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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
87f0e418 LP |
2 | |
3 | #ifndef foounithfoo | |
4 | #define foounithfoo | |
5 | ||
a7334b09 LP |
6 | /*** |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
87f0e418 LP |
25 | #include <stdbool.h> |
26 | #include <stdlib.h> | |
27 | ||
28 | typedef union Unit Unit; | |
29 | typedef struct Meta Meta; | |
30 | typedef struct UnitVTable UnitVTable; | |
31 | typedef enum UnitType UnitType; | |
32 | typedef enum UnitLoadState UnitLoadState; | |
33 | typedef enum UnitActiveState UnitActiveState; | |
34 | typedef enum UnitDependency UnitDependency; | |
35 | ||
87f0e418 LP |
36 | #include "set.h" |
37 | #include "util.h" | |
38 | #include "list.h" | |
39 | #include "socket-util.h" | |
40 | #include "execute.h" | |
52661efd | 41 | #include "condition.h" |
87f0e418 | 42 | |
87f0e418 LP |
43 | enum UnitType { |
44 | UNIT_SERVICE = 0, | |
87f0e418 LP |
45 | UNIT_SOCKET, |
46 | UNIT_TARGET, | |
47 | UNIT_DEVICE, | |
48 | UNIT_MOUNT, | |
49 | UNIT_AUTOMOUNT, | |
50 | UNIT_SNAPSHOT, | |
41447faf | 51 | UNIT_TIMER, |
07b0b134 | 52 | UNIT_SWAP, |
01f78473 | 53 | UNIT_PATH, |
87f0e418 | 54 | _UNIT_TYPE_MAX, |
50159e6a | 55 | _UNIT_TYPE_INVALID = -1 |
87f0e418 LP |
56 | }; |
57 | ||
58 | enum UnitLoadState { | |
59 | UNIT_STUB, | |
60 | UNIT_LOADED, | |
fdf20a31 | 61 | UNIT_ERROR, |
23a177ef | 62 | UNIT_MERGED, |
6daf4f90 | 63 | UNIT_MASKED, |
94f04347 LP |
64 | _UNIT_LOAD_STATE_MAX, |
65 | _UNIT_LOAD_STATE_INVALID = -1 | |
87f0e418 LP |
66 | }; |
67 | ||
68 | enum UnitActiveState { | |
69 | UNIT_ACTIVE, | |
032ff4af | 70 | UNIT_RELOADING, |
87f0e418 | 71 | UNIT_INACTIVE, |
fdf20a31 | 72 | UNIT_FAILED, |
87f0e418 LP |
73 | UNIT_ACTIVATING, |
74 | UNIT_DEACTIVATING, | |
94f04347 LP |
75 | _UNIT_ACTIVE_STATE_MAX, |
76 | _UNIT_ACTIVE_STATE_INVALID = -1 | |
87f0e418 LP |
77 | }; |
78 | ||
79 | static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) { | |
032ff4af | 80 | return t == UNIT_ACTIVE || t == UNIT_RELOADING; |
87f0e418 LP |
81 | } |
82 | ||
83 | static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) { | |
032ff4af | 84 | return t == UNIT_ACTIVE || t == UNIT_ACTIVATING || t == UNIT_RELOADING; |
87f0e418 LP |
85 | } |
86 | ||
87 | static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) { | |
fdf20a31 | 88 | return t == UNIT_INACTIVE || t == UNIT_FAILED || t == UNIT_DEACTIVATING; |
6124958c LP |
89 | } |
90 | ||
fdf20a31 MM |
91 | static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) { |
92 | return t == UNIT_INACTIVE || t == UNIT_FAILED; | |
87f0e418 LP |
93 | } |
94 | ||
95 | enum UnitDependency { | |
96 | /* Positive dependencies */ | |
97 | UNIT_REQUIRES, | |
9e2f7c11 | 98 | UNIT_REQUIRES_OVERRIDABLE, |
87f0e418 | 99 | UNIT_REQUISITE, |
9e2f7c11 LP |
100 | UNIT_REQUISITE_OVERRIDABLE, |
101 | UNIT_WANTS, | |
b81884e7 | 102 | UNIT_BIND_TO, |
87f0e418 LP |
103 | |
104 | /* Inverse of the above */ | |
9e2f7c11 | 105 | UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */ |
f14e15f8 | 106 | UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */ |
