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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) { |
7535cc78 | 59 | bus_job_send_removed_signal(j, !j->failed); |
c1e1601e | 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 | 146 | void job_dump(Job *j, FILE*f, const char *prefix) { |
a66d02c3 LP |
147 | assert(j); |
148 | assert(f); | |
149 | ||
9eb63b3c LP |
150 | if (!prefix) |
151 | prefix = ""; | |
152 | ||
ceed3570 | 153 | fprintf(f, |
40d50879 LP |
154 | "%s-> Job %u:\n" |
155 | "%s\tAction: %s -> %s\n" | |
5cb5a6ff LP |
156 | "%s\tState: %s\n" |
157 | "%s\tForced: %s\n", | |
ceed3570 | 158 | prefix, j->id, |
9e2f7c11 | 159 | prefix, j->unit->meta.id, job_type_to_string(j->type), |
94f04347 | 160 | prefix, job_state_to_string(j->state), |
9e2f7c11 | 161 | prefix, yes_no(j->override)); |
a66d02c3 | 162 | } |
e5b5ae50 LP |
163 | |
164 | bool job_is_anchor(Job *j) { | |
165 | JobDependency *l; | |
166 | ||
167 | assert(j); | |
168 | ||
44d8db9e | 169 | LIST_FOREACH(object, l, j->object_list) |
e5b5ae50 LP |
170 | if (!l->subject) |
171 | return true; | |
172 | ||
173 | return false; | |
174 | } | |
1ffba6fe LP |
175 | |
176 | static bool types_match(JobType a, JobType b, JobType c, JobType d) { | |
177 | return | |
178 | (a == c && b == d) || | |
179 | (a == d && b == c); | |
180 | } | |
181 | ||
182 | int job_type_merge(JobType *a, JobType b) { | |
183 | if (*a == b) | |
184 | return 0; | |
185 | ||
186 | /* Merging is associative! a merged with b merged with c is | |
187 | * the same as a merged with c merged with b. */ | |
188 | ||
189 | /* Mergeability is transitive! if a can be merged with b and b | |
190 | * with c then a also with c */ | |
191 | ||
192 | /* Also, if a merged with b cannot be merged with c, then | |
193 | * either a or b cannot be merged with c either */ | |
194 | ||
5cb5a6ff | 195 | if (types_match(*a, b, JOB_START, JOB_VERIFY_ACTIVE)) |
1ffba6fe LP |
196 | *a = JOB_START; |
197 | else if (types_match(*a, b, JOB_START, JOB_RELOAD) || | |
198 | types_match(*a, b, JOB_START, JOB_RELOAD_OR_START) || | |
5cb5a6ff | 199 | types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RELOAD_OR_START) || |
1ffba6fe LP |
200 | types_match(*a, b, JOB_RELOAD, JOB_RELOAD_OR_START)) |
201 | *a = JOB_RELOAD_OR_START; | |
202 | else if (types_match(*a, b, JOB_START, JOB_RESTART) || | |
203 | types_match(*a, b, JOB_START, JOB_TRY_RESTART) || | |
5cb5a6ff | 204 | types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RESTART) || |
1ffba6fe LP |
205 | types_match(*a, b, JOB_RELOAD, JOB_RESTART) || |
206 | types_match(*a, b, JOB_RELOAD_OR_START, JOB_RESTART) || | |
207 | types_match(*a, b, JOB_RELOAD_OR_START, JOB_TRY_RESTART) || | |
208 | types_match(*a, b, JOB_RESTART, JOB_TRY_RESTART)) | |
209 | *a = JOB_RESTART; | |
5cb5a6ff | 210 | else if (types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_RELOAD)) |
1ffba6fe | 211 | *a = JOB_RELOAD; |
5cb5a6ff | 212 | else if (types_match(*a, b, JOB_VERIFY_ACTIVE, JOB_TRY_RESTART) || |
1ffba6fe LP |
213 | types_match(*a, b, JOB_RELOAD, JOB_TRY_RESTART)) |
214 | *a = JOB_TRY_RESTART; | |
215 | else | |
