP		 118 service_unwatch_main_pid(s);
119 service_unwatch_control_pid(s);
44d8db9e 120
4f2d528d
LP		 121 service_close_socket_fd(s);
122
acbb0225 123 unit_unwatch_timer(u, &s->timer_watch);
44d8db9e
LP		 124}
125
2c4104f0
LP		 126static int sysv_translate_name(const char *name, char **_r) {
127
128 static const char * const table[] = {
129 "$local_fs", SPECIAL_LOCAL_FS_TARGET,
130 "$network", SPECIAL_NETWORK_TARGET,
131 "$named", SPECIAL_NSS_LOOKUP_TARGET,
132 "$portmap", SPECIAL_RPCBIND_TARGET,
133 "$remote_fs", SPECIAL_REMOTE_FS_TARGET,
134 "$syslog", SPECIAL_SYSLOG_TARGET,
135 "$time", SPECIAL_RTC_SET_TARGET
136 };
137
138 unsigned i;
139 char *r;
140
141 for (i = 0; i < ELEMENTSOF(table); i += 2)
142 if (streq(table[i], name)) {
143 if (!(r = strdup(table[i+1])))
144 return -ENOMEM;
145
146 goto finish;
147 }
148
149 if (*name == '$')
150 return 0;
151
152 if (asprintf(&r, "%s.service", name) < 0)
153 return -ENOMEM;
154
155finish:
156
157 if (_r)
158 *_r = r;
159
160 return 1;
161}
162
163static int sysv_chkconfig_order(Service *s) {
164 Meta *other;
165 int r;
166
167 assert(s);
168
169 if (s->sysv_start_priority < 0)
170 return 0;
171
23a177ef
LP		 172 /* For each pair of services where at least one lacks a LSB
173 * header, we use the start priority value to order things. */
2c4104f0
LP		 174
175 LIST_FOREACH(units_per_type, other, UNIT(s)->meta.manager->units_per_type[UNIT_SERVICE]) {
176 Service *t;
177 UnitDependency d;
178
179 t = (Service*) other;
180
181 if (s == t)
182 continue;
183
184 if (t->sysv_start_priority < 0)
185 continue;
186
51a1a79d
LP		 187 /* If both units have modern headers we don't care
188 * about the priorities */
189 if ((!s->sysv_path || s->sysv_has_lsb) &&
190 (!t->sysv_path || t->sysv_has_lsb))
23a177ef
LP		 191 continue;
192
2c4104f0
LP		 193 if (t->sysv_start_priority < s->sysv_start_priority)
194 d = UNIT_AFTER;
195 else if (t->sysv_start_priority > s->sysv_start_priority)
196 d = UNIT_BEFORE;
197 else
198 continue;
199
200 /* FIXME: Maybe we should compare the name here lexicographically? */
201
202 if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t))) < 0)
203 return r;
204 }
205
206 return 0;
207}
208
209static ExecCommand *exec_command_new(const char *path, const char *arg1) {
210 ExecCommand *c;
211
212 if (!(c = new0(ExecCommand, 1)))
213 return NULL;
214
215 if (!(c->path = strdup(path))) {
216 free(c);
217 return NULL;
218 }
219
220 if (!(c->argv = strv_new(path, arg1, NULL))) {
221 free(c->path);
222 free(c);
223 return NULL;
224 }
225
226 return c;
227}
228
229static int sysv_exec_commands(Service *s) {
230 ExecCommand *c;
231
232 assert(s);
233 assert(s->sysv_path);
234
235 if (!(c = exec_command_new(s->sysv_path, "start")))
236 return -ENOMEM;
237 exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
238
239 if (!(c = exec_command_new(s->sysv_path, "stop")))
240 return -ENOMEM;
241 exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
242
243 if (!(c = exec_command_new(s->sysv_path, "reload")))
244 return -ENOMEM;
245 exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
246
247 return 0;
248}
249
23a177ef
LP		 250static int priority_from_rcd(Service *s, const char *init_script) {
251 char **p;
252 unsigned i;
253
061978fa 254 STRV_FOREACH(p, UNIT(s)->meta.manager->sysvrcnd_path)
23a177ef
LP		 255 for (i = 0; i < ELEMENTSOF(rcnd_table); i += 2) {
256 char *path;
257 DIR *d;
258 struct dirent *de;
259
260 if (asprintf(&path, "%s/%s", *p, rcnd_table[i]) < 0)
261 return -ENOMEM;
262
263 d = opendir(path);
264 free(path);
265
266 if (!d) {
267 if (errno != ENOENT)
268 log_warning("opendir() failed on %s: %s", path, strerror(errno));
269
270 continue;
271 }
272
273 while ((de = readdir(d))) {
274 int a, b;
275
276 if (ignore_file(de->d_name))
277 continue;
278
279 if (de->d_name[0] != 'S')
280 continue;
281
282 if (strlen(de->d_name) < 4)
283 continue;
284
285 if (!streq(de->d_name + 3, init_script))
286 continue;
287
288 /* Yay, we found it! Now decode the priority */
289
290 a = undecchar(de->d_name[1]);
291 b = undecchar(de->d_name[2]);
292
293 if (a < 0 || b < 0)
294 continue;
295
296 s->sysv_start_priority = a*10 + b;
297
9e2f7c11 298 log_debug("Determined priority %i from link farm for %s", s->sysv_start_priority, UNIT(s)->meta.id);
23a177ef
LP		 299
300 closedir(d);
301 return 0;
302 }
303
304 closedir(d);
305 }
306
307 return 0;
308}
309
e537352b 310static int service_load_sysv_path(Service *s, const char *path) {
2c4104f0
LP		 311 FILE *f;
312 Unit *u;
313 unsigned line = 0;
314 int r;
315 enum {
316 NORMAL,
317 DESCRIPTION,
318 LSB,
319 LSB_DESCRIPTION
320 } state = NORMAL;
23a177ef
LP		 321
322 assert(s);
323 assert(path);
2c4104f0
LP		 324
325 u = UNIT(s);
326
327 if (!(f = fopen(path, "re"))) {
328 r = errno == ENOENT ? 0 : -errno;
329 goto finish;
330 }
331
332 s->type = SERVICE_FORKING;
333 s->restart = SERVICE_ONCE;
334
335 free(s->sysv_path);
336 if (!(s->sysv_path = strdup(path))) {
337 r = -ENOMEM;
338 goto finish;
339 }
340
341 while (!feof(f)) {
342 char l[LINE_MAX], *t;
343
344 if (!fgets(l, sizeof(l), f)) {
345 if (feof(f))
346 break;
347
348 r = -errno;
349 log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
350 goto finish;
351 }
352
353 line++;
354
355 t = strstrip(l);
356 if (*t != '#')
357 continue;
358
359 if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
360 state = LSB;
23a177ef 361 s->sysv_has_lsb = true;
2c4104f0
LP		 362 continue;
363 }
364
365 if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
366 state = NORMAL;
367 continue;
368 }
369
370 t++;
371 t += strspn(t, WHITESPACE);
372
373 if (state == NORMAL) {
374
375 /* Try to parse Red Hat style chkconfig headers */
376
377 if (startswith(t, "chkconfig:")) {
378 int start_priority;
8309400a 379 char runlevels[16], *k;
2c4104f0
LP		 380
381 state = NORMAL;
382
8309400a
LP		 383 if (sscanf(t+10, "%15s %i %*i",
384 runlevels,
385 &start_priority) != 2) {
2c4104f0
LP		 386
387 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
388 continue;
389 }
390
8309400a 391 if (start_priority < 0 || start_priority > 99)
2c4104f0 392 log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
8309400a
LP		 393 else
394 s->sysv_start_priority = start_priority;
395
396 char_array_0(runlevels);
397 k = delete_chars(runlevels, WHITESPACE "-");
398
399 if (k[0]) {
400 char *d;
401
402 if (!(d = strdup(k))) {
403 r = -ENOMEM;
404 goto finish;
405 }
406
407 free(s->sysv_runlevels);
408 s->sysv_runlevels = d;
2c4104f0
LP		 409 }
410
2c4104f0
LP		 411
412 } else if (startswith(t, "description:")) {
413
414 size_t k = strlen(t);
