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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 | ||
701cc384 | 61 | if (j->unit->meta.job == j) { |
87f0e418 | 62 | j->unit->meta.job = NULL; |
701cc384 LP |
63 | unit_add_to_gc_queue(j->unit); |
64 | } | |
60918275 LP |
65 | |
66 | hashmap_remove(j->manager->jobs, UINT32_TO_PTR(j->id)); | |
ac1135be | 67 | j->installed = false; |
60918275 LP |
68 | } |
69 | ||
5cb5a6ff | 70 | /* Detach from next 'smaller' objects */ |
23a177ef | 71 | manager_transaction_unlink_job(j->manager, j, true); |
60918275 | 72 | |
c1e1601e LP |
73 | if (j->in_run_queue) |
74 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); | |
75 | ||
76 | if (j->in_dbus_queue) | |
77 | LIST_REMOVE(Job, dbus_queue, j->manager->dbus_job_queue, j); | |
78 | ||
60918275 LP |
79 | free(j); |
80 | } | |
a66d02c3 | 81 | |
e5b5ae50 LP |
82 | JobDependency* job_dependency_new(Job *subject, Job *object, bool matters) { |
83 | JobDependency *l; | |
84 | ||
85 | assert(object); | |
86 | ||
87 | /* Adds a new job link, which encodes that the 'subject' job | |
88 | * needs the 'object' job in some way. If 'subject' is NULL | |
89 | * this means the 'anchor' job (i.e. the one the user | |
90 | * explcitily asked for) is the requester. */ | |
91 | ||
ceed3570 | 92 | if (!(l = new0(JobDependency, 1))) |
e5b5ae50 LP |
93 | return NULL; |
94 | ||
95 | l->subject = subject; | |
96 | l->object = object; | |
97 | l->matters = matters; | |
98 | ||
44d8db9e LP |
99 | if (subject) |
100 | LIST_PREPEND(JobDependency, subject, subject->subject_list, l); | |
101 | else | |
102 | LIST_PREPEND(JobDependency, subject, object->manager->transaction_anchor, l); | |
e5b5ae50 | 103 | |
44d8db9e | 104 | LIST_PREPEND(JobDependency, object, object->object_list, l); |
e5b5ae50 LP |
105 | |
106 | return l; | |
107 | } | |
108 | ||
109 | void job_dependency_free(JobDependency *l) { | |
110 | assert(l); | |
111 | ||
44d8db9e LP |
112 | if (l->subject) |
113 | LIST_REMOVE(JobDependency, subject, l->subject->subject_list, l); | |
e5b5ae50 | 114 | else |
44d8db9e | 115 | LIST_REMOVE(JobDependency, subject, l->object->manager->transaction_anchor, l); |
e5b5ae50 | 116 | |
44d8db9e | 117 | LIST_REMOVE(JobDependency, object, l->object->object_list, l); |
e5b5ae50 LP |
118 | |
119 | free(l); | |
120 | } | |
121 | ||
122 | void job_dependency_delete(Job *subject, Job *object, bool *matters) { | |
123 | JobDependency *l; | |
124 | ||
125 | assert(object); | |
126 | ||
44d8db9e | 127 | LIST_FOREACH(object, l, object->object_list) { |
e5b5ae50 LP |
128 | assert(l->object == object); |
129 | ||
130 | if (l->subject == subject) | |
131 | break; | |
132 | } | |
133 | ||
134 | if (!l) { | |
135 | if (matters) | |
136 | *matters = false; | |
137 | return; | |
138 | } | |
139 | ||
140 | if (matters) | |
141 | *matters = l->matters; | |
142 | ||
143 | job_dependency_free(l); | |
144 | } | |
145 | ||
1ffba6fe LP |
146 | void job_dump(Job *j, FILE*f, const char *prefix) { |
147 | ||
a66d02c3 LP |
148 | |
149 | assert(j); | |