216 | return -EEXIST; | |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
5cb5a6ff | 221 | bool job_type_is_mergeable(JobType a, JobType b) { |
1ffba6fe LP |
222 | return job_type_merge(&a, b) >= 0; |
223 | } | |
224 | ||
225 | bool job_type_is_superset(JobType a, JobType b) { | |
226 | ||
5cb5a6ff LP |
227 | /* Checks whether operation a is a "superset" of b in its |
228 | * actions */ | |
1ffba6fe LP |
229 | |
230 | if (a == b) | |
231 | return true; | |
232 | ||
233 | switch (a) { | |
234 | case JOB_START: | |
5cb5a6ff | 235 | return b == JOB_VERIFY_ACTIVE; |
1ffba6fe LP |
236 | |
237 | case JOB_RELOAD: | |
5cb5a6ff LP |
238 | return |
239 | b == JOB_VERIFY_ACTIVE; | |
1ffba6fe LP |
240 | |
241 | case JOB_RELOAD_OR_START: | |
242 | return | |
243 | b == JOB_RELOAD || | |
5cb5a6ff LP |
244 | b == JOB_START || |
245 | b == JOB_VERIFY_ACTIVE; | |
1ffba6fe LP |
246 | |
247 | case JOB_RESTART: | |
248 | return | |
249 | b == JOB_START || | |
5cb5a6ff | 250 | b == JOB_VERIFY_ACTIVE || |
1ffba6fe LP |
251 | b == JOB_RELOAD || |
252 | b == JOB_RELOAD_OR_START || | |
253 | b == JOB_TRY_RESTART; | |
254 | ||
255 | case JOB_TRY_RESTART: | |
256 | return | |
5cb5a6ff | 257 | b == JOB_VERIFY_ACTIVE || |
1ffba6fe LP |
258 | b == JOB_RELOAD; |
259 | default: | |
260 | return false; | |
261 | ||
262 | } | |
263 | } | |
e094e853 LP |
264 | |
265 | bool job_type_is_conflicting(JobType a, JobType b) { | |
cd2dbd7d LP |
266 | assert(a >= 0 && a < _JOB_TYPE_MAX); |
267 | assert(b >= 0 && b < _JOB_TYPE_MAX); | |
e094e853 | 268 | |
5cb5a6ff | 269 | return (a == JOB_STOP) != (b == JOB_STOP); |
e094e853 | 270 | } |
cd2dbd7d | 271 | |
593fbdd2 LP |
272 | bool job_type_is_redundant(JobType a, UnitActiveState b) { |
273 | switch (a) { | |
274 | ||
275 | case JOB_START: | |
276 | return | |
277 | b == UNIT_ACTIVE || | |
278 | b == UNIT_ACTIVE_RELOADING; | |
279 | ||
280 | case JOB_STOP: | |
281 | return | |
282 | b == UNIT_INACTIVE; | |
283 | ||
284 | case JOB_VERIFY_ACTIVE: | |
285 | return | |
286 | b == UNIT_ACTIVE || | |
287 | b == UNIT_ACTIVE_RELOADING; | |
288 | ||
289 | case JOB_RELOAD: | |
290 | return | |
291 | b == UNIT_ACTIVE_RELOADING; | |
292 | ||
293 | case JOB_RELOAD_OR_START: | |
294 | return | |
295 | b == UNIT_ACTIVATING || | |
296 | b == UNIT_ACTIVE_RELOADING; | |
297 | ||
298 | case JOB_RESTART: | |
299 | return | |
300 | b == UNIT_ACTIVATING; | |
301 | ||
302 | case JOB_TRY_RESTART: | |
303 | return | |
304 | b == UNIT_ACTIVATING; | |
305 | ||
306 | default: | |
307 | assert_not_reached("Invalid job type"); | |
308 | } | |
309 | } | |
310 | ||
5cb5a6ff | 311 | bool job_is_runnable(Job *j) { |
034c6ed7 | 312 | Iterator i; |
87f0e418 | 313 | Unit *other; |
5cb5a6ff LP |
314 | |
315 | assert(j); | |
ac1135be | 316 | assert(j->installed); |
5cb5a6ff | 317 | |
87f0e418 | 318 | /* Checks whether there is any job running for the units this |
5cb5a6ff LP |
319 | * job needs to be running after (in the case of a 'positive' |
320 | * job type) or before (in the case of a 'negative' job type | |
321 | * . */ | |
322 | ||
323 | if (j->type == JOB_START || | |
324 | j->type == JOB_VERIFY_ACTIVE || | |
325 | j->type == JOB_RELOAD || | |