415 char *d;
416
417 if (t[k-1] == '\\') {
418 state = DESCRIPTION;
419 t[k-1] = 0;
420 }
421
422 if (!(d = strdup(strstrip(t+12)))) {
423 r = -ENOMEM;
424 goto finish;
425 }
426
427 free(u->meta.description);
428 u->meta.description = d;
429
430 } else if (startswith(t, "pidfile:")) {
431
432 char *fn;
433
434 state = NORMAL;
435
436 fn = strstrip(t+8);
437 if (!path_is_absolute(fn)) {
438 log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
439 continue;
440 }
441
442 if (!(fn = strdup(fn))) {
443 r = -ENOMEM;
444 goto finish;
445 }
446
447 free(s->pid_file);
448 s->pid_file = fn;
449 }
450
451 } else if (state == DESCRIPTION) {
452
453 /* Try to parse Red Hat style description
454 * continuation */
455
456 size_t k = strlen(t);
457 char *d;
458
459 if (t[k-1] == '\\')
460 t[k-1] = 0;
461 else
462 state = NORMAL;
463
464 assert(u->meta.description);
465 if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
466 r = -ENOMEM;
467 goto finish;
468 }
469
470 free(u->meta.description);
471 u->meta.description = d;
472
473 } else if (state == LSB || state == LSB_DESCRIPTION) {
474
475 if (startswith(t, "Provides:")) {
476 char *i, *w;
477 size_t z;
478
479 state = LSB;
480
481 FOREACH_WORD(w, z, t+9, i) {
482 char *n, *m;
483
484 if (!(n = strndup(w, z))) {
485 r = -ENOMEM;
486 goto finish;
487 }
488
489 r = sysv_translate_name(n, &m);
490 free(n);
491
492 if (r < 0)
493 goto finish;
494
495 if (r == 0)
496 continue;
497
bd77d0fc
LP		 498 if (unit_name_to_type(m) == UNIT_SERVICE)
499 r = unit_add_name(u, m);
500 else {
9e2f7c11
LP		 501 if ((r = unit_add_dependency_by_name_inverse(u, UNIT_REQUIRES, m, NULL)) >= 0)
502 r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL);
bd77d0fc
LP		 503 }
504
2c4104f0
LP		 505 free(m);
506
507 if (r < 0)
508 goto finish;
509 }
510
511 } else if (startswith(t, "Required-Start:") ||
512 startswith(t, "Should-Start:")) {
513 char *i, *w;
514 size_t z;
515
516 state = LSB;
517
518 FOREACH_WORD(w, z, strchr(t, ':')+1, i) {
519 char *n, *m;
520
521 if (!(n = strndup(w, z))) {
522 r = -ENOMEM;
523 goto finish;
524 }
525
526 r = sysv_translate_name(n, &m);
527 free(n);
528
529 if (r < 0)
530 goto finish;
531
532 if (r == 0)
533 continue;
534
9e2f7c11 535 r = unit_add_dependency_by_name(u, UNIT_AFTER, m, NULL);
2c4104f0
LP		 536 free(m);
537
538 if (r < 0)
539 goto finish;
540 }
8309400a
LP		 541 } else if (startswith(t, "Default-Start:")) {
542 char *k, *d;
543
544 state = LSB;
545
546 k = delete_chars(t+14, WHITESPACE "-");
547
548 if (k[0] != 0) {
549 if (!(d = strdup(k))) {
550 r = -ENOMEM;
551 goto finish;
552 }
553
554 free(s->sysv_runlevels);
555 s->sysv_runlevels = d;
556 }
2c4104f0
LP		 557
558 } else if (startswith(t, "Description:")) {
559 char *d;
560
561 state = LSB_DESCRIPTION;
562
563 if (!(d = strdup(strstrip(t+12)))) {
564 r = -ENOMEM;
565 goto finish;
566 }
567
568 free(u->meta.description);
569 u->meta.description = d;
570
8309400a
LP		 571 } else if (startswith(t, "Short-Description:") &&
572 !u->meta.description) {
2c4104f0
LP		 573 char *d;
574
575 /* We use the short description only
576 * if no long description is set. */
577
578 state = LSB;
579
580 if (!(d = strdup(strstrip(t+18)))) {
581 r = -ENOMEM;
582 goto finish;
583 }
584
2c4104f0
LP		 585 u->meta.description = d;
586
587 } else if (state == LSB_DESCRIPTION) {
588
589 if (startswith(l, "#\t") || startswith(l, "# ")) {
590 char *d;
591
592 assert(u->meta.description);
593 if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
594 r = -ENOMEM;
595 goto finish;
596 }
597
598 free(u->meta.description);
599 u->meta.description = d;
600 } else
601 state = LSB;
602 }
603 }
604 }
605
23a177ef
LP		 606 /* If init scripts have no LSB header, then we enforce the
607 * ordering via the chkconfig priorities. We try to determine
608 * a priority for *all* init scripts here, since they are
609 * needed as soon as at least one non-LSB script is used. */
2c4104f0 610
23a177ef 611 if (s->sysv_start_priority < 0) {
9e2f7c11 612 log_debug("%s has no chkconfig header, trying to determine SysV priority from link farm.", u->meta.id);
23a177ef
LP		 613
614 if ((r = priority_from_rcd(s, file_name_from_path(path))) < 0)
2c4104f0
LP		 615 goto finish;
616
23a177ef 617 if (s->sysv_start_priority < 0)
9e2f7c11 618 log_warning("%s has neither a chkconfig header nor a directory link, cannot order unit!", u->meta.id);
23a177ef
LP		 619 }
620
2c4104f0
LP		 621 if ((r = sysv_exec_commands(s)) < 0)
622 goto finish;
623
0bc824be
LP		 624 if (!s->sysv_runlevels || chars_intersect("12345", s->sysv_runlevels)) {
625 /* If there a runlevels configured for this service
626 * but none of the standard ones, then we assume this
627 * is some special kind of service (which might be
628 * needed for early boot) and don't create any links
629 * to it. */
630
9e2f7c11
LP		 631 if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL)) < 0 ||
632 (r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_BASIC_TARGET, NULL)) < 0)
0bc824be
LP		 633 goto finish;
634 }
0fd030be 635
80876c20
LP		 636 /* Special setting for all SysV services */
637 s->valid_no_process = true;
638
90a13a44 639 /* Don't timeout special services during boot (like fsck) */
ba8c0bef 640 if (s->sysv_runlevels && !chars_intersect("12345", s->sysv_runlevels))
90a13a44
LP		 641 s->timeout_usec = -1;
642
e537352b 643 u->meta.load_state = UNIT_LOADED;
23a177ef 644 r = 0;
2c4104f0
LP		 645
646finish:
647
648 if (f)
649 fclose(f);
650
651 return r;
652}
653
e537352b 654static int service_load_sysv_name(Service *s, const char *name) {
2c4104f0
LP		 655 char **p;
656
657 assert(s);
658 assert(name);
659
660 STRV_FOREACH(p, UNIT(s)->meta.manager->sysvinit_path) {
661 char *path;
662 int r;
663
664 if (asprintf(&path, "%s/%s", *p, name) < 0)
665 return -ENOMEM;
666
667 assert(endswith(path, ".service"));
668 path[strlen(path)-8] = 0;
669
e537352b 670 r = service_load_sysv_path(s, path);
2c4104f0
LP		 671 free(path);
672
23a177ef 673 if (r < 0)
2c4104f0 674 return r;
23a177ef 675
e537352b 676 if ((UNIT(s)->meta.load_state != UNIT_STUB))
23a177ef 677 break;
2c4104f0
LP		 678 }
679
680 return 0;
681}
682
e537352b 683static int service_load_sysv(Service *s) {
2c4104f0
LP		 684 const char *t;
685 Iterator i;
686 int r;
687
5cb5a6ff
LP		 688 assert(s);
689
690 /* Load service data from SysV init scripts, preferably with
691 * LSB headers ... */
692
2c4104f0
LP		 693 if (strv_isempty(UNIT(s)->meta.manager->sysvinit_path))
694 return 0;
695
9e2f7c11 696 if ((t = UNIT(s)->meta.id))
e537352b 697 if ((r = service_load_sysv_name(s, t)) < 0)
