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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 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 | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
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 | 24 | #include <unistd.h> |
5cb5a6ff | 25 | |
574634bc | 26 | #include "async.h" |
4f5dd394 LP |
27 | #include "bus-error.h" |
28 | #include "bus-kernel.h" | |
29 | #include "bus-util.h" | |
4139c1b2 | 30 | #include "dbus-service.h" |
f6a6225e | 31 | #include "def.h" |
4d1a6904 | 32 | #include "env-util.h" |
4f5dd394 LP |
33 | #include "escape.h" |
34 | #include "exit-status.h" | |
a5c32cff | 35 | #include "fileio.h" |
6482f626 | 36 | #include "formats-util.h" |
4f5dd394 LP |
37 | #include "load-dropin.h" |
38 | #include "load-fragment.h" | |
39 | #include "log.h" | |
40 | #include "manager.h" | |
41 | #include "path-util.h" | |
0b452006 | 42 | #include "process-util.h" |
24882e06 | 43 | #include "signal-util.h" |
4f5dd394 LP |
44 | #include "special.h" |
45 | #include "strv.h" | |
46 | #include "unit-name.h" | |
47 | #include "unit-printf.h" | |
48 | #include "unit.h" | |
49 | #include "utf8.h" | |
50 | #include "util.h" | |
51 | #include "service.h" | |
034c6ed7 | 52 | |
acbb0225 | 53 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
54 | [SERVICE_DEAD] = UNIT_INACTIVE, |
55 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
56 | [SERVICE_START] = UNIT_ACTIVATING, | |
57 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
58 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 59 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 60 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 | 61 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
db2cb23b | 62 | [SERVICE_STOP_SIGABRT] = UNIT_DEACTIVATING, |
87f0e418 LP |
63 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, |
64 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
65 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
66 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
67 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 68 | [SERVICE_FAILED] = UNIT_FAILED, |
6124958c | 69 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 70 | }; |
5cb5a6ff | 71 | |
e056b01d LP |
72 | /* For Type=idle we never want to delay any other jobs, hence we |
73 | * consider idle jobs active as soon as we start working on them */ | |
74 | static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] = { | |
75 | [SERVICE_DEAD] = UNIT_INACTIVE, | |
76 | [SERVICE_START_PRE] = UNIT_ACTIVE, | |
77 | [SERVICE_START] = UNIT_ACTIVE, | |
78 | [SERVICE_START_POST] = UNIT_ACTIVE, | |
79 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80 | [SERVICE_EXITED] = UNIT_ACTIVE, | |
81 | [SERVICE_RELOAD] = UNIT_RELOADING, | |
82 | [SERVICE_STOP] = UNIT_DEACTIVATING, | |
db2cb23b | 83 | [SERVICE_STOP_SIGABRT] = UNIT_DEACTIVATING, |
e056b01d LP |
84 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, |
85 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
86 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
87 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
88 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
89 | [SERVICE_FAILED] = UNIT_FAILED, | |
90 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING | |
91 | }; | |
92 | ||
718db961 LP |
93 | static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events, void *userdata); |
94 | static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata); | |
95 | static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata); | |
96 | ||
842129f5 | 97 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); |
308d72dc | 98 | static void service_enter_reload_by_notify(Service *s); |
842129f5 | 99 | |
a16e1123 LP |
100 | static void service_init(Unit *u) { |
101 | Service *s = SERVICE(u); | |
102 | ||
103 | assert(u); | |
ac155bb8 | 104 | assert(u->load_state == UNIT_STUB); |
a16e1123 | 105 | |
1f19a534 OS |
106 | s->timeout_start_usec = u->manager->default_timeout_start_usec; |
107 | s->timeout_stop_usec = u->manager->default_timeout_stop_usec; | |
108 | s->restart_usec = u->manager->default_restart_usec; | |
0b86feac | 109 | s->type = _SERVICE_TYPE_INVALID; |
a16e1123 | 110 | s->socket_fd = -1; |
e44da745 | 111 | s->bus_endpoint_fd = -1; |
a34ceba6 | 112 | s->stdin_fd = s->stdout_fd = s->stderr_fd = -1; |
3185a36b | 113 | s->guess_main_pid = true; |
a16e1123 | 114 | |
085afe36 | 115 | RATELIMIT_INIT(s->start_limit, u->manager->default_start_limit_interval, u->manager->default_start_limit_burst); |
a16e1123 LP |
116 | |
117 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
118 | } | |
119 | ||
5e94833f LP |
120 | static void service_unwatch_control_pid(Service *s) { |
121 | assert(s); | |
122 | ||
123 | if (s->control_pid <= 0) | |
124 | return; | |
125 | ||
126 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
127 | s->control_pid = 0; | |
128 | } | |
129 | ||
130 | static void service_unwatch_main_pid(Service *s) { | |
131 | assert(s); | |
132 | ||
133 | if (s->main_pid <= 0) | |
134 | return; | |
135 | ||
136 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
137 | s->main_pid = 0; | |
138 | } | |
139 | ||
3e52541e MS |
140 | static void service_unwatch_pid_file(Service *s) { |
141 | if (!s->pid_file_pathspec) | |
142 | return; | |
143 | ||
f2341e0a | 144 | log_unit_debug(UNIT(s), "Stopping watch for PID file %s", s->pid_file_pathspec->path); |
718db961 | 145 | path_spec_unwatch(s->pid_file_pathspec); |
3e52541e | 146 | path_spec_done(s->pid_file_pathspec); |
a1e58e8e | 147 | s->pid_file_pathspec = mfree(s->pid_file_pathspec); |
3e52541e MS |
148 | } |
149 | ||
5925dd3c | 150 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
151 | pid_t ppid; |
152 | ||
5925dd3c LP |
153 | assert(s); |
154 | ||
155 | if (pid <= 1) | |
156 | return -EINVAL; | |
157 | ||
158 | if (pid == getpid()) | |
159 | return -EINVAL; | |
160 | ||
7400b9d2 LP |
161 | if (s->main_pid == pid && s->main_pid_known) |
162 | return 0; | |
163 | ||
164 | if (s->main_pid != pid) { | |
165 | service_unwatch_main_pid(s); | |
166 | exec_status_start(&s->main_exec_status, pid); | |
167 | } | |
41efeaec | 168 | |
6dfa5494 LP |
169 | s->main_pid = pid; |
170 | s->main_pid_known = true; | |
171 | ||
172 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) { | |
f2341e0a | 173 | log_unit_warning(UNIT(s), "Supervising process "PID_FMT" which is not our child. We'll most likely not notice when it exits.", pid); |
6dfa5494 LP |
174 | s->main_pid_alien = true; |
175 | } else | |
176 | s->main_pid_alien = false; | |
5925dd3c LP |
177 | |
178 | return 0; | |
179 | } | |
180 | ||
4f2d528d LP |
181 | static void service_close_socket_fd(Service *s) { |
182 | assert(s); | |
183 | ||
574634bc | 184 | s->socket_fd = asynchronous_close(s->socket_fd); |
4f2d528d LP |
185 | } |
186 | ||
6cf6bbc2 LP |
187 | static void service_connection_unref(Service *s) { |
188 | assert(s); | |
189 | ||
9444b1f2 | 190 | if (!UNIT_ISSET(s->accept_socket)) |
6cf6bbc2 LP |
191 | return; |
192 | ||
57020a3a LP |
193 | socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket))); |
194 | unit_ref_unset(&s->accept_socket); | |
6cf6bbc2 LP |
195 | } |
196 | ||
a6927d7f MO |
197 | static void service_stop_watchdog(Service *s) { |
198 | assert(s); | |
199 | ||
718db961 | 200 | s->watchdog_event_source = sd_event_source_unref(s->watchdog_event_source); |
842129f5 | 201 | s->watchdog_timestamp = DUAL_TIMESTAMP_NULL; |
a6927d7f MO |
202 | } |
203 | ||
842129f5 | 204 | static void service_start_watchdog(Service *s) { |
bb242b7b MO |
205 | int r; |
206 | ||
207 | assert(s); | |
208 | ||
842129f5 | 209 | if (s->watchdog_usec <= 0) |
bb242b7b MO |
210 | return; |
211 | ||
718db961 LP |
212 | if (s->watchdog_event_source) { |
213 | r = sd_event_source_set_time(s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec); | |
214 | if (r < 0) { | |
f2341e0a | 215 | log_unit_warning_errno(UNIT(s), r, "Failed to reset watchdog timer: %m"); |
718db961 LP |
216 | return; |
217 | } | |
218 | ||
842129f5 | 219 | r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ONESHOT); |
c4ef3317 | 220 | } else { |
6a0f1f6d LP |
221 | r = sd_event_add_time( |
222 | UNIT(s)->manager->event, | |
223 | &s->watchdog_event_source, | |
224 | CLOCK_MONOTONIC, | |
225 | s->watchdog_timestamp.monotonic + s->watchdog_usec, 0, | |
226 | service_dispatch_watchdog, s); | |
c4ef3317 | 227 | if (r < 0) { |
f2341e0a | 228 | log_unit_warning_errno(UNIT(s), r, "Failed to add watchdog timer: %m"); |
c4ef3317 LP |
229 | return; |
230 | } | |
231 | ||
7dfbe2e3 TG |
232 | (void) sd_event_source_set_description(s->watchdog_event_source, "service-watchdog"); |
233 | ||
c4ef3317 LP |
234 | /* Let's process everything else which might be a sign |
235 | * of living before we consider a service died. */ | |
236 | r = sd_event_source_set_priority(s->watchdog_event_source, SD_EVENT_PRIORITY_IDLE); | |
237 | } | |
718db961 | 238 | |
bb242b7b | 239 | if (r < 0) |
f2341e0a | 240 | log_unit_warning_errno(UNIT(s), r, "Failed to install watchdog timer: %m"); |
bb242b7b MO |
241 | } |
242 | ||
a6927d7f MO |
243 | static void service_reset_watchdog(Service *s) { |
244 | assert(s); | |
245 | ||
246 | dual_timestamp_get(&s->watchdog_timestamp); | |
842129f5 | 247 | service_start_watchdog(s); |
a6927d7f MO |
248 | } |
249 | ||
a354329f LP |
250 | static void service_fd_store_unlink(ServiceFDStore *fs) { |
251 | ||
252 | if (!fs) | |
253 | return; | |
254 | ||
255 | if (fs->service) { | |
256 | assert(fs->service->n_fd_store > 0); | |
257 | LIST_REMOVE(fd_store, fs->service->fd_store, fs); | |
258 | fs->service->n_fd_store--; | |
259 | } | |
260 | ||
261 | if (fs->event_source) { | |
262 | sd_event_source_set_enabled(fs->event_source, SD_EVENT_OFF); | |
263 | sd_event_source_unref(fs->event_source); | |
264 | } | |
265 | ||
8dd4c05b | 266 | free(fs->fdname); |
a354329f LP |
267 | safe_close(fs->fd); |
268 | free(fs); | |
269 | } | |
270 | ||
271 | static void service_release_resources(Unit *u) { | |
272 | Service *s = SERVICE(u); | |
273 | ||
274 | assert(s); | |
275 | ||
a34ceba6 | 276 | if (!s->fd_store && s->stdin_fd < 0 && s->stdout_fd < 0 && s->stderr_fd < 0) |
a354329f LP |
277 | return; |
278 | ||
f2341e0a | 279 | log_unit_debug(u, "Releasing all resources."); |
a354329f | 280 | |
a34ceba6 LP |
281 | s->stdin_fd = safe_close(s->stdin_fd); |
282 | s->stdout_fd = safe_close(s->stdout_fd); | |
283 | s->stderr_fd = safe_close(s->stderr_fd); | |
284 | ||
a354329f LP |
285 | while (s->fd_store) |
286 | service_fd_store_unlink(s->fd_store); | |
287 | ||
288 | assert(s->n_fd_store == 0); | |
289 | } | |
290 | ||
87f0e418 LP |
291 | static void service_done(Unit *u) { |
292 | Service *s = SERVICE(u); | |
44d8db9e LP |
293 | |
294 | assert(s); | |
295 | ||
a1e58e8e LP |
296 | s->pid_file = mfree(s->pid_file); |
297 | s->status_text = mfree(s->status_text); | |
298 | s->reboot_arg = mfree(s->reboot_arg); | |
efe6e7d3 | 299 | |
613b411c | 300 | s->exec_runtime = exec_runtime_unref(s->exec_runtime); |
e537352b | 301 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e | 302 | s->control_command = NULL; |
867b3b7d | 303 | s->main_command = NULL; |
44d8db9e | 304 | |
37520c1b LP |
305 | exit_status_set_free(&s->restart_prevent_status); |
306 | exit_status_set_free(&s->restart_force_status); | |
307 | exit_status_set_free(&s->success_status); | |
96342de6 | 308 | |
44d8db9e LP |
309 | /* This will leak a process, but at least no memory or any of |
310 | * our resources */ | |
5e94833f LP |
311 | service_unwatch_main_pid(s); |
312 | service_unwatch_control_pid(s); | |
3e52541e | 313 | service_unwatch_pid_file(s); |
44d8db9e | 314 | |
05e343b7 | 315 | if (s->bus_name) { |
ac155bb8 | 316 | unit_unwatch_bus_name(u, s->bus_name); |
a1e58e8e | 317 | s->bus_name = mfree(s->bus_name); |
05e343b7 LP |
318 | } |
319 | ||
e44da745 | 320 | s->bus_endpoint_fd = safe_close(s->bus_endpoint_fd); |
4f2d528d | 321 | service_close_socket_fd(s); |
6cf6bbc2 | 322 | service_connection_unref(s); |
4f2d528d | 323 | |
57020a3a | 324 | unit_ref_unset(&s->accept_socket); |
f976f3f6 | 325 | |
bb242b7b MO |
326 | service_stop_watchdog(s); |
327 | ||
718db961 | 328 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
a354329f LP |
329 | |
330 | service_release_resources(u); | |
718db961 LP |
331 | } |
332 | ||
2339fc93 LP |
333 | static int on_fd_store_io(sd_event_source *e, int fd, uint32_t revents, void *userdata) { |
334 | ServiceFDStore *fs = userdata; | |
335 | ||
336 | assert(e); | |
337 | assert(fs); | |
338 | ||
339 | /* If we get either EPOLLHUP or EPOLLERR, it's time to remove this entry from the fd store */ | |
340 | service_fd_store_unlink(fs); | |
341 | return 0; | |
342 | } | |
343 | ||
8dd4c05b | 344 | static int service_add_fd_store(Service *s, int fd, const char *name) { |
2339fc93 LP |
345 | ServiceFDStore *fs; |
346 | int r; | |
347 | ||
348 | assert(s); | |
349 | assert(fd >= 0); | |
350 | ||
351 | if (s->n_fd_store >= s->n_fd_store_max) | |
352 | return 0; | |
353 | ||
354 | LIST_FOREACH(fd_store, fs, s->fd_store) { | |
355 | r = same_fd(fs->fd, fd); | |
356 | if (r < 0) | |
357 | return r; | |
358 | if (r > 0) { | |
359 | /* Already included */ | |
360 | safe_close(fd); | |
361 | return 1; | |
362 | } | |
363 | } | |
364 | ||
365 | fs = new0(ServiceFDStore, 1); | |
366 | if (!fs) | |
367 | return -ENOMEM; | |
368 | ||
369 | fs->fd = fd; | |
370 | fs->service = s; | |
8dd4c05b | 371 | fs->fdname = strdup(name ?: "stored"); |
17dec0f7 | 372 | if (!fs->fdname) { |
373 | free(fs); | |
8dd4c05b | 374 | return -ENOMEM; |
17dec0f7 | 375 | } |
2339fc93 LP |
376 | |
377 | r = sd_event_add_io(UNIT(s)->manager->event, &fs->event_source, fd, 0, on_fd_store_io, fs); | |
378 | if (r < 0) { | |
8dd4c05b | 379 | free(fs->fdname); |
2339fc93 LP |
380 | free(fs); |
381 | return r; | |
382 | } | |
383 | ||
7dfbe2e3 TG |
384 | (void) sd_event_source_set_description(fs->event_source, "service-fd-store"); |
385 | ||
2339fc93 LP |
386 | LIST_PREPEND(fd_store, s->fd_store, fs); |
387 | s->n_fd_store++; | |
388 | ||
389 | return 1; | |
390 | } | |
391 | ||
8dd4c05b | 392 | static int service_add_fd_store_set(Service *s, FDSet *fds, const char *name) { |
2339fc93 LP |
393 | int r; |
394 | ||
395 | assert(s); | |
396 | ||
397 | if (fdset_size(fds) <= 0) | |
398 | return 0; | |
399 | ||
400 | while (s->n_fd_store < s->n_fd_store_max) { | |
401 | _cleanup_close_ int fd = -1; | |
402 | ||
403 | fd = fdset_steal_first(fds); | |
404 | if (fd < 0) | |
405 | break; | |
406 | ||
8dd4c05b | 407 | r = service_add_fd_store(s, fd, name); |
2339fc93 | 408 | if (r < 0) |
f2341e0a | 409 | return log_unit_error_errno(UNIT(s), r, "Couldn't add fd to fd store: %m"); |
2339fc93 | 410 | if (r > 0) { |
f2341e0a | 411 | log_unit_debug(UNIT(s), "Added fd to fd store."); |
2339fc93 LP |
412 | fd = -1; |
413 | } | |
414 | } | |
415 | ||
416 | if (fdset_size(fds) > 0) | |
f2341e0a | 417 | log_unit_warning(UNIT(s), "Tried to store more fds than FDStoreMax=%u allows, closing remaining.", s->n_fd_store_max); |
2339fc93 LP |
418 | |
419 | return 0; | |
420 | } | |
421 | ||
718db961 LP |
422 | static int service_arm_timer(Service *s, usec_t usec) { |
423 | int r; | |
424 | ||
425 | assert(s); | |
426 | ||
718db961 LP |
427 | if (s->timer_event_source) { |
428 | r = sd_event_source_set_time(s->timer_event_source, now(CLOCK_MONOTONIC) + usec); | |
429 | if (r < 0) | |
430 | return r; | |
431 | ||
432 | return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT); | |
433 | } | |
434 | ||
7dfbe2e3 | 435 | r = sd_event_add_time( |
6a0f1f6d LP |
436 | UNIT(s)->manager->event, |
437 | &s->timer_event_source, | |
438 | CLOCK_MONOTONIC, | |
439 | now(CLOCK_MONOTONIC) + usec, 0, | |
440 | service_dispatch_timer, s); | |
7dfbe2e3 TG |
441 | if (r < 0) |
442 | return r; | |
443 | ||