9e2f7c11 | 107 | UNIT_WANTED_BY, /* inverse of 'wants' */ |
b81884e7 | 108 | UNIT_BOUND_BY, /* inverse of 'bind_to' */ |
87f0e418 LP |
109 | |
110 | /* Negative dependencies */ | |
69dd2852 LP |
111 | UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */ |
112 | UNIT_CONFLICTED_BY, | |
87f0e418 LP |
113 | |
114 | /* Order */ | |
701cc384 | 115 | UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */ |
87f0e418 LP |
116 | UNIT_AFTER, |
117 | ||
5de9682c LP |
118 | /* On Failure */ |
119 | UNIT_ON_FAILURE, | |
120 | ||
701cc384 LP |
121 | /* Reference information for GC logic */ |
122 | UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */ | |
123 | UNIT_REFERENCED_BY, | |
124 | ||
87f0e418 LP |
125 | _UNIT_DEPENDENCY_MAX, |
126 | _UNIT_DEPENDENCY_INVALID = -1 | |
127 | }; | |
128 | ||
ef734fd6 LP |
129 | #include "manager.h" |
130 | #include "job.h" | |
8e274523 | 131 | #include "cgroup.h" |
ef734fd6 | 132 | |
87f0e418 LP |
133 | struct Meta { |
134 | Manager *manager; | |
23a177ef | 135 | |
87f0e418 LP |
136 | UnitType type; |
137 | UnitLoadState load_state; | |
23a177ef | 138 | Unit *merged_into; |
87f0e418 LP |
139 | |
140 | char *id; /* One name is special because we use it for identification. Points to an entry in the names set */ | |
9e2f7c11 | 141 | char *instance; |
87f0e418 LP |
142 | |
143 | Set *names; | |
144 | Set *dependencies[_UNIT_DEPENDENCY_MAX]; | |
145 | ||
146 | char *description; | |
faf919f1 | 147 | |
6be1e7d5 | 148 | char *fragment_path; /* if loaded from a config file this is the primary path to it */ |
45fb0699 | 149 | usec_t fragment_mtime; |
87f0e418 LP |
150 | |
151 | /* If there is something to do with this unit, then this is | |
152 | * the job for it */ | |
153 | Job *job; | |
154 | ||
faf919f1 LP |
155 | usec_t job_timeout; |
156 | ||
52661efd LP |
157 | /* Conditions to check */ |
158 | LIST_HEAD(Condition, conditions); | |
159 | ||
90bbc946 LP |
160 | dual_timestamp condition_timestamp; |
161 | ||
63983207 LP |
162 | dual_timestamp inactive_exit_timestamp; |
163 | dual_timestamp active_enter_timestamp; | |
164 | dual_timestamp active_exit_timestamp; | |
165 | dual_timestamp inactive_enter_timestamp; | |
87f0e418 | 166 | |
8e274523 LP |
167 | /* Counterparts in the cgroup filesystem */ |
168 | CGroupBonding *cgroup_bondings; | |
169 | ||
ef734fd6 LP |
170 | /* Per type list */ |
171 | LIST_FIELDS(Meta, units_per_type); | |
c1e1601e | 172 | |
701cc384 LP |
173 | /* Load queue */ |
174 | LIST_FIELDS(Meta, load_queue); | |
175 | ||
c1e1601e LP |
176 | /* D-Bus queue */ |
177 | LIST_FIELDS(Meta, dbus_queue); | |
23a177ef LP |
178 | |
179 | /* Cleanup queue */ | |
180 | LIST_FIELDS(Meta, cleanup_queue); | |
9d58f1db | 181 | |
701cc384 LP |
182 | /* GC queue */ |
183 | LIST_FIELDS(Meta, gc_queue); | |
184 | ||
185 | /* Used during GC sweeps */ | |
eced69b3 | 186 | unsigned gc_marker; |
701cc384 | 187 | |
7fab9d01 LP |
188 | /* When deserializing, temporarily store the job type for this |
189 | * unit here, if there was a job scheduled */ | |
190 | int deserialized_job; /* This is actually of type JobType */ | |
191 | ||
8821a00f LP |