2c4104f0
LP		 698 return r;
699
e537352b 700 if (UNIT(s)->meta.load_state == UNIT_STUB)
23a177ef 701 SET_FOREACH(t, UNIT(s)->meta.names, i) {
9e2f7c11 702 if (t == UNIT(s)->meta.id)
e537352b
LP		 703 continue;
704
705 if ((r == service_load_sysv_name(s, t)) < 0)
23a177ef
LP		 706 return r;
707
e537352b 708 if (UNIT(s)->meta.load_state != UNIT_STUB)
23a177ef
LP		 709 break;
710 }
2c4104f0
LP		 711
712 return 0;
5cb5a6ff
LP		 713}
714
e537352b 715static void service_init(Unit *u) {
87f0e418 716 Service *s = SERVICE(u);
5cb5a6ff 717
e537352b
LP		 718 assert(u);
719 assert(u->meta.load_state == UNIT_STUB);
034c6ed7
LP		 720
721 s->type = 0;
722 s->restart = 0;
723
724 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
725 s->restart_usec = DEFAULT_RESTART_USEC;
726
727 exec_context_init(&s->exec_context);
728
acbb0225 729 s->timer_watch.type = WATCH_INVALID;
034c6ed7
LP		 730
731 s->state = SERVICE_DEAD;
5cb5a6ff 732
2c4104f0 733 s->sysv_start_priority = -1;
81a2b7ce
LP		 734 s->permissions_start_only = false;
735 s->root_directory_start_only = false;
50159e6a
LP		 736 s->valid_no_process = false;
737 s->kill_mode = 0;
23a177ef 738 s->sysv_has_lsb = false;
50159e6a
LP		 739 s->main_pid = s->control_pid = 0;
740 s->main_pid_known = false;
741 s->failure = false;
23a177ef 742
4f2d528d
LP		 743 s->socket_fd = -1;
744
1e2e8133 745 RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
e537352b
LP		 746}
747
243b1432
LP		 748static int service_verify(Service *s) {
749 assert(s);
750
751 if (UNIT(s)->meta.load_state != UNIT_LOADED)
752 return 0;
753
754 if (!s->exec_command[SERVICE_EXEC_START]) {
9e2f7c11 755 log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->meta.id);
243b1432
LP		 756 return -EINVAL;
757 }
758
759 return 0;
760}
761
e537352b
LP		 762static int service_load(Unit *u) {
763 int r;
764 Service *s = SERVICE(u);
765
766 assert(s);
1e2e8133 767
5cb5a6ff 768 /* Load a .service file */
e537352b 769 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 770 return r;
771
bd77d0fc 772 /* Load a classic init script as a fallback, if we couldn't find anything */
e537352b
LP		 773 if (u->meta.load_state == UNIT_STUB)
774 if ((r = service_load_sysv(s)) < 0)
23a177ef 775 return r;
d46de8a1 776
23a177ef 777 /* Still nothing found? Then let's give up */
e537352b 778 if (u->meta.load_state == UNIT_STUB)
23a177ef 779 return -ENOENT;
034c6ed7 780
23a177ef
LP		 781 /* We were able to load something, then let's add in the
782 * dropin directories. */
783 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 784 return r;
23a177ef
LP		 785
786 /* This is a new unit? Then let's add in some extras */
e537352b 787 if (u->meta.load_state == UNIT_LOADED) {
23a177ef
LP		 788 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
789 return r;
790
791 if ((r = unit_add_default_cgroup(u)) < 0)
792 return r;
793
794 if ((r = sysv_chkconfig_order(s)) < 0)
795 return r;
8e274523
LP		 796 }
797
243b1432 798 return service_verify(s);
034c6ed7
LP		 799}
800
87f0e418 801static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 802
5cb5a6ff 803 ServiceExecCommand c;
87f0e418 804 Service *s = SERVICE(u);
47be870b
LP		 805 const char *prefix2;
806 char *p2;
5cb5a6ff
LP		 807
808 assert(s);
809
47be870b
LP		 810 p2 = strappend(prefix, "\t");
811 prefix2 = p2 ? p2 : prefix;
44d8db9e 812
5cb5a6ff 813 fprintf(f,
81a2b7ce
LP		 814 "%sService State: %s\n"
815 "%sPermissionsStartOnly: %s\n"
8e274523 816 "%sRootDirectoryStartOnly: %s\n"
03d6ab85 817 "%sValidNoProcess: %s\n"
50159e6a 818 "%sKillMode: %s\n"
03d6ab85 819 "%sType: %s\n",
81a2b7ce
LP		 820 prefix, service_state_to_string(s->state),
821 prefix, yes_no(s->permissions_start_only),
8e274523 822 prefix, yes_no(s->root_directory_start_only),
03d6ab85 823 prefix, yes_no(s->valid_no_process),
50159e6a 824 prefix, kill_mode_to_string(s->kill_mode),
03d6ab85 825 prefix, service_type_to_string(s->type));
5cb5a6ff 826
70123e68
LP		 827 if (s->control_pid > 0)
828 fprintf(f,
829 "%sControl PID: %llu\n",
830 prefix, (unsigned long long) s->control_pid);
831
832 if (s->main_pid > 0)
833 fprintf(f,
834 "%sMain PID: %llu\n",
835 prefix, (unsigned long long) s->main_pid);
836
034c6ed7
LP		 837 if (s->pid_file)
838 fprintf(f,
839 "%sPIDFile: %s\n",
840 prefix, s->pid_file);
841
5cb5a6ff
LP		 842 exec_context_dump(&s->exec_context, f, prefix);
843
e537352b 844 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 845
44d8db9e
LP		 846 if (!s->exec_command[c])
847 continue;
848
849 fprintf(f, "%s→ %s:\n",
94f04347 850 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 851
852 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 853 }
44d8db9e 854
2c4104f0
LP		 855 if (s->sysv_path)
856 fprintf(f,
23a177ef
LP		 857 "%sSysV Init Script Path: %s\n"
858 "%sSysV Init Script has LSB Header: %s\n",
859 prefix, s->sysv_path,
860 prefix, yes_no(s->sysv_has_lsb));
2c4104f0
LP		 861
862 if (s->sysv_start_priority >= 0)
863 fprintf(f,
23a177ef 864 "%sSysVStartPriority: %i\n",
2c4104f0
LP		 865 prefix, s->sysv_start_priority);
866
8309400a
LP		 867 if (s->sysv_runlevels)
868 fprintf(f, "%sSysVRunLevels: %s\n",
869 prefix, s->sysv_runlevels);
23a177ef 870
47be870b 871 free(p2);
5cb5a6ff
LP		 872}
873
034c6ed7
LP		 874static int service_load_pid_file(Service *s) {
875 char *k;
876 unsigned long p;
877 int r;
878
879 assert(s);
880
881 if (s->main_pid_known)
882 return 0;
883
5e94833f
LP		 884 assert(s->main_pid <= 0);
885
034c6ed7
LP		 886 if (!s->pid_file)
887 return -ENOENT;
888
889 if ((r = read_one_line_file(s->pid_file, &k)) < 0)
890 return r;
891
892 if ((r = safe_atolu(k, &p)) < 0) {
893 free(k);
894 return r;
895 }
896
897 if ((unsigned long) (pid_t) p != p)
898 return -ERANGE;
899
b8c597d5
LP		 900 if (kill((pid_t) p, 0) < 0 && errno != EPERM) {
901 log_warning("PID %llu read from file %s does not exist. Your service or init script might be broken.",
902 (unsigned long long) p, s->pid_file);
903 return -ESRCH;
904 }
905
16f6025e
LP		 906 if ((r = unit_watch_pid(UNIT(s), (pid_t) p)) < 0)
907 /* FIXME: we need to do something here */
908 return r;
909
b8c597d5 910 s->main_pid = (pid_t) p;
034c6ed7
LP		 911 s->main_pid_known = true;
912
913 return 0;
914}
915
3e33402a
LP		 916static int service_get_sockets(Service *s, Set **_set) {
917 Set *set;
ceee3d82
LP		 918 Iterator i;
919 char *t;
3e33402a 920 int r;
ceee3d82
LP		 921
922 assert(s);
3e33402a
LP		 923 assert(_set);
924
925 /* Collects all Socket objects that belong to this
926 * service. Note that a service might have multiple sockets
927 * via multiple names. */
928