444 | (void) sd_event_source_set_description(s->timer_event_source, "service-timer"); | |
445 | ||
446 | return 0; | |
44d8db9e LP |
447 | } |
448 | ||
243b1432 LP |
449 | static int service_verify(Service *s) { |
450 | assert(s); | |
451 | ||
1124fe6f | 452 | if (UNIT(s)->load_state != UNIT_LOADED) |
243b1432 LP |
453 | return 0; |
454 | ||
96fb8242 | 455 | if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]) { |
f2341e0a | 456 | log_unit_error(UNIT(s), "Service lacks both ExecStart= and ExecStop= setting. Refusing."); |
243b1432 LP |
457 | return -EINVAL; |
458 | } | |
459 | ||
96fb8242 | 460 | if (s->type != SERVICE_ONESHOT && !s->exec_command[SERVICE_EXEC_START]) { |
f2341e0a | 461 | log_unit_error(UNIT(s), "Service has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing."); |
96fb8242 LP |
462 | return -EINVAL; |
463 | } | |
464 | ||
465 | if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START]) { | |
f2341e0a | 466 | log_unit_error(UNIT(s), "Service has no ExecStart= setting, which is only allowed for RemainAfterExit=yes services. Refusing."); |
96fb8242 LP |
467 | return -EINVAL; |
468 | } | |
469 | ||
470 | if (s->type != SERVICE_ONESHOT && s->exec_command[SERVICE_EXEC_START]->command_next) { | |
f2341e0a | 471 | log_unit_error(UNIT(s), "Service has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing."); |
6cf6bbc2 LP |
472 | return -EINVAL; |
473 | } | |
474 | ||
b0693d30 | 475 | if (s->type == SERVICE_ONESHOT && s->restart != SERVICE_RESTART_NO) { |
f2341e0a | 476 | log_unit_error(UNIT(s), "Service has Restart= setting other than no, which isn't allowed for Type=oneshot services. Refusing."); |
37520c1b LP |
477 | return -EINVAL; |
478 | } | |
479 | ||
55ebf98c | 480 | if (s->type == SERVICE_ONESHOT && !exit_status_set_is_empty(&s->restart_force_status)) { |
f2341e0a | 481 | log_unit_error(UNIT(s), "Service has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing."); |
b0693d30 MW |
482 | return -EINVAL; |
483 | } | |
484 | ||
05e343b7 | 485 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
f2341e0a | 486 | log_unit_error(UNIT(s), "Service is of type D-Bus but no D-Bus service name has been specified. Refusing."); |
4d0e5dbd LP |
487 | return -EINVAL; |
488 | } | |
489 | ||
7e2668c6 | 490 | if (s->bus_name && s->type != SERVICE_DBUS) |
f2341e0a | 491 | log_unit_warning(UNIT(s), "Service has a D-Bus service name specified, but is not of type dbus. Ignoring."); |
7e2668c6 | 492 | |
ebc2259d | 493 | if (s->exec_context.pam_name && !(s->kill_context.kill_mode == KILL_CONTROL_GROUP || s->kill_context.kill_mode == KILL_MIXED)) { |
f2341e0a | 494 | log_unit_error(UNIT(s), "Service has PAM enabled. Kill mode must be set to 'control-group' or 'mixed'. Refusing."); |
05e343b7 LP |
495 | return -EINVAL; |
496 | } | |
497 | ||
6b7e5923 PS |
498 | if (s->usb_function_descriptors && !s->usb_function_strings) |
499 | log_unit_warning(UNIT(s), "Service has USBFunctionDescriptors= setting, but no USBFunctionStrings=. Ignoring."); | |
500 | ||
501 | if (!s->usb_function_descriptors && s->usb_function_strings) | |
502 | log_unit_warning(UNIT(s), "Service has USBFunctionStrings= setting, but no USBFunctionDescriptors=. Ignoring."); | |
503 | ||
243b1432 LP |
504 | return 0; |
505 | } | |
506 | ||
a40eb732 LP |
507 | static int service_add_default_dependencies(Service *s) { |
508 | int r; | |
509 | ||
510 | assert(s); | |
511 | ||
512 | /* Add a number of automatic dependencies useful for the | |
513 | * majority of services. */ | |
514 | ||
515 | /* First, pull in base system */ | |
8bb2d17d | 516 | r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true); |
fccd44ec KS |
517 | if (r < 0) |
518 | return r; | |
a40eb732 LP |
519 | |
520 | /* Second, activate normal shutdown */ | |
8545f7ce | 521 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
522 | } |
523 | ||
4dfc092a LP |
524 | static void service_fix_output(Service *s) { |
525 | assert(s); | |
526 | ||
527 | /* If nothing has been explicitly configured, patch default | |
528 | * output in. If input is socket/tty we avoid this however, | |
529 | * since in that case we want output to default to the same | |
530 | * place as we read input from. */ | |
531 | ||
532 | if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT && | |
533 | s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
534 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 535 | s->exec_context.std_error = UNIT(s)->manager->default_std_error; |
4dfc092a LP |
536 | |
537 | if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
538 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 539 | s->exec_context.std_output = UNIT(s)->manager->default_std_output; |
4dfc092a LP |
540 | } |
541 | ||
8545f7ce LP |
542 | static int service_add_extras(Service *s) { |
543 | int r; | |
544 | ||
545 | assert(s); | |
546 | ||
547 | if (s->type == _SERVICE_TYPE_INVALID) { | |
548 | /* Figure out a type automatically */ | |
549 | if (s->bus_name) | |
550 | s->type = SERVICE_DBUS; | |
551 | else if (s->exec_command[SERVICE_EXEC_START]) | |
552 | s->type = SERVICE_SIMPLE; | |
553 | else | |
554 | s->type = SERVICE_ONESHOT; | |
555 | } | |
556 | ||
557 | /* Oneshot services have disabled start timeout by default */ | |
558 | if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined) | |
559 | s->timeout_start_usec = 0; | |
560 | ||
561 | service_fix_output(s); | |
562 | ||
563 | r = unit_patch_contexts(UNIT(s)); | |
564 | if (r < 0) | |
565 | return r; | |
566 | ||
567 | r = unit_add_exec_dependencies(UNIT(s), &s->exec_context); | |
568 | if (r < 0) | |
569 | return r; | |
570 | ||
d79200e2 | 571 | r = unit_set_default_slice(UNIT(s)); |
8545f7ce LP |
572 | if (r < 0) |
573 | return r; | |
574 | ||
575 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
576 | s->notify_access = NOTIFY_MAIN; | |
577 | ||
578 | if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE) | |
579 | s->notify_access = NOTIFY_MAIN; | |
580 | ||
581 | if (s->bus_name) { | |
582 | const char *n; | |
583 | ||
6962fd3b MB |
584 | n = strjoina(s->bus_name, ".busname"); |
585 | r = unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, n, NULL, true); | |
8545f7ce LP |
586 | if (r < 0) |
587 | return r; | |
588 | ||
6962fd3b | 589 | r = unit_watch_bus_name(UNIT(s), s->bus_name); |
fc1ba5d1 LP |
590 | if (r == -EEXIST) |
591 | return log_unit_error_errno(UNIT(s), r, "Two services allocated for the same bus name %s, refusing operation.", s->bus_name); | |
8545f7ce | 592 | if (r < 0) |
fc1ba5d1 | 593 | return log_unit_error_errno(UNIT(s), r, "Cannot watch bus name %s: %m", s->bus_name); |
8545f7ce LP |
594 | } |
595 | ||
596 | if (UNIT(s)->default_dependencies) { | |
597 | r = service_add_default_dependencies(s); | |
598 | if (r < 0) | |
599 | return r; | |
600 | } | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
e537352b | 605 | static int service_load(Unit *u) { |
e537352b | 606 | Service *s = SERVICE(u); |
8bb2d17d | 607 | int r; |
e537352b LP |
608 | |
609 | assert(s); | |
1e2e8133 | 610 | |
5cb5a6ff | 611 | /* Load a .service file */ |
c2756a68 LP |
612 | r = unit_load_fragment(u); |
613 | if (r < 0) | |
5cb5a6ff LP |
614 | return r; |
615 | ||
23a177ef | 616 | /* Still nothing found? Then let's give up */ |
ac155bb8 | 617 | if (u->load_state == UNIT_STUB) |
23a177ef | 618 | return -ENOENT; |
034c6ed7 | 619 | |
23a177ef | 620 | /* This is a new unit? Then let's add in some extras */ |
ac155bb8 | 621 | if (u->load_state == UNIT_LOADED) { |
c2756a68 LP |
622 | |
623 | /* We were able to load something, then let's add in | |
624 | * the dropin directories. */ | |
625 | r = unit_load_dropin(u); | |
626 | if (r < 0) | |
627 | return r; | |
628 | ||
8545f7ce LP |
629 | /* This is a new unit? Then let's add in some |
630 | * extras */ | |
631 | r = service_add_extras(s); | |
598459ce LP |
632 | if (r < 0) |
633 | return r; | |
8e274523 LP |
634 | } |
635 | ||
243b1432 | 636 | return service_verify(s); |
034c6ed7 LP |
637 | } |
638 | ||
87f0e418 | 639 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 640 | ServiceExecCommand c; |
87f0e418 | 641 | Service *s = SERVICE(u); |
47be870b | 642 | const char *prefix2; |
5cb5a6ff LP |
643 | |
644 | assert(s); | |
645 | ||
4c940960 | 646 | prefix = strempty(prefix); |
63c372cb | 647 | prefix2 = strjoina(prefix, "\t"); |
44d8db9e | 648 | |
5cb5a6ff | 649 | fprintf(f, |
81a2b7ce | 650 | "%sService State: %s\n" |
f42806df LP |
651 | "%sResult: %s\n" |
652 | "%sReload Result: %s\n" | |
81a2b7ce | 653 | "%sPermissionsStartOnly: %s\n" |
8e274523 | 654 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 655 | "%sRemainAfterExit: %s\n" |
3185a36b | 656 | "%sGuessMainPID: %s\n" |
c952c6ec | 657 | "%sType: %s\n" |
2cf3143a | 658 | "%sRestart: %s\n" |
308d72dc LP |
659 | "%sNotifyAccess: %s\n" |
660 | "%sNotifyState: %s\n", | |
81a2b7ce | 661 | prefix, service_state_to_string(s->state), |
f42806df LP |
662 | prefix, service_result_to_string(s->result), |
663 | prefix, service_result_to_string(s->reload_result), | |
81a2b7ce | 664 | prefix, yes_no(s->permissions_start_only), |
8e274523 | 665 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 666 | prefix, yes_no(s->remain_after_exit), |
3185a36b | 667 | prefix, yes_no(s->guess_main_pid), |
c952c6ec | 668 | prefix, service_type_to_string(s->type), |
2cf3143a | 669 | prefix, service_restart_to_string(s->restart), |
308d72dc LP |
670 | prefix, notify_access_to_string(s->notify_access), |
671 | prefix, notify_state_to_string(s->notify_state)); | |
5cb5a6ff | 672 | |
70123e68 LP |
673 | if (s->control_pid > 0) |
674 | fprintf(f, | |
ccd06097 ZJS |
675 | "%sControl PID: "PID_FMT"\n", |
676 | prefix, s->control_pid); | |
70123e68 LP |
677 | |
678 | if (s->main_pid > 0) | |
679 | fprintf(f, | |
ccd06097 | 680 | "%sMain PID: "PID_FMT"\n" |
6dfa5494 LP |
681 | "%sMain PID Known: %s\n" |
682 | "%sMain PID Alien: %s\n", | |
ccd06097 | 683 | prefix, s->main_pid, |
6dfa5494 LP |
684 | prefix, yes_no(s->main_pid_known), |
685 | prefix, yes_no(s->main_pid_alien)); | |
70123e68 | 686 | |
034c6ed7 LP |
687 | if (s->pid_file) |
688 | fprintf(f, | |
689 | "%sPIDFile: %s\n", | |
690 | prefix, s->pid_file); | |
691 | ||
05e343b7 LP |
692 | if (s->bus_name) |
693 | fprintf(f, | |
694 | "%sBusName: %s\n" | |
695 | "%sBus Name Good: %s\n", | |
696 | prefix, s->bus_name, | |
697 | prefix, yes_no(s->bus_name_good)); | |
698 | ||
4819ff03 | 699 | kill_context_dump(&s->kill_context, f, prefix); |
5cb5a6ff LP |
700 | exec_context_dump(&s->exec_context, f, prefix); |
701 | ||
e537352b | 702 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 703 | |
44d8db9e LP |
704 | if (!s->exec_command[c]) |
705 | continue; | |
706 | ||
40d50879 | 707 | fprintf(f, "%s-> %s:\n", |
94f04347 | 708 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
709 | |
710 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 711 | } |
44d8db9e | 712 | |
8c47c732 LP |
713 | if (s->status_text) |
714 | fprintf(f, "%sStatus Text: %s\n", | |
715 | prefix, s->status_text); | |
a354329f | 716 | |
ece174c5 | 717 | if (s->n_fd_store_max > 0) |
a354329f LP |
718 | fprintf(f, |
719 | "%sFile Descriptor Store Max: %u\n" | |
720 | "%sFile Descriptor Store Current: %u\n", | |
721 | prefix, s->n_fd_store_max, | |
722 | prefix, s->n_fd_store); | |
5cb5a6ff LP |
723 | } |
724 | ||
c5419d42 | 725 | static int service_load_pid_file(Service *s, bool may_warn) { |
7fd1b19b | 726 | _cleanup_free_ char *k = NULL; |
034c6ed7 | 727 | int r; |
5925dd3c | 728 | pid_t pid; |
034c6ed7 LP |
729 | |
730 | assert(s); | |
731 | ||
034c6ed7 | 732 | if (!s->pid_file) |
13230d5d | 733 | return -ENOENT; |
034c6ed7 | 734 | |
117dcc57 ZJS |
735 | r = read_one_line_file(s->pid_file, &k); |
736 | if (r < 0) { | |
c5419d42 | 737 | if (may_warn) |
f2341e0a | 738 | log_unit_info_errno(UNIT(s), r, "PID file %s not readable (yet?) after %s: %m", s->pid_file, service_state_to_string(s->state)); |
034c6ed7 | 739 | return r; |
5375410b | 740 | } |
034c6ed7 | 741 | |
5925dd3c | 742 | r = parse_pid(k, &pid); |
bc41f93e ZJS |
743 | if (r < 0) { |
744 | if (may_warn) | |
f2341e0a | 745 | log_unit_info_errno(UNIT(s), r, "Failed to read PID from file %s: %m", s->pid_file); |
5925dd3c | 746 | return r; |
bc41f93e | 747 | } |
406eaf93 | 748 | |
9f5650ae | 749 | if (!pid_is_alive(pid)) { |
c5419d42 | 750 | if (may_warn) |
f2341e0a | 751 | log_unit_info(UNIT(s), "PID "PID_FMT" read from file %s does not exist or is a zombie.", pid, s->pid_file); |
e10c9985 YS |
752 | return -ESRCH; |
753 | } | |
754 | ||
db01f8b3 MS |
755 | if (s->main_pid_known) { |
756 | if (pid == s->main_pid) | |
757 | return 0; | |
758 | ||
f2341e0a | 759 | log_unit_debug(UNIT(s), "Main PID changing: "PID_FMT" -> "PID_FMT, s->main_pid, pid); |
8bb2d17d | 760 | |
db01f8b3 MS |
761 | service_unwatch_main_pid(s); |
762 | s->main_pid_known = false; | |
3a111838 | 763 | } else |
f2341e0a | 764 | log_unit_debug(UNIT(s), "Main PID loaded: "PID_FMT, pid); |
db01f8b3 | 765 | |
117dcc57 ZJS |
766 | r = service_set_main_pid(s, pid); |
767 | if (r < 0) | |
16f6025e LP |
768 | return r; |
769 | ||
117dcc57 | 770 | r = unit_watch_pid(UNIT(s), pid); |
bc41f93e | 771 | if (r < 0) { |
5925dd3c | 772 | /* FIXME: we need to do something here */ |
f2341e0a | 773 | log_unit_warning_errno(UNIT(s), r, "Failed to watch PID "PID_FMT" for service: %m", pid); |
5925dd3c | 774 | return r; |
bc41f93e | 775 | } |
034c6ed7 LP |
776 | |
777 | return 0; | |
778 | } | |
779 | ||
4fbf50b3 | 780 | static int service_search_main_pid(Service *s) { |
efdb0237 | 781 | pid_t pid = 0; |
4fbf50b3 LP |
782 | int r; |
783 | ||
784 | assert(s); | |
785 | ||
3185a36b LP |
786 | /* If we know it anyway, don't ever fallback to unreliable |
787 | * heuristics */ | |
4fbf50b3 LP |
788 | if (s->main_pid_known) |
789 | return 0; | |
790 | ||
3185a36b LP |
791 | if (!s->guess_main_pid) |
792 | return 0; | |
793 | ||
4fbf50b3 LP |
794 | assert(s->main_pid <= 0); |
795 | ||
efdb0237 LP |
796 | r = unit_search_main_pid(UNIT(s), &pid); |
797 | if (r < 0) | |
798 | return r; | |
4fbf50b3 | 799 | |
f2341e0a | 800 | log_unit_debug(UNIT(s), "Main PID guessed: "PID_FMT, pid); |
117dcc57 ZJS |
801 | r = service_set_main_pid(s, pid); |
802 | if (r < 0) | |
4fbf50b3 LP |
803 | return r; |
804 | ||
117dcc57 | 805 | r = unit_watch_pid(UNIT(s), pid); |
8bb2d17d | 806 | if (r < 0) { |
4fbf50b3 | 807 | /* FIXME: we need to do something here */ |
f2341e0a | 808 | log_unit_warning_errno(UNIT(s), r, "Failed to watch PID "PID_FMT" from: %m", pid); |
8bb2d17d LP |
809 | return r; |
810 | } | |
811 | ||
812 | return 0; | |
4fbf50b3 LP |
813 | } |
814 | ||
034c6ed7 LP |
815 | static void service_set_state(Service *s, ServiceState state) { |
816 | ServiceState old_state; | |
e056b01d | 817 | const UnitActiveState *table; |
842129f5 | 818 | |
5cb5a6ff LP |
819 | assert(s); |
820 | ||
e056b01d LP |
821 | table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
822 | ||
034c6ed7 | 823 | old_state = s->state; |
5cb5a6ff | 824 | s->state = state; |
034c6ed7 | 825 | |
3a111838 MS |
826 | service_unwatch_pid_file(s); |
827 | ||
842129f5 LP |
828 | if (!IN_SET(state, |
829 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
830 | SERVICE_RELOAD, | |
57614eb1 | 831 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
842129f5 LP |
832 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL, |
833 | SERVICE_AUTO_RESTART)) | |
718db961 | 834 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
034c6ed7 | 835 | |
842129f5 LP |
836 | if (!IN_SET(state, |
837 | SERVICE_START, SERVICE_START_POST, | |
838 | SERVICE_RUNNING, SERVICE_RELOAD, | |
57614eb1 | 839 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
bf108e55 | 840 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { |
5e94833f | 841 | service_unwatch_main_pid(s); |
867b3b7d LP |
842 | s->main_command = NULL; |
843 | } | |
034c6ed7 | 844 | |