192 | /* Error code when we didn't manage to load the unit (negative) */ |
193 | int load_error; | |
194 | ||
9d58f1db LP |
195 | /* Garbage collect us we nobody wants or requires us anymore */ |
196 | bool stop_when_unneeded; | |
197 | ||
35b8ca3a | 198 | /* Create default dependencies */ |
a40eb732 LP |
199 | bool default_dependencies; |
200 | ||
b5e9dba8 LP |
201 | /* Refuse manual starting, allow starting only indirectly via dependency. */ |
202 | bool refuse_manual_start; | |
203 | ||
204 | /* Don't allow the user to stop this unit manually, allow stopping only indirectly via dependency. */ | |
205 | bool refuse_manual_stop; | |
206 | ||
2528a7a6 LP |
207 | /* Allow isolation requests */ |
208 | bool allow_isolate; | |
209 | ||
90bbc946 LP |
210 | /* Did the last condition check suceed? */ |
211 | bool condition_result; | |
212 | ||
9d58f1db LP |
213 | bool in_load_queue:1; |
214 | bool in_dbus_queue:1; | |
215 | bool in_cleanup_queue:1; | |
701cc384 LP |
216 | bool in_gc_queue:1; |
217 | ||
9d58f1db | 218 | bool sent_dbus_new_signal:1; |
6c073082 LP |
219 | |
220 | bool no_gc:1; | |
cd6d0a45 LP |
221 | |
222 | bool in_audit:1; | |
87f0e418 LP |
223 | }; |
224 | ||
225 | #include "service.h" | |
226 | #include "timer.h" | |
227 | #include "socket.h" | |
228 | #include "target.h" | |
229 | #include "device.h" | |
230 | #include "mount.h" | |
231 | #include "automount.h" | |
232 | #include "snapshot.h" | |
07b0b134 | 233 | #include "swap.h" |
01f78473 | 234 | #include "path.h" |
87f0e418 LP |
235 | |
236 | union Unit { | |
237 | Meta meta; | |
238 | Service service; | |
239 | Timer timer; | |
240 | Socket socket; | |
241 | Target target; | |
242 | Device device; | |
243 | Mount mount; | |
244 | Automount automount; | |
245 | Snapshot snapshot; | |
07b0b134 | 246 | Swap swap; |
01f78473 | 247 | Path path; |
87f0e418 LP |
248 | }; |
249 | ||
250 | struct UnitVTable { | |
251 | const char *suffix; | |
252 | ||
e537352b | 253 | /* This should reset all type-specific variables. This should |
a16e1123 LP |
254 | * not allocate memory, and is called with zero-initialized |
255 | * data. It should hence only initialize variables that need | |
256 | * to be set != 0. */ | |
e537352b LP |
257 | void (*init)(Unit *u); |
258 | ||
a16e1123 LP |
259 | /* This should free all type-specific variables. It should be |
260 | * idempotent. */ | |
261 | void (*done)(Unit *u); | |
262 | ||
e537352b LP |
263 | /* Actually load data from disk. This may fail, and should set |
264 | * load_state to UNIT_LOADED, UNIT_MERGED or leave it at | |
265 | * UNIT_STUB if no configuration could be found. */ | |
266 | int (*load)(Unit *u); | |
267 | ||
e537352b LP |
268 | /* If a a lot of units got created via enumerate(), this is |
269 | * where to actually set the state and call unit_notify(). */ | |
f50e0a01 | 270 | int (*coldplug)(Unit *u); |
87f0e418 LP |
271 | |
272 | void (*dump)(Unit *u, FILE *f, const char *prefix); | |
273 | ||
274 | int (*start)(Unit *u); | |
275 | int (*stop)(Unit *u); | |
276 | int (*reload)(Unit *u); | |
277 | ||
8a0867d6 LP |
278 | int (*kill)(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