929 if (!(set = set_new(NULL, NULL)))
930 return -ENOMEM;
ceee3d82
LP		 931
932 SET_FOREACH(t, UNIT(s)->meta.names, i) {
933 char *k;
934 Unit *p;
935
936 /* Look for all socket objects that go by any of our
937 * units and collect their fds */
938
3e33402a
LP		 939 if (!(k = unit_name_change_suffix(t, ".socket"))) {
940 r = -ENOMEM;
941 goto fail;
942 }
ceee3d82
LP		 943
944 p = manager_get_unit(UNIT(s)->meta.manager, k);
945 free(k);
946
3e33402a 947 if (!p) continue;
ceee3d82 948
3e33402a
LP		 949 if ((r = set_put(set, p)) < 0)
950 goto fail;
ceee3d82
LP		 951 }
952
3e33402a
LP		 953 *_set = set;
954 return 0;
955
956fail:
957 set_free(set);
958 return r;
959}
960
e537352b 961static int service_notify_sockets_dead(Service *s) {
3e33402a
LP		 962 Iterator i;
963 Set *set;
47be870b 964 Socket *sock;
3e33402a
LP		 965 int r;
966
967 assert(s);
968
969 /* Notifies all our sockets when we die */
3e33402a
LP		 970 if ((r = service_get_sockets(s, &set)) < 0)
971 return r;
972
47be870b
LP		 973 SET_FOREACH(sock, set, i)
974 socket_notify_service_dead(sock);
3e33402a
LP		 975
976 set_free(set);
977
ceee3d82
LP		 978 return 0;
979}
980
034c6ed7
LP		 981static void service_set_state(Service *s, ServiceState state) {
982 ServiceState old_state;
5cb5a6ff
LP		 983 assert(s);
984
034c6ed7 985 old_state = s->state;
5cb5a6ff 986 s->state = state;
034c6ed7
LP		 987
988 if (state != SERVICE_START_PRE &&
989 state != SERVICE_START &&
990 state != SERVICE_START_POST &&
991 state != SERVICE_RELOAD &&
992 state != SERVICE_STOP &&
993 state != SERVICE_STOP_SIGTERM &&
994 state != SERVICE_STOP_SIGKILL &&
995 state != SERVICE_STOP_POST &&
996 state != SERVICE_FINAL_SIGTERM &&
997 state != SERVICE_FINAL_SIGKILL &&
998 state != SERVICE_AUTO_RESTART)
acbb0225 999 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1000
7d55e835
LP		 1001 if (state != SERVICE_START &&
1002 state != SERVICE_START_POST &&
034c6ed7
LP		 1003 state != SERVICE_RUNNING &&
1004 state != SERVICE_RELOAD &&
1005 state != SERVICE_STOP &&
1006 state != SERVICE_STOP_SIGTERM &&
1007 state != SERVICE_STOP_SIGKILL)
5e94833f 1008 service_unwatch_main_pid(s);
034c6ed7
LP		 1009
1010 if (state != SERVICE_START_PRE &&
1011 state != SERVICE_START &&
1012 state != SERVICE_START_POST &&
1013 state != SERVICE_RELOAD &&
1014 state != SERVICE_STOP &&
1015 state != SERVICE_STOP_SIGTERM &&
1016 state != SERVICE_STOP_SIGKILL &&
1017 state != SERVICE_STOP_POST &&
1018 state != SERVICE_FINAL_SIGTERM &&
e537352b 1019 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1020 service_unwatch_control_pid(s);
034c6ed7 1021 s->control_command = NULL;
e537352b 1022 }
034c6ed7 1023
ceee3d82
LP		 1024 if (state == SERVICE_DEAD ||
1025 state == SERVICE_STOP ||
1026 state == SERVICE_STOP_SIGTERM ||
1027 state == SERVICE_STOP_SIGKILL ||
1028 state == SERVICE_STOP_POST ||
1029 state == SERVICE_FINAL_SIGTERM ||
1030 state == SERVICE_FINAL_SIGKILL ||
1031 state == SERVICE_MAINTAINANCE ||
1032 state == SERVICE_AUTO_RESTART)
e537352b 1033 service_notify_sockets_dead(s);
ceee3d82 1034
4f2d528d
LP		 1035 if (state != SERVICE_START_PRE &&
1036 state != SERVICE_START &&
1037 !(state == SERVICE_DEAD && UNIT(s)->meta.job))
1038 service_close_socket_fd(s);
1039
e537352b 1040 if (old_state != state)
9e2f7c11 1041 log_debug("%s changed %s → %s", UNIT(s)->meta.id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225
LP		 1042
1043 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
034c6ed7
LP		 1044}
1045
44d8db9e
LP		 1046static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1047 Iterator i;
1048 int r;
1049 int *rfds = NULL;
1050 unsigned rn_fds = 0;
3e33402a 1051 Set *set;
47be870b 1052 Socket *sock;
44d8db9e
LP		 1053
1054 assert(s);
1055 assert(fds);
1056 assert(n_fds);
1057
3e33402a
LP		 1058 if ((r = service_get_sockets(s, &set)) < 0)
1059 return r;
1060
47be870b 1061 SET_FOREACH(sock, set, i) {
44d8db9e
LP		 1062 int *cfds;
1063 unsigned cn_fds;
1064
47be870b 1065 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1066 goto fail;
1067
1068 if (!cfds)
1069 continue;
1070
1071 if (!rfds) {
1072 rfds = cfds;
1073 rn_fds = cn_fds;
1074 } else {
1075 int *t;
1076
1077 if (!(t = new(int, rn_fds+cn_fds))) {
1078 free(cfds);
1079 r = -ENOMEM;
1080 goto fail;
1081 }
1082
1083 memcpy(t, rfds, rn_fds);
1084 memcpy(t+rn_fds, cfds, cn_fds);
1085 free(rfds);
1086 free(cfds);
1087
1088 rfds = t;
1089 rn_fds = rn_fds+cn_fds;
1090 }
1091 }
1092
1093 *fds = rfds;
1094 *n_fds = rn_fds;
3e33402a
LP		 1095
1096 set_free(set);
1097
44d8db9e
LP		 1098 return 0;
1099
1100fail:
3e33402a 1101 set_free(set);
44d8db9e 1102 free(rfds);
3e33402a 1103
44d8db9e
LP		 1104 return r;
1105}
1106
81a2b7ce
LP		 1107static int service_spawn(
1108 Service *s,
1109 ExecCommand *c,
1110 bool timeout,
1111 bool pass_fds,
1112 bool apply_permissions,
1113 bool apply_chroot,
1114 pid_t *_pid) {
1115
034c6ed7
LP		 1116 pid_t pid;
1117 int r;
44d8db9e
LP		 1118 int *fds = NULL;
1119 unsigned n_fds = 0;
9e2f7c11 1120 char **argv;
034c6ed7
LP		 1121
1122 assert(s);
1123 assert(c);
1124 assert(_pid);
1125
4f2d528d
LP		 1126 if (pass_fds) {
1127 if (s->socket_fd >= 0) {
1128 fds = &s->socket_fd;
1129 n_fds = 1;
1130 } else if ((r = service_collect_fds(s, &fds, &n_fds)) < 0)
44d8db9e 1131 goto fail;
4f2d528d 1132 }
44d8db9e 1133
034c6ed7 1134 if (timeout) {
acbb0225 1135 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1136 goto fail;
1137 } else
acbb0225 1138 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1139
9e2f7c11
LP		 1140 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1141 r = -ENOMEM;
1142 goto fail;
1143 }
1144
1145 r = exec_spawn(c,
1146 argv,
1147 &s->exec_context,
1148 fds, n_fds,
1149 apply_permissions,
1150 apply_chroot,
1151 UNIT(s)->meta.manager->confirm_spawn,
1152 UNIT(s)->meta.cgroup_bondings,
1153 &pid);
1154
1155 strv_free(argv);
1156 if (r < 0)
034c6ed7
LP		 1157 goto fail;
1158
4f2d528d
LP		 1159 if (fds) {
1160 if (s->socket_fd >= 0)
1161 service_close_socket_fd(s);
1162 else
1163 free(fds);
1164 }
1165
87f0e418 1166 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1167 /* FIXME: we need to do something here */
1168 goto fail;
1169
1170 *_pid = pid;
1171
5cb5a6ff 1172 return 0;
034c6ed7
LP		 1173
1174fail:
44d8db9e
LP		 1175 free(fds);
1176
034c6ed7 1177 if (timeout)
acbb0225 1178 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1179
1180 return r;
1181}
1182
80876c20
LP		 1183static int main_pid_good(Service *s) {
1184 assert(s);
1185
1186 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1187 * don't know */
1188
