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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
60918275 | 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 | ||
60918275 | 22 | #include <assert.h> |
1ffba6fe | 23 | #include <errno.h> |
faf919f1 LP |
24 | #include <sys/timerfd.h> |
25 | #include <sys/epoll.h> | |
60918275 | 26 | |
877d54e9 LP |
27 | #include "systemd/sd-id128.h" |
28 | #include "systemd/sd-messages.h" | |
94f04347 LP |
29 | #include "set.h" |
30 | #include "unit.h" | |
60918275 | 31 | #include "macro.h" |
94f04347 LP |
32 | #include "strv.h" |
33 | #include "load-fragment.h" | |
34 | #include "load-dropin.h" | |
f50e0a01 | 35 | #include "log.h" |
4139c1b2 | 36 | #include "dbus-job.h" |
60918275 | 37 | |
97e6a119 MS |
38 | JobBusClient* job_bus_client_new(DBusConnection *connection, const char *name) { |
39 | JobBusClient *cl; | |
40 | size_t name_len; | |
41 | ||
42 | name_len = strlen(name); | |
43 | cl = malloc0(sizeof(JobBusClient) + name_len + 1); | |
44 | if (!cl) | |
45 | return NULL; | |
46 | ||
47 | cl->bus = connection; | |
48 | memcpy(cl->name, name, name_len + 1); | |
49 | return cl; | |
50 | } | |
51 | ||
39a18c60 | 52 | Job* job_new_raw(Unit *unit) { |
60918275 LP |
53 | Job *j; |
54 | ||
39a18c60 MS |
55 | /* used for deserialization */ |
56 | ||
87f0e418 | 57 | assert(unit); |
60918275 | 58 | |
39a18c60 MS |
59 | j = new0(Job, 1); |
60 | if (!j) | |
60918275 LP |
61 | return NULL; |
62 | ||
668ad332 | 63 | j->manager = unit->manager; |
87f0e418 | 64 | j->unit = unit; |
e0209d83 | 65 | j->type = _JOB_TYPE_INVALID; |
faf919f1 LP |
66 | j->timer_watch.type = WATCH_INVALID; |
67 | ||
39a18c60 MS |
68 | return j; |
69 | } | |
70 | ||
71 | Job* job_new(Unit *unit, JobType type) { | |
72 | Job *j; | |
73 | ||
74 | assert(type < _JOB_TYPE_MAX); | |
75 | ||
76 | j = job_new_raw(unit); | |
77 | if (!j) | |
78 | return NULL; | |
79 | ||
80 | j->id = j->manager->current_job_id++; | |
81 | j->type = type; | |
82 | ||
e5b5ae50 | 83 | /* We don't link it here, that's what job_dependency() is for */ |
60918275 LP |
84 | |
85 | return j; | |
86 | } | |
87 | ||
97e7d748 | 88 | void job_free(Job *j) { |
97e6a119 MS |
89 | JobBusClient *cl; |
90 | ||
97e7d748 MS |
91 | assert(j); |
92 | assert(!j->installed); | |
02a3bcc6 MS |
93 | assert(!j->transaction_prev); |
94 | assert(!j->transaction_next); | |
95 | assert(!j->subject_list); | |
96 | assert(!j->object_list); | |
60918275 | 97 | |
c1e1601e LP |
98 | if (j->in_run_queue) |
99 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); | |
100 | ||
101 | if (j->in_dbus_queue) | |
102 | LIST_REMOVE(Job, dbus_queue, j->manager->dbus_job_queue, j); | |
103 | ||
faf919f1 LP |
104 | if (j->timer_watch.type != WATCH_INVALID) { |
105 | assert(j->timer_watch.type == WATCH_JOB_TIMER); | |
106 | assert(j->timer_watch.data.job == j); | |
107 | assert(j->timer_watch.fd >= 0); | |
108 | ||
109 | assert_se(epoll_ctl(j->manager->epoll_fd, EPOLL_CTL_DEL, j->timer_watch.fd, NULL) >= 0); | |
110 | close_nointr_nofail(j->timer_watch.fd); | |
111 | } | |
112 | ||
97e6a119 MS |
113 | while ((cl = j->bus_client_list)) { |
114 | LIST_REMOVE(JobBusClient, client, j->bus_client_list, cl); | |
115 | free(cl); | |
116 | } | |
60918275 LP |
117 | free(j); |
118 | } | |
a66d02c3 | 119 | |
05d576f1 | 120 | void job_uninstall(Job *j) { |
e0209d83 MS |
121 | Job **pj; |
122 | ||
05d576f1 | 123 | assert(j->installed); |
e0209d83 MS |
124 | |
125 | pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job; | |
126 | assert(*pj == j); | |
127 | ||
05d576f1 MS |
128 | /* Detach from next 'bigger' objects */ |
129 | ||
39a18c60 MS |
130 | /* daemon-reload should be transparent to job observers */ |
131 | if (j->manager->n_reloading <= 0) | |
132 | bus_job_send_removed_signal(j); | |
05d576f1 | 133 | |
e0209d83 MS |
134 | *pj = NULL; |
135 | ||
d6a093d0 | 136 | unit_add_to_gc_queue(j->unit); |
05d576f1 MS |
137 | |
138 | hashmap_remove(j->manager->jobs, UINT32_TO_PTR(j->id)); | |
139 | j->installed = false; | |
140 | } | |
141 | ||
656bbffc MS |
142 | static bool job_type_allows_late_merge(JobType t) { |
143 | /* Tells whether it is OK to merge a job of type 't' with an already | |
144 | * running job. | |
145 | * Reloads cannot be merged this way. Think of the sequence: | |
146 | * 1. Reload of a daemon is in progress; the daemon has already loaded | |
147 | * its config file, but hasn't completed the reload operation yet. | |
148 | * 2. Edit foo's config file. | |
149 | * 3. Trigger another reload to have the daemon use the new config. | |
150 | * Should the second reload job be merged into the first one, the daemon | |
151 | * would not know about the new config. | |
152 | * JOB_RESTART jobs on the other hand can be merged, because they get | |
153 | * patched into JOB_START after stopping the unit. So if we see a | |
154 | * JOB_RESTART running, it means the unit hasn't stopped yet and at | |
155 | * this time the merge is still allowed. */ | |