279 | ||
87f0e418 LP |
280 | bool (*can_reload)(Unit *u); |
281 | ||
a16e1123 LP |
282 | /* Write all data that cannot be restored from other sources |
283 | * away using unit_serialize_item() */ | |
284 | int (*serialize)(Unit *u, FILE *f, FDSet *fds); | |
285 | ||
286 | /* Restore one item from the serialization */ | |
287 | int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); | |
288 | ||
87f0e418 LP |
289 | /* Boils down the more complex internal state of this unit to |
290 | * a simpler one that the engine can understand */ | |
291 | UnitActiveState (*active_state)(Unit *u); | |
292 | ||
10a94420 LP |
293 | /* Returns the substate specific to this unit type as |
294 | * string. This is purely information so that we can give the | |
35b8ca3a | 295 | * user a more fine grained explanation in which actual state a |
10a94420 LP |
296 | * unit is in. */ |
297 | const char* (*sub_state_to_string)(Unit *u); | |
298 | ||
701cc384 LP |
299 | /* Return true when there is reason to keep this entry around |
300 | * even nothing references it and it isn't active in any | |
301 | * way */ | |
302 | bool (*check_gc)(Unit *u); | |
303 | ||
304 | /* Return true when this unit is suitable for snapshotting */ | |
305 | bool (*check_snapshot)(Unit *u); | |
306 | ||
acbb0225 | 307 | void (*fd_event)(Unit *u, int fd, uint32_t events, Watch *w); |
87f0e418 | 308 | void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); |
acbb0225 | 309 | void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w); |
7824bbeb | 310 | |
fdf20a31 MM |
311 | /* Reset failed state if we are in failed state */ |
312 | void (*reset_failed)(Unit *u); | |
5632e374 | 313 | |
05e343b7 LP |
314 | /* Called whenever any of the cgroups this unit watches for |
315 | * ran empty */ | |
8e274523 LP |
316 | void (*cgroup_notify_empty)(Unit *u); |
317 | ||
8c47c732 | 318 | /* Called whenever a process of this unit sends us a message */ |
c952c6ec | 319 | void (*notify_message)(Unit *u, pid_t pid, char **tags); |
8c47c732 | 320 | |
05e343b7 LP |
321 | /* Called whenever a name thus Unit registered for comes or |
322 | * goes away. */ | |
323 | void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner); | |
324 | ||
325 | /* Called whenever a bus PID lookup finishes */ | |
326 | void (*bus_query_pid_done)(Unit *u, const char *name, pid_t pid); | |
327 | ||
4139c1b2 | 328 | /* Called for each message received on the bus */ |
5e8d1c9a | 329 | DBusHandlerResult (*bus_message_handler)(Unit *u, DBusConnection *c, DBusMessage *message); |
4139c1b2 | 330 | |
a7f241db LP |
331 | /* Return the unit this unit is following */ |
332 | Unit *(*following)(Unit *u); | |
333 | ||
6210e7fc LP |
334 | /* Return the set of units that are following each other */ |
335 | int (*following_set)(Unit *u, Set **s); | |
336 | ||
f50e0a01 LP |
337 | /* This is called for each unit type and should be used to |
338 | * enumerate existing devices and load them. However, | |
339 | * everything that is loaded here should still stay in | |
340 | * inactive state. It is the job of the coldplug() call above | |
341 | * to put the units into the initial state. */ | |