326 | j->type == JOB_RELOAD_OR_START) { | |
327 | ||
328 | /* Immediate result is that the job is or might be | |
329 | * started. In this case lets wait for the | |
330 | * dependencies, regardless whether they are | |
331 | * starting or stopping something. */ | |
332 | ||
87f0e418 | 333 | SET_FOREACH(other, j->unit->meta.dependencies[UNIT_AFTER], i) |
5cb5a6ff LP |
334 | if (other->meta.job) |
335 | return false; | |
336 | } | |
337 | ||
338 | /* Also, if something else is being stopped and we should | |
339 | * change state after it, then lets wait. */ | |
340 | ||
87f0e418 | 341 | SET_FOREACH(other, j->unit->meta.dependencies[UNIT_BEFORE], i) |
5cb5a6ff LP |
342 | if (other->meta.job && |
343 | (other->meta.job->type == JOB_STOP || | |
344 | other->meta.job->type == JOB_RESTART || | |
345 | other->meta.job->type == JOB_TRY_RESTART)) | |
346 | return false; | |
347 | ||
348 | /* This means that for a service a and a service b where b | |
349 | * shall be started after a: | |
350 | * | |
351 | * start a + start b → 1st step start a, 2nd step start b | |
352 | * start a + stop b → 1st step stop b, 2nd step start a | |
353 | * stop a + start b → 1st step stop a, 2nd step start b | |
354 | * stop a + stop b → 1st step stop b, 2nd step stop a | |
355 | * | |
356 | * This has the side effect that restarts are properly | |
357 | * synchronized too. */ | |
358 | ||
359 | return true; | |
360 | } | |
361 | ||
362 | int job_run_and_invalidate(Job *j) { | |
363 | int r; | |
ac1135be | 364 | |
5cb5a6ff | 365 | assert(j); |
ac1135be | 366 | assert(j->installed); |
5cb5a6ff | 367 | |
034c6ed7 LP |
368 | if (j->in_run_queue) { |
369 | LIST_REMOVE(Job, run_queue, j->manager->run_queue, j); | |
370 | j->in_run_queue = false; | |
371 | } | |
5cb5a6ff LP |
372 | |
373 | if (j->state != JOB_WAITING) | |
374 | return 0; | |
375 | ||
034c6ed7 LP |
376 | if (!job_is_runnable(j)) |
377 | return -EAGAIN; | |
378 | ||
83c60c9f | 379 | j->state = JOB_RUNNING; |
c1e1601e | 380 | job_add_to_dbus_queue(j); |
83c60c9f | 381 | |
5cb5a6ff LP |
382 | switch (j->type) { |
383 | ||
384 | case JOB_START: | |
87f0e418 | 385 | r = unit_start(j->unit); |
5cb5a6ff LP |
386 | if (r == -EBADR) |
387 | r = 0; | |
388 | break; | |
389 | ||
390 | case JOB_VERIFY_ACTIVE: { | |
87f0e418 LP |
391 | UnitActiveState t = unit_active_state(j->unit); |
392 | if (UNIT_IS_ACTIVE_OR_RELOADING(t)) | |
5cb5a6ff | 393 | r = -EALREADY; |
87f0e418 | 394 | else if (t == UNIT_ACTIVATING) |
5cb5a6ff LP |
395 | r = -EAGAIN; |
396 | else | |
397 | r = -ENOEXEC; | |
398 | break; | |
399 | } | |
400 | ||
401 | case JOB_STOP: | |
87f0e418 | 402 | r = unit_stop(j->unit); |
5cb5a6ff LP |
403 | break; |
404 | ||
405 | case JOB_RELOAD: | |
87f0e418 | 406 | r = unit_reload(j->unit); |
5cb5a6ff LP |
407 | break; |
408 | ||
409 | case JOB_RELOAD_OR_START: | |
87f0e418 LP |
410 | if (unit_active_state(j->unit) == UNIT_ACTIVE) |
411 | r = unit_reload(j->unit); | |
5cb5a6ff | 412 | else |
87f0e418 | 413 | r = unit_start(j->unit); |
5cb5a6ff LP |
414 | break; |
415 | ||
416 | case JOB_RESTART: { | |
87f0e418 LP |
417 | UnitActiveState t = unit_active_state(j->unit); |