e0209d83 | 156 | return t != JOB_RELOAD; |
656bbffc MS |
157 | } |
158 | ||
159 | static void job_merge_into_installed(Job *j, Job *other) { | |
160 | assert(j->installed); | |
161 | assert(j->unit == other->unit); | |
162 | ||
e0209d83 MS |
163 | if (j->type != JOB_NOP) |
164 | job_type_merge_and_collapse(&j->type, other->type, j->unit); | |
165 | else | |
166 | assert(other->type == JOB_NOP); | |
656bbffc MS |
167 | |
168 | j->override = j->override || other->override; | |
169 | } | |
170 | ||
171 | Job* job_install(Job *j) { | |
e0209d83 MS |
172 | Job **pj; |
173 | Job *uj; | |
05d576f1 | 174 | |
656bbffc | 175 | assert(!j->installed); |
e0209d83 MS |
176 | assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION); |
177 | ||
178 | pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job; | |
179 | uj = *pj; | |
656bbffc | 180 | |
05d576f1 | 181 | if (uj) { |
e0209d83 | 182 | if (j->type != JOB_NOP && job_type_is_conflicting(uj->type, j->type)) |
1abc85b8 | 183 | job_finish_and_invalidate(uj, JOB_CANCELED, false); |
656bbffc MS |
184 | else { |
185 | /* not conflicting, i.e. mergeable */ | |
186 | ||
e0209d83 | 187 | if (j->type == JOB_NOP || uj->state == JOB_WAITING || |
656bbffc MS |
188 | (job_type_allows_late_merge(j->type) && job_type_is_superset(uj->type, j->type))) { |
189 | job_merge_into_installed(uj, j); | |
66870f90 ZJS |
190 | log_debug_unit(uj->unit->id, |
191 | "Merged into installed job %s/%s as %u", | |
192 | uj->unit->id, job_type_to_string(uj->type), (unsigned) uj->id); | |
656bbffc MS |
193 | return uj; |
194 | } else { | |
195 | /* already running and not safe to merge into */ | |
196 | /* Patch uj to become a merged job and re-run it. */ | |
197 | /* XXX It should be safer to queue j to run after uj finishes, but it is | |
198 | * not currently possible to have more than one installed job per unit. */ | |
199 | job_merge_into_installed(uj, j); | |
66870f90 ZJS |
200 | log_debug_unit(uj->unit->id, |
201 | "Merged into running job, re-running: %s/%s as %u", | |
202 | uj->unit->id, job_type_to_string(uj->type), (unsigned) uj->id); | |
656bbffc MS |
203 | uj->state = JOB_WAITING; |
204 | return uj; | |
205 | } | |
206 | } | |
05d576f1 MS |
207 | } |
208 | ||
656bbffc | 209 | /* Install the job */ |
e0209d83 | 210 | *pj = j; |
05d576f1 MS |
211 | j->installed = true; |
212 | j->manager->n_installed_jobs ++; | |
66870f90 ZJS |
213 | log_debug_unit(j->unit->id, |
214 | "Installed new job %s/%s as %u", | |
215 | j->unit->id, job_type_to_string(j->type), (unsigned) j->id); | |
656bbffc | 216 | return j; |
05d576f1 MS |
217 | } |
218 | ||
e0209d83 MS |
219 | int job_install_deserialized(Job *j) { |
220 | Job **pj; | |
221 | ||
39a18c60 MS |
222 | assert(!j->installed); |
223 | ||
e0209d83 MS |
224 | if (j->type < 0 || j->type >= _JOB_TYPE_MAX_IN_TRANSACTION) { |
225 | log_debug("Invalid job type %s in deserialization.", strna(job_type_to_string(j->type))); | |
226 | return -EINVAL; | |
227 | } | |
228 | ||
229 | pj = (j->type == JOB_NOP) ? &j->unit->nop_job : &j->unit->job; | |
230 | ||
231 | if (*pj) { | |
66870f90 ZJS |
232 | log_debug_unit(j->unit->id, |
233 | "Unit %s already has a job installed. Not installing deserialized job.", | |
234 | j->unit->id); | |
e0209d83 | 235 | return -EEXIST; |
39a18c60 | 236 | } |
e0209d83 | 237 | *pj = j; |
39a18c60 | 238 | j->installed = true; |
66870f90 ZJS |
239 | log_debug_unit(j->unit->id, |
240 | "Reinstalled deserialized job %s/%s as %u", | |
241 | j->unit->id, job_type_to_string(j->type), (unsigned) j->id); | |
e0209d83 | 242 | return 0; |
39a18c60 MS |
243 | } |
244 | ||
1da4264f | 245 | JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts) { |
e5b5ae50 LP |
246 | JobDependency *l; |
247 | ||
248 | assert(object); | |
249 | ||
250 | /* Adds a new job link, which encodes that the 'subject' job | |
251 | * needs the 'object' job in some way. If 'subject' is NULL | |
252 | * this means the 'anchor' job (i.e. the one the user | |
35b8ca3a | 253 | * explicitly asked for) is the requester. */ |
e5b5ae50 | 254 | |
ceed3570 | 255 | if (!(l = new0(JobDependency, 1))) |
e5b5ae50 LP |
256 | return NULL; |
257 | ||
258 | l->subject = subject; | |
259 | l->object = object; | |
260 | l->matters = matters; | |
69dd2852 | 261 | l->conflicts = conflicts; |
e5b5ae50 | 262 | |
44d8db9e LP |
263 | if (subject) |
264 | LIST_PREPEND(JobDependency, subject, subject->subject_list, l); | |
e5b5ae50 | 265 | |
44d8db9e | 266 | LIST_PREPEND(JobDependency, object, object->object_list, l); |
e5b5ae50 LP |
267 | |
268 | return l; | |
269 | } | |
270 | ||
1da4264f | 271 | void job_dependency_free(JobDependency *l) { |
e5b5ae50 LP |
272 | assert(l); |
273 | ||
44d8db9e LP |
274 | if (l->subject) |
275 | LIST_REMOVE(JobDependency, subject, l->subject->subject_list, l); | |
e5b5ae50 | 276 | |
44d8db9e | 277 | LIST_REMOVE(JobDependency, object, l->object->object_list, l); |
e5b5ae50 LP |
278 | |
279 | free(l); | |