150 | assert(f); | |
151 | ||
ceed3570 | 152 | fprintf(f, |
40d50879 LP |
153 | "%s-> Job %u:\n" |
154 | "%s\tAction: %s -> %s\n" | |
5cb5a6ff LP |
155 | "%s\tState: %s\n" |
156 | "%s\tForced: %s\n", | |
ceed3570 | 157 | prefix, j->id, |
9e2f7c11 | 158 | prefix, j->unit->meta.id, job_type_to_string(j->type), |
94f04347 | 159 | prefix, job_state_to_string(j->state), |
9e2f7c11 | 160 | prefix, yes_no(j->override)); |
a66d02c3 | 161 | } |
e5b5ae50 LP |
162 | |
163 | bool job_is_anchor(Job *j) { | |
164 | JobDependency *l; | |
165 | ||
166 | assert(j); | |
167 | ||
44d8db9e | 168 | LIST_FOREACH(object, l, j->object_list) |
e5b5ae50 LP |
169 | if (!l->subject) |
170 | return true; | |
171 | ||
172 | return false; | |
173 | } | |
1ffba6fe LP |
174 | |
175 | static bool types_match(JobType a, JobType b, JobType c, JobType d) { | |
176 | return | |
177 | (a == c && b == d) || | |
178 | (a == d && b == c); | |
179 | } | |
180 | ||
181 | int job_type_merge(JobType *a, JobType b) { | |
182 | if (*a == b) | |
183 | return 0; | |
184 | ||
185 | /* Merging is associative! a merged with b merged with c is | |
186 | * the same as a merged with c merged with b. */ | |
187 | ||
188 | /* Mergeability is transitive! if a can be merged with b and b | |
189 | * with c then a also with c */ | |
190 | ||
191 | /* Also, if a merged with b cannot be merged with c, then | |
192 | * either a or b cannot be merged with c either */ | |
193 | ||
5cb5a6ff | 194 | if (types_match(*a, b, JOB_START, JOB_VERIFY_ACTIVE)) |
1ffba6fe LP |
195 | *a = JOB_START; |
196 | else if (types_match(*a, b, JOB_START, JOB_RELOAD) || | |
197 | types_match(*a, b, JOB_START, JOB_RELOAD_OR_START) || | |
5cb5a6ff | 198 | types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RELOAD_OR_START) || |
1ffba6fe LP |
199 | types_match(*a, b, JOB_RELOAD, JOB_RELOAD_OR_START)) |
200 | *a = JOB_RELOAD_OR_START; | |
201 | else if (types_match(*a, b, JOB_START, JOB_RESTART) || | |
202 | types_match(*a, b, JOB_START, JOB_TRY_RESTART) || | |
5cb5a6ff | 203 | types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RESTART) || |
1ffba6fe LP |
204 | types_match(*a, b, JOB_RELOAD, JOB_RESTART) || |
205 | types_match(*a, b, JOB_RELOAD_OR_START, JOB_RESTART) || | |
206 | types_match(*a, b, JOB_RELOAD_OR_START, JOB_TRY_RESTART) || | |
207 | types_match(*a, b, JOB_RESTART, JOB_TRY_RESTART)) | |
208 | *a = JOB_RESTART; | |
5cb5a6ff | 209 | else if (types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RELOAD)) |
1ffba6fe | 210 | *a = JOB_RELOAD; |
5cb5a6ff | 211 | else if (types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_TRY_RESTART) || |
1ffba6fe LP |
212 | types_match(*a, b, JOB_RELOAD, JOB_TRY_RESTART)) |
213 | *a = JOB_TRY_RESTART; | |
214 | else | |
215 | return -EEXIST; | |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
5cb5a6ff | 220 | bool job_type_is_mergeable(JobType a, JobType b) { |
1ffba6fe LP |
221 | return job_type_merge(&a, b) >= 0; |
222 | } | |
223 | ||
224 | bool job_type_is_superset(JobType a, JobType b) { | |
225 | ||