1189 /* If we know the pid file, then lets just check if it is
1190 * still valid */
1191 if (s->main_pid_known)
1192 return s->main_pid > 0;
1193
1194 /* We don't know the pid */
1195 return -EAGAIN;
1196}
1197
1198static int control_pid_good(Service *s) {
1199 assert(s);
1200
1201 return s->control_pid > 0;
1202}
1203
1204static int cgroup_good(Service *s) {
1205 int r;
1206
1207 assert(s);
1208
1209 if (s->valid_no_process)
1210 return -EAGAIN;
1211
1212 if ((r = cgroup_bonding_is_empty_list(UNIT(s)->meta.cgroup_bondings)) < 0)
1213 return r;
1214
1215 return !r;
1216}
1217
034c6ed7
LP		 1218static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1219 int r;
1220 assert(s);
1221
1222 if (!success)
1223 s->failure = true;
1224
1225 if (allow_restart &&
1226 (s->restart == SERVICE_RESTART_ALWAYS ||
1227 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
1228
acbb0225 1229 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1230 goto fail;
1231
1232 service_set_state(s, SERVICE_AUTO_RESTART);
1233 } else
1234 service_set_state(s, s->failure ? SERVICE_MAINTAINANCE : SERVICE_DEAD);
1235
1236 return;
1237
1238fail:
9e2f7c11 1239 log_warning("%s failed to run install restart timer: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1240 service_enter_dead(s, false, false);
1241}
1242
1243static void service_enter_signal(Service *s, ServiceState state, bool success);
1244
1245static void service_enter_stop_post(Service *s, bool success) {
1246 int r;
1247 assert(s);
1248
1249 if (!success)
1250 s->failure = true;
1251
5e94833f
LP		 1252 service_unwatch_control_pid(s);
1253
80876c20 1254 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
81a2b7ce
LP		 1255 if ((r = service_spawn(s,
1256 s->control_command,
1257 true,
1258 false,
1259 !s->permissions_start_only,
1260 !s->root_directory_start_only,
1261 &s->control_pid)) < 0)
034c6ed7
LP		 1262 goto fail;
1263
d6ea93e3 1264
80876c20
LP		 1265 service_set_state(s, SERVICE_STOP_POST);
1266 } else
1267 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1268
1269 return;
1270
1271fail:
9e2f7c11 1272 log_warning("%s failed to run stop-post executable: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1273 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1274}
1275
1276static void service_enter_signal(Service *s, ServiceState state, bool success) {
1277 int r;
1278 bool sent = false;
1279
1280 assert(s);
1281
1282 if (!success)
1283 s->failure = true;
1284
80876c20
LP		 1285 if (s->kill_mode != KILL_NONE) {
1286 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL;
034c6ed7 1287
50159e6a 1288 if (s->kill_mode == KILL_CONTROL_GROUP) {
034c6ed7 1289
50159e6a
LP		 1290 if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) {
1291 if (r != -EAGAIN && r != -ESRCH)
1292 goto fail;
1293 } else
034c6ed7
LP		 1294 sent = true;
1295 }
1296
50159e6a
LP		 1297 if (!sent) {
1298 r = 0;
80876c20 1299
50159e6a
LP		 1300 if (s->main_pid > 0) {
1301 if (kill(s->kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
1302 r = -errno;
1303 else
1304 sent = true;
1305 }
1306
1307 if (s->control_pid > 0) {
1308 if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
1309 r = -errno;
1310 else
1311 sent = true;
1312 }
1313
1314 if (r < 0)
1315 goto fail;
1316 }
d6ea93e3 1317 }
034c6ed7 1318
80876c20
LP		 1319 if (sent) {
1320 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1321 goto fail;
d6ea93e3 1322
80876c20
LP		 1323 service_set_state(s, state);
1324 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1325 service_enter_stop_post(s, true);
1326 else
034c6ed7
LP		 1327 service_enter_dead(s, true, true);
1328
1329 return;
1330
1331fail:
9e2f7c11 1332 log_warning("%s failed to kill processes: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7 1333
80876c20 1334 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1335 service_enter_stop_post(s, false);
1336 else
1337 service_enter_dead(s, false, true);
1338}
1339
1340static void service_enter_stop(Service *s, bool success) {
1341 int r;
1342 assert(s);
1343
1344 if (!success)
1345 s->failure = true;
1346
5e94833f
LP		 1347 service_unwatch_control_pid(s);
1348
80876c20 1349 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
81a2b7ce
LP		 1350 if ((r = service_spawn(s,
1351 s->control_command,
1352 true,
1353 false,
1354 !s->permissions_start_only,
1355 !s->root_directory_start_only,
1356 &s->control_pid)) < 0)
034c6ed7
LP		 1357 goto fail;
1358
80876c20
LP		 1359 service_set_state(s, SERVICE_STOP);
1360 } else
034c6ed7
LP		 1361 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1362
1363 return;
1364
1365fail:
9e2f7c11 1366 log_warning("%s failed to run stop executable: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1367 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1368}
1369
80876c20
LP		 1370static void service_enter_running(Service *s, bool success) {
1371 assert(s);
1372
1373 if (!success)
1374 s->failure = true;
1375
1376 if (main_pid_good(s) != 0 && cgroup_good(s) != 0)
1377 service_set_state(s, SERVICE_RUNNING);
1378 else if (s->valid_no_process)
1379 service_set_state(s, SERVICE_EXITED);
1380 else
1381 service_enter_stop(s, true);
1382}
1383
034c6ed7
LP		 1384static void service_enter_start_post(Service *s) {
1385 int r;
1386 assert(s);
1387
5e94833f
LP		 1388 service_unwatch_control_pid(s);
1389
80876c20 1390 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
81a2b7ce
LP		 1391 if ((r = service_spawn(s,
1392 s->control_command,
1393 true,
1394 false,
1395 !s->permissions_start_only,
1396 !s->root_directory_start_only,
1397 &s->control_pid)) < 0)
034c6ed7
LP		 1398 goto fail;
1399
d6ea93e3 1400
80876c20
LP		 1401 service_set_state(s, SERVICE_START_POST);
1402 } else
1403 service_enter_running(s, true);
034c6ed7
LP		 1404
1405 return;
1406
1407fail:
9e2f7c11 1408 log_warning("%s failed to run start-post executable: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1409 service_enter_stop(s, false);
1410}
1411
1412static void service_enter_start(Service *s) {
1413 pid_t pid;
1414 int r;
1415
1416 assert(s);
1417
1418 assert(s->exec_command[SERVICE_EXEC_START]);
1419 assert(!s->exec_command[SERVICE_EXEC_START]->command_next);
1420
80876c20
LP		 1421 if (s->type == SERVICE_FORKING)
1422 service_unwatch_control_pid(s);
1423 else
1424 service_unwatch_main_pid(s);
1425
81a2b7ce
LP		 1426 if ((r = service_spawn(s,
1427 s->exec_command[SERVICE_EXEC_START],
1428 s->type == SERVICE_FORKING,
1429 true,
1430 true,
1431 true,
1432 &pid)) < 0)
034c6ed7
LP		 1433 goto fail;
1434
1435 if (s->type == SERVICE_SIMPLE) {
1436 /* For simple services we immediately start