280 | } | |
281 | ||
1ffba6fe | 282 | void job_dump(Job *j, FILE*f, const char *prefix) { |
a66d02c3 LP |
283 | assert(j); |
284 | assert(f); | |
285 | ||
9eb63b3c LP |
286 | if (!prefix) |
287 | prefix = ""; | |
288 | ||
ceed3570 | 289 | fprintf(f, |
40d50879 LP |
290 | "%s-> Job %u:\n" |
291 | "%s\tAction: %s -> %s\n" | |
5cb5a6ff LP |
292 | "%s\tState: %s\n" |
293 | "%s\tForced: %s\n", | |
ceed3570 | 294 | prefix, j->id, |
ac155bb8 | 295 | prefix, j->unit->id, job_type_to_string(j->type), |
94f04347 | 296 | prefix, job_state_to_string(j->state), |
9e2f7c11 | 297 | prefix, yes_no(j->override)); |
a66d02c3 | 298 | } |
e5b5ae50 | 299 | |
348e27fe MS |
300 | /* |
301 | * Merging is commutative, so imagine the matrix as symmetric. We store only | |
302 | * its lower triangle to avoid duplication. We don't store the main diagonal, | |
303 | * because A merged with A is simply A. | |
304 | * | |
e0209d83 MS |
305 | * If the resulting type is collapsed immediately afterwards (to get rid of |
306 | * the JOB_RELOAD_OR_START, which lies outside the lookup function's domain), | |
307 | * the following properties hold: | |
308 | * | |
348e27fe MS |
309 | * Merging is associative! A merged with B merged with C is the same as |
310 | * A merged with C merged with B. | |
311 | * | |
312 | * Mergeability is transitive! If A can be merged with B and B with C then | |
313 | * A also with C. | |
314 | * | |
315 | * Also, if A merged with B cannot be merged with C, then either A or B cannot | |
316 | * be merged with C either. | |
317 | */ | |
318 | static const JobType job_merging_table[] = { | |
e0209d83 MS |
319 | /* What \ With * JOB_START JOB_VERIFY_ACTIVE JOB_STOP JOB_RELOAD */ |
320 | /*********************************************************************************/ | |
348e27fe MS |
321 | /*JOB_START */ |
322 | /*JOB_VERIFY_ACTIVE */ JOB_START, | |
323 | /*JOB_STOP */ -1, -1, | |
324 | /*JOB_RELOAD */ JOB_RELOAD_OR_START, JOB_RELOAD, -1, | |
e0209d83 | 325 | /*JOB_RESTART */ JOB_RESTART, JOB_RESTART, -1, JOB_RESTART, |
348e27fe MS |
326 | }; |
327 | ||
328 | JobType job_type_lookup_merge(JobType a, JobType b) { | |
e0209d83 MS |
329 | assert_cc(ELEMENTSOF(job_merging_table) == _JOB_TYPE_MAX_MERGING * (_JOB_TYPE_MAX_MERGING - 1) / 2); |
330 | assert(a >= 0 && a < _JOB_TYPE_MAX_MERGING); | |
331 | assert(b >= 0 && b < _JOB_TYPE_MAX_MERGING); | |
1ffba6fe LP |
332 | |
333 | if (a == b) | |
348e27fe | 334 | return a; |
1ffba6fe | 335 | |
348e27fe MS |
336 | if (a < b) { |
337 | JobType tmp = a; | |
338 | a = b; | |
339 | b = tmp; | |
1ffba6fe | 340 | } |
e094e853 | 341 | |
348e27fe | 342 | return job_merging_table[(a - 1) * a / 2 + b]; |
e094e853 | 343 | } |
cd2dbd7d | 344 | |
593fbdd2 LP |
345 | bool job_type_is_redundant(JobType a, UnitActiveState b) { |
346 | switch (a) { | |
347 | ||
348 | case JOB_START: | |
349 | return | |
350 | b == UNIT_ACTIVE || | |
032ff4af | 351 | b == UNIT_RELOADING; |
593fbdd2 LP |
352 | |
353 | case JOB_STOP: | |
354 | return | |
6124958c | 355 | b == UNIT_INACTIVE || |
fdf20a31 | 356 | b == UNIT_FAILED; |
593fbdd2 LP |
357 | |
358 | case JOB_VERIFY_ACTIVE: | |
359 | return | |
360 | b == UNIT_ACTIVE || | |
032ff4af | 361 | b == UNIT_RELOADING; |
593fbdd2 LP |
362 | |
363 | case JOB_RELOAD: | |
364 | return | |
032ff4af | 365 | b == UNIT_RELOADING; |
593fbdd2 | 366 | |
593fbdd2 LP |
367 | case JOB_RESTART: |
368 | return | |
369 | b == UNIT_ACTIVATING; | |
370 | ||
e0209d83 MS |
371 | default: |
372 | assert_not_reached("Invalid job type"); | |
373 | } | |
374 | } | |
375 | ||
376 | void job_type_collapse(JobType *t, Unit *u) { | |
377 | UnitActiveState s; | |
378 | ||
379 | switch (*t) { | |
380 | ||
593fbdd2 | 381 | case JOB_TRY_RESTART: |
e0209d83 MS |
382 | s = unit_active_state(u); |
383 | if (UNIT_IS_INACTIVE_OR_DEACTIVATING(s)) | |
384 | *t = JOB_NOP; | |
385 | else | |
386 | *t = JOB_RESTART; | |
387 | break; | |
388 | ||
389 | case JOB_RELOAD_OR_START: | |
390 | s = unit_active_state(u); | |
391 | if (UNIT_IS_INACTIVE_OR_DEACTIVATING(s)) | |
392 | *t = JOB_START; | |
393 | else | |
394 | *t = JOB_RELOAD; | |
395 | break; | |
593fbdd2 LP |
396 | |
397 | default: | |
e0209d83 | 398 | ; |
593fbdd2 LP |
399 | } |
400 | } | |
401 | ||
e0209d83 MS |
402 | int job_type_merge_and_collapse(JobType *a, JobType b, Unit *u) { |
403 | JobType t = job_type_lookup_merge(*a, b); | |
404 | if (t < 0) | |
405 | return -EEXIST; | |
406 | *a = t; | |
407 | job_type_collapse(a, u); | |
408 | return 0; | |
409 | } | |
410 | ||
5cb5a6ff | 411 | bool job_is_runnable(Job *j) { |
034c6ed7 | 412 | Iterator i; |
87f0e418 | 413 | Unit *other; |
5cb5a6ff LP |
414 | |
415 | assert(j); | |
ac1135be | 416 | assert(j->installed); |
5cb5a6ff | 417 | |
87f0e418 | 418 | /* Checks whether there is any job running for the units this |
5cb5a6ff | 419 | * job needs to be running after (in the case of a 'positive' |
e67c3609 LP |
420 | * job type) or before (in the case of a 'negative' job |