418 | if (t == UNIT_INACTIVE || t == UNIT_ACTIVATING) { | |
5cb5a6ff | 419 | j->type = JOB_START; |
87f0e418 | 420 | r = unit_start(j->unit); |
5cb5a6ff | 421 | } else |
87f0e418 | 422 | r = unit_stop(j->unit); |
5cb5a6ff LP |
423 | break; |
424 | } | |
425 | ||
426 | case JOB_TRY_RESTART: { | |
87f0e418 LP |
427 | UnitActiveState t = unit_active_state(j->unit); |
428 | if (t == UNIT_INACTIVE || t == UNIT_DEACTIVATING) | |
5cb5a6ff | 429 | r = -ENOEXEC; |
87f0e418 | 430 | else if (t == UNIT_ACTIVATING) { |
5cb5a6ff | 431 | j->type = JOB_START; |
87f0e418 | 432 | r = unit_start(j->unit); |
5cb5a6ff | 433 | } else |
87f0e418 | 434 | r = unit_stop(j->unit); |
5cb5a6ff LP |
435 | break; |
436 | } | |
437 | ||
438 | default: | |
44d8db9e | 439 | assert_not_reached("Unknown job type"); |
5cb5a6ff LP |
440 | } |
441 | ||
83c60c9f | 442 | if (r == -EALREADY) |
5cb5a6ff | 443 | r = job_finish_and_invalidate(j, true); |
83c60c9f LP |
444 | else if (r == -EAGAIN) { |
445 | j->state = JOB_WAITING; | |
446 | return -EAGAIN; | |
447 | } else if (r < 0) | |
5cb5a6ff LP |
448 | r = job_finish_and_invalidate(j, false); |
449 | ||
450 | return r; | |
451 | } | |
452 | ||
453 | int job_finish_and_invalidate(Job *j, bool success) { | |
87f0e418 LP |
454 | Unit *u; |
455 | Unit *other; | |
b866264a | 456 | JobType t; |
034c6ed7 | 457 | Iterator i; |
5cb5a6ff LP |
458 | |
459 | assert(j); | |
ac1135be | 460 | assert(j->installed); |
5cb5a6ff | 461 | |
9e2f7c11 | 462 | log_debug("Job %s/%s finished, success=%s", j->unit->meta.id, job_type_to_string(j->type), yes_no(success)); |
c1e1601e | 463 | job_add_to_dbus_queue(j); |
f50e0a01 | 464 | |
034c6ed7 | 465 | /* Patch restart jobs so that they become normal start jobs */ |
5cb5a6ff | 466 | if (success && (j->type == JOB_RESTART || j->type == JOB_TRY_RESTART)) { |
f50e0a01 | 467 | |
40d50879 | 468 | log_debug("Converting job %s/%s -> %s/%s", |
9e2f7c11 LP |
469 | j->unit->meta.id, job_type_to_string(j->type), |
470 | j->unit->meta.id, job_type_to_string(JOB_START)); | |
f50e0a01 | 471 | |
5cb5a6ff LP |
472 | j->state = JOB_RUNNING; |
473 | j->type = JOB_START; | |
f50e0a01 | 474 | |
c1e1601e | 475 | job_add_to_run_queue(j); |
034c6ed7 | 476 | return 0; |
5cb5a6ff LP |
477 | } |
478 | ||
7535cc78 | 479 | j->failed = !success; |
87f0e418 | 480 | u = j->unit; |
5cb5a6ff LP |
481 | t = j->type; |
482 | job_free(j); | |
483 | ||
484 | /* Fail depending jobs on failure */ | |
485 | if (!success) { | |
486 | ||
487 | if (t == JOB_START || | |
488 | t == JOB_VERIFY_ACTIVE || | |
489 | t == JOB_RELOAD_OR_START) { | |
490 | ||
87f0e418 | 491 | SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i) |
5cb5a6ff | 492 | if (other->meta.job && |
dda5a135 LP |
493 | (other->meta.job->type == JOB_START || |
494 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
495 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
496 | job_finish_and_invalidate(other->meta.job, false); |
497 | ||
9e2f7c11 | 498 | SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i) |
5cb5a6ff | 499 | if (other->meta.job && |
9e2f7c11 | 500 | !other->meta.job->override && |
dda5a135 LP |
501 | (other->meta.job->type == JOB_START || |