1437 * the START_POST binaries. */
1438
1439 s->main_pid = pid;
1440 s->main_pid_known = true;
80876c20 1441
034c6ed7
LP		 1442 service_enter_start_post(s);
1443
1444 } else if (s->type == SERVICE_FORKING) {
1445
1446 /* For forking services we wait until the start
1447 * process exited. */
1448
1449 s->control_pid = pid;
80876c20 1450
034c6ed7 1451 s->control_command = s->exec_command[SERVICE_EXEC_START];
80876c20
LP		 1452 service_set_state(s, SERVICE_START);
1453
7d55e835
LP		 1454 } else if (s->type == SERVICE_FINISH) {
1455
1456 /* For finishing services we wait until the start
1457 * process exited, too, but it is our main process. */
1458
1459 s->main_pid = pid;
5e94833f 1460 s->main_pid_known = true;
80876c20 1461
7d55e835 1462 s->control_command = s->exec_command[SERVICE_EXEC_START];
80876c20 1463 service_set_state(s, SERVICE_START);
034c6ed7
LP		 1464 } else
1465 assert_not_reached("Unknown service type");
1466
1467 return;
1468
1469fail:
9e2f7c11 1470 log_warning("%s failed to run start exectuable: %s", UNIT(s)->meta.id, strerror(-r));
80876c20 1471 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1472}
1473
1474static void service_enter_start_pre(Service *s) {
1475 int r;
1476
1477 assert(s);
1478
5e94833f
LP		 1479 service_unwatch_control_pid(s);
1480
80876c20 1481 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
81a2b7ce
LP		 1482 if ((r = service_spawn(s,
1483 s->control_command,
1484 true,
1485 false,
1486 !s->permissions_start_only,
1487 !s->root_directory_start_only,
1488 &s->control_pid)) < 0)
034c6ed7
LP		 1489 goto fail;
1490
80876c20
LP		 1491 service_set_state(s, SERVICE_START_PRE);
1492 } else
034c6ed7
LP		 1493 service_enter_start(s);
1494
1495 return;
1496
1497fail:
9e2f7c11 1498 log_warning("%s failed to run start-pre executable: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1499 service_enter_dead(s, false, true);
1500}
1501
1502static void service_enter_restart(Service *s) {
1503 int r;
1504 assert(s);
1505
9ea9a0c8
LP		 1506 service_enter_dead(s, true, false);
1507
87f0e418 1508 if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0)
034c6ed7
LP		 1509 goto fail;
1510
9e2f7c11 1511 log_debug("%s scheduled restart job.", UNIT(s)->meta.id);
034c6ed7
LP		 1512 return;
1513
1514fail:
1515
9e2f7c11 1516 log_warning("%s failed to schedule restart job: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1517 service_enter_dead(s, false, false);
1518}
1519
1520static void service_enter_reload(Service *s) {
1521 int r;
1522
1523 assert(s);
1524
5e94833f
LP		 1525 service_unwatch_control_pid(s);
1526
80876c20 1527 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
81a2b7ce
LP		 1528 if ((r = service_spawn(s,
1529 s->control_command,
1530 true,
1531 false,
1532 !s->permissions_start_only,
1533 !s->root_directory_start_only,
1534 &s->control_pid)) < 0)
034c6ed7
LP		 1535 goto fail;
1536
80876c20
LP		 1537 service_set_state(s, SERVICE_RELOAD);
1538 } else
1539 service_enter_running(s, true);
034c6ed7
LP		 1540
1541 return;
1542
1543fail:
9e2f7c11 1544 log_warning("%s failed to run reload executable: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1545 service_enter_stop(s, false);
1546}
1547
1548static void service_run_next(Service *s, bool success) {
1549 int r;
1550
1551 assert(s);
1552 assert(s->control_command);
1553 assert(s->control_command->command_next);
1554
1555 if (!success)
1556 s->failure = true;
1557
1558 s->control_command = s->control_command->command_next;
1559
5e94833f
LP		 1560 service_unwatch_control_pid(s);
1561
81a2b7ce
LP		 1562 if ((r = service_spawn(s,
1563 s->control_command,
1564 true,
1565 false,
1566 !s->permissions_start_only,
1567 !s->root_directory_start_only,
1568 &s->control_pid)) < 0)
034c6ed7
LP		 1569 goto fail;
1570
1571 return;
1572
1573fail:
9e2f7c11 1574 log_warning("%s failed to run spawn next executable: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7 1575
80876c20
LP		 1576 if (s->state == SERVICE_START_PRE)
1577 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1578 else if (s->state == SERVICE_STOP)
1579 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 1580 else if (s->state == SERVICE_STOP_POST)
1581 service_enter_dead(s, false, true);
1582 else
1583 service_enter_stop(s, false);
5cb5a6ff
LP		 1584}
1585
87f0e418
LP		 1586static int service_start(Unit *u) {
1587 Service *s = SERVICE(u);
5cb5a6ff
LP		 1588
1589 assert(s);
1590
034c6ed7
LP		 1591 /* We cannot fulfill this request right now, try again later
1592 * please! */
1593 if (s->state == SERVICE_STOP ||
1594 s->state == SERVICE_STOP_SIGTERM ||
1595 s->state == SERVICE_STOP_SIGKILL ||
1596 s->state == SERVICE_STOP_POST ||
1597 s->state == SERVICE_FINAL_SIGTERM ||
1598 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 1599 return -EAGAIN;
1600
034c6ed7
LP		 1601 /* Already on it! */
1602 if (s->state == SERVICE_START_PRE ||
1603 s->state == SERVICE_START ||
1604 s->state == SERVICE_START_POST)
1605 return 0;
1606
1607 assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTAINANCE || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 1608
1e2e8133
LP		 1609 /* Make sure we don't enter a busy loop of some kind. */
1610 if (!ratelimit_test(&s->ratelimit)) {
9e2f7c11 1611 log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
1e2e8133
LP		 1612 return -EAGAIN;
1613 }
1614
034c6ed7
LP		 1615 s->failure = false;
1616 s->main_pid_known = false;
1617
1618 service_enter_start_pre(s);
1619 return 0;
5cb5a6ff
LP		 1620}
1621
87f0e418
LP		 1622static int service_stop(Unit *u) {
1623 Service *s = SERVICE(u);
5cb5a6ff
LP		 1624
1625 assert(s);
1626
e537352b 1627 /* Cannot do this now */
034c6ed7
LP		 1628 if (s->state == SERVICE_START_PRE ||
1629 s->state == SERVICE_START ||
1630 s->state == SERVICE_START_POST ||
1631 s->state == SERVICE_RELOAD)
1632 return -EAGAIN;
1633
e537352b
LP		 1634 /* Already on it */
1635 if (s->state == SERVICE_STOP ||
1636 s->state == SERVICE_STOP_SIGTERM ||
1637 s->state == SERVICE_STOP_SIGKILL ||
1638 s->state == SERVICE_STOP_POST ||
1639 s->state == SERVICE_FINAL_SIGTERM ||
1640 s->state == SERVICE_FINAL_SIGKILL)
1641 return 0;
1642
034c6ed7
LP		 1643 if (s->state == SERVICE_AUTO_RESTART) {
1644 service_set_state(s, SERVICE_DEAD);
1645 return 0;
1646 }
1647
80876c20 1648 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
5cb5a6ff 1649
034c6ed7 1650 service_enter_stop(s, true);
5cb5a6ff
LP		 1651 return 0;
1652}
1653
87f0e418
LP		 1654static int service_reload(Unit *u) {
1655 Service *s = SERVICE(u);
034c6ed7
LP		 1656
1657 assert(s);
1658