842129f5 LP |
845 | if (!IN_SET(state, |
846 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
847 | SERVICE_RELOAD, | |
57614eb1 | 848 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
842129f5 | 849 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { |
5e94833f | 850 | service_unwatch_control_pid(s); |
034c6ed7 | 851 | s->control_command = NULL; |
a16e1123 | 852 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 853 | } |
034c6ed7 | 854 | |
a911bb9a LP |
855 | if (IN_SET(state, SERVICE_DEAD, SERVICE_FAILED, SERVICE_AUTO_RESTART)) |
856 | unit_unwatch_all_pids(UNIT(s)); | |
857 | ||
842129f5 LP |
858 | if (!IN_SET(state, |
859 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
860 | SERVICE_RUNNING, SERVICE_RELOAD, | |
57614eb1 LP |
861 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
862 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) && | |
1124fe6f | 863 | !(state == SERVICE_DEAD && UNIT(s)->job)) { |
4f2d528d | 864 | service_close_socket_fd(s); |
6cf6bbc2 LP |
865 | service_connection_unref(s); |
866 | } | |
4f2d528d | 867 | |
7596e9e1 | 868 | if (!IN_SET(state, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) |
a6927d7f MO |
869 | service_stop_watchdog(s); |
870 | ||
f6023656 LP |
871 | /* For the inactive states unit_notify() will trim the cgroup, |
872 | * but for exit we have to do that ourselves... */ | |
1124fe6f | 873 | if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0) |
efdb0237 | 874 | unit_prune_cgroup(UNIT(s)); |
f6023656 | 875 | |
9cd86184 OB |
876 | /* For remain_after_exit services, let's see if we can "release" the |
877 | * hold on the console, since unit_notify() only does that in case of | |
878 | * change of state */ | |
f49650ce LP |
879 | if (state == SERVICE_EXITED && |
880 | s->remain_after_exit && | |
9cd86184 | 881 | UNIT(s)->manager->n_on_console > 0) { |
f49650ce LP |
882 | |
883 | ExecContext *ec; | |
884 | ||
885 | ec = unit_get_exec_context(UNIT(s)); | |
9cd86184 OB |
886 | if (ec && exec_context_may_touch_console(ec)) { |
887 | Manager *m = UNIT(s)->manager; | |
888 | ||
889 | m->n_on_console --; | |
890 | if (m->n_on_console == 0) | |
891 | /* unset no_console_output flag, since the console is free */ | |
892 | m->no_console_output = false; | |
893 | } | |
894 | } | |
895 | ||
e537352b | 896 | if (old_state != state) |
f2341e0a | 897 | log_unit_debug(UNIT(s), "Changed %s -> %s", service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 | 898 | |
e056b01d | 899 | unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS); |
034c6ed7 LP |
900 | } |
901 | ||
be847e82 | 902 | static int service_coldplug(Unit *u) { |
a16e1123 LP |
903 | Service *s = SERVICE(u); |
904 | int r; | |
905 | ||
906 | assert(s); | |
907 | assert(s->state == SERVICE_DEAD); | |
908 | ||
909 | if (s->deserialized_state != s->state) { | |
910 | ||
bf108e55 LP |
911 | if (IN_SET(s->deserialized_state, |
912 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
913 | SERVICE_RELOAD, | |
57614eb1 | 914 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
bf108e55 | 915 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { |
92c1622e LP |
916 | |
917 | usec_t k; | |
6c12b52e | 918 | |
bf108e55 | 919 | k = IN_SET(s->deserialized_state, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RELOAD) ? s->timeout_start_usec : s->timeout_stop_usec; |
e558336f | 920 | |
92c1622e LP |
921 | /* For the start/stop timeouts 0 means off */ |
922 | if (k > 0) { | |
923 | r = service_arm_timer(s, k); | |
36697dc0 | 924 | if (r < 0) |
e558336f LP |
925 | return r; |
926 | } | |
927 | } | |
a16e1123 | 928 | |
92c1622e LP |
929 | if (s->deserialized_state == SERVICE_AUTO_RESTART) { |
930 | ||
931 | /* The restart timeouts 0 means immediately */ | |
932 | r = service_arm_timer(s, s->restart_usec); | |
933 | if (r < 0) | |
934 | return r; | |
935 | } | |
936 | ||
9f5650ae | 937 | if (pid_is_unwaited(s->main_pid) && |
bf108e55 LP |
938 | ((s->deserialized_state == SERVICE_START && IN_SET(s->type, SERVICE_FORKING, SERVICE_DBUS, SERVICE_ONESHOT, SERVICE_NOTIFY)) || |
939 | IN_SET(s->deserialized_state, | |
940 | SERVICE_START, SERVICE_START_POST, | |
941 | SERVICE_RUNNING, SERVICE_RELOAD, | |
57614eb1 | 942 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
bf108e55 LP |
943 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL))) { |
944 | r = unit_watch_pid(UNIT(s), s->main_pid); | |
945 | if (r < 0) | |
946 | return r; | |
947 | } | |
a16e1123 | 948 | |
9f5650ae | 949 | if (pid_is_unwaited(s->control_pid) && |
bf108e55 LP |
950 | IN_SET(s->deserialized_state, |
951 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
952 | SERVICE_RELOAD, | |
57614eb1 | 953 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, |
bf108e55 LP |
954 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { |
955 | r = unit_watch_pid(UNIT(s), s->control_pid); | |
956 | if (r < 0) | |
957 | return r; | |
958 | } | |
a16e1123 | 959 | |
a911bb9a LP |
960 | if (!IN_SET(s->deserialized_state, SERVICE_DEAD, SERVICE_FAILED, SERVICE_AUTO_RESTART)) |
961 | unit_watch_all_pids(UNIT(s)); | |
962 | ||
842129f5 LP |
963 | if (IN_SET(s->deserialized_state, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) |
964 | service_start_watchdog(s); | |
bb242b7b | 965 | |
a16e1123 LP |
966 | service_set_state(s, s->deserialized_state); |
967 | } | |
92c1622e | 968 | |
a16e1123 LP |
969 | return 0; |
970 | } | |
971 | ||
8dd4c05b LP |
972 | static int service_collect_fds(Service *s, int **fds, char ***fd_names) { |
973 | _cleanup_strv_free_ char **rfd_names = NULL; | |
a354329f | 974 | _cleanup_free_ int *rfds = NULL; |
8dd4c05b | 975 | int rn_fds = 0, r; |
44d8db9e LP |
976 | |
977 | assert(s); | |
978 | assert(fds); | |
8dd4c05b | 979 | assert(fd_names); |
44d8db9e | 980 | |
8dd4c05b | 981 | if (s->socket_fd >= 0) { |
6cf6bbc2 | 982 | |
8dd4c05b | 983 | /* Pass the per-connection socket */ |
57020a3a | 984 | |
8dd4c05b LP |
985 | rfds = new(int, 1); |
986 | if (!rfds) | |
987 | return -ENOMEM; | |
988 | rfds[0] = s->socket_fd; | |
57020a3a | 989 | |
8dd4c05b LP |
990 | rfd_names = strv_new("connection", NULL); |
991 | if (!rfd_names) | |
992 | return -ENOMEM; | |
44d8db9e | 993 | |
8dd4c05b LP |
994 | rn_fds = 1; |
995 | } else { | |
996 | Iterator i; | |
997 | Unit *u; | |
44d8db9e | 998 | |
8dd4c05b | 999 | /* Pass all our configured sockets for singleton services */ |
44d8db9e | 1000 | |
8dd4c05b LP |
1001 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) { |
1002 | _cleanup_free_ int *cfds = NULL; | |
1003 | Socket *sock; | |
1004 | int cn_fds; | |
44d8db9e | 1005 | |
8dd4c05b LP |
1006 | if (u->type != UNIT_SOCKET) |
1007 | continue; | |
44d8db9e | 1008 | |
8dd4c05b | 1009 | sock = SOCKET(u); |
a354329f | 1010 | |
8dd4c05b LP |
1011 | cn_fds = socket_collect_fds(sock, &cfds); |
1012 | if (cn_fds < 0) | |
1013 | return cn_fds; | |
44d8db9e | 1014 | |
8dd4c05b LP |
1015 | if (cn_fds <= 0) |
1016 | continue; | |
79c7626d | 1017 | |
8dd4c05b LP |
1018 | if (!rfds) { |
1019 | rfds = cfds; | |
1020 | rn_fds = cn_fds; | |
1021 | ||
1022 | cfds = NULL; | |
1023 | } else { | |
1024 | int *t; | |
1025 | ||
1026 | t = realloc(rfds, (rn_fds + cn_fds) * sizeof(int)); | |
1027 | if (!t) | |
1028 | return -ENOMEM; | |
1029 | ||
1030 | memcpy(t + rn_fds, cfds, cn_fds * sizeof(int)); | |
1031 | ||
1032 | rfds = t; | |
1033 | rn_fds += cn_fds; | |
1034 | } | |
1035 | ||
1036 | r = strv_extend_n(&rfd_names, socket_fdname(sock), cn_fds); | |
1037 | if (r < 0) | |
1038 | return r; | |
44d8db9e LP |
1039 | } |
1040 | } | |
1041 | ||
a354329f LP |
1042 | if (s->n_fd_store > 0) { |
1043 | ServiceFDStore *fs; | |
8dd4c05b | 1044 | char **nl; |
a354329f LP |
1045 | int *t; |
1046 | ||
1047 | t = realloc(rfds, (rn_fds + s->n_fd_store) * sizeof(int)); | |
1048 | if (!t) | |
1049 | return -ENOMEM; | |
1050 | ||
1051 | rfds = t; | |
8dd4c05b LP |
1052 | |
1053 | nl = realloc(rfd_names, (rn_fds + s->n_fd_store + 1) * sizeof(char*)); | |
1054 | if (!nl) | |
1055 | return -ENOMEM; | |
1056 | ||
1057 | rfd_names = nl; | |
1058 | ||
1059 | LIST_FOREACH(fd_store, fs, s->fd_store) { | |
1060 | rfds[rn_fds] = fs->fd; | |
1061 | rfd_names[rn_fds] = strdup(strempty(fs->fdname)); | |
1062 | if (!rfd_names[rn_fds]) | |
1063 | return -ENOMEM; | |
1064 | ||
1065 | rn_fds++; | |
1066 | } | |
1067 | ||
1068 | rfd_names[rn_fds] = NULL; | |
a354329f LP |
1069 | } |
1070 | ||
44d8db9e | 1071 | *fds = rfds; |
8dd4c05b | 1072 | *fd_names = rfd_names; |
3e33402a | 1073 | |
a354329f | 1074 | rfds = NULL; |
8dd4c05b | 1075 | rfd_names = NULL; |
79c7626d LP |
1076 | |
1077 | return rn_fds; | |
44d8db9e LP |
1078 | } |
1079 | ||
81a2b7ce LP |
1080 | static int service_spawn( |
1081 | Service *s, | |
1082 | ExecCommand *c, | |
21b2ce39 | 1083 | usec_t timeout, |
81a2b7ce LP |
1084 | bool pass_fds, |
1085 | bool apply_permissions, | |
1086 | bool apply_chroot, | |
1e3ad081 | 1087 | bool apply_tty_stdin, |
ecedd90f | 1088 | bool is_control, |
81a2b7ce LP |
1089 | pid_t *_pid) { |
1090 | ||
8dd4c05b | 1091 | _cleanup_strv_free_ char **argv = NULL, **final_env = NULL, **our_env = NULL, **fd_names = NULL; |
e44da745 | 1092 | _cleanup_free_ char *bus_endpoint_path = NULL; |
8dd4c05b LP |
1093 | _cleanup_free_ int *fds = NULL; |
1094 | unsigned n_fds = 0, n_env = 0; | |
4ad49000 | 1095 | const char *path; |
8dd4c05b LP |
1096 | pid_t pid; |
1097 | ||
9fa95f85 | 1098 | ExecParameters exec_params = { |
a34ceba6 LP |
1099 | .apply_permissions = apply_permissions, |
1100 | .apply_chroot = apply_chroot, | |
1101 | .apply_tty_stdin = apply_tty_stdin, | |
1102 | .bus_endpoint_fd = -1, | |
1103 | .stdin_fd = -1, | |
1104 | .stdout_fd = -1, | |
1105 | .stderr_fd = -1, | |
9fa95f85 | 1106 | }; |
034c6ed7 | 1107 | |
8dd4c05b LP |
1108 | int r; |
1109 | ||
034c6ed7 LP |
1110 | assert(s); |
1111 | assert(c); | |
1112 | assert(_pid); | |
1113 | ||
5ad096b3 LP |
1114 | (void) unit_realize_cgroup(UNIT(s)); |
1115 | if (s->reset_cpu_usage) { | |
1116 | (void) unit_reset_cpu_usage(UNIT(s)); | |
1117 | s->reset_cpu_usage = false; | |
1118 | } | |
4ad49000 | 1119 | |
613b411c LP |
1120 | r = unit_setup_exec_runtime(UNIT(s)); |
1121 | if (r < 0) | |
1122 | goto fail; | |
1123 | ||
6cf6bbc2 LP |
1124 | if (pass_fds || |
1125 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1126 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1127 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1128 | ||
8dd4c05b LP |
1129 | r = service_collect_fds(s, &fds, &fd_names); |
1130 | if (r < 0) | |
1131 | goto fail; | |
6cf6bbc2 | 1132 | |
8dd4c05b | 1133 | n_fds = r; |
4f2d528d | 1134 | } |
44d8db9e | 1135 | |
21b2ce39 LP |
1136 | if (timeout > 0) { |
1137 | r = service_arm_timer(s, timeout); | |
92c1622e LP |
1138 | if (r < 0) |
1139 | goto fail; | |
1140 | } else | |
1141 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); | |
034c6ed7 | 1142 | |
19f6d710 LP |
1143 | r = unit_full_printf_strv(UNIT(s), c->argv, &argv); |
1144 | if (r < 0) | |
9e2f7c11 | 1145 | goto fail; |
9e2f7c11 | 1146 | |
3b1c5241 | 1147 | our_env = new0(char*, 6); |
97ae63e2 | 1148 | if (!our_env) { |
2105e76a LP |
1149 | r = -ENOMEM; |
1150 | goto fail; | |
1151 | } | |
c952c6ec | 1152 | |
a158dbf1 | 1153 | if (is_control ? s->notify_access == NOTIFY_ALL : s->notify_access != NOTIFY_NONE) |
1124fe6f | 1154 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) { |
c952c6ec LP |
1155 | r = -ENOMEM; |
1156 | goto fail; | |
1157 | } | |
1158 | ||
2105e76a | 1159 | if (s->main_pid > 0) |
ccd06097 | 1160 | if (asprintf(our_env + n_env++, "MAINPID="PID_FMT, s->main_pid) < 0) { |
c952c6ec LP |
1161 | r = -ENOMEM; |
1162 | goto fail; | |
1163 | } | |
2105e76a | 1164 | |
b2c23da8 | 1165 | if (UNIT(s)->manager->running_as != MANAGER_SYSTEM) |
ccd06097 | 1166 | if (asprintf(our_env + n_env++, "MANAGERPID="PID_FMT, getpid()) < 0) { |
97ae63e2 LP |
1167 | r = -ENOMEM; |
1168 | goto fail; | |
1169 | } | |
1170 | ||
8dd4c05b | 1171 | if (s->socket_fd >= 0) { |
3b1c5241 SL |
1172 | union sockaddr_union sa; |
1173 | socklen_t salen = sizeof(sa); | |
1174 | ||
1175 | r = getpeername(s->socket_fd, &sa.sa, &salen); | |
1176 | if (r < 0) { | |
1177 | r = -errno; | |
1178 | goto fail; | |
1179 | } | |
1180 | ||
1181 | if (IN_SET(sa.sa.sa_family, AF_INET, AF_INET6)) { | |
1182 | _cleanup_free_ char *addr = NULL; | |
1183 | char *t; | |
1184 | int port; | |
1185 | ||
1186 | r = sockaddr_pretty(&sa.sa, salen, true, false, &addr); | |
1187 | if (r < 0) | |
1188 | goto fail; | |
1189 | ||
1190 | t = strappend("REMOTE_ADDR=", addr); | |
1191 | if (!t) { | |
1192 | r = -ENOMEM; | |
1193 | goto fail; | |
1194 | } | |
1195 | our_env[n_env++] = t; | |
1196 | ||
1197 | port = sockaddr_port(&sa.sa); | |
1198 | if (port < 0) { | |
1199 | r = port; | |
1200 | goto fail; | |
1201 | } | |
1202 | ||
1203 | if (asprintf(&t, "REMOTE_PORT=%u", port) < 0) { | |
1204 | r = -ENOMEM; | |
1205 | goto fail; | |
1206 | } | |
1207 | our_env[n_env++] = t; | |
1208 | } | |
1209 | } | |
1210 | ||
97ae63e2 LP |
1211 | final_env = strv_env_merge(2, UNIT(s)->manager->environment, our_env, NULL); |
1212 | if (!final_env) { | |
2105e76a LP |
1213 | r = -ENOMEM; |
1214 | goto fail; | |
1215 | } | |
c952c6ec | 1216 | |
4ad49000 | 1217 | if (is_control && UNIT(s)->cgroup_path) { |
63c372cb | 1218 | path = strjoina(UNIT(s)->cgroup_path, "/control"); |
ac5b0c13 | 1219 | (void) cg_create(SYSTEMD_CGROUP_CONTROLLER, path); |
4ad49000 LP |
1220 | } else |
1221 | path = UNIT(s)->cgroup_path; | |
1222 | ||
e44da745 | 1223 | if (s->exec_context.bus_endpoint) { |
b2c23da8 | 1224 | r = bus_kernel_create_endpoint(UNIT(s)->manager->running_as == MANAGER_SYSTEM ? "system" : "user", |
e44da745 DM |
1225 | UNIT(s)->id, &bus_endpoint_path); |
1226 | if (r < 0) | |
1227 | goto fail; | |
1228 | ||
1229 | /* Pass the fd to the exec_params so that the child process can upload the policy. | |
1230 | * Keep a reference to the fd in the service, so the endpoint is kept alive as long | |
1231 | * as the service is running. */ | |
1232 | exec_params.bus_endpoint_fd = s->bus_endpoint_fd = r; | |
1233 | } | |
e44da745 | 1234 | |
9fa95f85 DM |
1235 | exec_params.argv = argv; |
1236 | exec_params.fds = fds; | |
8dd4c05b | 1237 | exec_params.fd_names = fd_names; |
9fa95f85 DM |
1238 | exec_params.n_fds = n_fds; |
1239 | exec_params.environment = final_env; | |
1240 | exec_params.confirm_spawn = UNIT(s)->manager->confirm_spawn; | |
1241 | exec_params.cgroup_supported = UNIT(s)->manager->cgroup_supported; | |
1242 | exec_params.cgroup_path = path; | |
a931ad47 | 1243 | exec_params.cgroup_delegate = s->cgroup_context.delegate; |
9fa95f85 | 1244 | exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(s)->manager); |
9fa95f85 | 1245 | exec_params.watchdog_usec = s->watchdog_usec; |
e44da745 | 1246 | exec_params.bus_endpoint_path = bus_endpoint_path; |
a34ceba6 | 1247 | exec_params.selinux_context_net = s->socket_fd_selinux_context_net; |
9fa95f85 DM |
1248 | if (s->type == SERVICE_IDLE) |
1249 | exec_params.idle_pipe = UNIT(s)->manager->idle_pipe; | |
a34ceba6 LP |
1250 | exec_params.stdin_fd = s->stdin_fd; |
1251 | exec_params.stdout_fd = s->stdout_fd; | |
1252 | exec_params.stderr_fd = s->stderr_fd; | |
9fa95f85 | 1253 | |
f2341e0a LP |
1254 | r = exec_spawn(UNIT(s), |
1255 | c, | |
9e2f7c11 | 1256 | &s->exec_context, |
9fa95f85 | 1257 | &exec_params, |
613b411c | 1258 | s->exec_runtime, |
9e2f7c11 | 1259 | &pid); |
9e2f7c11 | 1260 | if (r < 0) |
034c6ed7 LP |
1261 | goto fail; |
1262 | ||
117dcc57 ZJS |
1263 | r = unit_watch_pid(UNIT(s), pid); |
1264 | if (r < 0) | |
034c6ed7 LP |
1265 | /* FIXME: we need to do something here */ |
1266 | goto fail; | |
1267 | ||
1268 | *_pid = pid; | |
1269 | ||
5cb5a6ff | 1270 | return 0; |
034c6ed7 LP |
1271 | |
1272 | fail: | |
1273 | if (timeout) | |
718db961 | 1274 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
