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60918275 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
60918275 | 22 | #include <assert.h> |
1ffba6fe | 23 | #include <errno.h> |
60918275 | 24 | |
94f04347 LP |
25 | #include "set.h" |
26 | #include "unit.h" | |
60918275 | 27 | #include "macro.h" |
94f04347 LP |
28 | #include "strv.h" |
29 | #include "load-fragment.h" | |
30 | #include "load-dropin.h" | |
f50e0a01 | 31 | #include "log.h" |
4139c1b2 | 32 | #include "dbus-job.h" |
60918275 | 33 | |
87f0e418 | 34 | Job* job_new(Manager *m, JobType type, Unit *unit) { |
60918275 LP |
35 | Job *j; |
36 | ||
37 | assert(m); | |
38 | assert(type < _JOB_TYPE_MAX); | |
87f0e418 | 39 | assert(unit); |
60918275 LP |
40 | |
41 | if (!(j = new0(Job, 1))) | |
42 | return NULL; | |
43 | ||
44 | j->manager = m; | |
45 | j->id = m->current_job_id++; | |
46 | j->type = type; | |
87f0e418 | 47 | j->unit = unit; |
60918275 | 48 | |
e5b5ae50 | 49 | /* We don't link it here, that's what job_dependency() is for */ |
60918275 LP |
50 | |
51 | return j; | |
52 | } | |
53 | ||
60918275 LP |
54 | void job_free(Job *j) { |
55 | assert(j); | |
56 | ||
57 | /* Detach from next 'bigger' objects */ | |
ac1135be | 58 | if (j->installed) { |
c1e1601e LP |
59 | bus_job_send_removed_signal(j); |
60 | ||
87f0e418 LP |
61 | if (j->unit->meta.job == j) |
62 | j->unit->meta.job = NULL; | |
60918275 LP |
63 | |
64 | hashmap_remove(j->manager->jobs, UINT32_TO_PTR(j->id)); | |
ac1135be | 65 | j->installed = false; |
60918275 LP |
66 | } |
67 | ||
5cb5a6ff | 68 | /* Detach from next 'smaller' objects */ |
23a177ef | 69 | manager_transaction_unlink_job(j->manager, j, true); |
60918275 | 70 | |
c1e1601e LP |
71 | if (j->in_run_queue) |
72 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); | |
73 | ||
74 | if (j->in_dbus_queue) | |
75 | LIST_REMOVE(Job, dbus_queue, j->manager->dbus_job_queue, j); | |
76 | ||
60918275 LP |
77 | free(j); |
78 | } | |
a66d02c3 | 79 | |
e5b5ae50 LP |
80 | JobDependency* job_dependency_new(Job *subject, Job *object, bool matters) { |
81 | JobDependency *l; | |
82 | ||
83 | assert(object); | |
84 | ||
85 | /* Adds a new job link, which encodes that the 'subject' job | |
86 | * needs the 'object' job in some way. If 'subject' is NULL | |
87 | * this means the 'anchor' job (i.e. the one the user | |
88 | * explcitily asked for) is the requester. */ | |
89 | ||
ceed3570 | 90 | if (!(l = new0(JobDependency, 1))) |
e5b5ae50 LP |
91 | return NULL; |
92 | ||
93 | l->subject = subject; | |
94 | l->object = object; | |
95 | l->matters = matters; | |
96 | ||
44d8db9e LP |
97 | if (subject) |
98 | LIST_PREPEND(JobDependency, subject, subject->subject_list, l); | |
99 | else | |
100 | LIST_PREPEND(JobDependency, subject, object->manager->transaction_anchor, l); | |
e5b5ae50 | 101 | |
44d8db9e | 102 | LIST_PREPEND(JobDependency, object, object->object_list, l); |
e5b5ae50 LP |
103 | |
104 | return l; | |
105 | } | |
106 | ||
107 | void job_dependency_free(JobDependency *l) { | |
108 | assert(l); | |
109 | ||
44d8db9e LP |
110 | if (l->subject) |
111 | LIST_REMOVE(JobDependency, subject, l->subject->subject_list, l); | |
e5b5ae50 | 112 | else |