5cb5a6ff LP |
226 | /* Checks whether operation a is a "superset" of b in its |
227 | * actions */ | |
1ffba6fe LP |
228 | |
229 | if (a == b) | |
230 | return true; | |
231 | ||
232 | switch (a) { | |
233 | case JOB_START: | |
5cb5a6ff | 234 | return b == JOB_VERIFY_ACTIVE; |
1ffba6fe LP |
235 | |
236 | case JOB_RELOAD: | |
5cb5a6ff LP |
237 | return |
238 | b == JOB_VERIFY_ACTIVE; | |
1ffba6fe LP |
239 | |
240 | case JOB_RELOAD_OR_START: | |
241 | return | |
242 | b == JOB_RELOAD || | |
5cb5a6ff LP |
243 | b == JOB_START || |
244 | b == JOB_VERIFY_ACTIVE; | |
1ffba6fe LP |
245 | |
246 | case JOB_RESTART: | |
247 | return | |
248 | b == JOB_START || | |
5cb5a6ff | 249 | b == JOB_VERIFY_ACTIVE || |
1ffba6fe LP |
250 | b == JOB_RELOAD || |
251 | b == JOB_RELOAD_OR_START || | |
252 | b == JOB_TRY_RESTART; | |
253 | ||
254 | case JOB_TRY_RESTART: | |
255 | return | |
5cb5a6ff | 256 | b == JOB_VERIFY_ACTIVE || |
1ffba6fe LP |
257 | b == JOB_RELOAD; |
258 | default: | |
259 | return false; | |
260 | ||
261 | } | |
262 | } | |
e094e853 LP |
263 | |
264 | bool job_type_is_conflicting(JobType a, JobType b) { | |
cd2dbd7d LP |
265 | assert(a >= 0 && a < _JOB_TYPE_MAX); |
266 | assert(b >= 0 && b < _JOB_TYPE_MAX); | |
e094e853 | 267 | |
5cb5a6ff | 268 | return (a == JOB_STOP) != (b == JOB_STOP); |
e094e853 | 269 | } |
cd2dbd7d | 270 | |
593fbdd2 LP |
271 | bool job_type_is_redundant(JobType a, UnitActiveState b) { |
272 | switch (a) { | |
273 | ||
274 | case JOB_START: | |
275 | return | |
276 | b == UNIT_ACTIVE || | |
277 | b == UNIT_ACTIVE_RELOADING; | |
278 | ||
279 | case JOB_STOP: | |
280 | return | |
281 | b == UNIT_INACTIVE; | |
282 | ||
283 | case JOB_VERIFY_ACTIVE: | |
284 | return | |
285 | b == UNIT_ACTIVE || | |
286 | b == UNIT_ACTIVE_RELOADING; | |
287 | ||
288 | case JOB_RELOAD: | |
289 | return | |
290 | b == UNIT_ACTIVE_RELOADING; | |
291 | ||
292 | case JOB_RELOAD_OR_START: | |
293 | return | |
294 | b == UNIT_ACTIVATING || | |
295 | b == UNIT_ACTIVE_RELOADING; | |
296 | ||
297 | case JOB_RESTART: | |
298 | return | |
299 | b == UNIT_ACTIVATING; | |
300 | ||
301 | case JOB_TRY_RESTART: | |
302 | return | |
303 | b == UNIT_ACTIVATING; | |
304 | ||
305 | default: | |
306 | assert_not_reached("Invalid job type"); | |
307 | } | |
308 | } | |
309 | ||
5cb5a6ff | 310 | bool job_is_runnable(Job *j) { |
034c6ed7 | 311 | Iterator i; |
87f0e418 | 312 | Unit *other; |
5cb5a6ff LP |
313 | |
314 | assert(j); | |
ac1135be | 315 | assert(j->installed); |
5cb5a6ff | 316 | |
87f0e418 | 317 | /* Checks whether there is any job running for the units this |
5cb5a6ff LP |
318 | * job needs to be running after (in the case of a 'positive' |
319 | * job type) or before (in the case of a 'negative' job type | |
320 | * . */ | |
321 | ||
322 | if (j->type == JOB_START || | |
323 | j->type == JOB_VERIFY_ACTIVE || | |
324 | j->type == JOB_RELOAD || | |
325 | j->type == JOB_RELOAD_OR_START) { | |
326 | ||
327 | /* Immediate result is that the job is or might be | |
328 | * started. In this case lets wait for the | |