034c6ed7 LP |
1275 | |
1276 | return r; | |
1277 | } | |
1278 | ||
80876c20 LP |
1279 | static int main_pid_good(Service *s) { |
1280 | assert(s); | |
1281 | ||
1282 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1283 | * don't know */ | |
1284 | ||
fc08079e | 1285 | /* If we know the pid file, then let's just check if it is |
80876c20 | 1286 | * still valid */ |
6dfa5494 LP |
1287 | if (s->main_pid_known) { |
1288 | ||
1289 | /* If it's an alien child let's check if it is still | |
1290 | * alive ... */ | |
62220cf7 | 1291 | if (s->main_pid_alien && s->main_pid > 0) |
9f5650ae | 1292 | return pid_is_alive(s->main_pid); |
6dfa5494 LP |
1293 | |
1294 | /* .. otherwise assume we'll get a SIGCHLD for it, | |
1295 | * which we really should wait for to collect exit | |
1296 | * status and code */ | |
80876c20 | 1297 | return s->main_pid > 0; |
6dfa5494 | 1298 | } |
80876c20 LP |
1299 | |
1300 | /* We don't know the pid */ | |
1301 | return -EAGAIN; | |
1302 | } | |
1303 | ||
44a6b1b6 | 1304 | _pure_ static int control_pid_good(Service *s) { |
80876c20 LP |
1305 | assert(s); |
1306 | ||
1307 | return s->control_pid > 0; | |
1308 | } | |
1309 | ||
1310 | static int cgroup_good(Service *s) { | |
1311 | int r; | |
1312 | ||
1313 | assert(s); | |
1314 | ||
4ad49000 LP |
1315 | if (!UNIT(s)->cgroup_path) |
1316 | return 0; | |
1317 | ||
6f883237 | 1318 | r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, UNIT(s)->cgroup_path); |
117dcc57 | 1319 | if (r < 0) |
80876c20 LP |
1320 | return r; |
1321 | ||
1322 | return !r; | |
1323 | } | |
1324 | ||
a509f0e6 LP |
1325 | static bool service_shall_restart(Service *s) { |
1326 | assert(s); | |
1327 | ||
1328 | /* Don't restart after manual stops */ | |
1329 | if (s->forbid_restart) | |
1330 | return false; | |
1331 | ||
1332 | /* Never restart if this is configured as special exception */ | |
1333 | if (exit_status_set_test(&s->restart_prevent_status, s->main_exec_status.code, s->main_exec_status.status)) | |
1334 | return false; | |
1335 | ||
1336 | /* Restart if the exit code/status are configured as restart triggers */ | |
1337 | if (exit_status_set_test(&s->restart_force_status, s->main_exec_status.code, s->main_exec_status.status)) | |
1338 | return true; | |
1339 | ||
1340 | switch (s->restart) { | |
1341 | ||
1342 | case SERVICE_RESTART_NO: | |
1343 | return false; | |
1344 | ||
1345 | case SERVICE_RESTART_ALWAYS: | |
1346 | return true; | |
1347 | ||
1348 | case SERVICE_RESTART_ON_SUCCESS: | |
1349 | return s->result == SERVICE_SUCCESS; | |
1350 | ||
1351 | case SERVICE_RESTART_ON_FAILURE: | |
1352 | return s->result != SERVICE_SUCCESS; | |
1353 | ||
1354 | case SERVICE_RESTART_ON_ABNORMAL: | |
1355 | return !IN_SET(s->result, SERVICE_SUCCESS, SERVICE_FAILURE_EXIT_CODE); | |
1356 | ||
1357 | case SERVICE_RESTART_ON_WATCHDOG: | |
1358 | return s->result == SERVICE_FAILURE_WATCHDOG; | |
1359 | ||
1360 | case SERVICE_RESTART_ON_ABORT: | |
1361 | return IN_SET(s->result, SERVICE_FAILURE_SIGNAL, SERVICE_FAILURE_CORE_DUMP); | |
1362 | ||
1363 | default: | |
1364 | assert_not_reached("unknown restart setting"); | |
1365 | } | |
1366 | } | |
1367 | ||
f42806df | 1368 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { |
034c6ed7 LP |
1369 | int r; |
1370 | assert(s); | |
1371 | ||
f42806df LP |
1372 | if (f != SERVICE_SUCCESS) |
1373 | s->result = f; | |
034c6ed7 | 1374 | |
0c7f15b3 MS |
1375 | service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); |
1376 | ||
2928b0a8 | 1377 | if (s->result != SERVICE_SUCCESS) { |
f2341e0a | 1378 | log_unit_warning(UNIT(s), "Failed with result '%s'.", service_result_to_string(s->result)); |
2928b0a8 LP |
1379 | failure_action(UNIT(s)->manager, s->failure_action, s->reboot_arg); |
1380 | } | |
93ae25e6 | 1381 | |
a509f0e6 | 1382 | if (allow_restart && service_shall_restart(s)) { |
034c6ed7 | 1383 | |
718db961 | 1384 | r = service_arm_timer(s, s->restart_usec); |
f42806df | 1385 | if (r < 0) |
034c6ed7 LP |
1386 | goto fail; |
1387 | ||
1388 | service_set_state(s, SERVICE_AUTO_RESTART); | |
0c7f15b3 | 1389 | } |
034c6ed7 | 1390 | |
f2341e0a | 1391 | /* The next restart might not be a manual stop, hence reset the flag indicating manual stops */ |
47342320 LP |
1392 | s->forbid_restart = false; |
1393 | ||
e66cf1a3 | 1394 | /* We want fresh tmpdirs in case service is started again immediately */ |
613b411c LP |
1395 | exec_runtime_destroy(s->exec_runtime); |
1396 | s->exec_runtime = exec_runtime_unref(s->exec_runtime); | |
c17ec25e | 1397 | |
e66cf1a3 LP |
1398 | /* Also, remove the runtime directory in */ |
1399 | exec_context_destroy_runtime_directory(&s->exec_context, manager_get_runtime_prefix(UNIT(s)->manager)); | |
1400 | ||
9285c9ff LN |
1401 | /* Try to delete the pid file. At this point it will be |
1402 | * out-of-date, and some software might be confused by it, so | |
1403 | * let's remove it. */ | |
1404 | if (s->pid_file) | |
1405 | unlink_noerrno(s->pid_file); | |
1406 | ||
034c6ed7 LP |
1407 | return; |
1408 | ||
1409 | fail: | |
f2341e0a | 1410 | log_unit_warning_errno(UNIT(s), r, "Failed to run install restart timer: %m"); |
f42806df | 1411 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1412 | } |
1413 | ||
f42806df | 1414 | static void service_enter_stop_post(Service *s, ServiceResult f) { |
034c6ed7 LP |
1415 | int r; |
1416 | assert(s); | |
1417 | ||
f42806df LP |
1418 | if (f != SERVICE_SUCCESS) |
1419 | s->result = f; | |
034c6ed7 | 1420 | |
5e94833f | 1421 | service_unwatch_control_pid(s); |
a911bb9a | 1422 | unit_watch_all_pids(UNIT(s)); |
5e94833f | 1423 | |
117dcc57 ZJS |
1424 | s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST]; |
1425 | if (s->control_command) { | |
867b3b7d LP |
1426 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
1427 | ||
ecedd90f LP |
1428 | r = service_spawn(s, |
1429 | s->control_command, | |
21b2ce39 | 1430 | s->timeout_stop_usec, |
ecedd90f LP |
1431 | false, |
1432 | !s->permissions_start_only, | |
1433 | !s->root_directory_start_only, | |
1434 | true, | |
ecedd90f LP |
1435 | true, |
1436 | &s->control_pid); | |
1437 | if (r < 0) | |
034c6ed7 LP |
1438 | goto fail; |
1439 | ||
80876c20 LP |
1440 | service_set_state(s, SERVICE_STOP_POST); |
1441 | } else | |
ac84d1fb | 1442 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1443 | |
1444 | return; | |
1445 | ||
1446 | fail: | |
f2341e0a | 1447 | log_unit_warning_errno(UNIT(s), r, "Failed to run 'stop-post' task: %m"); |
f42806df | 1448 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1449 | } |
1450 | ||
4940c0b0 LP |
1451 | static int state_to_kill_operation(ServiceState state) { |
1452 | switch (state) { | |
1453 | ||
1454 | case SERVICE_STOP_SIGABRT: | |
1455 | return KILL_ABORT; | |
1456 | ||
1457 | case SERVICE_STOP_SIGTERM: | |
1458 | case SERVICE_FINAL_SIGTERM: | |
1459 | return KILL_TERMINATE; | |
1460 | ||
1461 | case SERVICE_STOP_SIGKILL: | |
1462 | case SERVICE_FINAL_SIGKILL: | |
1463 | return KILL_KILL; | |
1464 | ||
1465 | default: | |
1466 | return _KILL_OPERATION_INVALID; | |
1467 | } | |
1468 | } | |
1469 | ||
f42806df | 1470 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { |
034c6ed7 | 1471 | int r; |
034c6ed7 LP |
1472 | |
1473 | assert(s); | |
1474 | ||
f42806df LP |
1475 | if (f != SERVICE_SUCCESS) |
1476 | s->result = f; | |
034c6ed7 | 1477 | |
a911bb9a LP |
1478 | unit_watch_all_pids(UNIT(s)); |
1479 | ||
cd2086fe LP |
1480 | r = unit_kill_context( |
1481 | UNIT(s), | |
1482 | &s->kill_context, | |
4940c0b0 | 1483 | state_to_kill_operation(state), |
cd2086fe LP |
1484 | s->main_pid, |
1485 | s->control_pid, | |
1486 | s->main_pid_alien); | |
ac84d1fb | 1487 | |
cd2086fe LP |
1488 | if (r < 0) |
1489 | goto fail; | |
034c6ed7 | 1490 | |
cd2086fe | 1491 | if (r > 0) { |
d568a335 | 1492 | if (s->timeout_stop_usec > 0) { |
718db961 | 1493 | r = service_arm_timer(s, s->timeout_stop_usec); |
d568a335 | 1494 | if (r < 0) |
e558336f | 1495 | goto fail; |
d568a335 | 1496 | } |
d6ea93e3 | 1497 | |
80876c20 | 1498 | service_set_state(s, state); |
1db0db4b | 1499 | } else if (IN_SET(state, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM) && s->kill_context.send_sigkill) |
ac84d1fb | 1500 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_SUCCESS); |
1db0db4b | 1501 | else if (IN_SET(state, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL)) |
f42806df | 1502 | service_enter_stop_post(s, SERVICE_SUCCESS); |
1db0db4b | 1503 | else if (state == SERVICE_FINAL_SIGTERM && s->kill_context.send_sigkill) |
ac84d1fb | 1504 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_SUCCESS); |
80876c20 | 1505 | else |
f42806df | 1506 | service_enter_dead(s, SERVICE_SUCCESS, true); |
034c6ed7 LP |
1507 | |
1508 | return; | |
1509 | ||
1510 | fail: | |
f2341e0a | 1511 | log_unit_warning_errno(UNIT(s), r, "Failed to kill processes: %m"); |
034c6ed7 | 1512 | |
a00973af | 1513 | if (IN_SET(state, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL)) |
f42806df | 1514 | service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 1515 | else |
f42806df | 1516 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
1517 | } |
1518 | ||
308d72dc LP |
1519 | static void service_enter_stop_by_notify(Service *s) { |
1520 | assert(s); | |
1521 | ||
1522 | unit_watch_all_pids(UNIT(s)); | |
1523 | ||
1524 | if (s->timeout_stop_usec > 0) | |
1525 | service_arm_timer(s, s->timeout_stop_usec); | |
1526 | ||
6041a7ee MS |
1527 | /* The service told us it's stopping, so it's as if we SIGTERM'd it. */ |
1528 | service_set_state(s, SERVICE_STOP_SIGTERM); | |
308d72dc LP |
1529 | } |
1530 | ||
f42806df | 1531 | static void service_enter_stop(Service *s, ServiceResult f) { |
034c6ed7 | 1532 | int r; |
5925dd3c | 1533 | |
034c6ed7 LP |
1534 | assert(s); |
1535 | ||
f42806df LP |
1536 | if (f != SERVICE_SUCCESS) |
1537 | s->result = f; | |
034c6ed7 | 1538 | |
5e94833f | 1539 | service_unwatch_control_pid(s); |
a911bb9a | 1540 | unit_watch_all_pids(UNIT(s)); |
5e94833f | 1541 | |
117dcc57 ZJS |
1542 | s->control_command = s->exec_command[SERVICE_EXEC_STOP]; |
1543 | if (s->control_command) { | |
867b3b7d LP |
1544 | s->control_command_id = SERVICE_EXEC_STOP; |
1545 | ||
ecedd90f LP |
1546 | r = service_spawn(s, |
1547 | s->control_command, | |
21b2ce39 | 1548 | s->timeout_stop_usec, |
ecedd90f LP |
1549 | false, |
1550 | !s->permissions_start_only, | |
1551 | !s->root_directory_start_only, | |
1552 | false, | |
ecedd90f LP |
1553 | true, |
1554 | &s->control_pid); | |
1555 | if (r < 0) | |
034c6ed7 LP |
1556 | goto fail; |
1557 | ||
80876c20 LP |
1558 | service_set_state(s, SERVICE_STOP); |
1559 | } else | |
f42806df | 1560 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1561 | |
1562 | return; | |
1563 | ||
1564 | fail: | |
f2341e0a | 1565 | log_unit_warning_errno(UNIT(s), r, "Failed to run 'stop' task: %m"); |
f42806df | 1566 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1567 | } |
1568 | ||
957c3cf9 LP |
1569 | static bool service_good(Service *s) { |
1570 | int main_pid_ok; | |
1571 | assert(s); | |
1572 | ||
1573 | if (s->type == SERVICE_DBUS && !s->bus_name_good) | |
1574 | return false; | |
1575 | ||
1576 | main_pid_ok = main_pid_good(s); | |
1577 | if (main_pid_ok > 0) /* It's alive */ | |
1578 | return true; | |
1579 | if (main_pid_ok == 0) /* It's dead */ | |
1580 | return false; | |
1581 | ||
1582 | /* OK, we don't know anything about the main PID, maybe | |
1583 | * because there is none. Let's check the control group | |
1584 | * instead. */ | |
1585 | ||
1586 | return cgroup_good(s) != 0; | |
1587 | } | |
1588 | ||
f42806df | 1589 | static void service_enter_running(Service *s, ServiceResult f) { |
80876c20 LP |
1590 | assert(s); |
1591 | ||
f42806df LP |
1592 | if (f != SERVICE_SUCCESS) |
1593 | s->result = f; | |
80876c20 | 1594 | |
957c3cf9 | 1595 | if (service_good(s)) { |
308d72dc LP |
1596 | |
1597 | /* If there are any queued up sd_notify() | |
1598 | * notifications, process them now */ | |
1599 | if (s->notify_state == NOTIFY_RELOADING) | |
1600 | service_enter_reload_by_notify(s); | |
1601 | else if (s->notify_state == NOTIFY_STOPPING) | |
1602 | service_enter_stop_by_notify(s); | |
1603 | else | |
1604 | service_set_state(s, SERVICE_RUNNING); | |
1605 | ||
1606 | } else if (s->remain_after_exit) | |
80876c20 LP |
1607 | service_set_state(s, SERVICE_EXITED); |
1608 | else | |
f42806df | 1609 | service_enter_stop(s, SERVICE_SUCCESS); |
80876c20 LP |
1610 | } |
1611 | ||
034c6ed7 LP |
1612 | static void service_enter_start_post(Service *s) { |
1613 | int r; | |
1614 | assert(s); | |
1615 | ||
5e94833f | 1616 | service_unwatch_control_pid(s); |
842129f5 | 1617 | service_reset_watchdog(s); |
bb242b7b | 1618 | |
117dcc57 ZJS |
1619 | s->control_command = s->exec_command[SERVICE_EXEC_START_POST]; |
1620 | if (s->control_command) { | |
867b3b7d LP |
1621 | s->control_command_id = SERVICE_EXEC_START_POST; |
1622 | ||
ecedd90f LP |
1623 | r = service_spawn(s, |
1624 | s->control_command, | |
21b2ce39 | 1625 | s->timeout_start_usec, |
ecedd90f LP |
1626 | false, |
1627 | !s->permissions_start_only, | |
1628 | !s->root_directory_start_only, | |
1629 | false, | |
ecedd90f LP |
1630 | true, |
1631 | &s->control_pid); | |
1632 | if (r < 0) | |
034c6ed7 LP |
1633 | goto fail; |
1634 | ||
80876c20 LP |
1635 | service_set_state(s, SERVICE_START_POST); |
1636 | } else | |
f42806df | 1637 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
1638 | |
1639 | return; | |
1640 | ||
1641 | fail: | |
f2341e0a | 1642 | log_unit_warning_errno(UNIT(s), r, "Failed to run 'start-post' task: %m"); |
f42806df | 1643 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1644 | } |
1645 | ||
4ad49000 LP |
1646 | static void service_kill_control_processes(Service *s) { |
1647 | char *p; | |
1648 | ||
1649 | if (!UNIT(s)->cgroup_path) | |
1650 | return; | |
1651 | ||
63c372cb | 1652 | p = strjoina(UNIT(s)->cgroup_path, "/control"); |
4ad49000 LP |
1653 | cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, p, SIGKILL, true, true, true, NULL); |
1654 | } | |
1655 | ||
034c6ed7 | 1656 | static void service_enter_start(Service *s) { |
4ad49000 | 1657 | ExecCommand *c; |
034c6ed7 LP |
1658 | pid_t pid; |
1659 | int r; | |
1660 | ||
1661 | assert(s); | |
1662 | ||
41efeaec LP |
1663 | service_unwatch_control_pid(s); |
1664 | service_unwatch_main_pid(s); | |
80876c20 | 1665 | |
8f53a7b8 LP |
1666 | /* We want to ensure that nobody leaks processes from |
1667 | * START_PRE here, so let's go on a killing spree, People | |
1668 | * should not spawn long running processes from START_PRE. */ | |
4ad49000 | 1669 | service_kill_control_processes(s); |
8f53a7b8 | 1670 | |
867b3b7d LP |
1671 | if (s->type == SERVICE_FORKING) { |
1672 | s->control_command_id = SERVICE_EXEC_START; | |
1673 | c = s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
1674 | ||
1675 | s->main_command = NULL; | |
1676 | } else { | |
1677 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
1678 | s->control_command = NULL; | |
1679 | ||
1680 | c = s->main_command = s->exec_command[SERVICE_EXEC_START]; | |
1681 | } | |
34e9ba66 | 1682 | |
96fb8242 LP |
1683 | if (!c) { |
1684 | assert(s->type == SERVICE_ONESHOT); | |
1685 | service_enter_start_post(s); | |
1686 | return; | |
1687 | } | |
1688 | ||
ecedd90f LP |
1689 | r = service_spawn(s, |
1690 | c, | |
21b2ce39 | 1691 | IN_SET(s->type, SERVICE_FORKING, SERVICE_DBUS, SERVICE_NOTIFY, SERVICE_ONESHOT) ? s->timeout_start_usec : 0, |
ecedd90f LP |
1692 | true, |
1693 | true, | |
1694 | true, | |
1695 | true, | |
ecedd90f LP |
1696 | false, |
1697 | &pid); | |
1698 | if (r < 0) | |
034c6ed7 LP |
1699 | goto fail; |
1700 | ||
f2b68789 | 1701 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) { |
034c6ed7 LP |
1702 | /* For simple services we immediately start |
1703 | * the START_POST binaries. */ | |
1704 | ||
5925dd3c | 1705 | service_set_main_pid(s, pid); |