44d8db9e | 113 | LIST_REMOVE(JobDependency, subject, l->object->manager->transaction_anchor, l); |
e5b5ae50 | 114 | |
44d8db9e | 115 | LIST_REMOVE(JobDependency, object, l->object->object_list, l); |
e5b5ae50 LP |
116 | |
117 | free(l); | |
118 | } | |
119 | ||
120 | void job_dependency_delete(Job *subject, Job *object, bool *matters) { | |
121 | JobDependency *l; | |
122 | ||
123 | assert(object); | |
124 | ||
44d8db9e | 125 | LIST_FOREACH(object, l, object->object_list) { |
e5b5ae50 LP |
126 | assert(l->object == object); |
127 | ||
128 | if (l->subject == subject) | |
129 | break; | |
130 | } | |
131 | ||
132 | if (!l) { | |
133 | if (matters) | |
134 | *matters = false; | |
135 | return; | |
136 | } | |
137 | ||
138 | if (matters) | |
139 | *matters = l->matters; | |
140 | ||
141 | job_dependency_free(l); | |
142 | } | |
143 | ||
1ffba6fe LP |
144 | void job_dump(Job *j, FILE*f, const char *prefix) { |
145 | ||
a66d02c3 LP |
146 | |
147 | assert(j); | |
148 | assert(f); | |
149 | ||
ceed3570 | 150 | fprintf(f, |
44d8db9e | 151 | "%sā Job %u:\n" |
ceed3570 | 152 | "%s\tAction: %s ā %s\n" |
5cb5a6ff LP |
153 | "%s\tState: %s\n" |
154 | "%s\tForced: %s\n", | |
ceed3570 | 155 | prefix, j->id, |
9e2f7c11 | 156 | prefix, j->unit->meta.id, job_type_to_string(j->type), |
94f04347 | 157 | prefix, job_state_to_string(j->state), |
9e2f7c11 | 158 | prefix, yes_no(j->override)); |
a66d02c3 | 159 | } |
e5b5ae50 LP |
160 | |
161 | bool job_is_anchor(Job *j) { | |
162 | JobDependency *l; | |
163 | ||
164 | assert(j); | |
165 | ||
44d8db9e | 166 | LIST_FOREACH(object, l, j->object_list) |
e5b5ae50 LP |
167 | if (!l->subject) |
168 | return true; | |
169 | ||
170 | return false; | |
171 | } | |
1ffba6fe LP |
172 | |
173 | static bool types_match(JobType a, JobType b, JobType c, JobType d) { | |
174 | return | |
175 | (a == c && b == d) || | |
176 | (a == d && b == c); | |
177 | } | |
178 | ||
179 | int job_type_merge(JobType *a, JobType b) { | |
180 | if (*a == b) | |
181 | return 0; | |
182 | ||
183 | /* Merging is associative! a merged with b merged with c is | |
184 | * the same as a merged with c merged with b. */ | |
185 | ||
186 | /* Mergeability is transitive! if a can be merged with b and b | |
187 | * with c then a also with c */ | |
188 | ||
189 | /* Also, if a merged with b cannot be merged with c, then | |
190 | * either a or b cannot be merged with c either */ | |
191 | ||
5cb5a6ff | 192 | if (types_match(*a, b, JOB_START, JOB_VERIFY_ACTIVE)) |
1ffba6fe LP |
193 | *a = JOB_START; |
194 | else if (types_match(*a, b, JOB_START, JOB_RELOAD) || | |
195 | types_match(*a, b, JOB_START, JOB_RELOAD_OR_START) || | |
5cb5a6ff | 196 | types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RELOAD_OR_START) || |
1ffba6fe LP |
197 | types_match(*a, b, JOB_RELOAD, JOB_RELOAD_OR_START)) |
198 | *a = JOB_RELOAD_OR_START; | |
199 | else if (types_match(*a, b, JOB_START, JOB_RESTART) || | |
200 | types_match(*a, b, JOB_START, JOB_TRY_RESTART) || | |
5cb5a6ff | 201 | types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RESTART) || |
1ffba6fe LP |
202 | types_match(*a, b, JOB_RELOAD, JOB_RESTART) || |
203 | types_match(*a, b, JOB_RELOAD_OR_START, JOB_RESTART) || | |
204 | types_match(*a, b, JOB_RELOAD_OR_START, JOB_TRY_RESTART) || | |