7824bbeb | 342 | int (*enumerate)(Manager *m); |
f50e0a01 LP |
343 | |
344 | /* Type specific cleanups. */ | |
7824bbeb | 345 | void (*shutdown)(Manager *m); |
9d58f1db | 346 | |
c4e2ceae | 347 | /* When sending out PropertiesChanged signal, which properties |
96d4ce01 | 348 | * shall be invalidated? This is a NUL separated list of |
c4e2ceae LP |
349 | * strings, to minimize relocations a little. */ |
350 | const char *bus_invalidating_properties; | |
351 | ||
352 | /* The interface name */ | |
353 | const char *bus_interface; | |
354 | ||
9d58f1db LP |
355 | /* Can units of this type have multiple names? */ |
356 | bool no_alias:1; | |
357 | ||
9d58f1db LP |
358 | /* Instances make no sense for this type */ |
359 | bool no_instances:1; | |
360 | ||
361 | /* Exclude this type from snapshots */ | |
362 | bool no_snapshots:1; | |
701cc384 LP |
363 | |
364 | /* Exclude from automatic gc */ | |
365 | bool no_gc:1; | |
c497c7a9 | 366 | |
2528a7a6 | 367 | /* Exclude from stopping on isolation requests */ |
c497c7a9 | 368 | bool no_isolate:1; |
9e58ff9c LP |
369 | |
370 | /* Show status updates on the console */ | |
371 | bool show_status:1; | |
87f0e418 LP |
372 | }; |
373 | ||
374 | extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; | |
375 | ||
376 | #define UNIT_VTABLE(u) unit_vtable[(u)->meta.type] | |
377 | ||
378 | /* For casting a unit into the various unit types */ | |
379 | #define DEFINE_CAST(UPPERCASE, MixedCase) \ | |
380 | static inline MixedCase* UPPERCASE(Unit *u) { \ | |
399ab2b1 | 381 | if (_unlikely_(!u || u->meta.type != UNIT_##UPPERCASE)) \ |
87f0e418 LP |
382 | return NULL; \ |
383 | \ | |
384 | return (MixedCase*) u; \ | |
385 | } | |
386 | ||
387 | /* For casting the various unit types into a unit */ | |
399ab2b1 | 388 | #define UNIT(u) ((Unit*) (&(u)->meta)) |
87f0e418 LP |
389 | |
390 | DEFINE_CAST(SOCKET, Socket); | |
391 | DEFINE_CAST(TIMER, Timer); | |
392 | DEFINE_CAST(SERVICE, Service); | |
393 | DEFINE_CAST(TARGET, Target); | |
394 | DEFINE_CAST(DEVICE, Device); | |
395 | DEFINE_CAST(MOUNT, Mount); | |
396 | DEFINE_CAST(AUTOMOUNT, Automount); | |
397 | DEFINE_CAST(SNAPSHOT, Snapshot); | |
07b0b134 | 398 | DEFINE_CAST(SWAP, Swap); |
01f78473 | 399 | DEFINE_CAST(PATH, Path); |
87f0e418 | 400 | |
87f0e418 LP |
401 | Unit *unit_new(Manager *m); |
402 | void unit_free(Unit *u); | |
403 | ||
404 | int unit_add_name(Unit *u, const char *name); | |
9e2f7c11 | 405 | |
701cc384 | 406 | int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference); |
2c966c03 LP |
407 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference); |
408 | ||
701cc384 | 409 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 LP |
410 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
411 | ||
701cc384 | 412 | int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 | 413 | int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
0ae97ec1 | 414 | |
23a177ef LP |
415 | int unit_add_exec_dependencies(Unit *u, ExecContext *c); |
416 | ||
8e274523 LP |
417 | int unit_add_cgroup(Unit *u, CGroupBonding *b); |
418 | int unit_add_cgroup_from_text(Unit *u, const char *name); | |