80876c20 1659 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 1660
1661 service_enter_reload(s);
5cb5a6ff
LP		 1662 return 0;
1663}
1664
87f0e418
LP		 1665static bool service_can_reload(Unit *u) {
1666 Service *s = SERVICE(u);
034c6ed7
LP		 1667
1668 assert(s);
1669
1670 return !!s->exec_command[SERVICE_EXEC_RELOAD];
1671}
1672
87f0e418
LP		 1673static UnitActiveState service_active_state(Unit *u) {
1674 assert(u);
5cb5a6ff 1675
acbb0225 1676 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 1677}
1678
10a94420
LP		 1679static const char *service_sub_state_to_string(Unit *u) {
1680 assert(u);
1681
1682 return service_state_to_string(SERVICE(u)->state);
1683}
1684
87f0e418
LP		 1685static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
1686 Service *s = SERVICE(u);
034c6ed7 1687 bool success;
5cb5a6ff
LP		 1688
1689 assert(s);
034c6ed7
LP		 1690 assert(pid >= 0);
1691
bd982a8b 1692 success = code == CLD_EXITED && status == 0;
034c6ed7
LP		 1693 s->failure = s->failure || !success;
1694
1695 if (s->main_pid == pid) {
1696
1697 exec_status_fill(&s->main_exec_status, pid, code, status);
1698 s->main_pid = 0;
1699
7d55e835 1700 if (s->type == SERVICE_SIMPLE || s->type == SERVICE_FINISH) {
034c6ed7
LP		 1701 assert(s->exec_command[SERVICE_EXEC_START]);
1702 s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status;
1703 }
1704
9e2f7c11 1705 log_debug("%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
034c6ed7
LP		 1706
1707 /* The service exited, so the service is officially
1708 * gone. */
1709
1710 switch (s->state) {
1711
1712 case SERVICE_START_POST:
1713 case SERVICE_RELOAD:
1714 case SERVICE_STOP:
1715 /* Need to wait until the operation is
1716 * done */
1717 break;
1718
7d55e835
LP		 1719 case SERVICE_START:
1720 assert(s->type == SERVICE_FINISH);
1721
1722 /* This was our main goal, so let's go on */
1723 if (success)
1724 service_enter_start_post(s);
1725 else
80876c20 1726 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
7d55e835
LP		 1727 break;
1728
034c6ed7 1729 case SERVICE_RUNNING:
80876c20 1730 service_enter_running(s, success);
034c6ed7
LP		 1731 break;
1732
1733 case SERVICE_STOP_SIGTERM:
1734 case SERVICE_STOP_SIGKILL:
1735
1736 if (!control_pid_good(s))
1737 service_enter_stop_post(s, success);
5cb5a6ff 1738
034c6ed7
LP		 1739 /* If there is still a control process, wait for that first */
1740 break;
5cb5a6ff 1741
034c6ed7
LP		 1742 default:
1743 assert_not_reached("Uh, main process died at wrong time.");
1744 }
5cb5a6ff 1745
034c6ed7
LP		 1746 } else if (s->control_pid == pid) {
1747 assert(s->control_command);
1748
1749 exec_status_fill(&s->control_command->exec_status, pid, code, status);
1750 s->control_pid = 0;
1751
9e2f7c11 1752 log_debug("%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
034c6ed7
LP		 1753
1754 /* If we are shutting things down anyway we
1755 * don't care about failing commands. */
1756
80876c20 1757 if (s->control_command->command_next && success) {
034c6ed7
LP		 1758
1759 /* There is another command to *
1760 * execute, so let's do that. */
1761
9e2f7c11 1762 log_debug("%s running next command for state %s", u->meta.id, service_state_to_string(s->state));
034c6ed7
LP		 1763 service_run_next(s, success);
1764
80876c20 1765 } else {
034c6ed7
LP		 1766 /* No further commands for this step, so let's
1767 * figure out what to do next */
1768
9e2f7c11 1769 log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
bd982a8b 1770
034c6ed7
LP		 1771 switch (s->state) {
1772
1773 case SERVICE_START_PRE:
1774 if (success)
1775 service_enter_start(s);
1776 else
80876c20 1777 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1778 break;
1779
1780 case SERVICE_START:
1781 assert(s->type == SERVICE_FORKING);
1782
1783 /* Let's try to load the pid
1784 * file here if we can. We
1785 * ignore the return value,
1786 * since the PID file might
1787 * actually be created by a
1788 * START_POST script */
1789
1790 if (success) {
1791 if (s->pid_file)
1792 service_load_pid_file(s);
1793
1794 service_enter_start_post(s);
1795 } else
80876c20 1796 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1797
1798 break;
1799
1800 case SERVICE_START_POST:
1801 if (success && s->pid_file && !s->main_pid_known) {
1802 int r;
1803
1804 /* Hmm, let's see if we can
1805 * load the pid now after the
1806 * start-post scripts got
1807 * executed. */
1808
1809 if ((r = service_load_pid_file(s)) < 0)
9e2f7c11 1810 log_warning("%s: failed to load PID file %s: %s", UNIT(s)->meta.id, s->pid_file, strerror(-r));
034c6ed7
LP		 1811 }
1812
1813 /* Fall through */
1814
1815 case SERVICE_RELOAD:
80876c20
LP		 1816 if (success)
1817 service_enter_running(s, true);
1818 else
034c6ed7
LP		 1819 service_enter_stop(s, false);
1820
1821 break;
1822
1823 case SERVICE_STOP:
80876c20 1824 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 1825 break;
1826
1827 case SERVICE_STOP_SIGTERM:
1828 case SERVICE_STOP_SIGKILL:
1829 if (main_pid_good(s) <= 0)
1830 service_enter_stop_post(s, success);
1831
1832 /* If there is still a service
1833 * process around, wait until
1834 * that one quit, too */
1835 break;
1836
1837 case SERVICE_STOP_POST:
1838 case SERVICE_FINAL_SIGTERM:
1839 case SERVICE_FINAL_SIGKILL:
1840 service_enter_dead(s, success, true);
1841 break;
1842
1843 default:
1844 assert_not_reached("Uh, control process died at wrong time.");
1845 }
1846 }
1847 } else
1848 assert_not_reached("Got SIGCHLD for unkown PID");
1849}
1850
acbb0225 1851static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 1852 Service *s = SERVICE(u);
034c6ed7
LP		 1853
1854 assert(s);
1855 assert(elapsed == 1);
1856
acbb0225 1857 assert(w == &s->timer_watch);
034c6ed7
LP		 1858
1859 switch (s->state) {
1860
1861 case SERVICE_START_PRE:
1862 case SERVICE_START:
9e2f7c11 1863 log_warning("%s operation timed out. Terminating.", u->meta.id);
80876c20
LP		 1864 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1865 break;
1866
034c6ed7
LP		 1867 case SERVICE_START_POST:
1868 case SERVICE_RELOAD:
9e2f7c11 1869 log_warning("%s operation timed out. Stopping.", u->meta.id);
034c6ed7
LP		 1870 service_enter_stop(s, false);
1871 break;
1872
1873 case SERVICE_STOP:
9e2f7c11 1874 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 1875 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1876 break;
1877
1878 case SERVICE_STOP_SIGTERM:
9e2f7c11 1879 log_warning("%s stopping timed out. Killing.", u->meta.id);
034c6ed7
LP		 1880 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
1881 break;
1882
1883 case SERVICE_STOP_SIGKILL:
1884 /* Uh, wie sent a SIGKILL and it is still not gone?