205 | types_match(*a, b, JOB_RESTART, JOB_TRY_RESTART)) | |
206 | *a = JOB_RESTART; | |
5cb5a6ff | 207 | else if (types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RELOAD)) |
1ffba6fe | 208 | *a = JOB_RELOAD; |
5cb5a6ff | 209 | else if (types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_TRY_RESTART) || |
1ffba6fe LP |
210 | types_match(*a, b, JOB_RELOAD, JOB_TRY_RESTART)) |
211 | *a = JOB_TRY_RESTART; | |
212 | else | |
213 | return -EEXIST; | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
5cb5a6ff | 218 | bool job_type_is_mergeable(JobType a, JobType b) { |
1ffba6fe LP |
219 | return job_type_merge(&a, b) >= 0; |
220 | } | |
221 | ||
222 | bool job_type_is_superset(JobType a, JobType b) { | |
223 | ||
5cb5a6ff LP |
224 | /* Checks whether operation a is a "superset" of b in its |
225 | * actions */ | |
1ffba6fe LP |
226 | |
227 | if (a == b) | |
228 | return true; | |
229 | ||
230 | switch (a) { | |
231 | case JOB_START: | |
5cb5a6ff | 232 | return b == JOB_VERIFY_ACTIVE; |
1ffba6fe LP |
233 | |
234 | case JOB_RELOAD: | |
5cb5a6ff LP |
235 | return |
236 | b == JOB_VERIFY_ACTIVE; | |
1ffba6fe LP |
237 | |
238 | case JOB_RELOAD_OR_START: | |
239 | return | |
240 | b == JOB_RELOAD || | |
5cb5a6ff LP |
241 | b == JOB_START || |
242 | b == JOB_VERIFY_ACTIVE; | |
1ffba6fe LP |
243 | |
244 | case JOB_RESTART: | |
245 | return | |
246 | b == JOB_START || | |
5cb5a6ff | 247 | b == JOB_VERIFY_ACTIVE || |
1ffba6fe LP |
248 | b == JOB_RELOAD || |
249 | b == JOB_RELOAD_OR_START || | |
250 | b == JOB_TRY_RESTART; | |
251 | ||
252 | case JOB_TRY_RESTART: | |
253 | return | |
5cb5a6ff | 254 | b == JOB_VERIFY_ACTIVE || |
1ffba6fe LP |
255 | b == JOB_RELOAD; |
256 | default: | |
257 | return false; | |
258 | ||
259 | } | |
260 | } | |
e094e853 LP |
261 | |
262 | bool job_type_is_conflicting(JobType a, JobType b) { | |
cd2dbd7d LP |
263 | assert(a >= 0 && a < _JOB_TYPE_MAX); |
264 | assert(b >= 0 && b < _JOB_TYPE_MAX); | |
e094e853 | 265 | |
5cb5a6ff | 266 | return (a == JOB_STOP) != (b == JOB_STOP); |
e094e853 | 267 | } |
cd2dbd7d | 268 | |
593fbdd2 LP |
269 | bool job_type_is_redundant(JobType a, UnitActiveState b) { |
270 | switch (a) { | |
271 | ||
272 | case JOB_START: | |
273 | return | |
274 | b == UNIT_ACTIVE || | |
275 | b == UNIT_ACTIVE_RELOADING; | |
276 | ||
277 | case JOB_STOP: | |
278 | return | |
279 | b == UNIT_INACTIVE; | |
280 | ||
281 | case JOB_VERIFY_ACTIVE: | |
282 | return | |
283 | b == UNIT_ACTIVE || | |
284 | b == UNIT_ACTIVE_RELOADING; | |
285 | ||
286 | case JOB_RELOAD: | |
287 | return | |
288 | b == UNIT_ACTIVE_RELOADING; | |
289 | ||
290 | case JOB_RELOAD_OR_START: | |
291 | return | |
292 | b == UNIT_ACTIVATING || | |
293 | b == UNIT_ACTIVE_RELOADING; | |
294 | ||
295 | case JOB_RESTART: | |
296 | return | |
297 | b == UNIT_ACTIVATING; | |
298 | ||
299 | case JOB_TRY_RESTART: | |
300 | return | |
301 | b == UNIT_ACTIVATING; | |
302 | ||
303 | default: | |
304 | assert_not_reached("Invalid job type"); | |
305 | } | |
306 | } | |
307 | ||
5cb5a6ff | 308 | bool job_is_runnable(Job *j) { |
034c6ed7 | 309 | Iterator i; |
87f0e418 | 310 | Unit *other; |
5cb5a6ff LP |
311 | |
312 | assert(j); | |