329 | * dependencies, regardless whether they are | |
330 | * starting or stopping something. */ | |
331 | ||
87f0e418 | 332 | SET_FOREACH(other, j->unit->meta.dependencies[UNIT_AFTER], i) |
5cb5a6ff LP |
333 | if (other->meta.job) |
334 | return false; | |
335 | } | |
336 | ||
337 | /* Also, if something else is being stopped and we should | |
338 | * change state after it, then lets wait. */ | |
339 | ||
87f0e418 | 340 | SET_FOREACH(other, j->unit->meta.dependencies[UNIT_BEFORE], i) |
5cb5a6ff LP |
341 | if (other->meta.job && |
342 | (other->meta.job->type == JOB_STOP || | |
343 | other->meta.job->type == JOB_RESTART || | |
344 | other->meta.job->type == JOB_TRY_RESTART)) | |
345 | return false; | |
346 | ||
347 | /* This means that for a service a and a service b where b | |
348 | * shall be started after a: | |
349 | * | |
350 | * start a + start b → 1st step start a, 2nd step start b | |
351 | * start a + stop b → 1st step stop b, 2nd step start a | |
352 | * stop a + start b → 1st step stop a, 2nd step start b | |
353 | * stop a + stop b → 1st step stop b, 2nd step stop a | |
354 | * | |
355 | * This has the side effect that restarts are properly | |
356 | * synchronized too. */ | |
357 | ||
358 | return true; | |
359 | } | |
360 | ||
361 | int job_run_and_invalidate(Job *j) { | |
362 | int r; | |
ac1135be | 363 | |
5cb5a6ff | 364 | assert(j); |
ac1135be | 365 | assert(j->installed); |
5cb5a6ff | 366 | |
034c6ed7 LP |
367 | if (j->in_run_queue) { |
368 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); | |
369 | j->in_run_queue = false; | |
370 | } | |
5cb5a6ff LP |
371 | |
372 | if (j->state != JOB_WAITING) | |
373 | return 0; | |
374 | ||
034c6ed7 LP |
375 | if (!job_is_runnable(j)) |
376 | return -EAGAIN; | |
377 | ||
83c60c9f | 378 | j->state = JOB_RUNNING; |
c1e1601e | 379 | job_add_to_dbus_queue(j); |
83c60c9f | 380 | |
5cb5a6ff LP |
381 | switch (j->type) { |
382 | ||
383 | case JOB_START: | |
87f0e418 | 384 | r = unit_start(j->unit); |
5cb5a6ff LP |
385 | if (r == -EBADR) |
386 | r = 0; | |
387 | break; | |
388 | ||
389 | case JOB_VERIFY_ACTIVE: { | |
87f0e418 LP |
390 | UnitActiveState t = unit_active_state(j->unit); |
391 | if (UNIT_IS_ACTIVE_OR_RELOADING(t)) | |
5cb5a6ff | 392 | r = -EALREADY; |
87f0e418 | 393 | else if (t == UNIT_ACTIVATING) |
5cb5a6ff LP |
394 | r = -EAGAIN; |
395 | else | |
396 | r = -ENOEXEC; | |
397 | break; | |
398 | } | |
399 | ||
400 | case JOB_STOP: | |
87f0e418 | 401 | r = unit_stop(j->unit); |
5cb5a6ff LP |
402 | break; |
403 | ||
404 | case JOB_RELOAD: | |
87f0e418 | 405 | r = unit_reload(j->unit); |
5cb5a6ff LP |
406 | break; |
407 | ||
408 | case JOB_RELOAD_OR_START: | |
87f0e418 LP |
409 | if (unit_active_state(j->unit) == UNIT_ACTIVE) |
410 | r = unit_reload(j->unit); | |
5cb5a6ff | 411 | else |
87f0e418 | 412 | r = unit_start(j->unit); |
5cb5a6ff LP |
413 | break; |
414 | ||
415 | case JOB_RESTART: { | |
87f0e418 LP |
416 | UnitActiveState t = unit_active_state(j->unit); |
417 | if (t == UNIT_INACTIVE || t == UNIT_ACTIVATING) { | |