421 | * type. */ | |
422 | ||
423 | /* First check if there is an override */ | |
cebe0d41 | 424 | if (j->ignore_order) |
e67c3609 | 425 | return true; |
5cb5a6ff | 426 | |
e0209d83 MS |
427 | if (j->type == JOB_NOP) |
428 | return true; | |
429 | ||
5cb5a6ff LP |
430 | if (j->type == JOB_START || |
431 | j->type == JOB_VERIFY_ACTIVE || | |
e0209d83 | 432 | j->type == JOB_RELOAD) { |
5cb5a6ff LP |
433 | |
434 | /* Immediate result is that the job is or might be | |
435 | * started. In this case lets wait for the | |
436 | * dependencies, regardless whether they are | |
437 | * starting or stopping something. */ | |
438 | ||
ac155bb8 MS |
439 | SET_FOREACH(other, j->unit->dependencies[UNIT_AFTER], i) |
440 | if (other->job) | |
5cb5a6ff LP |
441 | return false; |
442 | } | |
443 | ||
444 | /* Also, if something else is being stopped and we should | |
445 | * change state after it, then lets wait. */ | |
446 | ||
ac155bb8 MS |
447 | SET_FOREACH(other, j->unit->dependencies[UNIT_BEFORE], i) |
448 | if (other->job && | |
449 | (other->job->type == JOB_STOP || | |
e0209d83 | 450 | other->job->type == JOB_RESTART)) |
5cb5a6ff LP |
451 | return false; |
452 | ||
453 | /* This means that for a service a and a service b where b | |
454 | * shall be started after a: | |
455 | * | |
456 | * start a + start b → 1st step start a, 2nd step start b | |
457 | * start a + stop b → 1st step stop b, 2nd step start a | |
458 | * stop a + start b → 1st step stop a, 2nd step start b | |
459 | * stop a + stop b → 1st step stop b, 2nd step stop a | |
460 | * | |
461 | * This has the side effect that restarts are properly | |
462 | * synchronized too. */ | |
463 | ||
464 | return true; | |
465 | } | |
466 | ||
bbd1a837 | 467 | static void job_change_type(Job *j, JobType newtype) { |
66870f90 ZJS |
468 | log_debug_unit(j->unit->id, |
469 | "Converting job %s/%s -> %s/%s", | |
470 | j->unit->id, job_type_to_string(j->type), | |
471 | j->unit->id, job_type_to_string(newtype)); | |
bbd1a837 MS |
472 | |
473 | j->type = newtype; | |
474 | } | |
475 | ||
5cb5a6ff LP |
476 | int job_run_and_invalidate(Job *j) { |
477 | int r; | |
2cf19a7a LP |
478 | uint32_t id; |
479 | Manager *m; | |
ac1135be | 480 | |
5cb5a6ff | 481 | assert(j); |
ac1135be | 482 | assert(j->installed); |
e0209d83 | 483 | assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION); |
66aa6f7f | 484 | assert(j->in_run_queue); |
5cb5a6ff | 485 | |
66aa6f7f MS |
486 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); |
487 | j->in_run_queue = false; | |
5cb5a6ff LP |
488 | |
489 | if (j->state != JOB_WAITING) | |
490 | return 0; | |
491 | ||
034c6ed7 LP |
492 | if (!job_is_runnable(j)) |
493 | return -EAGAIN; | |
494 | ||
83c60c9f | 495 | j->state = JOB_RUNNING; |
c1e1601e | 496 | job_add_to_dbus_queue(j); |
83c60c9f | 497 | |
2cf19a7a LP |
498 | /* While we execute this operation the job might go away (for |
499 | * example: because it is replaced by a new, conflicting | |
500 | * job.) To make sure we don't access a freed job later on we | |
501 | * store the id here, so that we can verify the job is still | |
502 | * valid. */ | |
503 | id = j->id; | |
504 | m = j->manager; | |
505 | ||
5cb5a6ff LP |
506 | switch (j->type) { |
507 | ||
508 | case JOB_START: | |
87f0e418 | 509 | r = unit_start(j->unit); |
57339f47 | 510 | |
dd17d388 | 511 | /* If this unit cannot be started, then simply wait */ |
5cb5a6ff LP |
512 | if (r == -EBADR) |
513 | r = 0; | |
514 | break; | |
515 | ||
516 | case JOB_VERIFY_ACTIVE: { | |
87f0e418 LP |
517 | UnitActiveState t = unit_active_state(j->unit); |
518 | if (UNIT_IS_ACTIVE_OR_RELOADING(t)) | |
5cb5a6ff | 519 | r = -EALREADY; |
87f0e418 | 520 | else if (t == UNIT_ACTIVATING) |
5cb5a6ff LP |
521 | r = -EAGAIN; |
522 | else | |
523 | r = -ENOEXEC; | |
524 | break; | |
525 | } | |
526 | ||
527 | case JOB_STOP: | |
dd17d388 | 528 | case JOB_RESTART: |
87f0e418 | 529 | r = unit_stop(j->unit); |
57339f47 | 530 | |
dd17d388 | 531 | /* If this unit cannot stopped, then simply wait. */ |
57339f47 LP |
532 | if (r == -EBADR) |
533 | r = 0; | |
5cb5a6ff LP |
534 | break; |
535 | ||
536 | case JOB_RELOAD: | |
87f0e418 | 537 | r = unit_reload(j->unit); |
5cb5a6ff LP |
538 | break; |
539 | ||
e0209d83 MS |
540 | case JOB_NOP: |
541 | r = -EALREADY; | |
542 | break; | |
543 | ||
5cb5a6ff | 544 | default: |
44d8db9e | 545 | assert_not_reached("Unknown job type"); |
5cb5a6ff LP |
546 | } |
547 | ||
e0209d83 MS |
548 | j = manager_get_job(m, id); |
549 | if (j) { | |
2cf19a7a | 550 | if (r == -EALREADY) |
5273510e | 551 | r = job_finish_and_invalidate(j, JOB_DONE, true); |
d68201e9 | 552 | else if (r == -ENOEXEC) |
5273510e | 553 | r = job_finish_and_invalidate(j, JOB_SKIPPED, true); |
2cf19a7a LP |
554 | else if (r == -EAGAIN) |
555 | j->state = JOB_WAITING; | |
556 | else if (r < 0) | |
5273510e | 557 | r = job_finish_and_invalidate(j, JOB_FAILED, true); |
2cf19a7a | 558 | } |
5cb5a6ff LP |
559 | |
560 | return r; | |