ac1135be | 313 | assert(j->installed); |
5cb5a6ff | 314 | |
87f0e418 | 315 | /* Checks whether there is any job running for the units this |
5cb5a6ff LP |
316 | * job needs to be running after (in the case of a 'positive' |
317 | * job type) or before (in the case of a 'negative' job type | |
318 | * . */ | |
319 | ||
320 | if (j->type == JOB_START || | |
321 | j->type == JOB_VERIFY_ACTIVE || | |
322 | j->type == JOB_RELOAD || | |
323 | j->type == JOB_RELOAD_OR_START) { | |
324 | ||
325 | /* Immediate result is that the job is or might be | |
326 | * started. In this case lets wait for the | |
327 | * dependencies, regardless whether they are | |
328 | * starting or stopping something. */ | |
329 | ||
87f0e418 | 330 | SET_FOREACH(other, j->unit->meta.dependencies[UNIT_AFTER], i) |
5cb5a6ff LP |
331 | if (other->meta.job) |
332 | return false; | |
333 | } | |
334 | ||
335 | /* Also, if something else is being stopped and we should | |
336 | * change state after it, then lets wait. */ | |
337 | ||
87f0e418 | 338 | SET_FOREACH(other, j->unit->meta.dependencies[UNIT_BEFORE], i) |
5cb5a6ff LP |
339 | if (other->meta.job && |
340 | (other->meta.job->type == JOB_STOP || | |
341 | other->meta.job->type == JOB_RESTART || | |
342 | other->meta.job->type == JOB_TRY_RESTART)) | |
343 | return false; | |
344 | ||
345 | /* This means that for a service a and a service b where b | |
346 | * shall be started after a: | |
347 | * | |
348 | * start a + start b ā 1st step start a, 2nd step start b | |
349 | * start a + stop b ā 1st step stop b, 2nd step start a | |
350 | * stop a + start b ā 1st step stop a, 2nd step start b | |
351 | * stop a + stop b ā 1st step stop b, 2nd step stop a | |
352 | * | |
353 | * This has the side effect that restarts are properly | |
354 | * synchronized too. */ | |
355 | ||
356 | return true; | |
357 | } | |
358 | ||
359 | int job_run_and_invalidate(Job *j) { | |
360 | int r; | |
ac1135be | 361 | |
5cb5a6ff | 362 | assert(j); |
ac1135be | 363 | assert(j->installed); |
5cb5a6ff | 364 | |
034c6ed7 LP |
365 | if (j->in_run_queue) { |
366 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); | |
367 | j->in_run_queue = false; | |
368 | } | |
5cb5a6ff LP |
369 | |
370 | if (j->state != JOB_WAITING) | |
371 | return 0; | |
372 | ||
034c6ed7 LP |
373 | if (!job_is_runnable(j)) |
374 | return -EAGAIN; | |
375 | ||
83c60c9f | 376 | j->state = JOB_RUNNING; |
c1e1601e | 377 | job_add_to_dbus_queue(j); |
83c60c9f | 378 | |
5cb5a6ff LP |
379 | switch (j->type) { |
380 | ||
381 | case JOB_START: | |
87f0e418 | 382 | r = unit_start(j->unit); |
5cb5a6ff LP |
383 | if (r == -EBADR) |
384 | r = 0; | |
385 | break; | |
386 | ||
387 | case JOB_VERIFY_ACTIVE: { | |
87f0e418 LP |
388 | UnitActiveState t = unit_active_state(j->unit); |
389 | if (UNIT_IS_ACTIVE_OR_RELOADING(t)) | |
5cb5a6ff | 390 | r = -EALREADY; |
87f0e418 | 391 | else if (t == UNIT_ACTIVATING) |
5cb5a6ff LP |
392 | r = -EAGAIN; |
393 | else | |
394 | r = -ENOEXEC; | |
395 | break; | |
396 | } | |
397 | ||
398 | case JOB_STOP: | |
87f0e418 | 399 | r = unit_stop(j->unit); |
5cb5a6ff LP |
400 | break; |
401 | ||
402 | case JOB_RELOAD: | |
87f0e418 | 403 | r = unit_reload(j->unit); |
5cb5a6ff LP |
404 | break; |