5cb5a6ff | 418 | j->type = JOB_START; |
87f0e418 | 419 | r = unit_start(j->unit); |
5cb5a6ff | 420 | } else |
87f0e418 | 421 | r = unit_stop(j->unit); |
5cb5a6ff LP |
422 | break; |
423 | } | |
424 | ||
425 | case JOB_TRY_RESTART: { | |
87f0e418 LP |
426 | UnitActiveState t = unit_active_state(j->unit); |
427 | if (t == UNIT_INACTIVE || t == UNIT_DEACTIVATING) | |
5cb5a6ff | 428 | r = -ENOEXEC; |
87f0e418 | 429 | else if (t == UNIT_ACTIVATING) { |
5cb5a6ff | 430 | j->type = JOB_START; |
87f0e418 | 431 | r = unit_start(j->unit); |
5cb5a6ff | 432 | } else |
87f0e418 | 433 | r = unit_stop(j->unit); |
5cb5a6ff LP |
434 | break; |
435 | } | |
436 | ||
437 | default: | |
44d8db9e | 438 | assert_not_reached("Unknown job type"); |
5cb5a6ff LP |
439 | } |
440 | ||
83c60c9f | 441 | if (r == -EALREADY) |
5cb5a6ff | 442 | r = job_finish_and_invalidate(j, true); |
83c60c9f LP |
443 | else if (r == -EAGAIN) { |
444 | j->state = JOB_WAITING; | |
445 | return -EAGAIN; | |
446 | } else if (r < 0) | |
5cb5a6ff LP |
447 | r = job_finish_and_invalidate(j, false); |
448 | ||
449 | return r; | |
450 | } | |
451 | ||
452 | int job_finish_and_invalidate(Job *j, bool success) { | |
87f0e418 LP |
453 | Unit *u; |
454 | Unit *other; | |
b866264a | 455 | JobType t; |
034c6ed7 | 456 | Iterator i; |
5cb5a6ff LP |
457 | |
458 | assert(j); | |
ac1135be | 459 | assert(j->installed); |
5cb5a6ff | 460 | |
9e2f7c11 | 461 | log_debug("Job %s/%s finished, success=%s", j->unit->meta.id, job_type_to_string(j->type), yes_no(success)); |
c1e1601e | 462 | job_add_to_dbus_queue(j); |
f50e0a01 | 463 | |
034c6ed7 | 464 | /* Patch restart jobs so that they become normal start jobs */ |
5cb5a6ff | 465 | if (success && (j->type == JOB_RESTART || j->type == JOB_TRY_RESTART)) { |
f50e0a01 | 466 | |
40d50879 | 467 | log_debug("Converting job %s/%s -> %s/%s", |
9e2f7c11 LP |
468 | j->unit->meta.id, job_type_to_string(j->type), |
469 | j->unit->meta.id, job_type_to_string(JOB_START)); | |
f50e0a01 | 470 | |
5cb5a6ff LP |
471 | j->state = JOB_RUNNING; |
472 | j->type = JOB_START; | |
f50e0a01 | 473 | |
c1e1601e | 474 | job_add_to_run_queue(j); |
034c6ed7 | 475 | return 0; |
5cb5a6ff LP |
476 | } |
477 | ||
87f0e418 | 478 | u = j->unit; |
5cb5a6ff LP |
479 | t = j->type; |
480 | job_free(j); | |
481 | ||
482 | /* Fail depending jobs on failure */ | |
483 | if (!success) { | |
484 | ||
485 | if (t == JOB_START || | |
486 | t == JOB_VERIFY_ACTIVE || | |
487 | t == JOB_RELOAD_OR_START) { | |
488 | ||
87f0e418 | 489 | SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i) |
5cb5a6ff | 490 | if (other->meta.job && |
dda5a135 LP |
491 | (other->meta.job->type == JOB_START || |
492 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
493 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
494 | job_finish_and_invalidate(other->meta.job, false); |
495 | ||
9e2f7c11 | 496 | SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i) |
5cb5a6ff | 497 | if (other->meta.job && |
9e2f7c11 | 498 | !other->meta.job->override && |
dda5a135 LP |