034c6ed7 LP |
1706 | service_enter_start_post(s); |
1707 | ||
1708 | } else if (s->type == SERVICE_FORKING) { | |
1709 | ||
1710 | /* For forking services we wait until the start | |
1711 | * process exited. */ | |
1712 | ||
e55224ca | 1713 | s->control_pid = pid; |
80876c20 LP |
1714 | service_set_state(s, SERVICE_START); |
1715 | ||
34e9ba66 | 1716 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
1717 | s->type == SERVICE_DBUS || |
1718 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 1719 | |
34e9ba66 | 1720 | /* For oneshot services we wait until the start |
7d55e835 LP |
1721 | * process exited, too, but it is our main process. */ |
1722 | ||
05e343b7 | 1723 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
1724 | * but wait for the bus name to appear on the |
1725 | * bus. Notify services are similar. */ | |
05e343b7 | 1726 | |
5925dd3c | 1727 | service_set_main_pid(s, pid); |
80876c20 | 1728 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
1729 | } else |
1730 | assert_not_reached("Unknown service type"); | |
1731 | ||
1732 | return; | |
1733 | ||
1734 | fail: | |
f2341e0a | 1735 | log_unit_warning_errno(UNIT(s), r, "Failed to run 'start' task: %m"); |
f42806df | 1736 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1737 | } |
1738 | ||
1739 | static void service_enter_start_pre(Service *s) { | |
1740 | int r; | |
1741 | ||
1742 | assert(s); | |
1743 | ||
5e94833f LP |
1744 | service_unwatch_control_pid(s); |
1745 | ||
117dcc57 ZJS |
1746 | s->control_command = s->exec_command[SERVICE_EXEC_START_PRE]; |
1747 | if (s->control_command) { | |
8f53a7b8 LP |
1748 | /* Before we start anything, let's clear up what might |
1749 | * be left from previous runs. */ | |
4ad49000 | 1750 | service_kill_control_processes(s); |
8f53a7b8 | 1751 | |
867b3b7d LP |
1752 | s->control_command_id = SERVICE_EXEC_START_PRE; |
1753 | ||
ecedd90f LP |
1754 | r = service_spawn(s, |
1755 | s->control_command, | |
21b2ce39 | 1756 | s->timeout_start_usec, |
ecedd90f LP |
1757 | false, |
1758 | !s->permissions_start_only, | |
1759 | !s->root_directory_start_only, | |
1760 | true, | |
ecedd90f LP |
1761 | true, |
1762 | &s->control_pid); | |
1763 | if (r < 0) | |
034c6ed7 LP |
1764 | goto fail; |
1765 | ||
80876c20 LP |
1766 | service_set_state(s, SERVICE_START_PRE); |
1767 | } else | |
034c6ed7 LP |
1768 | service_enter_start(s); |
1769 | ||
1770 | return; | |
1771 | ||
1772 | fail: | |
f2341e0a | 1773 | log_unit_warning_errno(UNIT(s), r, "Failed to run 'start-pre' task: %m"); |
f42806df | 1774 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
1775 | } |
1776 | ||
1777 | static void service_enter_restart(Service *s) { | |
718db961 | 1778 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
034c6ed7 | 1779 | int r; |
398ef8ba | 1780 | |
034c6ed7 LP |
1781 | assert(s); |
1782 | ||
a8bb2e65 LP |
1783 | if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) { |
1784 | /* Don't restart things if we are going down anyway */ | |
f2341e0a | 1785 | log_unit_info(UNIT(s), "Stop job pending for unit, delaying automatic restart."); |
2edfa366 | 1786 | |
718db961 | 1787 | r = service_arm_timer(s, s->restart_usec); |
a8bb2e65 | 1788 | if (r < 0) |
2edfa366 | 1789 | goto fail; |
feae8adb DW |
1790 | |
1791 | return; | |
2edfa366 LP |
1792 | } |
1793 | ||
48bb5876 DW |
1794 | /* Any units that are bound to this service must also be |
1795 | * restarted. We use JOB_RESTART (instead of the more obvious | |
1796 | * JOB_START) here so that those dependency jobs will be added | |
1797 | * as well. */ | |
1798 | r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL); | |
1799 | if (r < 0) | |
034c6ed7 LP |
1800 | goto fail; |
1801 | ||
a8bb2e65 LP |
1802 | /* Note that we stay in the SERVICE_AUTO_RESTART state here, |
1803 | * it will be canceled as part of the service_stop() call that | |
1804 | * is executed as part of JOB_RESTART. */ | |
1805 | ||
f2341e0a | 1806 | log_unit_debug(UNIT(s), "Scheduled restart job."); |
034c6ed7 LP |
1807 | return; |
1808 | ||
1809 | fail: | |
f2341e0a | 1810 | log_unit_warning(UNIT(s), "Failed to schedule restart job: %s", bus_error_message(&error, -r)); |
f42806df | 1811 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1812 | } |
1813 | ||
308d72dc LP |
1814 | static void service_enter_reload_by_notify(Service *s) { |
1815 | assert(s); | |
1816 | ||
1817 | if (s->timeout_start_usec > 0) | |
1818 | service_arm_timer(s, s->timeout_start_usec); | |
1819 | ||
1820 | service_set_state(s, SERVICE_RELOAD); | |
1821 | } | |
1822 | ||
034c6ed7 LP |
1823 | static void service_enter_reload(Service *s) { |
1824 | int r; | |
1825 | ||
1826 | assert(s); | |
1827 | ||
5e94833f | 1828 | service_unwatch_control_pid(s); |
95c906ae | 1829 | s->reload_result = SERVICE_SUCCESS; |
5e94833f | 1830 | |
117dcc57 ZJS |
1831 | s->control_command = s->exec_command[SERVICE_EXEC_RELOAD]; |
1832 | if (s->control_command) { | |
867b3b7d LP |
1833 | s->control_command_id = SERVICE_EXEC_RELOAD; |
1834 | ||
ecedd90f LP |
1835 | r = service_spawn(s, |
1836 | s->control_command, | |
21b2ce39 | 1837 | s->timeout_start_usec, |
ecedd90f LP |
1838 | false, |
1839 | !s->permissions_start_only, | |
1840 | !s->root_directory_start_only, | |
1841 | false, | |
ecedd90f LP |
1842 | true, |
1843 | &s->control_pid); | |
1844 | if (r < 0) | |
034c6ed7 LP |
1845 | goto fail; |
1846 | ||
80876c20 LP |
1847 | service_set_state(s, SERVICE_RELOAD); |
1848 | } else | |
f42806df | 1849 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
1850 | |
1851 | return; | |
1852 | ||
1853 | fail: | |
f2341e0a | 1854 | log_unit_warning_errno(UNIT(s), r, "Failed to run 'reload' task: %m"); |
f42806df LP |
1855 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
1856 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
1857 | } |
1858 | ||
f42806df | 1859 | static void service_run_next_control(Service *s) { |
034c6ed7 LP |
1860 | int r; |
1861 | ||
1862 | assert(s); | |
1863 | assert(s->control_command); | |
1864 | assert(s->control_command->command_next); | |
1865 | ||
34e9ba66 | 1866 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 1867 | |
34e9ba66 | 1868 | s->control_command = s->control_command->command_next; |
5e94833f LP |
1869 | service_unwatch_control_pid(s); |
1870 | ||
ecedd90f LP |
1871 | r = service_spawn(s, |
1872 | s->control_command, | |
21b2ce39 | 1873 | IN_SET(s->state, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD) ? s->timeout_start_usec : s->timeout_stop_usec, |
ecedd90f LP |
1874 | false, |
1875 | !s->permissions_start_only, | |
1876 | !s->root_directory_start_only, | |
1877 | s->control_command_id == SERVICE_EXEC_START_PRE || | |
1878 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
ecedd90f LP |
1879 | true, |
1880 | &s->control_pid); | |
1881 | if (r < 0) | |
034c6ed7 LP |
1882 | goto fail; |
1883 | ||
1884 | return; | |
1885 | ||
1886 | fail: | |
f2341e0a | 1887 | log_unit_warning_errno(UNIT(s), r, "Failed to run next control task: %m"); |
034c6ed7 | 1888 | |
80876c20 | 1889 | if (s->state == SERVICE_START_PRE) |
f42806df | 1890 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
80876c20 | 1891 | else if (s->state == SERVICE_STOP) |
f42806df | 1892 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 1893 | else if (s->state == SERVICE_STOP_POST) |
f42806df | 1894 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
e2f3b44c | 1895 | else if (s->state == SERVICE_RELOAD) { |
f42806df LP |
1896 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
1897 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c | 1898 | } else |
f42806df | 1899 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
5cb5a6ff LP |
1900 | } |
1901 | ||
f42806df | 1902 | static void service_run_next_main(Service *s) { |
34e9ba66 LP |
1903 | pid_t pid; |
1904 | int r; | |
1905 | ||
1906 | assert(s); | |
867b3b7d LP |
1907 | assert(s->main_command); |
1908 | assert(s->main_command->command_next); | |
1909 | assert(s->type == SERVICE_ONESHOT); | |
34e9ba66 | 1910 | |
867b3b7d | 1911 | s->main_command = s->main_command->command_next; |
34e9ba66 LP |
1912 | service_unwatch_main_pid(s); |
1913 | ||
ecedd90f LP |
1914 | r = service_spawn(s, |
1915 | s->main_command, | |
21b2ce39 | 1916 | s->timeout_start_usec, |
ecedd90f LP |
1917 | true, |
1918 | true, | |
1919 | true, | |
1920 | true, | |
ecedd90f LP |
1921 | false, |
1922 | &pid); | |
1923 | if (r < 0) | |
34e9ba66 LP |
1924 | goto fail; |
1925 | ||
1926 | service_set_main_pid(s, pid); | |
1927 | ||
1928 | return; | |
1929 | ||
1930 | fail: | |
f2341e0a | 1931 | log_unit_warning_errno(UNIT(s), r, "Failed to run next main task: %m"); |
f42806df | 1932 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
34e9ba66 LP |
1933 | } |
1934 | ||
93ae25e6 MO |
1935 | static int service_start_limit_test(Service *s) { |
1936 | assert(s); | |
1937 | ||
1938 | if (ratelimit_test(&s->start_limit)) | |
1939 | return 0; | |
1940 | ||
f2341e0a | 1941 | log_unit_warning(UNIT(s), "Start request repeated too quickly."); |
2928b0a8 LP |
1942 | |
1943 | return failure_action(UNIT(s)->manager, s->start_limit_action, s->reboot_arg); | |
93ae25e6 MO |
1944 | } |
1945 | ||
87f0e418 LP |
1946 | static int service_start(Unit *u) { |
1947 | Service *s = SERVICE(u); | |
4b939747 | 1948 | int r; |
5cb5a6ff LP |
1949 | |
1950 | assert(s); | |
1951 | ||
034c6ed7 LP |
1952 | /* We cannot fulfill this request right now, try again later |
1953 | * please! */ | |
a00973af LP |
1954 | if (IN_SET(s->state, |
1955 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, | |
1956 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) | |
5cb5a6ff LP |
1957 | return -EAGAIN; |
1958 | ||
034c6ed7 | 1959 | /* Already on it! */ |
a00973af | 1960 | if (IN_SET(s->state, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST)) |
034c6ed7 LP |
1961 | return 0; |
1962 | ||
2e9d6c12 | 1963 | /* A service that will be restarted must be stopped first to |
7f2cddae | 1964 | * trigger BindsTo and/or OnFailure dependencies. If a user |
2e9d6c12 | 1965 | * does not want to wait for the holdoff time to elapse, the |
d4943dc7 LP |
1966 | * service should be manually restarted, not started. We |
1967 | * simply return EAGAIN here, so that any start jobs stay | |
1968 | * queued, and assume that the auto restart timer will | |
1969 | * eventually trigger the restart. */ | |
1970 | if (s->state == SERVICE_AUTO_RESTART) | |
a8bb2e65 | 1971 | return -EAGAIN; |
2e9d6c12 | 1972 | |
a00973af | 1973 | assert(IN_SET(s->state, SERVICE_DEAD, SERVICE_FAILED)); |
5cb5a6ff | 1974 | |
1e2e8133 | 1975 | /* Make sure we don't enter a busy loop of some kind. */ |
4b939747 | 1976 | r = service_start_limit_test(s); |
c2f34808 | 1977 | if (r < 0) { |
8d1b002a | 1978 | service_enter_dead(s, SERVICE_FAILURE_START_LIMIT, false); |
4b939747 | 1979 | return r; |
c2f34808 | 1980 | } |
1e2e8133 | 1981 | |
f42806df LP |
1982 | s->result = SERVICE_SUCCESS; |
1983 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 | 1984 | s->main_pid_known = false; |
6dfa5494 | 1985 | s->main_pid_alien = false; |
47342320 | 1986 | s->forbid_restart = false; |
5ad096b3 | 1987 | s->reset_cpu_usage = true; |
034c6ed7 | 1988 | |
a1e58e8e | 1989 | s->status_text = mfree(s->status_text); |
8cfdb077 LP |
1990 | s->status_errno = 0; |
1991 | ||
308d72dc LP |
1992 | s->notify_state = NOTIFY_UNKNOWN; |
1993 | ||
034c6ed7 | 1994 | service_enter_start_pre(s); |
82a2b6bb | 1995 | return 1; |
5cb5a6ff LP |
1996 | } |
1997 | ||
87f0e418 LP |
1998 | static int service_stop(Unit *u) { |
1999 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2000 | |
2001 | assert(s); | |
2002 | ||
a509f0e6 | 2003 | /* Don't create restart jobs from manual stops. */ |
47342320 | 2004 | s->forbid_restart = true; |
034c6ed7 | 2005 | |
e537352b | 2006 | /* Already on it */ |
a00973af LP |
2007 | if (IN_SET(s->state, |
2008 | SERVICE_STOP, SERVICE_STOP_SIGABRT, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, | |
2009 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) | |
e537352b LP |
2010 | return 0; |
2011 | ||
f0c7b229 | 2012 | /* A restart will be scheduled or is in progress. */ |
034c6ed7 | 2013 | if (s->state == SERVICE_AUTO_RESTART) { |
0c7f15b3 | 2014 | service_set_state(s, SERVICE_DEAD); |
034c6ed7 LP |
2015 | return 0; |
2016 | } | |
2017 | ||
3f6c78dc LP |
2018 | /* If there's already something running we go directly into |
2019 | * kill mode. */ | |
a00973af | 2020 | if (IN_SET(s->state, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RELOAD)) { |
f42806df | 2021 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
3f6c78dc LP |
2022 | return 0; |
2023 | } | |
5cb5a6ff | 2024 | |
a00973af | 2025 | assert(IN_SET(s->state, SERVICE_RUNNING, SERVICE_EXITED)); |
3a762661 | 2026 | |
f42806df | 2027 | service_enter_stop(s, SERVICE_SUCCESS); |
82a2b6bb | 2028 | return 1; |
5cb5a6ff LP |
2029 | } |
2030 | ||
87f0e418 LP |
2031 | static int service_reload(Unit *u) { |
2032 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2033 | |
2034 | assert(s); | |
2035 | ||
80876c20 | 2036 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2037 | |
2038 | service_enter_reload(s); | |
2d018ae2 | 2039 | return 1; |
5cb5a6ff LP |
2040 | } |
2041 | ||
44a6b1b6 | 2042 | _pure_ static bool service_can_reload(Unit *u) { |
87f0e418 | 2043 | Service *s = SERVICE(u); |
034c6ed7 LP |
2044 | |
2045 | assert(s); | |
2046 | ||
2047 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2048 | } | |
2049 | ||
a16e1123 LP |
2050 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2051 | Service *s = SERVICE(u); | |
2339fc93 | 2052 | ServiceFDStore *fs; |
a34ceba6 | 2053 | int r; |
a16e1123 LP |
2054 | |
2055 | assert(u); | |
2056 | assert(f); | |
2057 | assert(fds); | |
2058 | ||
2059 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
f42806df LP |
2060 | unit_serialize_item(u, f, "result", service_result_to_string(s->result)); |
2061 | unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); | |
a16e1123 LP |
2062 | |
2063 | if (s->control_pid > 0) | |
f06db334 | 2064 | unit_serialize_item_format(u, f, "control-pid", PID_FMT, s->control_pid); |
a16e1123 | 2065 | |
5925dd3c | 2066 | if (s->main_pid_known && s->main_pid > 0) |
ccd06097 | 2067 | unit_serialize_item_format(u, f, "main-pid", PID_FMT, s->main_pid); |
a16e1123 LP |
2068 | |
2069 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
de1d4f9b | 2070 | unit_serialize_item(u, f, "bus-name-good", yes_no(s->bus_name_good)); |
a16e1123 | 2071 | |
a34ceba6 LP |
2072 | r = unit_serialize_item_escaped(u, f, "status-text", s->status_text); |
2073 | if (r < 0) | |
2074 | return r; | |
3a2776bc | 2075 | |
cfc4eb4c LP |
2076 | /* FIXME: There's a minor uncleanliness here: if there are |
2077 | * multiple commands attached here, we will start from the | |
2078 | * first one again */ | |
a16e1123 | 2079 | if (s->control_command_id >= 0) |
f06db334 | 2080 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 | 2081 | |
a34ceba6 LP |
2082 | r = unit_serialize_item_fd(u, f, fds, "stdin-fd", s->stdin_fd); |
2083 | if (r < 0) | |
2084 | return r; | |
2085 | r = unit_serialize_item_fd(u, f, fds, "stdout-fd", s->stdout_fd); | |
2086 | if (r < 0) | |
2087 | return r; | |
2088 | r = unit_serialize_item_fd(u, f, fds, "stderr-fd", s->stderr_fd); | |
2089 | if (r < 0) | |
2090 | return r; | |
e44da745 | 2091 | |
a34ceba6 LP |
2092 | r = unit_serialize_item_fd(u, f, fds, "socket-fd", s->socket_fd); |
2093 | if (r < 0) | |
2094 | return r; | |
2095 | r = unit_serialize_item_fd(u, f, fds, "endpoint-fd", s->bus_endpoint_fd); | |
2096 | if (r < 0) | |
2097 | return r; | |
e44da745 | 2098 | |
2339fc93 | 2099 | LIST_FOREACH(fd_store, fs, s->fd_store) { |
8dd4c05b | 2100 | _cleanup_free_ char *c = NULL; |
2339fc93 LP |
2101 | int copy; |
2102 | ||
2103 | copy = fdset_put_dup(fds, fs->fd); | |
2104 | if (copy < 0) | |