405 | ||
406 | case JOB_RELOAD_OR_START: | |
87f0e418 LP |
407 | if (unit_active_state(j->unit) == UNIT_ACTIVE) |
408 | r = unit_reload(j->unit); | |
5cb5a6ff | 409 | else |
87f0e418 | 410 | r = unit_start(j->unit); |
5cb5a6ff LP |
411 | break; |
412 | ||
413 | case JOB_RESTART: { | |
87f0e418 LP |
414 | UnitActiveState t = unit_active_state(j->unit); |
415 | if (t == UNIT_INACTIVE || t == UNIT_ACTIVATING) { | |
5cb5a6ff | 416 | j->type = JOB_START; |
87f0e418 | 417 | r = unit_start(j->unit); |
5cb5a6ff | 418 | } else |
87f0e418 | 419 | r = unit_stop(j->unit); |
5cb5a6ff LP |
420 | break; |
421 | } | |
422 | ||
423 | case JOB_TRY_RESTART: { | |
87f0e418 LP |
424 | UnitActiveState t = unit_active_state(j->unit); |
425 | if (t == UNIT_INACTIVE || t == UNIT_DEACTIVATING) | |
5cb5a6ff | 426 | r = -ENOEXEC; |
87f0e418 | 427 | else if (t == UNIT_ACTIVATING) { |
5cb5a6ff | 428 | j->type = JOB_START; |
87f0e418 | 429 | r = unit_start(j->unit); |
5cb5a6ff | 430 | } else |
87f0e418 | 431 | r = unit_stop(j->unit); |
5cb5a6ff LP |
432 | break; |
433 | } | |
434 | ||
435 | default: | |
44d8db9e | 436 | assert_not_reached("Unknown job type"); |
5cb5a6ff LP |
437 | } |
438 | ||
83c60c9f | 439 | if (r == -EALREADY) |
5cb5a6ff | 440 | r = job_finish_and_invalidate(j, true); |
83c60c9f LP |
441 | else if (r == -EAGAIN) { |
442 | j->state = JOB_WAITING; | |
443 | return -EAGAIN; | |
444 | } else if (r < 0) | |
5cb5a6ff LP |
445 | r = job_finish_and_invalidate(j, false); |
446 | ||
447 | return r; | |
448 | } | |
449 | ||
450 | int job_finish_and_invalidate(Job *j, bool success) { | |
87f0e418 LP |
451 | Unit *u; |
452 | Unit *other; | |
b866264a | 453 | JobType t; |
034c6ed7 | 454 | Iterator i; |
5cb5a6ff LP |
455 | |
456 | assert(j); | |
ac1135be | 457 | assert(j->installed); |
5cb5a6ff | 458 | |
9e2f7c11 | 459 | log_debug("Job %s/%s finished, success=%s", j->unit->meta.id, job_type_to_string(j->type), yes_no(success)); |
c1e1601e | 460 | job_add_to_dbus_queue(j); |
f50e0a01 | 461 | |
034c6ed7 | 462 | /* Patch restart jobs so that they become normal start jobs */ |
5cb5a6ff | 463 | if (success && (j->type == JOB_RESTART || j->type == JOB_TRY_RESTART)) { |
f50e0a01 LP |
464 | |
465 | log_debug("Converting job %s/%s ā %s/%s", | |
9e2f7c11 LP |
466 | j->unit->meta.id, job_type_to_string(j->type), |
467 | j->unit->meta.id, job_type_to_string(JOB_START)); | |
f50e0a01 | 468 | |
5cb5a6ff LP |
469 | j->state = JOB_RUNNING; |
470 | j->type = JOB_START; | |
f50e0a01 | 471 | |
c1e1601e | 472 | job_add_to_run_queue(j); |
034c6ed7 | 473 | return 0; |
5cb5a6ff LP |
474 | } |
475 | ||
87f0e418 | 476 | u = j->unit; |
5cb5a6ff LP |
477 | t = j->type; |
478 | job_free(j); | |
479 | ||
480 | /* Fail depending jobs on failure */ | |
481 | if (!success) { | |
482 | ||
483 | if (t == JOB_START || | |
484 | t == JOB_VERIFY_ACTIVE || | |
485 | t == JOB_RELOAD_OR_START) { | |
486 | ||
87f0e418 | 487 | SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i) |
5cb5a6ff | 488 | if (other->meta.job && |
dda5a135 LP |
489 | (other->meta.job->type == JOB_START || |
490 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
491 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