561 | } | |
562 | ||
877d54e9 | 563 | static const char *job_get_status_message_format(Unit *u, JobType t, JobResult result) { |
c6918296 | 564 | const UnitStatusMessageFormats *format_table; |
877d54e9 LP |
565 | |
566 | assert(u); | |
567 | assert(t >= 0); | |
568 | assert(t < _JOB_TYPE_MAX); | |
c6918296 MS |
569 | |
570 | format_table = &UNIT_VTABLE(u)->status_message_formats; | |
571 | if (!format_table) | |
877d54e9 LP |
572 | return NULL; |
573 | ||
574 | if (t == JOB_START) | |
575 | return format_table->finished_start_job[result]; | |
576 | else if (t == JOB_STOP || t == JOB_RESTART) | |
577 | return format_table->finished_stop_job[result]; | |
578 | ||
579 | return NULL; | |
580 | } | |
e02cd6f7 | 581 | |
877d54e9 LP |
582 | static const char *job_get_status_message_format_try_harder(Unit *u, JobType t, JobResult result) { |
583 | const char *format; | |
584 | ||
585 | assert(u); | |
586 | assert(t >= 0); | |
587 | assert(t < _JOB_TYPE_MAX); | |
588 | ||
589 | format = job_get_status_message_format(u, t, result); | |
590 | if (format) | |
591 | return format; | |
592 | ||
593 | /* Return generic strings */ | |
e02cd6f7 | 594 | if (t == JOB_START) { |
877d54e9 LP |
595 | if (result == JOB_DONE) |
596 | return "Started %s."; | |
597 | else if (result == JOB_FAILED) | |
598 | return "Failed to start %s."; | |
599 | else if (result == JOB_DEPENDENCY) | |
600 | return "Dependency failed for %s."; | |
601 | else if (result == JOB_TIMEOUT) | |
602 | return "Timed out starting %s."; | |
603 | } else if (t == JOB_STOP || t == JOB_RESTART) { | |
604 | if (result == JOB_DONE) | |
605 | return "Stopped %s."; | |
606 | else if (result == JOB_FAILED) | |
607 | return "Stopped (with error) %s."; | |
608 | else if (result == JOB_TIMEOUT) | |
609 | return "Timed out stoppping %s."; | |
610 | } else if (t == JOB_RELOAD) { | |
611 | if (result == JOB_DONE) | |
612 | return "Reloaded %s."; | |
613 | else if (result == JOB_FAILED) | |
614 | return "Reload failed for %s."; | |
615 | else if (result == JOB_TIMEOUT) | |
616 | return "Timed out reloading %s."; | |
617 | } | |
618 | ||
619 | return NULL; | |
620 | } | |
621 | ||
622 | static void job_print_status_message(Unit *u, JobType t, JobResult result) { | |
623 | const char *format; | |
e02cd6f7 | 624 | |
877d54e9 LP |
625 | assert(u); |
626 | assert(t >= 0); | |
627 | assert(t < _JOB_TYPE_MAX); | |
628 | ||
629 | if (t == JOB_START) { | |
630 | format = job_get_status_message_format(u, t, result); | |
c6918296 MS |
631 | if (!format) |
632 | return; | |
633 | ||
e02cd6f7 LP |
634 | switch (result) { |
635 | ||
636 | case JOB_DONE: | |
69120666 | 637 | if (u->condition_result) |
c6918296 | 638 | unit_status_printf(u, ANSI_HIGHLIGHT_GREEN_ON " OK " ANSI_HIGHLIGHT_OFF, format, unit_description(u)); |
e02cd6f7 LP |
639 | break; |
640 | ||
641 | case JOB_FAILED: | |
c6918296 | 642 | unit_status_printf(u, ANSI_HIGHLIGHT_RED_ON "FAILED" ANSI_HIGHLIGHT_OFF, format, unit_description(u)); |
877d54e9 | 643 | unit_status_printf(u, NULL, "See 'systemctl status %s' for details.", u->id); |
e02cd6f7 LP |
644 | break; |
645 | ||
646 | case JOB_DEPENDENCY: | |
c6918296 | 647 | unit_status_printf(u, ANSI_HIGHLIGHT_YELLOW_ON "DEPEND" ANSI_HIGHLIGHT_OFF, format, unit_description(u)); |
e02cd6f7 LP |
648 | break; |
649 | ||
650 | case JOB_TIMEOUT: | |
c6918296 | 651 | unit_status_printf(u, ANSI_HIGHLIGHT_RED_ON " TIME " ANSI_HIGHLIGHT_OFF, format, unit_description(u)); |
e02cd6f7 LP |
652 | break; |
653 | ||
654 | default: | |
655 | ; | |
656 | } | |
657 | ||
1f136e7a | 658 | } else if (t == JOB_STOP || t == JOB_RESTART) { |
e02cd6f7 | 659 | |
877d54e9 | 660 | format = job_get_status_message_format(u, t, result); |
c6918296 MS |
661 | if (!format) |
662 | return; | |
663 | ||
e02cd6f7 LP |
664 | switch (result) { |
665 | ||
666 | case JOB_TIMEOUT: | |
c6918296 | 667 | unit_status_printf(u, ANSI_HIGHLIGHT_RED_ON " TIME " ANSI_HIGHLIGHT_OFF, format, unit_description(u)); |
e02cd6f7 LP |
668 | break; |
669 | ||
670 | case JOB_DONE: | |
671 | case JOB_FAILED: | |
c6918296 | 672 | unit_status_printf(u, ANSI_HIGHLIGHT_GREEN_ON " OK " ANSI_HIGHLIGHT_OFF, format, unit_description(u)); |
e02cd6f7 LP |
673 | break; |
674 | ||
675 | default: | |
676 | ; | |
677 | } | |
7cf82e0b MS |
678 | |
679 | } else if (t == JOB_VERIFY_ACTIVE) { | |
680 | ||
681 | /* When verify-active detects the unit is inactive, report it. | |
682 | * Most likely a DEPEND warning from a requisiting unit will | |
683 | * occur next and it's nice to see what was requisited. */ | |
684 | if (result == JOB_SKIPPED) | |
685 | unit_status_printf(u, ANSI_HIGHLIGHT_ON " INFO " ANSI_HIGHLIGHT_OFF, "%s is not active.", unit_description(u)); | |
e02cd6f7 LP |
686 | } |
687 | } | |
688 | ||
877d54e9 LP |
689 | #pragma GCC diagnostic push |
690 | #pragma GCC diagnostic ignored "-Wformat-nonliteral" | |
691 | static void job_log_status_message(Unit *u, JobType t, JobResult result) { | |