2105 | return copy; | |
2106 | ||
8dd4c05b LP |
2107 | c = cescape(fs->fdname); |
2108 | ||
2109 | unit_serialize_item_format(u, f, "fd-store-fd", "%i %s", copy, strempty(c)); | |
2339fc93 LP |
2110 | } |
2111 | ||
ecdbca40 | 2112 | if (s->main_exec_status.pid > 0) { |
f06db334 LP |
2113 | unit_serialize_item_format(u, f, "main-exec-status-pid", PID_FMT, s->main_exec_status.pid); |
2114 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); | |
2115 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2116 | |
799fd0fd | 2117 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
f06db334 LP |
2118 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2119 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
ecdbca40 LP |
2120 | } |
2121 | } | |
f06db334 | 2122 | |
a6927d7f | 2123 | if (dual_timestamp_is_set(&s->watchdog_timestamp)) |
842129f5 | 2124 | dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp); |
ecdbca40 | 2125 | |
a34ceba6 | 2126 | unit_serialize_item(u, f, "forbid-restart", yes_no(s->forbid_restart)); |
6aca9a58 | 2127 | |
a16e1123 LP |
2128 | return 0; |
2129 | } | |
2130 | ||
2131 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2132 | Service *s = SERVICE(u); | |
2339fc93 | 2133 | int r; |
a16e1123 LP |
2134 | |
2135 | assert(u); | |
2136 | assert(key); | |
2137 | assert(value); | |
2138 | assert(fds); | |
2139 | ||
2140 | if (streq(key, "state")) { | |
2141 | ServiceState state; | |
2142 | ||
117dcc57 ZJS |
2143 | state = service_state_from_string(value); |
2144 | if (state < 0) | |
f2341e0a | 2145 | log_unit_debug(u, "Failed to parse state value: %s", value); |
a16e1123 LP |
2146 | else |
2147 | s->deserialized_state = state; | |
f42806df LP |
2148 | } else if (streq(key, "result")) { |
2149 | ServiceResult f; | |
2150 | ||
2151 | f = service_result_from_string(value); | |
2152 | if (f < 0) | |
f2341e0a | 2153 | log_unit_debug(u, "Failed to parse result value: %s", value); |
f42806df LP |
2154 | else if (f != SERVICE_SUCCESS) |
2155 | s->result = f; | |
2156 | ||
2157 | } else if (streq(key, "reload-result")) { | |
2158 | ServiceResult f; | |
2159 | ||
2160 | f = service_result_from_string(value); | |
2161 | if (f < 0) | |
f2341e0a | 2162 | log_unit_debug(u, "Failed to parse reload result value: %s", value); |
f42806df LP |
2163 | else if (f != SERVICE_SUCCESS) |
2164 | s->reload_result = f; | |
a16e1123 | 2165 | |
a16e1123 | 2166 | } else if (streq(key, "control-pid")) { |
5925dd3c | 2167 | pid_t pid; |
a16e1123 | 2168 | |
e364ad06 | 2169 | if (parse_pid(value, &pid) < 0) |
f2341e0a | 2170 | log_unit_debug(u, "Failed to parse control-pid value: %s", value); |
a16e1123 | 2171 | else |
e55224ca | 2172 | s->control_pid = pid; |
a16e1123 | 2173 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2174 | pid_t pid; |
a16e1123 | 2175 | |
e364ad06 | 2176 | if (parse_pid(value, &pid) < 0) |
f2341e0a | 2177 | log_unit_debug(u, "Failed to parse main-pid value: %s", value); |
7400b9d2 LP |
2178 | else { |
2179 | service_set_main_pid(s, pid); | |
2180 | unit_watch_pid(UNIT(s), pid); | |
2181 | } | |
a16e1123 LP |
2182 | } else if (streq(key, "main-pid-known")) { |
2183 | int b; | |
2184 | ||
117dcc57 ZJS |
2185 | b = parse_boolean(value); |
2186 | if (b < 0) | |
f2341e0a | 2187 | log_unit_debug(u, "Failed to parse main-pid-known value: %s", value); |
a16e1123 LP |
2188 | else |
2189 | s->main_pid_known = b; | |
de1d4f9b WF |
2190 | } else if (streq(key, "bus-name-good")) { |
2191 | int b; | |
2192 | ||
2193 | b = parse_boolean(value); | |
2194 | if (b < 0) | |
2195 | log_unit_debug(u, "Failed to parse bus-name-good value: %s", value); | |
2196 | else | |
2197 | s->bus_name_good = b; | |
3a2776bc LP |
2198 | } else if (streq(key, "status-text")) { |
2199 | char *t; | |
2200 | ||
f2341e0a LP |
2201 | r = cunescape(value, 0, &t); |
2202 | if (r < 0) | |
2203 | log_unit_debug_errno(u, r, "Failed to unescape status text: %s", value); | |
117dcc57 | 2204 | else { |
3a2776bc LP |
2205 | free(s->status_text); |
2206 | s->status_text = t; | |
2207 | } | |
2208 | ||
a16e1123 LP |
2209 | } else if (streq(key, "control-command")) { |
2210 | ServiceExecCommand id; | |
2211 | ||
117dcc57 ZJS |
2212 | id = service_exec_command_from_string(value); |
2213 | if (id < 0) | |
f2341e0a | 2214 | log_unit_debug(u, "Failed to parse exec-command value: %s", value); |
a16e1123 LP |
2215 | else { |
2216 | s->control_command_id = id; | |
2217 | s->control_command = s->exec_command[id]; | |
2218 | } | |
2219 | } else if (streq(key, "socket-fd")) { | |
2220 | int fd; | |
2221 | ||
2222 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
f2341e0a | 2223 | log_unit_debug(u, "Failed to parse socket-fd value: %s", value); |
a16e1123 | 2224 | else { |
574634bc | 2225 | asynchronous_close(s->socket_fd); |
a16e1123 LP |
2226 | s->socket_fd = fdset_remove(fds, fd); |
2227 | } | |
e44da745 DM |
2228 | } else if (streq(key, "endpoint-fd")) { |
2229 | int fd; | |
2230 | ||
2231 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
f2341e0a | 2232 | log_unit_debug(u, "Failed to parse endpoint-fd value: %s", value); |
e44da745 DM |
2233 | else { |
2234 | safe_close(s->bus_endpoint_fd); | |
2235 | s->bus_endpoint_fd = fdset_remove(fds, fd); | |
2236 | } | |
2339fc93 | 2237 | } else if (streq(key, "fd-store-fd")) { |
8dd4c05b LP |
2238 | const char *fdv; |
2239 | size_t pf; | |
2339fc93 LP |
2240 | int fd; |
2241 | ||
8dd4c05b LP |
2242 | pf = strcspn(value, WHITESPACE); |
2243 | fdv = strndupa(value, pf); | |
2244 | ||
2245 | if (safe_atoi(fdv, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
f2341e0a | 2246 | log_unit_debug(u, "Failed to parse fd-store-fd value: %s", value); |
2339fc93 | 2247 | else { |
8dd4c05b LP |
2248 | _cleanup_free_ char *t = NULL; |
2249 | const char *fdn; | |
2250 | ||
2251 | fdn = value + pf; | |
2252 | fdn += strspn(fdn, WHITESPACE); | |
2253 | (void) cunescape(fdn, 0, &t); | |
2254 | ||
2255 | r = service_add_fd_store(s, fd, t); | |
2339fc93 | 2256 | if (r < 0) |
f2341e0a | 2257 | log_unit_error_errno(u, r, "Failed to add fd to store: %m"); |
2339fc93 LP |
2258 | else if (r > 0) |
2259 | fdset_remove(fds, fd); | |
2260 | } | |
2261 | ||
ecdbca40 LP |
2262 | } else if (streq(key, "main-exec-status-pid")) { |
2263 | pid_t pid; | |
2264 | ||
e364ad06 | 2265 | if (parse_pid(value, &pid) < 0) |
f2341e0a | 2266 | log_unit_debug(u, "Failed to parse main-exec-status-pid value: %s", value); |
ecdbca40 LP |
2267 | else |
2268 | s->main_exec_status.pid = pid; | |
2269 | } else if (streq(key, "main-exec-status-code")) { | |
2270 | int i; | |
2271 | ||
e364ad06 | 2272 | if (safe_atoi(value, &i) < 0) |
f2341e0a | 2273 | log_unit_debug(u, "Failed to parse main-exec-status-code value: %s", value); |
ecdbca40 LP |
2274 | else |
2275 | s->main_exec_status.code = i; | |
2276 | } else if (streq(key, "main-exec-status-status")) { | |
2277 | int i; | |
2278 | ||
e364ad06 | 2279 | if (safe_atoi(value, &i) < 0) |
f2341e0a | 2280 | log_unit_debug(u, "Failed to parse main-exec-status-status value: %s", value); |
ecdbca40 LP |
2281 | else |
2282 | s->main_exec_status.status = i; | |
799fd0fd LP |
2283 | } else if (streq(key, "main-exec-status-start")) |
2284 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2285 | else if (streq(key, "main-exec-status-exit")) | |
2286 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
a6927d7f MO |
2287 | else if (streq(key, "watchdog-timestamp")) |
2288 | dual_timestamp_deserialize(value, &s->watchdog_timestamp); | |
613b411c | 2289 | else if (streq(key, "forbid-restart")) { |
6aca9a58 SE |
2290 | int b; |
2291 | ||
2292 | b = parse_boolean(value); | |
2293 | if (b < 0) | |
f2341e0a | 2294 | log_unit_debug(u, "Failed to parse forbid-restart value: %s", value); |
6aca9a58 SE |
2295 | else |
2296 | s->forbid_restart = b; | |
a34ceba6 LP |
2297 | } else if (streq(key, "stdin-fd")) { |
2298 | int fd; | |
2299 | ||
2300 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2301 | log_unit_debug(u, "Failed to parse stdin-fd value: %s", value); | |
2302 | else { | |
2303 | asynchronous_close(s->stdin_fd); | |
2304 | s->stdin_fd = fdset_remove(fds, fd); | |
2305 | } | |
2306 | } else if (streq(key, "stdout-fd")) { | |
2307 | int fd; | |
2308 | ||
2309 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2310 | log_unit_debug(u, "Failed to parse stdout-fd value: %s", value); | |
2311 | else { | |
2312 | asynchronous_close(s->stdout_fd); | |
2313 | s->stdout_fd = fdset_remove(fds, fd); | |
2314 | } | |
2315 | } else if (streq(key, "stderr-fd")) { | |
2316 | int fd; | |
2317 | ||
2318 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2319 | log_unit_debug(u, "Failed to parse stderr-fd value: %s", value); | |
2320 | else { | |
2321 | asynchronous_close(s->stderr_fd); | |
2322 | s->stderr_fd = fdset_remove(fds, fd); | |
2323 | } | |
c17ec25e | 2324 | } else |
f2341e0a | 2325 | log_unit_debug(u, "Unknown serialization key: %s", key); |
a16e1123 LP |
2326 | |
2327 | return 0; | |
2328 | } | |
2329 | ||
44a6b1b6 | 2330 | _pure_ static UnitActiveState service_active_state(Unit *u) { |
e056b01d LP |
2331 | const UnitActiveState *table; |
2332 | ||
87f0e418 | 2333 | assert(u); |
5cb5a6ff | 2334 | |
e056b01d LP |
2335 | table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
2336 | ||
2337 | return table[SERVICE(u)->state]; | |
034c6ed7 LP |
2338 | } |
2339 | ||
10a94420 LP |
2340 | static const char *service_sub_state_to_string(Unit *u) { |
2341 | assert(u); | |
2342 | ||
2343 | return service_state_to_string(SERVICE(u)->state); | |
2344 | } | |
2345 | ||
701cc384 LP |
2346 | static bool service_check_gc(Unit *u) { |
2347 | Service *s = SERVICE(u); | |
2348 | ||
2349 | assert(s); | |
2350 | ||
6d55002a LP |
2351 | /* Never clean up services that still have a process around, |
2352 | * even if the service is formally dead. */ | |
2353 | if (cgroup_good(s) > 0 || | |
2354 | main_pid_good(s) > 0 || | |
2355 | control_pid_good(s) > 0) | |
2356 | return true; | |
2357 | ||
6d55002a LP |
2358 | return false; |
2359 | } | |
2360 | ||
44a6b1b6 | 2361 | _pure_ static bool service_check_snapshot(Unit *u) { |
701cc384 LP |
2362 | Service *s = SERVICE(u); |
2363 | ||
2364 | assert(s); | |
2365 | ||
8bb2d17d | 2366 | return s->socket_fd < 0; |
701cc384 LP |
2367 | } |
2368 | ||
3a111838 MS |
2369 | static int service_retry_pid_file(Service *s) { |
2370 | int r; | |
2371 | ||
2372 | assert(s->pid_file); | |
2373 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2374 | ||
2375 | r = service_load_pid_file(s, false); | |
2376 | if (r < 0) | |
2377 | return r; | |
2378 | ||
2379 | service_unwatch_pid_file(s); | |
2380 | ||
f42806df | 2381 | service_enter_running(s, SERVICE_SUCCESS); |
3a111838 MS |
2382 | return 0; |
2383 | } | |
2384 | ||
2385 | static int service_watch_pid_file(Service *s) { | |
2386 | int r; | |
2387 | ||
f2341e0a | 2388 | log_unit_debug(UNIT(s), "Setting watch for PID file %s", s->pid_file_pathspec->path); |
8bb2d17d | 2389 | |
718db961 | 2390 | r = path_spec_watch(s->pid_file_pathspec, service_dispatch_io); |
3a111838 MS |
2391 | if (r < 0) |
2392 | goto fail; | |
2393 | ||
2394 | /* the pidfile might have appeared just before we set the watch */ | |
f2341e0a | 2395 | log_unit_debug(UNIT(s), "Trying to read PID file %s in case it changed", s->pid_file_pathspec->path); |
3a111838 MS |
2396 | service_retry_pid_file(s); |
2397 | ||
2398 | return 0; | |
2399 | fail: | |
f2341e0a | 2400 | log_unit_error_errno(UNIT(s), r, "Failed to set a watch for PID file %s: %m", s->pid_file_pathspec->path); |
3a111838 MS |
2401 | service_unwatch_pid_file(s); |
2402 | return r; | |
2403 | } | |
2404 | ||
2405 | static int service_demand_pid_file(Service *s) { | |
2406 | PathSpec *ps; | |
2407 | ||
2408 | assert(s->pid_file); | |
2409 | assert(!s->pid_file_pathspec); | |
2410 | ||
2411 | ps = new0(PathSpec, 1); | |
2412 | if (!ps) | |
2413 | return -ENOMEM; | |
2414 | ||
718db961 | 2415 | ps->unit = UNIT(s); |
3a111838 MS |
2416 | ps->path = strdup(s->pid_file); |
2417 | if (!ps->path) { | |
2418 | free(ps); | |
2419 | return -ENOMEM; | |
2420 | } | |
2421 | ||
2422 | path_kill_slashes(ps->path); | |
2423 | ||
2424 | /* PATH_CHANGED would not be enough. There are daemons (sendmail) that | |
2425 | * keep their PID file open all the time. */ | |
2426 | ps->type = PATH_MODIFIED; | |
2427 | ps->inotify_fd = -1; | |
2428 | ||
2429 | s->pid_file_pathspec = ps; | |
2430 | ||
2431 | return service_watch_pid_file(s); | |
2432 | } | |
2433 | ||
718db961 | 2434 | static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events, void *userdata) { |
e14c2802 LP |
2435 | PathSpec *p = userdata; |
2436 | Service *s; | |
2437 | ||
2438 | assert(p); | |
2439 | ||
2440 | s = SERVICE(p->unit); | |
3a111838 MS |
2441 | |
2442 | assert(s); | |
2443 | assert(fd >= 0); | |
2444 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2445 | assert(s->pid_file_pathspec); | |
57020a3a | 2446 | assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd)); |
3a111838 | 2447 | |
f2341e0a | 2448 | log_unit_debug(UNIT(s), "inotify event"); |
3a111838 | 2449 | |
e14c2802 | 2450 | if (path_spec_fd_event(p, events) < 0) |
3a111838 MS |
2451 | goto fail; |
2452 | ||
2453 | if (service_retry_pid_file(s) == 0) | |
718db961 | 2454 | return 0; |
3a111838 MS |
2455 | |
2456 | if (service_watch_pid_file(s) < 0) | |
2457 | goto fail; | |
2458 | ||
718db961 LP |
2459 | return 0; |
2460 | ||
3a111838 MS |
2461 | fail: |
2462 | service_unwatch_pid_file(s); | |
f42806df | 2463 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
718db961 | 2464 | return 0; |
3a111838 MS |
2465 | } |
2466 | ||
a911bb9a LP |
2467 | static void service_notify_cgroup_empty_event(Unit *u) { |
2468 | Service *s = SERVICE(u); | |
2469 | ||
2470 | assert(u); | |
2471 | ||
f2341e0a | 2472 | log_unit_debug(u, "cgroup is empty"); |
a911bb9a LP |
2473 | |
2474 | switch (s->state) { | |
2475 | ||
2476 | /* Waiting for SIGCHLD is usually more interesting, | |
2477 | * because it includes return codes/signals. Which is | |
2478 | * why we ignore the cgroup events for most cases, | |
2479 | * except when we don't know pid which to expect the | |
2480 | * SIGCHLD for. */ | |
2481 | ||
2482 | case SERVICE_START: | |
2483 | case SERVICE_START_POST: | |
2484 | /* If we were hoping for the daemon to write its PID file, | |
2485 | * we can give up now. */ | |
2486 | if (s->pid_file_pathspec) { | |
f2341e0a | 2487 | log_unit_warning(u, "Daemon never wrote its PID file. Failing."); |
8bb2d17d | 2488 | |
a911bb9a LP |
2489 | service_unwatch_pid_file(s); |
2490 | if (s->state == SERVICE_START) | |
2491 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); | |
2492 | else | |
2493 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); | |
2494 | } | |
2495 | break; | |
2496 | ||
2497 | case SERVICE_RUNNING: | |
2498 | /* service_enter_running() will figure out what to do */ | |
2499 | service_enter_running(s, SERVICE_SUCCESS); | |
2500 | break; | |
2501 | ||
db2cb23b | 2502 | case SERVICE_STOP_SIGABRT: |
a911bb9a LP |
2503 | case SERVICE_STOP_SIGTERM: |
2504 | case SERVICE_STOP_SIGKILL: | |
2505 | ||
2506 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2507 | service_enter_stop_post(s, SERVICE_SUCCESS); | |
2508 | ||
2509 | break; | |
2510 | ||
2511 | case SERVICE_STOP_POST: | |
2512 | case SERVICE_FINAL_SIGTERM: | |
2513 | case SERVICE_FINAL_SIGKILL: | |
2514 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2515 | service_enter_dead(s, SERVICE_SUCCESS, true); | |
2516 | ||
2517 | break; | |
2518 | ||
2519 | default: | |
2520 | ; | |
2521 | } | |
2522 | } | |
2523 | ||
87f0e418 LP |
2524 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2525 | Service *s = SERVICE(u); | |
f42806df | 2526 | ServiceResult f; |
5cb5a6ff LP |
2527 | |
2528 | assert(s); | |
034c6ed7 LP |
2529 | assert(pid >= 0); |
2530 | ||
96342de6 LN |