492 | job_finish_and_invalidate(other->meta.job, false); |
493 | ||
9e2f7c11 | 494 | SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i) |
5cb5a6ff | 495 | if (other->meta.job && |
9e2f7c11 | 496 | !other->meta.job->override && |
dda5a135 LP |
497 | (other->meta.job->type == JOB_START || |
498 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
499 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
500 | job_finish_and_invalidate(other->meta.job, false); |
501 | ||
502 | } else if (t == JOB_STOP) { | |
503 | ||
87f0e418 | 504 | SET_FOREACH(other, u->meta.dependencies[UNIT_CONFLICTS], i) |
5cb5a6ff | 505 | if (other->meta.job && |
dda5a135 LP |
506 | (other->meta.job->type == JOB_START || |
507 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
508 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
509 | job_finish_and_invalidate(other->meta.job, false); |
510 | } | |
511 | } | |
512 | ||
513 | /* Try to start the next jobs that can be started */ | |
87f0e418 | 514 | SET_FOREACH(other, u->meta.dependencies[UNIT_AFTER], i) |
5cb5a6ff | 515 | if (other->meta.job) |
c1e1601e | 516 | job_add_to_run_queue(other->meta.job); |
87f0e418 | 517 | SET_FOREACH(other, u->meta.dependencies[UNIT_BEFORE], i) |
5cb5a6ff | 518 | if (other->meta.job) |
c1e1601e | 519 | job_add_to_run_queue(other->meta.job); |
5cb5a6ff LP |
520 | |
521 | return 0; | |
522 | } | |
034c6ed7 | 523 | |
c1e1601e | 524 | void job_add_to_run_queue(Job *j) { |
034c6ed7 | 525 | assert(j); |
ac1135be | 526 | assert(j->installed); |
034c6ed7 LP |
527 | |
528 | if (j->in_run_queue) | |
529 | return; | |
530 | ||
531 | LIST_PREPEND(Job, run_queue, j->manager->run_queue, j); | |
532 | j->in_run_queue = true; | |
533 | } | |
94f04347 | 534 | |
c1e1601e LP |
535 | void job_add_to_dbus_queue(Job *j) { |
536 | assert(j); | |
537 | assert(j->installed); | |
538 | ||
539 | if (j->in_dbus_queue) | |
540 | return; | |
541 | ||
542 | LIST_PREPEND(Job, dbus_queue, j->manager->dbus_job_queue, j); | |
543 | j->in_dbus_queue = true; | |
544 | } | |
545 | ||
ea430986 LP |
546 | char *job_dbus_path(Job *j) { |
547 | char *p; | |
548 | ||
549 | assert(j); | |
550 | ||
551 | if (asprintf(&p, "/org/freedesktop/systemd1/job/%lu", (unsigned long) j->id) < 0) | |
552 | return NULL; | |
553 | ||
554 | return p; | |
555 | } | |
556 | ||
94f04347 LP |
557 | static const char* const job_state_table[_JOB_STATE_MAX] = { |
558 | [JOB_WAITING] = "waiting", | |
559 | [JOB_RUNNING] = "running" | |
560 | }; | |
561 | ||
562 | DEFINE_STRING_TABLE_LOOKUP(job_state, JobState); | |
563 | ||
564 | static const char* const job_type_table[_JOB_TYPE_MAX] = { | |
565 | [JOB_START] = "start", | |
566 | [JOB_VERIFY_ACTIVE] = "verify-active", | |
567 | [JOB_STOP] = "stop", | |
568 | [JOB_RELOAD] = "reload", | |
569 | [JOB_RELOAD_OR_START] = "reload-or-start", | |
570 | [JOB_RESTART] = "restart", | |
571 | [JOB_TRY_RESTART] = "try-restart", | |
572 | }; | |
573 | ||
574 | DEFINE_STRING_TABLE_LOOKUP(job_type, JobType); | |
b548631a LP |
575 | |
576 | static const char* const job_mode_table[_JOB_MODE_MAX] = { | |
577 | [JOB_FAIL] = "fail", | |
578 | [JOB_REPLACE] = "replace" | |
579 | }; | |
580 | ||
581 | DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode); |