692 | const char *format; | |
693 | char buf[LINE_MAX]; | |
694 | ||
695 | assert(u); | |
696 | assert(t >= 0); | |
697 | assert(t < _JOB_TYPE_MAX); | |
698 | ||
81270860 LP |
699 | /* Skip this if it goes to the console. since we already print |
700 | * to the console anyway... */ | |
701 | ||
702 | if (log_on_console()) | |
703 | return; | |
704 | ||
877d54e9 LP |
705 | format = job_get_status_message_format_try_harder(u, t, result); |
706 | if (!format) | |
707 | return; | |
708 | ||
709 | snprintf(buf, sizeof(buf), format, unit_description(u)); | |
710 | char_array_0(buf); | |
711 | ||
712 | if (t == JOB_START) { | |
713 | sd_id128_t mid; | |
714 | ||
715 | mid = result == JOB_DONE ? SD_MESSAGE_UNIT_STARTED : SD_MESSAGE_UNIT_FAILED; | |
716 | log_struct(result == JOB_DONE ? LOG_INFO : LOG_ERR, | |
1ca6783f | 717 | MESSAGE_ID(mid), |
877d54e9 LP |
718 | "UNIT=%s", u->id, |
719 | "RESULT=%s", job_result_to_string(result), | |
720 | "MESSAGE=%s", buf, | |
721 | NULL); | |
722 | ||
723 | } else if (t == JOB_STOP) | |
724 | log_struct(result == JOB_DONE ? LOG_INFO : LOG_ERR, | |
1ca6783f | 725 | MESSAGE_ID(SD_MESSAGE_UNIT_STOPPED), |
877d54e9 LP |
726 | "UNIT=%s", u->id, |
727 | "RESULT=%s", job_result_to_string(result), | |
728 | "MESSAGE=%s", buf, | |
729 | NULL); | |
730 | ||
731 | else if (t == JOB_RELOAD) | |
732 | log_struct(result == JOB_DONE ? LOG_INFO : LOG_ERR, | |
1ca6783f | 733 | MESSAGE_ID(SD_MESSAGE_UNIT_RELOADED), |
877d54e9 LP |
734 | "UNIT=%s", u->id, |
735 | "RESULT=%s", job_result_to_string(result), | |
736 | "MESSAGE=%s", buf, | |
737 | NULL); | |
738 | } | |
739 | #pragma GCC diagnostic pop | |
740 | ||
5273510e | 741 | int job_finish_and_invalidate(Job *j, JobResult result, bool recursive) { |
87f0e418 LP |
742 | Unit *u; |
743 | Unit *other; | |
b866264a | 744 | JobType t; |
034c6ed7 | 745 | Iterator i; |
5cb5a6ff LP |
746 | |
747 | assert(j); | |
ac1135be | 748 | assert(j->installed); |
e0209d83 | 749 | assert(j->type < _JOB_TYPE_MAX_IN_TRANSACTION); |
5cb5a6ff | 750 | |
c6918296 MS |
751 | u = j->unit; |
752 | t = j->type; | |
753 | ||
754 | j->result = result; | |
755 | ||
66870f90 ZJS |
756 | log_debug_unit(u->id, "Job %s/%s finished, result=%s", |
757 | u->id, job_type_to_string(t), job_result_to_string(result)); | |
c6918296 MS |
758 | |
759 | job_print_status_message(u, t, result); | |
877d54e9 | 760 | job_log_status_message(u, t, result); |
c6918296 | 761 | |
c1e1601e | 762 | job_add_to_dbus_queue(j); |
f50e0a01 | 763 | |
034c6ed7 | 764 | /* Patch restart jobs so that they become normal start jobs */ |
c6918296 | 765 | if (result == JOB_DONE && t == JOB_RESTART) { |
f50e0a01 | 766 | |
bbd1a837 | 767 | job_change_type(j, JOB_START); |
9c2d9caa | 768 | j->state = JOB_WAITING; |
cc42e081 LP |
769 | |
770 | job_add_to_run_queue(j); | |
57981b98 | 771 | |
57981b98 | 772 | goto finish; |
5cb5a6ff LP |
773 | } |
774 | ||
5d44db4a | 775 | if (result == JOB_FAILED) |
76bf48b7 LP |
776 | j->manager->n_failed_jobs ++; |
777 | ||
97e7d748 | 778 | job_uninstall(j); |
5cb5a6ff LP |
779 | job_free(j); |
780 | ||
781 | /* Fail depending jobs on failure */ | |
5273510e | 782 | if (result != JOB_DONE && recursive) { |
5cb5a6ff LP |
783 | |
784 | if (t == JOB_START || | |
e0209d83 | 785 | t == JOB_VERIFY_ACTIVE) { |
5cb5a6ff | 786 | |
ac155bb8 MS |
787 | SET_FOREACH(other, u->dependencies[UNIT_REQUIRED_BY], i) |
788 | if (other->job && | |
789 | (other->job->type == JOB_START || | |
e0209d83 | 790 | other->job->type == JOB_VERIFY_ACTIVE)) |
5273510e | 791 | job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true); |
5cb5a6ff | 792 | |
ac155bb8 MS |
793 | SET_FOREACH(other, u->dependencies[UNIT_BOUND_BY], i) |
794 | if (other->job && | |
795 | (other->job->type == JOB_START || | |
e0209d83 | 796 | other->job->type == JOB_VERIFY_ACTIVE)) |
5273510e | 797 | job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true); |
e6a3ff95 | 798 | |
ac155bb8 MS |
799 | SET_FOREACH(other, u->dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i) |
800 | if (other->job && | |
801 | !other->job->override && | |
802 | (other->job->type == JOB_START || | |
e0209d83 | 803 | other->job->type == JOB_VERIFY_ACTIVE)) |
5273510e | 804 | job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true); |
5cb5a6ff LP |
805 | |
806 | } else if (t == JOB_STOP) { | |
807 | ||
ac155bb8 MS |
808 | SET_FOREACH(other, u->dependencies[UNIT_CONFLICTED_BY], i) |
809 | if (other->job && | |
810 | (other->job->type == JOB_START || | |
e0209d83 | 811 | other->job->type == JOB_VERIFY_ACTIVE)) |
5273510e | 812 | job_finish_and_invalidate(other->job, JOB_DEPENDENCY, true); |
5cb5a6ff LP |
813 | } |
814 | } | |
815 | ||
c0daa706 | 816 | /* Trigger OnFailure dependencies that are not generated by |
66870f90 | 817 | * the unit itself. We don't treat JOB_CANCELED as failure in |
c0daa706 LP |
818 | * this context. And JOB_FAILURE is already handled by the |
819 | * unit itself. */ | |