499 | (other->meta.job->type == JOB_START || |
500 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
501 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
502 | job_finish_and_invalidate(other->meta.job, false); |
503 | ||
504 | } else if (t == JOB_STOP) { | |
505 | ||
87f0e418 | 506 | SET_FOREACH(other, u->meta.dependencies[UNIT_CONFLICTS], i) |
5cb5a6ff | 507 | if (other->meta.job && |
dda5a135 LP |
508 | (other->meta.job->type == JOB_START || |
509 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
510 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
511 | job_finish_and_invalidate(other->meta.job, false); |
512 | } | |
513 | } | |
514 | ||
515 | /* Try to start the next jobs that can be started */ | |
87f0e418 | 516 | SET_FOREACH(other, u->meta.dependencies[UNIT_AFTER], i) |
5cb5a6ff | 517 | if (other->meta.job) |
c1e1601e | 518 | job_add_to_run_queue(other->meta.job); |
87f0e418 | 519 | SET_FOREACH(other, u->meta.dependencies[UNIT_BEFORE], i) |
5cb5a6ff | 520 | if (other->meta.job) |
c1e1601e | 521 | job_add_to_run_queue(other->meta.job); |
5cb5a6ff LP |
522 | |
523 | return 0; | |
524 | } | |
034c6ed7 | 525 | |
c1e1601e | 526 | void job_add_to_run_queue(Job *j) { |
034c6ed7 | 527 | assert(j); |
ac1135be | 528 | assert(j->installed); |
034c6ed7 LP |
529 | |
530 | if (j->in_run_queue) | |
531 | return; | |
532 | ||
533 | LIST_PREPEND(Job, run_queue, j->manager->run_queue, j); | |
534 | j->in_run_queue = true; | |
535 | } | |
94f04347 | 536 | |
c1e1601e LP |
537 | void job_add_to_dbus_queue(Job *j) { |
538 | assert(j); | |
539 | assert(j->installed); | |
540 | ||
541 | if (j->in_dbus_queue) | |
542 | return; | |
543 | ||
544 | LIST_PREPEND(Job, dbus_queue, j->manager->dbus_job_queue, j); | |
545 | j->in_dbus_queue = true; | |
546 | } | |
547 | ||
ea430986 LP |
548 | char *job_dbus_path(Job *j) { |
549 | char *p; | |
550 | ||
551 | assert(j); | |
552 | ||
553 | if (asprintf(&p, "/org/freedesktop/systemd1/job/%lu", (unsigned long) j->id) < 0) | |
554 | return NULL; | |
555 | ||
556 | return p; | |
557 | } | |
558 | ||
94f04347 LP |
559 | static const char* const job_state_table[_JOB_STATE_MAX] = { |
560 | [JOB_WAITING] = "waiting", | |
561 | [JOB_RUNNING] = "running" | |
562 | }; | |
563 | ||
564 | DEFINE_STRING_TABLE_LOOKUP(job_state, JobState); | |
565 | ||
566 | static const char* const job_type_table[_JOB_TYPE_MAX] = { | |
567 | [JOB_START] = "start", | |
568 | [JOB_VERIFY_ACTIVE] = "verify-active", | |
569 | [JOB_STOP] = "stop", | |
570 | [JOB_RELOAD] = "reload", | |
571 | [JOB_RELOAD_OR_START] = "reload-or-start", | |
572 | [JOB_RESTART] = "restart", | |
573 | [JOB_TRY_RESTART] = "try-restart", | |
574 | }; | |
575 | ||
576 | DEFINE_STRING_TABLE_LOOKUP(job_type, JobType); | |
b548631a LP |
577 | |
578 | static const char* const job_mode_table[_JOB_MODE_MAX] = { | |
579 | [JOB_FAIL] = "fail", | |
c497c7a9 LP |
580 | [JOB_REPLACE] = "replace", |
581 | [JOB_ISOLATE] = "isolate" | |
b548631a LP |
582 | }; |
583 | ||
584 | DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode); |