502 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
503 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
504 | job_finish_and_invalidate(other->meta.job, false); |
505 | ||
506 | } else if (t == JOB_STOP) { | |
507 | ||
87f0e418 | 508 | SET_FOREACH(other, u->meta.dependencies[UNIT_CONFLICTS], i) |
5cb5a6ff | 509 | if (other->meta.job && |
dda5a135 LP |
510 | (other->meta.job->type == JOB_START || |
511 | other->meta.job->type == JOB_VERIFY_ACTIVE || | |
512 | other->meta.job->type == JOB_RELOAD_OR_START)) | |
5cb5a6ff LP |
513 | job_finish_and_invalidate(other->meta.job, false); |
514 | } | |
515 | } | |
516 | ||
517 | /* Try to start the next jobs that can be started */ | |
87f0e418 | 518 | SET_FOREACH(other, u->meta.dependencies[UNIT_AFTER], i) |
5cb5a6ff | 519 | if (other->meta.job) |
c1e1601e | 520 | job_add_to_run_queue(other->meta.job); |
87f0e418 | 521 | SET_FOREACH(other, u->meta.dependencies[UNIT_BEFORE], i) |
5cb5a6ff | 522 | if (other->meta.job) |
c1e1601e | 523 | job_add_to_run_queue(other->meta.job); |
5cb5a6ff LP |
524 | |
525 | return 0; | |
526 | } | |
034c6ed7 | 527 | |
c1e1601e | 528 | void job_add_to_run_queue(Job *j) { |
034c6ed7 | 529 | assert(j); |
ac1135be | 530 | assert(j->installed); |
034c6ed7 LP |
531 | |
532 | if (j->in_run_queue) | |
533 | return; | |
534 | ||
535 | LIST_PREPEND(Job, run_queue, j->manager->run_queue, j); | |
536 | j->in_run_queue = true; | |
537 | } | |
94f04347 | 538 | |
c1e1601e LP |
539 | void job_add_to_dbus_queue(Job *j) { |
540 | assert(j); | |
541 | assert(j->installed); | |
542 | ||
543 | if (j->in_dbus_queue) | |
544 | return; | |
545 | ||
94b6dfa2 LP |
546 | if (set_isempty(j->manager->subscribed)) { |
547 | j->sent_dbus_new_signal = true; | |
548 | return; | |
549 | } | |
550 | ||
c1e1601e LP |
551 | LIST_PREPEND(Job, dbus_queue, j->manager->dbus_job_queue, j); |
552 | j->in_dbus_queue = true; | |
553 | } | |
554 | ||
ea430986 LP |
555 | char *job_dbus_path(Job *j) { |
556 | char *p; | |
557 | ||
558 | assert(j); | |
559 | ||
560 | if (asprintf(&p, "/org/freedesktop/systemd1/job/%lu", (unsigned long) j->id) < 0) | |
561 | return NULL; | |
562 | ||
563 | return p; | |
564 | } | |
565 | ||
94f04347 LP |
566 | static const char* const job_state_table[_JOB_STATE_MAX] = { |
567 | [JOB_WAITING] = "waiting", | |
568 | [JOB_RUNNING] = "running" | |
569 | }; | |
570 | ||
571 | DEFINE_STRING_TABLE_LOOKUP(job_state, JobState); | |
572 | ||
573 | static const char* const job_type_table[_JOB_TYPE_MAX] = { | |
574 | [JOB_START] = "start", | |
575 | [JOB_VERIFY_ACTIVE] = "verify-active", | |
576 | [JOB_STOP] = "stop", | |
577 | [JOB_RELOAD] = "reload", | |
578 | [JOB_RELOAD_OR_START] = "reload-or-start", | |
579 | [JOB_RESTART] = "restart", | |
580 | [JOB_TRY_RESTART] = "try-restart", | |
581 | }; | |
582 | ||
583 | DEFINE_STRING_TABLE_LOOKUP(job_type, JobType); | |
b548631a LP |
584 | |
585 | static const char* const job_mode_table[_JOB_MODE_MAX] = { | |
586 | [JOB_FAIL] = "fail", | |
c497c7a9 LP |
587 | [JOB_REPLACE] = "replace", |
588 | [JOB_ISOLATE] = "isolate" | |
b548631a LP |
589 | }; |
590 | ||
591 | DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode); |