222ae6a8 | 820 | if (result == JOB_TIMEOUT || result == JOB_DEPENDENCY) { |
66870f90 ZJS |
821 | log_struct(LOG_NOTICE, |
822 | "UNIT=%s", u->id, | |
823 | "JOB_TYPE=%s", job_type_to_string(t), | |
824 | "JOB_RESULT=%s", job_result_to_string(t), | |
825 | "Job %s/%s failed with result '%s'.", | |
ac155bb8 | 826 | u->id, |
222ae6a8 | 827 | job_type_to_string(t), |
66870f90 ZJS |
828 | job_result_to_string(result), |
829 | NULL); | |
222ae6a8 | 830 | |
c0daa706 | 831 | unit_trigger_on_failure(u); |
222ae6a8 | 832 | } |
c0daa706 | 833 | |
57981b98 | 834 | finish: |
5cb5a6ff | 835 | /* Try to start the next jobs that can be started */ |
ac155bb8 MS |
836 | SET_FOREACH(other, u->dependencies[UNIT_AFTER], i) |
837 | if (other->job) | |
838 | job_add_to_run_queue(other->job); | |
839 | SET_FOREACH(other, u->dependencies[UNIT_BEFORE], i) | |
840 | if (other->job) | |
841 | job_add_to_run_queue(other->job); | |
5cb5a6ff | 842 | |
ac155bb8 | 843 | manager_check_finished(u->manager); |
b0c918b9 | 844 | |
5273510e | 845 | return 0; |
5cb5a6ff | 846 | } |
034c6ed7 | 847 | |
faf919f1 LP |
848 | int job_start_timer(Job *j) { |
849 | struct itimerspec its; | |
850 | struct epoll_event ev; | |
851 | int fd, r; | |
852 | assert(j); | |
853 | ||
ac155bb8 | 854 | if (j->unit->job_timeout <= 0 || |
faf919f1 LP |
855 | j->timer_watch.type == WATCH_JOB_TIMER) |
856 | return 0; | |
857 | ||
858 | assert(j->timer_watch.type == WATCH_INVALID); | |
859 | ||
860 | if ((fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK|TFD_CLOEXEC)) < 0) { | |
861 | r = -errno; | |
862 | goto fail; | |
863 | } | |
864 | ||
865 | zero(its); | |
ac155bb8 | 866 | timespec_store(&its.it_value, j->unit->job_timeout); |
faf919f1 LP |
867 | |
868 | if (timerfd_settime(fd, 0, &its, NULL) < 0) { | |
869 | r = -errno; | |
870 | goto fail; | |
871 | } | |
872 | ||
873 | zero(ev); | |
874 | ev.data.ptr = &j->timer_watch; | |
875 | ev.events = EPOLLIN; | |
876 | ||
877 | if (epoll_ctl(j->manager->epoll_fd, EPOLL_CTL_ADD, fd, &ev) < 0) { | |
878 | r = -errno; | |
879 | goto fail; | |
880 | } | |
881 | ||
882 | j->timer_watch.type = WATCH_JOB_TIMER; | |
883 | j->timer_watch.fd = fd; | |
884 | j->timer_watch.data.job = j; | |
885 | ||
886 | return 0; | |
887 | ||
888 | fail: | |
889 | if (fd >= 0) | |
890 | close_nointr_nofail(fd); | |
891 | ||
892 | return r; | |
893 | } | |
894 | ||
c1e1601e | 895 | void job_add_to_run_queue(Job *j) { |
034c6ed7 | 896 | assert(j); |
ac1135be | 897 | assert(j->installed); |
034c6ed7 LP |
898 | |
899 | if (j->in_run_queue) | |
900 | return; | |
901 | ||
902 | LIST_PREPEND(Job, run_queue, j->manager->run_queue, j); | |
903 | j->in_run_queue = true; | |
904 | } | |
94f04347 | 905 | |
c1e1601e LP |
906 | void job_add_to_dbus_queue(Job *j) { |
907 | assert(j); | |
908 | assert(j->installed); | |
909 | ||
910 | if (j->in_dbus_queue) | |
911 | return; | |
912 | ||
a567261a LP |
913 | /* We don't check if anybody is subscribed here, since this |
914 | * job might just have been created and not yet assigned to a | |
915 | * connection/client. */ | |
94b6dfa2 | 916 | |
c1e1601e LP |
917 | LIST_PREPEND(Job, dbus_queue, j->manager->dbus_job_queue, j); |
918 | j->in_dbus_queue = true; | |
919 | } | |
920 | ||
ea430986 LP |
921 | char *job_dbus_path(Job *j) { |
922 | char *p; | |
923 | ||
924 | assert(j); | |
925 | ||
926 | if (asprintf(&p, "/org/freedesktop/systemd1/job/%lu", (unsigned long) j->id) < 0) | |
927 | return NULL; | |
928 | ||
929 | return p; | |
930 | } | |
931 | ||
faf919f1 LP |
932 | void job_timer_event(Job *j, uint64_t n_elapsed, Watch *w) { |
933 | assert(j); | |
934 | assert(w == &j->timer_watch); | |
935 | ||
66870f90 ZJS |
936 | log_warning_unit(j->unit->id, "Job %s/%s timed out.", |
937 | j->unit->id, job_type_to_string(j->type)); | |
5273510e | 938 | job_finish_and_invalidate(j, JOB_TIMEOUT, true); |
faf919f1 LP |
939 | } |
940 | ||
39a18c60 MS |
941 | int job_serialize(Job *j, FILE *f, FDSet *fds) { |
942 | fprintf(f, "job-id=%u\n", j->id); | |
943 | fprintf(f, "job-type=%s\n", job_type_to_string(j->type)); | |
944 | fprintf(f, "job-state=%s\n", job_state_to_string(j->state)); | |
945 | fprintf(f, "job-override=%s\n", yes_no(j->override)); | |
946 | fprintf(f, "job-sent-dbus-new-signal=%s\n", yes_no(j->sent_dbus_new_signal)); | |
947 | fprintf(f, "job-ignore-order=%s\n", yes_no(j->ignore_order)); | |
948 | /* Cannot save bus clients. Just note the fact that we're losing | |
949 | * them. job_send_message() will fallback to broadcasting. */ | |
950 | fprintf(f, "job-forgot-bus-clients=%s\n", | |
951 | yes_no(j->forgot_bus_clients || j->bus_client_list)); | |
952 | if (j->timer_watch.type == WATCH_JOB_TIMER) { | |
953 | int copy = fdset_put_dup(fds, j->timer_watch.fd); | |
954 | if (copy < 0) | |
955 | return copy; | |
956 | fprintf(f, "job-timer-watch-fd=%d\n", copy); | |
957 | } | |
958 | ||
959 | /* End marker */ | |
960 | fputc('\n', f); | |
961 | return 0; | |
962 | } | |
963 | ||