1885 * Must be something we cannot kill, so let's just be
1886 * weirded out and continue */
1887
9e2f7c11 1888 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 1889 service_enter_stop_post(s, false);
1890 break;
1891
1892 case SERVICE_STOP_POST:
9e2f7c11 1893 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
034c6ed7
LP		 1894 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1895 break;
1896
1897 case SERVICE_FINAL_SIGTERM:
9e2f7c11 1898 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
034c6ed7
LP		 1899 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
1900 break;
1901
1902 case SERVICE_FINAL_SIGKILL:
9e2f7c11 1903 log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", u->meta.id);
034c6ed7
LP		 1904 service_enter_dead(s, false, true);
1905 break;
1906
1907 case SERVICE_AUTO_RESTART:
9e2f7c11 1908 log_debug("%s holdoff time over, scheduling restart.", u->meta.id);
034c6ed7
LP		 1909 service_enter_restart(s);
1910 break;
1911
1912 default:
1913 assert_not_reached("Timeout at wrong time.");
1914 }
5cb5a6ff
LP		 1915}
1916
8e274523
LP		 1917static void service_cgroup_notify_event(Unit *u) {
1918 Service *s = SERVICE(u);
1919
1920 assert(u);
1921
9e2f7c11 1922 log_debug("%s: cgroup is empty", u->meta.id);
8e274523
LP		 1923
1924 switch (s->state) {
1925
1926 /* Waiting for SIGCHLD is usually more interesting,
1927 * because it includes return codes/signals. Which is
1928 * why we ignore the cgroup events for most cases,
1929 * except when we don't know pid which to expect the
1930 * SIGCHLD for. */
1931
1932 case SERVICE_RUNNING:
80876c20 1933 service_enter_running(s, true);
8e274523
LP		 1934 break;
1935
1936 default:
1937 ;
1938 }
1939}
1940
2c4104f0 1941static int service_enumerate(Manager *m) {
2c4104f0
LP		 1942 char **p;
1943 unsigned i;
1944 DIR *d = NULL;
1945 char *path = NULL, *fpath = NULL, *name = NULL;
1946 int r;
1947
1948 assert(m);
1949
5e177ece 1950 STRV_FOREACH(p, m->sysvrcnd_path)
23a177ef 1951 for (i = 0; i < ELEMENTSOF(rcnd_table); i += 2) {
2c4104f0
LP		 1952 struct dirent *de;
1953
1954 free(path);
1955 path = NULL;
23a177ef 1956 if (asprintf(&path, "%s/%s", *p, rcnd_table[i]) < 0) {
2c4104f0
LP		 1957 r = -ENOMEM;
1958 goto finish;
1959 }
1960
1961 if (d)
1962 closedir(d);
1963
1964 if (!(d = opendir(path))) {
1965 if (errno != ENOENT)
1966 log_warning("opendir() failed on %s: %s", path, strerror(errno));
1967
1968 continue;
1969 }
1970
1971 while ((de = readdir(d))) {
1972 Unit *runlevel, *service;
1973
1974 if (ignore_file(de->d_name))
1975 continue;
1976
1977 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
1978 continue;
1979
1980 if (strlen(de->d_name) < 4)
1981 continue;
1982
1983 free(fpath);
1984 fpath = NULL;
23a177ef 1985 if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i], de->d_name) < 0) {
2c4104f0
LP		 1986 r = -ENOMEM;
1987 goto finish;
1988 }
1989
1990 if (access(fpath, X_OK) < 0) {
1991
1992 if (errno != ENOENT)
1993 log_warning("access() failed on %s: %s", fpath, strerror(errno));
1994
1995 continue;
1996 }
1997
1998 free(name);
1999 name = NULL;
2000 if (asprintf(&name, "%s.service", de->d_name+3) < 0) {
2001 r = -ENOMEM;
2002 goto finish;
2003 }
2004
9e2f7c11 2005 if ((r = manager_load_unit(m, name, NULL, &service)) < 0)
2c4104f0
LP		 2006 goto finish;
2007
9e2f7c11 2008 if ((r = manager_load_unit(m, rcnd_table[i+1], NULL, &runlevel)) < 0)
2c4104f0
LP		 2009 goto finish;
2010
2011 if (de->d_name[0] == 'S') {
2012 if ((r = unit_add_dependency(runlevel, UNIT_WANTS, service)) < 0)
2013 goto finish;
2014
2015 if ((r = unit_add_dependency(runlevel, UNIT_AFTER, service)) < 0)
2016 goto finish;
23a177ef
LP		 2017
2018 } else if (de->d_name[0] == 'K' &&
2019 (streq(rcnd_table[i+1], SPECIAL_RUNLEVEL0_TARGET) ||
2020 streq(rcnd_table[i+1], SPECIAL_RUNLEVEL6_TARGET))) {
2021
2022 /* We honour K links only for
2023 * halt/reboot. For the normal
2024 * runlevels we assume the
2025 * stop jobs will be
2026 * implicitly added by the
2027 * core logic. */
2028
2c4104f0
LP		 2029 if ((r = unit_add_dependency(runlevel, UNIT_CONFLICTS, service)) < 0)
2030 goto finish;
2031
2032 if ((r = unit_add_dependency(runlevel, UNIT_BEFORE, service)) < 0)
2033 goto finish;
2034 }
2035 }
2036 }
2037
2038 r = 0;
2039
2040finish:
2041 free(path);
2042 free(fpath);
2043 free(name);
2044 closedir(d);
2045
2046 return r;
2047}
2048
4f2d528d
LP		 2049int service_set_socket_fd(Service *s, int fd) {
2050 assert(s);
2051 assert(fd >= 0);
2052
2053 /* This is called by the socket code when instantiating a new
2054 * service for a stream socket and the socket needs to be
2055 * configured. */
2056
2057 if (UNIT(s)->meta.load_state != UNIT_LOADED)
2058 return -EINVAL;
2059
2060 if (s->socket_fd >= 0)
2061 return -EBUSY;
2062
2063 if (s->state != SERVICE_DEAD)
2064 return -EAGAIN;
2065
2066 s->socket_fd = fd;
2067 return 0;
2068}
2069
94f04347
LP		 2070static const char* const service_state_table[_SERVICE_STATE_MAX] = {
2071 [SERVICE_DEAD] = "dead",
2072 [SERVICE_START_PRE] = "start-pre",
2073 [SERVICE_START] = "start",
2074 [SERVICE_START_POST] = "start-post",
2075 [SERVICE_RUNNING] = "running",
80876c20 2076 [SERVICE_EXITED] = "exited",
94f04347
LP		 2077 [SERVICE_RELOAD] = "reload",
2078 [SERVICE_STOP] = "stop",
2079 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
2080 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
2081 [SERVICE_STOP_POST] = "stop-post",
2082 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
2083 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
2084 [SERVICE_MAINTAINANCE] = "maintainance",
2085 [SERVICE_AUTO_RESTART] = "auto-restart",
2086};
2087
2088DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
2089
2090static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
2091 [SERVICE_ONCE] = "once",
2092 [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success",
40531a55 2093 [SERVICE_RESTART_ALWAYS] = "restart-always",
94f04347
LP		 2094};
2095
2096DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
2097
2098static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
2099 [SERVICE_FORKING] = "forking",
2100 [SERVICE_SIMPLE] = "simple",
2101 [SERVICE_FINISH] = "finish"
2102};
2103
2104DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
2105
e537352b 2106static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 2107 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
2108 [SERVICE_EXEC_START] = "ExecStart",
2109 [SERVICE_EXEC_START_POST] = "ExecStartPost",
2110 [SERVICE_EXEC_RELOAD] = "ExecReload",
2111 [SERVICE_EXEC_STOP] = "ExecStop",
2112 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
2113};
2114
2115DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
2116
87f0e418 2117const UnitVTable service_vtable = {
5cb5a6ff
LP		 2118 .suffix = ".service",
2119
034c6ed7 2120 .init = service_init,
e537352b 2121 .load = service_load,
034c6ed7
LP		 2122 .done = service_done,
2123
5cb5a6ff
LP		 2124 .dump = service_dump,
2125
2126 .start = service_start,
2127 .stop = service_stop,
2128 .reload = service_reload,
2129
034c6ed7
LP		 2130 .can_reload = service_can_reload,
2131
5cb5a6ff 2132 .active_state = service_active_state,
10a94420 2133 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 2134
034c6ed7
LP		 2135 .sigchld_event = service_sigchld_event,
2136 .timer_event = service_timer_event,
2c4104f0 2137
8e274523
LP		 2138 .cgroup_notify_empty = service_cgroup_notify_event,
2139
2c4104f0 2140 .enumerate = service_enumerate
5cb5a6ff 2141};
Michael's branch of systemd.