2531 | if (UNIT(s)->fragment_path ? is_clean_exit(code, status, &s->success_status) : |
2532 | is_clean_exit_lsb(code, status, &s->success_status)) | |
f42806df LP |
2533 | f = SERVICE_SUCCESS; |
2534 | else if (code == CLD_EXITED) | |
2535 | f = SERVICE_FAILURE_EXIT_CODE; | |
2536 | else if (code == CLD_KILLED) | |
2537 | f = SERVICE_FAILURE_SIGNAL; | |
2538 | else if (code == CLD_DUMPED) | |
2539 | f = SERVICE_FAILURE_CORE_DUMP; | |
d06dacd0 | 2540 | else |
cfc4eb4c | 2541 | assert_not_reached("Unknown code"); |
034c6ed7 LP |
2542 | |
2543 | if (s->main_pid == pid) { | |
db01f8b3 MS |
2544 | /* Forking services may occasionally move to a new PID. |
2545 | * As long as they update the PID file before exiting the old | |
2546 | * PID, they're fine. */ | |
5375410b | 2547 | if (service_load_pid_file(s, false) == 0) |
db01f8b3 | 2548 | return; |
034c6ed7 | 2549 | |
034c6ed7 | 2550 | s->main_pid = 0; |
6ea832a2 | 2551 | exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status); |
034c6ed7 | 2552 | |
867b3b7d | 2553 | if (s->main_command) { |
fbeefb45 LP |
2554 | /* If this is not a forking service than the |
2555 | * main process got started and hence we copy | |
2556 | * the exit status so that it is recorded both | |
2557 | * as main and as control process exit | |
2558 | * status */ | |
2559 | ||
867b3b7d | 2560 | s->main_command->exec_status = s->main_exec_status; |
b708e7ce | 2561 | |
867b3b7d | 2562 | if (s->main_command->ignore) |
f42806df | 2563 | f = SERVICE_SUCCESS; |
fbeefb45 LP |
2564 | } else if (s->exec_command[SERVICE_EXEC_START]) { |
2565 | ||
2566 | /* If this is a forked process, then we should | |
2567 | * ignore the return value if this was | |
2568 | * configured for the starter process */ | |
2569 | ||
2570 | if (s->exec_command[SERVICE_EXEC_START]->ignore) | |
2571 | f = SERVICE_SUCCESS; | |
034c6ed7 LP |
2572 | } |
2573 | ||
f2341e0a LP |
2574 | log_struct(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
2575 | LOG_UNIT_ID(u), | |
2576 | LOG_UNIT_MESSAGE(u, "Main process exited, code=%s, status=%i/%s", | |
2577 | sigchld_code_to_string(code), status, | |
e2cc6eca LP |
2578 | strna(code == CLD_EXITED |
2579 | ? exit_status_to_string(status, EXIT_STATUS_FULL) | |
2580 | : signal_to_string(status))), | |
f2341e0a LP |
2581 | "EXIT_CODE=%s", sigchld_code_to_string(code), |
2582 | "EXIT_STATUS=%i", status, | |
2583 | NULL); | |
f42806df LP |
2584 | |
2585 | if (f != SERVICE_SUCCESS) | |
2586 | s->result = f; | |
034c6ed7 | 2587 | |
867b3b7d LP |
2588 | if (s->main_command && |
2589 | s->main_command->command_next && | |
f42806df | 2590 | f == SERVICE_SUCCESS) { |
034c6ed7 | 2591 | |
34e9ba66 LP |
2592 | /* There is another command to * |
2593 | * execute, so let's do that. */ | |
034c6ed7 | 2594 | |
f2341e0a | 2595 | log_unit_debug(u, "Running next main command for state %s.", service_state_to_string(s->state)); |
f42806df | 2596 | service_run_next_main(s); |
034c6ed7 | 2597 | |
34e9ba66 LP |
2598 | } else { |
2599 | ||
2600 | /* The service exited, so the service is officially | |
2601 | * gone. */ | |
867b3b7d | 2602 | s->main_command = NULL; |
34e9ba66 LP |
2603 | |
2604 | switch (s->state) { | |
2605 | ||
2606 | case SERVICE_START_POST: | |
2607 | case SERVICE_RELOAD: | |
2608 | case SERVICE_STOP: | |
2609 | /* Need to wait until the operation is | |
2610 | * done */ | |
c4653a4d | 2611 | break; |
7d55e835 | 2612 | |
34e9ba66 LP |
2613 | case SERVICE_START: |
2614 | if (s->type == SERVICE_ONESHOT) { | |
2615 | /* This was our main goal, so let's go on */ | |
f42806df | 2616 | if (f == SERVICE_SUCCESS) |
34e9ba66 LP |
2617 | service_enter_start_post(s); |
2618 | else | |
f42806df | 2619 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
34e9ba66 | 2620 | break; |
34e9ba66 | 2621 | } |
034c6ed7 | 2622 | |
bfba3256 LP |
2623 | /* Fall through */ |
2624 | ||
34e9ba66 | 2625 | case SERVICE_RUNNING: |
f42806df | 2626 | service_enter_running(s, f); |
34e9ba66 | 2627 | break; |
034c6ed7 | 2628 | |
db2cb23b | 2629 | case SERVICE_STOP_SIGABRT: |
34e9ba66 LP |
2630 | case SERVICE_STOP_SIGTERM: |
2631 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2632 | |
34e9ba66 | 2633 | if (!control_pid_good(s)) |
f42806df | 2634 | service_enter_stop_post(s, f); |
5cb5a6ff | 2635 | |
34e9ba66 LP |
2636 | /* If there is still a control process, wait for that first */ |
2637 | break; | |
2638 | ||
bf108e55 LP |
2639 | case SERVICE_STOP_POST: |
2640 | case SERVICE_FINAL_SIGTERM: | |
2641 | case SERVICE_FINAL_SIGKILL: | |
2642 | ||
2643 | if (!control_pid_good(s)) | |
2644 | service_enter_dead(s, f, true); | |
2645 | break; | |
2646 | ||
34e9ba66 LP |
2647 | default: |
2648 | assert_not_reached("Uh, main process died at wrong time."); | |
2649 | } | |
034c6ed7 | 2650 | } |
5cb5a6ff | 2651 | |
034c6ed7 | 2652 | } else if (s->control_pid == pid) { |
34e9ba66 LP |
2653 | s->control_pid = 0; |
2654 | ||
b708e7ce | 2655 | if (s->control_command) { |
8bb2d17d | 2656 | exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status); |
a16e1123 | 2657 | |
b708e7ce | 2658 | if (s->control_command->ignore) |
f42806df | 2659 | f = SERVICE_SUCCESS; |
b708e7ce LP |
2660 | } |
2661 | ||
f2341e0a LP |
2662 | log_unit_full(u, f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, 0, |
2663 | "Control process exited, code=%s status=%i", | |
2664 | sigchld_code_to_string(code), status); | |
f42806df LP |
2665 | |
2666 | if (f != SERVICE_SUCCESS) | |
2667 | s->result = f; | |
034c6ed7 | 2668 | |
88f3e0c9 LP |
2669 | /* Immediately get rid of the cgroup, so that the |
2670 | * kernel doesn't delay the cgroup empty messages for | |
2671 | * the service cgroup any longer than necessary */ | |
4ad49000 | 2672 | service_kill_control_processes(s); |
88f3e0c9 | 2673 | |
34e9ba66 LP |
2674 | if (s->control_command && |
2675 | s->control_command->command_next && | |
f42806df | 2676 | f == SERVICE_SUCCESS) { |
034c6ed7 LP |
2677 | |
2678 | /* There is another command to * | |
2679 | * execute, so let's do that. */ | |
2680 | ||
f2341e0a | 2681 | log_unit_debug(u, "Running next control command for state %s.", service_state_to_string(s->state)); |
f42806df | 2682 | service_run_next_control(s); |
034c6ed7 | 2683 | |
80876c20 | 2684 | } else { |
034c6ed7 LP |
2685 | /* No further commands for this step, so let's |
2686 | * figure out what to do next */ | |
2687 | ||
a16e1123 LP |
2688 | s->control_command = NULL; |
2689 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2690 | ||
f2341e0a | 2691 | log_unit_debug(u, "Got final SIGCHLD for state %s.", service_state_to_string(s->state)); |
bd982a8b | 2692 | |
034c6ed7 LP |
2693 | switch (s->state) { |
2694 | ||
2695 | case SERVICE_START_PRE: | |
f42806df | 2696 | if (f == SERVICE_SUCCESS) |
034c6ed7 LP |
2697 | service_enter_start(s); |
2698 | else | |
f42806df | 2699 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
034c6ed7 LP |
2700 | break; |
2701 | ||
2702 | case SERVICE_START: | |
bfba3256 LP |
2703 | if (s->type != SERVICE_FORKING) |
2704 | /* Maybe spurious event due to a reload that changed the type? */ | |
2705 | break; | |
034c6ed7 | 2706 | |
f42806df LP |
2707 | if (f != SERVICE_SUCCESS) { |
2708 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); | |
3a111838 MS |
2709 | break; |
2710 | } | |
034c6ed7 | 2711 | |
3a111838 | 2712 | if (s->pid_file) { |
f42806df LP |
2713 | bool has_start_post; |
2714 | int r; | |
2715 | ||
3a111838 MS |
2716 | /* Let's try to load the pid file here if we can. |
2717 | * The PID file might actually be created by a START_POST | |
2718 | * script. In that case don't worry if the loading fails. */ | |
f42806df LP |
2719 | |
2720 | has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; | |
2721 | r = service_load_pid_file(s, !has_start_post); | |
3a111838 MS |
2722 | if (!has_start_post && r < 0) { |
2723 | r = service_demand_pid_file(s); | |
2724 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 2725 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
2726 | break; |
2727 | } | |
034c6ed7 | 2728 | } else |
efdb0237 | 2729 | (void) service_search_main_pid(s); |
034c6ed7 | 2730 | |
3a111838 | 2731 | service_enter_start_post(s); |
034c6ed7 LP |
2732 | break; |
2733 | ||
2734 | case SERVICE_START_POST: | |
f42806df LP |
2735 | if (f != SERVICE_SUCCESS) { |
2736 | service_enter_stop(s, f); | |
2096e009 | 2737 | break; |
034c6ed7 LP |
2738 | } |
2739 | ||
2096e009 | 2740 | if (s->pid_file) { |
f42806df LP |
2741 | int r; |
2742 | ||
2743 | r = service_load_pid_file(s, true); | |
2096e009 MS |
2744 | if (r < 0) { |
2745 | r = service_demand_pid_file(s); | |
2746 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 2747 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
2096e009 MS |
2748 | break; |
2749 | } | |
2750 | } else | |
efdb0237 | 2751 | (void) service_search_main_pid(s); |
2096e009 | 2752 | |
f42806df | 2753 | service_enter_running(s, SERVICE_SUCCESS); |
3185a36b | 2754 | break; |
034c6ed7 LP |
2755 | |
2756 | case SERVICE_RELOAD: | |
f42806df | 2757 | if (f == SERVICE_SUCCESS) { |
5375410b | 2758 | service_load_pid_file(s, true); |
efdb0237 | 2759 | (void) service_search_main_pid(s); |
3185a36b LP |
2760 | } |
2761 | ||
f42806df LP |
2762 | s->reload_result = f; |
2763 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
2764 | break; |
2765 | ||
2766 | case SERVICE_STOP: | |
f42806df | 2767 | service_enter_signal(s, SERVICE_STOP_SIGTERM, f); |
034c6ed7 LP |
2768 | break; |
2769 | ||
db2cb23b | 2770 | case SERVICE_STOP_SIGABRT: |
034c6ed7 LP |
2771 | case SERVICE_STOP_SIGTERM: |
2772 | case SERVICE_STOP_SIGKILL: | |
2773 | if (main_pid_good(s) <= 0) | |
f42806df | 2774 | service_enter_stop_post(s, f); |
034c6ed7 LP |
2775 | |
2776 | /* If there is still a service | |
2777 | * process around, wait until | |
2778 | * that one quit, too */ | |
2779 | break; | |
2780 | ||
2781 | case SERVICE_STOP_POST: | |
2782 | case SERVICE_FINAL_SIGTERM: | |
2783 | case SERVICE_FINAL_SIGKILL: | |
bf108e55 LP |
2784 | if (main_pid_good(s) <= 0) |
2785 | service_enter_dead(s, f, true); | |
034c6ed7 LP |
2786 | break; |
2787 | ||
2788 | default: | |
2789 | assert_not_reached("Uh, control process died at wrong time."); | |
2790 | } | |
2791 | } | |
8c47c732 | 2792 | } |
c4e2ceae LP |
2793 | |
2794 | /* Notify clients about changed exit status */ | |
2795 | unit_add_to_dbus_queue(u); | |
a911bb9a LP |
2796 | |
2797 | /* We got one SIGCHLD for the service, let's watch all | |
2798 | * processes that are now running of the service, and watch | |
2799 | * that. Among the PIDs we then watch will be children | |
2800 | * reassigned to us, which hopefully allows us to identify | |
2801 | * when all children are gone */ | |
2802 | unit_tidy_watch_pids(u, s->main_pid, s->control_pid); | |
2803 | unit_watch_all_pids(u); | |
2804 | ||
2805 | /* If the PID set is empty now, then let's finish this off */ | |
2806 | if (set_isempty(u->pids)) | |
2807 | service_notify_cgroup_empty_event(u); | |
034c6ed7 LP |
2808 | } |
2809 | ||
718db961 LP |
2810 | static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { |
2811 | Service *s = SERVICE(userdata); | |
034c6ed7 LP |
2812 | |
2813 | assert(s); | |
718db961 | 2814 | assert(source == s->timer_event_source); |
034c6ed7 LP |
2815 | |
2816 | switch (s->state) { | |
2817 | ||
2818 | case SERVICE_START_PRE: | |
2819 | case SERVICE_START: | |
f2341e0a | 2820 | log_unit_warning(UNIT(s), "%s operation timed out. Terminating.", s->state == SERVICE_START ? "Start" : "Start-pre"); |
f42806df | 2821 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
80876c20 LP |
2822 | break; |
2823 | ||
034c6ed7 | 2824 | case SERVICE_START_POST: |
f2341e0a | 2825 | log_unit_warning(UNIT(s), "Start-post operation timed out. Stopping."); |
f42806df | 2826 | service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
2827 | break; |
2828 | ||
e2f3b44c | 2829 | case SERVICE_RELOAD: |
f2341e0a | 2830 | log_unit_warning(UNIT(s), "Reload operation timed out. Stopping."); |
478b6192 EV |
2831 | service_unwatch_control_pid(s); |
2832 | service_kill_control_processes(s); | |
f42806df LP |
2833 | s->reload_result = SERVICE_FAILURE_TIMEOUT; |
2834 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c LP |
2835 | break; |
2836 | ||
034c6ed7 | 2837 | case SERVICE_STOP: |
f2341e0a | 2838 | log_unit_warning(UNIT(s), "Stopping timed out. Terminating."); |
f42806df | 2839 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
2840 | break; |
2841 | ||
db2cb23b | 2842 | case SERVICE_STOP_SIGABRT: |
f2341e0a | 2843 | log_unit_warning(UNIT(s), "State 'stop-sigabrt' timed out. Terminating."); |
2ab2ab7b | 2844 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
db2cb23b UTL |
2845 | break; |
2846 | ||
034c6ed7 | 2847 | case SERVICE_STOP_SIGTERM: |
4819ff03 | 2848 | if (s->kill_context.send_sigkill) { |
f2341e0a | 2849 | log_unit_warning(UNIT(s), "State 'stop-sigterm' timed out. Killing."); |
f42806df | 2850 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 2851 | } else { |
f2341e0a | 2852 | log_unit_warning(UNIT(s), "State 'stop-sigterm' timed out. Skipping SIGKILL."); |
f42806df | 2853 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
ba035df2 LP |
2854 | } |
2855 | ||
034c6ed7 LP |
2856 | break; |
2857 | ||
2858 | case SERVICE_STOP_SIGKILL: | |
35b8ca3a | 2859 | /* Uh, we sent a SIGKILL and it is still not gone? |
034c6ed7 LP |
2860 | * Must be something we cannot kill, so let's just be |
2861 | * weirded out and continue */ | |
2862 | ||
f2341e0a | 2863 | log_unit_warning(UNIT(s), "Processes still around after SIGKILL. Ignoring."); |
f42806df | 2864 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
2865 | break; |
2866 | ||
2867 | case SERVICE_STOP_POST: | |
f2341e0a | 2868 | log_unit_warning(UNIT(s), "State 'stop-post' timed out. Terminating."); |
f42806df | 2869 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
2870 | break; |
2871 | ||
2872 | case SERVICE_FINAL_SIGTERM: | |
4819ff03 | 2873 | if (s->kill_context.send_sigkill) { |
f2341e0a | 2874 | log_unit_warning(UNIT(s), "State 'stop-final-sigterm' timed out. Killing."); |
f42806df | 2875 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 2876 | } else { |
f2341e0a | 2877 | log_unit_warning(UNIT(s), "State 'stop-final-sigterm' timed out. Skipping SIGKILL. Entering failed mode."); |
f42806df | 2878 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); |
ba035df2 LP |
2879 | } |
2880 | ||
034c6ed7 LP |
2881 | break; |
2882 | ||
2883 | case SERVICE_FINAL_SIGKILL: | |
f2341e0a | 2884 | log_unit_warning(UNIT(s), "Processes still around after final SIGKILL. Entering failed mode."); |
f42806df | 2885 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); |
034c6ed7 LP |
2886 | break; |
2887 | ||
2888 | case SERVICE_AUTO_RESTART: | |
f2341e0a | 2889 | log_unit_info(UNIT(s), |
ef417cfd | 2890 | s->restart_usec > 0 ? |
f2341e0a LP |
2891 | "Service hold-off time over, scheduling restart." : |
2892 | "Service has no hold-off time, scheduling restart."); | |
034c6ed7 LP |
2893 | service_enter_restart(s); |
2894 | break; | |
2895 | ||
2896 | default: | |
2897 | assert_not_reached("Timeout at wrong time."); | |
2898 | } | |
718db961 LP |
2899 | |
2900 | return 0; | |
2901 | } | |
2902 | ||
2903 | static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata) { | |
2904 | Service *s = SERVICE(userdata); | |
a7850c7d | 2905 | char t[FORMAT_TIMESPAN_MAX]; |
718db961 LP |
2906 | |
2907 | assert(s); | |
2908 | assert(source == s->watchdog_event_source); | |
2909 | ||
f2341e0a | 2910 | log_unit_error(UNIT(s), "Watchdog timeout (limit %s)!", |
a7850c7d | 2911 | format_timespan(t, sizeof(t), s->watchdog_usec, 1)); |
8bb2d17d | 2912 | |
db2cb23b | 2913 | service_enter_signal(s, SERVICE_STOP_SIGABRT, SERVICE_FAILURE_WATCHDOG); |
842129f5 | 2914 | |
718db961 | 2915 | return 0; |
5cb5a6ff LP |
2916 | } |
2917 | ||
a354329f | 2918 | static void service_notify_message(Unit *u, pid_t pid, char **tags, FDSet *fds) { |