964 | int job_deserialize(Job *j, FILE *f, FDSet *fds) { | |
965 | for (;;) { | |
966 | char line[LINE_MAX], *l, *v; | |
967 | size_t k; | |
968 | ||
969 | if (!fgets(line, sizeof(line), f)) { | |
970 | if (feof(f)) | |
971 | return 0; | |
972 | return -errno; | |
973 | } | |
974 | ||
975 | char_array_0(line); | |
976 | l = strstrip(line); | |
977 | ||
978 | /* End marker */ | |
979 | if (l[0] == 0) | |
980 | return 0; | |
981 | ||
982 | k = strcspn(l, "="); | |
983 | ||
984 | if (l[k] == '=') { | |
985 | l[k] = 0; | |
986 | v = l+k+1; | |
987 | } else | |
988 | v = l+k; | |
989 | ||
990 | if (streq(l, "job-id")) { | |
991 | if (safe_atou32(v, &j->id) < 0) | |
992 | log_debug("Failed to parse job id value %s", v); | |
993 | } else if (streq(l, "job-type")) { | |
994 | JobType t = job_type_from_string(v); | |
995 | if (t < 0) | |
996 | log_debug("Failed to parse job type %s", v); | |
e0209d83 MS |
997 | else if (t >= _JOB_TYPE_MAX_IN_TRANSACTION) |
998 | log_debug("Cannot deserialize job of type %s", v); | |
39a18c60 MS |
999 | else |
1000 | j->type = t; | |
1001 | } else if (streq(l, "job-state")) { | |
1002 | JobState s = job_state_from_string(v); | |
1003 | if (s < 0) | |
1004 | log_debug("Failed to parse job state %s", v); | |
1005 | else | |
1006 | j->state = s; | |
1007 | } else if (streq(l, "job-override")) { | |
1008 | int b = parse_boolean(v); | |
1009 | if (b < 0) | |
1010 | log_debug("Failed to parse job override flag %s", v); | |
1011 | else | |
1012 | j->override = j->override || b; | |
1013 | } else if (streq(l, "job-sent-dbus-new-signal")) { | |
1014 | int b = parse_boolean(v); | |
1015 | if (b < 0) | |
1016 | log_debug("Failed to parse job sent_dbus_new_signal flag %s", v); | |
1017 | else | |
1018 | j->sent_dbus_new_signal = j->sent_dbus_new_signal || b; | |
1019 | } else if (streq(l, "job-ignore-order")) { | |
1020 | int b = parse_boolean(v); | |
1021 | if (b < 0) | |
1022 | log_debug("Failed to parse job ignore_order flag %s", v); | |
1023 | else | |
1024 | j->ignore_order = j->ignore_order || b; | |
1025 | } else if (streq(l, "job-forgot-bus-clients")) { | |
1026 | int b = parse_boolean(v); | |
1027 | if (b < 0) | |
1028 | log_debug("Failed to parse job forgot_bus_clients flag %s", v); | |
1029 | else | |
1030 | j->forgot_bus_clients = j->forgot_bus_clients || b; | |
1031 | } else if (streq(l, "job-timer-watch-fd")) { | |
1032 | int fd; | |
1033 | if (safe_atoi(v, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
1034 | log_debug("Failed to parse job-timer-watch-fd value %s", v); | |
1035 | else { | |
1036 | if (j->timer_watch.type == WATCH_JOB_TIMER) | |
1037 | close_nointr_nofail(j->timer_watch.fd); | |
1038 | ||
1039 | j->timer_watch.type = WATCH_JOB_TIMER; | |
1040 | j->timer_watch.fd = fdset_remove(fds, fd); | |
1041 | j->timer_watch.data.job = j; | |
1042 | } | |
1043 | } | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | int job_coldplug(Job *j) { | |
1048 | struct epoll_event ev; | |
1049 | ||
1050 | if (j->timer_watch.type != WATCH_JOB_TIMER) | |
1051 | return 0; | |
1052 | ||
1053 | zero(ev); | |
1054 | ev.data.ptr = &j->timer_watch; | |
1055 | ev.events = EPOLLIN; | |
1056 | ||
1057 | if (epoll_ctl(j->manager->epoll_fd, EPOLL_CTL_ADD, j->timer_watch.fd, &ev) < 0) | |
1058 | return -errno; | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
94f04347 LP |
1063 | static const char* const job_state_table[_JOB_STATE_MAX] = { |
1064 | [JOB_WAITING] = "waiting", | |
1065 | [JOB_RUNNING] = "running" | |
1066 | }; | |
1067 | ||
1068 | DEFINE_STRING_TABLE_LOOKUP(job_state, JobState); | |
1069 | ||
1070 | static const char* const job_type_table[_JOB_TYPE_MAX] = { | |
1071 | [JOB_START] = "start", | |
1072 | [JOB_VERIFY_ACTIVE] = "verify-active", | |
1073 | [JOB_STOP] = "stop", | |
1074 | [JOB_RELOAD] = "reload", | |
1075 | [JOB_RELOAD_OR_START] = "reload-or-start", | |
1076 | [JOB_RESTART] = "restart", | |
1077 | [JOB_TRY_RESTART] = "try-restart", | |
e0209d83 | 1078 | [JOB_NOP] = "nop", |
94f04347 LP |
1079 | }; |
1080 | ||
1081 | DEFINE_STRING_TABLE_LOOKUP(job_type, JobType); | |
b548631a LP |
1082 | |
1083 | static const char* const job_mode_table[_JOB_MODE_MAX] = { | |
1084 | [JOB_FAIL] = "fail", | |
c497c7a9 | 1085 | [JOB_REPLACE] = "replace", |
e67c3609 | 1086 | [JOB_ISOLATE] = "isolate", |
cebe0d41 LP |
1087 | [JOB_IGNORE_DEPENDENCIES] = "ignore-dependencies", |
1088 | [JOB_IGNORE_REQUIREMENTS] = "ignore-requirements" | |
b548631a LP |
1089 | }; |
1090 | ||
1091 | DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode); | |
5d44db4a LP |
1092 | |
1093 | static const char* const job_result_table[_JOB_RESULT_MAX] = { | |
1094 | [JOB_DONE] = "done", | |
1095 | [JOB_CANCELED] = "canceled", | |
1096 | [JOB_TIMEOUT] = "timeout", | |
1097 | [JOB_FAILED] = "failed", | |
d68201e9 LP |
1098 | [JOB_DEPENDENCY] = "dependency", |
1099 | [JOB_SKIPPED] = "skipped" | |
5d44db4a LP |
1100 | }; |
1101 | ||
1102 | DEFINE_STRING_TABLE_LOOKUP(job_result, JobResult); |