8c47c732 | 2919 | Service *s = SERVICE(u); |
308d72dc | 2920 | _cleanup_free_ char *cc = NULL; |
30b5275a | 2921 | bool notify_dbus = false; |
308d72dc | 2922 | const char *e; |
8c47c732 LP |
2923 | |
2924 | assert(u); | |
2925 | ||
308d72dc | 2926 | cc = strv_join(tags, ", "); |
da13d4d2 | 2927 | |
c952c6ec | 2928 | if (s->notify_access == NOTIFY_NONE) { |
f2341e0a | 2929 | log_unit_warning(u, "Got notification message from PID "PID_FMT", but reception is disabled.", pid); |
c952c6ec | 2930 | return; |
34959677 | 2931 | } else if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { |
336c6e46 | 2932 | if (s->main_pid != 0) |
f2341e0a | 2933 | log_unit_warning(u, "Got notification message from PID "PID_FMT", but reception only permitted for main PID "PID_FMT, pid, s->main_pid); |
336c6e46 | 2934 | else |
f2341e0a | 2935 | log_unit_debug(u, "Got notification message from PID "PID_FMT", but reception only permitted for main PID which is currently not known", pid); |
c952c6ec | 2936 | return; |
34959677 TG |
2937 | } else |
2938 | log_unit_debug(u, "Got notification message from PID "PID_FMT" (%s)", pid, isempty(cc) ? "n/a" : cc); | |
c952c6ec | 2939 | |
8c47c732 | 2940 | /* Interpret MAINPID= */ |
28849dba | 2941 | e = strv_find_startswith(tags, "MAINPID="); |
5e56b378 | 2942 | if (e && IN_SET(s->state, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) { |
28849dba | 2943 | if (parse_pid(e, &pid) < 0) |
f2341e0a | 2944 | log_unit_warning(u, "Failed to parse MAINPID= field in notification message: %s", e); |
8c47c732 | 2945 | else { |
5925dd3c | 2946 | service_set_main_pid(s, pid); |
7400b9d2 | 2947 | unit_watch_pid(UNIT(s), pid); |
30b5275a | 2948 | notify_dbus = true; |
8c47c732 LP |
2949 | } |
2950 | } | |
2951 | ||
308d72dc LP |
2952 | /* Interpret RELOADING= */ |
2953 | if (strv_find(tags, "RELOADING=1")) { | |
2954 | ||
308d72dc LP |
2955 | s->notify_state = NOTIFY_RELOADING; |
2956 | ||
2957 | if (s->state == SERVICE_RUNNING) | |
2958 | service_enter_reload_by_notify(s); | |
2959 | ||
2960 | notify_dbus = true; | |
2961 | } | |
2962 | ||
8c47c732 | 2963 | /* Interpret READY= */ |
308d72dc LP |
2964 | if (strv_find(tags, "READY=1")) { |
2965 | ||
308d72dc LP |
2966 | s->notify_state = NOTIFY_READY; |
2967 | ||
2968 | /* Type=notify services inform us about completed | |
2969 | * initialization with READY=1 */ | |
2970 | if (s->type == SERVICE_NOTIFY && s->state == SERVICE_START) | |
2971 | service_enter_start_post(s); | |
2972 | ||
2973 | /* Sending READY=1 while we are reloading informs us | |
2974 | * that the reloading is complete */ | |
2975 | if (s->state == SERVICE_RELOAD && s->control_pid == 0) | |
2976 | service_enter_running(s, SERVICE_SUCCESS); | |
2977 | ||
2978 | notify_dbus = true; | |
2979 | } | |
2980 | ||
2981 | /* Interpret STOPPING= */ | |
2982 | if (strv_find(tags, "STOPPING=1")) { | |
2983 | ||
308d72dc LP |
2984 | s->notify_state = NOTIFY_STOPPING; |
2985 | ||
2986 | if (s->state == SERVICE_RUNNING) | |
2987 | service_enter_stop_by_notify(s); | |
2988 | ||
30b5275a | 2989 | notify_dbus = true; |
8c47c732 LP |
2990 | } |
2991 | ||
2992 | /* Interpret STATUS= */ | |
28849dba | 2993 | e = strv_find_startswith(tags, "STATUS="); |
7f110ff9 | 2994 | if (e) { |
28849dba | 2995 | _cleanup_free_ char *t = NULL; |
8c47c732 | 2996 | |
28849dba LP |
2997 | if (!isempty(e)) { |
2998 | if (!utf8_is_valid(e)) | |
f2341e0a | 2999 | log_unit_warning(u, "Status message in notification message is not UTF-8 clean."); |
28849dba | 3000 | else { |
28849dba LP |
3001 | t = strdup(e); |
3002 | if (!t) | |
3003 | log_oom(); | |
3a2776bc | 3004 | } |
28849dba | 3005 | } |
8c47c732 | 3006 | |
30b5275a | 3007 | if (!streq_ptr(s->status_text, t)) { |
28849dba | 3008 | |
3a2776bc LP |
3009 | free(s->status_text); |
3010 | s->status_text = t; | |
28849dba LP |
3011 | t = NULL; |
3012 | ||
30b5275a | 3013 | notify_dbus = true; |
28849dba | 3014 | } |
8c47c732 | 3015 | } |
842129f5 | 3016 | |
4774e357 | 3017 | /* Interpret ERRNO= */ |
28849dba | 3018 | e = strv_find_startswith(tags, "ERRNO="); |
4774e357 MAA |
3019 | if (e) { |
3020 | int status_errno; | |
3021 | ||
28849dba | 3022 | if (safe_atoi(e, &status_errno) < 0 || status_errno < 0) |
f2341e0a | 3023 | log_unit_warning(u, "Failed to parse ERRNO= field in notification message: %s", e); |
4774e357 | 3024 | else { |
4774e357 MAA |
3025 | if (s->status_errno != status_errno) { |
3026 | s->status_errno = status_errno; | |
3027 | notify_dbus = true; | |
3028 | } | |
3029 | } | |
3030 | } | |
3031 | ||
6f285378 | 3032 | /* Interpret WATCHDOG= */ |
1f6b4113 | 3033 | if (strv_find(tags, "WATCHDOG=1")) |
842129f5 | 3034 | service_reset_watchdog(s); |
c4e2ceae | 3035 | |
8dd4c05b LP |
3036 | if (strv_find(tags, "FDSTORE=1")) { |
3037 | const char *name; | |
3038 | ||
3039 | name = strv_find_startswith(tags, "FDNAME="); | |
3040 | if (name && !fdname_is_valid(name)) { | |
3041 | log_unit_warning(u, "Passed FDNAME= name is invalid, ignoring."); | |
3042 | name = NULL; | |
3043 | } | |
3044 | ||
3045 | service_add_fd_store_set(s, fds, name); | |
3046 | } | |
a354329f | 3047 | |
c4e2ceae | 3048 | /* Notify clients about changed status or main pid */ |
30b5275a LP |
3049 | if (notify_dbus) |
3050 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
3051 | } |
3052 | ||
68db7a3b ZJS |
3053 | static int service_get_timeout(Unit *u, uint64_t *timeout) { |
3054 | Service *s = SERVICE(u); | |
3055 | int r; | |
3056 | ||
3057 | if (!s->timer_event_source) | |
3058 | return 0; | |
3059 | ||
3060 | r = sd_event_source_get_time(s->timer_event_source, timeout); | |
3061 | if (r < 0) | |
3062 | return r; | |
3063 | ||
3064 | return 1; | |
3065 | } | |
3066 | ||
05e343b7 LP |
3067 | static void service_bus_name_owner_change( |
3068 | Unit *u, | |
3069 | const char *name, | |
3070 | const char *old_owner, | |
3071 | const char *new_owner) { | |
3072 | ||
3073 | Service *s = SERVICE(u); | |
718db961 | 3074 | int r; |
05e343b7 LP |
3075 | |
3076 | assert(s); | |
3077 | assert(name); | |
3078 | ||
3079 | assert(streq(s->bus_name, name)); | |
3080 | assert(old_owner || new_owner); | |
3081 | ||
3082 | if (old_owner && new_owner) | |
f2341e0a | 3083 | log_unit_debug(u, "D-Bus name %s changed owner from %s to %s", name, old_owner, new_owner); |
05e343b7 | 3084 | else if (old_owner) |
f2341e0a | 3085 | log_unit_debug(u, "D-Bus name %s no longer registered by %s", name, old_owner); |
05e343b7 | 3086 | else |
f2341e0a | 3087 | log_unit_debug(u, "D-Bus name %s now registered by %s", name, new_owner); |
05e343b7 LP |
3088 | |
3089 | s->bus_name_good = !!new_owner; | |
3090 | ||
3091 | if (s->type == SERVICE_DBUS) { | |
3092 | ||
3093 | /* service_enter_running() will figure out what to | |
3094 | * do */ | |
3095 | if (s->state == SERVICE_RUNNING) | |
f42806df | 3096 | service_enter_running(s, SERVICE_SUCCESS); |
05e343b7 LP |
3097 | else if (s->state == SERVICE_START && new_owner) |
3098 | service_enter_start_post(s); | |
3099 | ||
3100 | } else if (new_owner && | |
3101 | s->main_pid <= 0 && | |
3102 | (s->state == SERVICE_START || | |
3103 | s->state == SERVICE_START_POST || | |
3104 | s->state == SERVICE_RUNNING || | |
3105 | s->state == SERVICE_RELOAD)) { | |
3106 | ||
5b12334d | 3107 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
718db961 | 3108 | pid_t pid; |
05e343b7 | 3109 | |
718db961 | 3110 | /* Try to acquire PID from bus service */ |
05e343b7 | 3111 | |
056f95d0 | 3112 | r = sd_bus_get_name_creds(u->manager->api_bus, name, SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
3113 | if (r >= 0) |
3114 | r = sd_bus_creds_get_pid(creds, &pid); | |
718db961 | 3115 | if (r >= 0) { |
f2341e0a | 3116 | log_unit_debug(u, "D-Bus name %s is now owned by process %u", name, (unsigned) pid); |
05e343b7 | 3117 | |
718db961 LP |
3118 | service_set_main_pid(s, pid); |
3119 | unit_watch_pid(UNIT(s), pid); | |
3120 | } | |
7400b9d2 | 3121 | } |
05e343b7 LP |
3122 | } |
3123 | ||
16115b0a | 3124 | int service_set_socket_fd(Service *s, int fd, Socket *sock, bool selinux_context_net) { |
79a98c60 LP |
3125 | _cleanup_free_ char *peer = NULL; |
3126 | int r; | |
57020a3a | 3127 | |
4f2d528d LP |
3128 | assert(s); |
3129 | assert(fd >= 0); | |
3130 | ||
3131 | /* This is called by the socket code when instantiating a new | |
3132 | * service for a stream socket and the socket needs to be | |
3133 | * configured. */ | |
3134 | ||
1124fe6f | 3135 | if (UNIT(s)->load_state != UNIT_LOADED) |
4f2d528d LP |
3136 | return -EINVAL; |
3137 | ||
3138 | if (s->socket_fd >= 0) | |
3139 | return -EBUSY; | |
3140 | ||
3141 | if (s->state != SERVICE_DEAD) | |
3142 | return -EAGAIN; | |
3143 | ||
79a98c60 LP |
3144 | if (getpeername_pretty(fd, &peer) >= 0) { |
3145 | ||
3146 | if (UNIT(s)->description) { | |
3147 | _cleanup_free_ char *a; | |
3148 | ||
3149 | a = strjoin(UNIT(s)->description, " (", peer, ")", NULL); | |
3150 | if (!a) | |
3151 | return -ENOMEM; | |
3152 | ||
3153 | r = unit_set_description(UNIT(s), a); | |
3154 | } else | |
3155 | r = unit_set_description(UNIT(s), peer); | |
3156 | ||
3157 | if (r < 0) | |
3158 | return r; | |
3159 | } | |
3160 | ||
4f2d528d | 3161 | s->socket_fd = fd; |
16115b0a | 3162 | s->socket_fd_selinux_context_net = selinux_context_net; |
6cf6bbc2 | 3163 | |
57020a3a LP |
3164 | unit_ref_set(&s->accept_socket, UNIT(sock)); |
3165 | ||
3166 | return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false); | |
4f2d528d LP |
3167 | } |
3168 | ||
fdf20a31 | 3169 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3170 | Service *s = SERVICE(u); |
3171 | ||
3172 | assert(s); | |
3173 | ||
fdf20a31 | 3174 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3175 | service_set_state(s, SERVICE_DEAD); |
3176 | ||
f42806df LP |
3177 | s->result = SERVICE_SUCCESS; |
3178 | s->reload_result = SERVICE_SUCCESS; | |
451b34cc LP |
3179 | |
3180 | RATELIMIT_RESET(s->start_limit); | |
5632e374 LP |
3181 | } |
3182 | ||
718db961 | 3183 | static int service_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { |
8a0867d6 | 3184 | Service *s = SERVICE(u); |
41efeaec | 3185 | |
814cc562 | 3186 | return unit_kill_common(u, who, signo, s->main_pid, s->control_pid, error); |
8a0867d6 LP |
3187 | } |
3188 | ||
94f04347 | 3189 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { |
525ee6f4 LP |
3190 | [SERVICE_RESTART_NO] = "no", |
3191 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb | 3192 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
6cfe2fde | 3193 | [SERVICE_RESTART_ON_ABNORMAL] = "on-abnormal", |
dc99a976 | 3194 | [SERVICE_RESTART_ON_WATCHDOG] = "on-watchdog", |
50caaedb | 3195 | [SERVICE_RESTART_ON_ABORT] = "on-abort", |
6cfe2fde | 3196 | [SERVICE_RESTART_ALWAYS] = "always", |
94f04347 LP |
3197 | }; |
3198 | ||
3199 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3200 | ||
3201 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3202 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3203 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3204 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 | 3205 | [SERVICE_DBUS] = "dbus", |
f2b68789 LP |
3206 | [SERVICE_NOTIFY] = "notify", |
3207 | [SERVICE_IDLE] = "idle" | |
94f04347 LP |
3208 | }; |
3209 | ||
3210 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3211 | ||
e537352b | 3212 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3213 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3214 | [SERVICE_EXEC_START] = "ExecStart", | |
3215 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3216 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3217 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3218 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3219 | }; | |
3220 | ||
3221 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3222 | ||
c952c6ec LP |
3223 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3224 | [NOTIFY_NONE] = "none", | |
3225 | [NOTIFY_MAIN] = "main", | |
3226 | [NOTIFY_ALL] = "all" | |
3227 | }; | |
3228 | ||
3229 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3230 | ||
308d72dc LP |
3231 | static const char* const notify_state_table[_NOTIFY_STATE_MAX] = { |
3232 | [NOTIFY_UNKNOWN] = "unknown", | |
3233 | [NOTIFY_READY] = "ready", | |
3234 | [NOTIFY_RELOADING] = "reloading", | |
3235 | [NOTIFY_STOPPING] = "stopping", | |
3236 | }; | |
3237 | ||
3238 | DEFINE_STRING_TABLE_LOOKUP(notify_state, NotifyState); | |
3239 | ||
f42806df LP |
3240 | static const char* const service_result_table[_SERVICE_RESULT_MAX] = { |
3241 | [SERVICE_SUCCESS] = "success", | |
3242 | [SERVICE_FAILURE_RESOURCES] = "resources", | |
3243 | [SERVICE_FAILURE_TIMEOUT] = "timeout", | |
3244 | [SERVICE_FAILURE_EXIT_CODE] = "exit-code", | |
3245 | [SERVICE_FAILURE_SIGNAL] = "signal", | |
bb242b7b | 3246 | [SERVICE_FAILURE_CORE_DUMP] = "core-dump", |
8d1b002a LP |
3247 | [SERVICE_FAILURE_WATCHDOG] = "watchdog", |
3248 | [SERVICE_FAILURE_START_LIMIT] = "start-limit" | |
f42806df LP |
3249 | }; |
3250 | ||
3251 | DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); | |
3252 | ||
87f0e418 | 3253 | const UnitVTable service_vtable = { |
7d17cfbc | 3254 | .object_size = sizeof(Service), |
718db961 LP |
3255 | .exec_context_offset = offsetof(Service, exec_context), |
3256 | .cgroup_context_offset = offsetof(Service, cgroup_context), | |
3257 | .kill_context_offset = offsetof(Service, kill_context), | |
613b411c | 3258 | .exec_runtime_offset = offsetof(Service, exec_runtime), |
3ef63c31 | 3259 | |
f975e971 LP |
3260 | .sections = |
3261 | "Unit\0" | |
3262 | "Service\0" | |
3263 | "Install\0", | |
4ad49000 | 3264 | .private_section = "Service", |
71645aca | 3265 | |
034c6ed7 LP |
3266 | .init = service_init, |
3267 | .done = service_done, | |
a16e1123 | 3268 | .load = service_load, |
a354329f | 3269 | .release_resources = service_release_resources, |
a16e1123 LP |
3270 | |
3271 | .coldplug = service_coldplug, | |
034c6ed7 | 3272 | |
5cb5a6ff LP |
3273 | .dump = service_dump, |
3274 | ||
3275 | .start = service_start, | |
3276 | .stop = service_stop, | |
3277 | .reload = service_reload, | |
3278 | ||
034c6ed7 LP |
3279 | .can_reload = service_can_reload, |
3280 | ||
8a0867d6 LP |
3281 | .kill = service_kill, |
3282 | ||
a16e1123 LP |
3283 | .serialize = service_serialize, |
3284 | .deserialize_item = service_deserialize_item, | |
3285 | ||
5cb5a6ff | 3286 | .active_state = service_active_state, |
10a94420 | 3287 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3288 | |
701cc384 LP |
3289 | .check_gc = service_check_gc, |
3290 | .check_snapshot = service_check_snapshot, | |
3291 | ||
034c6ed7 | 3292 | .sigchld_event = service_sigchld_event, |
2c4104f0 | 3293 | |
fdf20a31 | 3294 | .reset_failed = service_reset_failed, |
5632e374 | 3295 | |
4ad49000 | 3296 | .notify_cgroup_empty = service_notify_cgroup_empty_event, |
8c47c732 | 3297 | .notify_message = service_notify_message, |
8e274523 | 3298 | |
05e343b7 | 3299 | .bus_name_owner_change = service_bus_name_owner_change, |
05e343b7 | 3300 | |
718db961 | 3301 | .bus_vtable = bus_service_vtable, |
74c964d3 LP |
3302 | .bus_set_property = bus_service_set_property, |
3303 | .bus_commit_properties = bus_service_commit_properties, | |
4139c1b2 | 3304 | |
68db7a3b | 3305 | .get_timeout = service_get_timeout, |
718db961 LP |
3306 | .can_transient = true, |
3307 | ||
c6918296 MS |
3308 | .status_message_formats = { |
3309 | .starting_stopping = { | |
3310 | [0] = "Starting %s...", | |
3311 | [1] = "Stopping %s...", | |
3312 | }, | |
3313 | .finished_start_job = { | |
3314 | [JOB_DONE] = "Started %s.", | |
3315 | [JOB_FAILED] = "Failed to start %s.", | |
c6918296 MS |
3316 | }, |
3317 | .finished_stop_job = { | |
3318 | [JOB_DONE] = "Stopped %s.", | |
3319 | [JOB_FAILED] = "Stopped (with error) %s.", | |
c6918296 MS |
3320 | }, |
3321 | }, | |
5cb5a6ff | 3322 | }; |