d686d8a9 | 419 | int unit_add_default_cgroups(Unit *u); |
8e274523 LP |
420 | CGroupBonding* unit_get_default_cgroup(Unit *u); |
421 | ||
0ae97ec1 | 422 | int unit_choose_id(Unit *u, const char *name); |
f50e0a01 | 423 | int unit_set_description(Unit *u, const char *description); |
87f0e418 | 424 | |
701cc384 LP |
425 | bool unit_check_gc(Unit *u); |
426 | ||
87f0e418 | 427 | void unit_add_to_load_queue(Unit *u); |
c1e1601e | 428 | void unit_add_to_dbus_queue(Unit *u); |
23a177ef | 429 | void unit_add_to_cleanup_queue(Unit *u); |
701cc384 | 430 | void unit_add_to_gc_queue(Unit *u); |
87f0e418 LP |
431 | |
432 | int unit_merge(Unit *u, Unit *other); | |
23a177ef LP |
433 | int unit_merge_by_name(Unit *u, const char *other); |
434 | ||
435 | Unit *unit_follow_merge(Unit *u); | |
87f0e418 | 436 | |
e537352b LP |
437 | int unit_load_fragment_and_dropin(Unit *u); |
438 | int unit_load_fragment_and_dropin_optional(Unit *u); | |
87f0e418 LP |
439 | int unit_load(Unit *unit); |
440 | ||
87f0e418 LP |
441 | const char *unit_description(Unit *u); |
442 | ||
f278026d LP |
443 | bool unit_has_name(Unit *u, const char *name); |
444 | ||
87f0e418 LP |
445 | UnitActiveState unit_active_state(Unit *u); |
446 | ||
10a94420 LP |
447 | const char* unit_sub_state_to_string(Unit *u); |
448 | ||
87f0e418 LP |
449 | void unit_dump(Unit *u, FILE *f, const char *prefix); |
450 | ||
451 | bool unit_can_reload(Unit *u); | |
452 | bool unit_can_start(Unit *u); | |
2528a7a6 | 453 | bool unit_can_isolate(Unit *u); |
87f0e418 LP |
454 | |
455 | int unit_start(Unit *u); | |
456 | int unit_stop(Unit *u); | |
457 | int unit_reload(Unit *u); | |
458 | ||
8a0867d6 LP |
459 | int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
460 | ||
e2f3b44c | 461 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_success); |
87f0e418 | 462 | |
acbb0225 LP |
463 | int unit_watch_fd(Unit *u, int fd, uint32_t events, Watch *w); |
464 | void unit_unwatch_fd(Unit *u, Watch *w); | |
87f0e418 LP |
465 | |
466 | int unit_watch_pid(Unit *u, pid_t pid); | |
467 | void unit_unwatch_pid(Unit *u, pid_t pid); | |
468 | ||
acbb0225 LP |
469 | int unit_watch_timer(Unit *u, usec_t delay, Watch *w); |
470 | void unit_unwatch_timer(Unit *u, Watch *w); | |
87f0e418 | 471 | |
05e343b7 LP |
472 | int unit_watch_bus_name(Unit *u, const char *name); |
473 | void unit_unwatch_bus_name(Unit *u, const char *name); | |
474 | ||
87f0e418 LP |
475 | bool unit_job_is_applicable(Unit *u, JobType j); |
476 | ||
0301abf4 LP |
477 | int set_unit_path(const char *p); |
478 | ||
50159e6a LP |
479 | char *unit_dbus_path(Unit *u); |
480 | ||
f6ff8c29 | 481 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found); |
a16e1123 | 482 | int unit_get_related_unit(Unit *u, const char *type, Unit **_found); |
f6ff8c29 | 483 | |
9e2f7c11 LP |
484 | char *unit_name_printf(Unit *u, const char* text); |
485 | char *unit_full_printf(Unit *u, const char *text); | |
486 | char **unit_full_printf_strv(Unit *u, char **l); | |
487 | ||
a16e1123 LP |
488 | bool unit_can_serialize(Unit *u); |
489 | int unit_serialize(Unit *u, FILE *f, FDSet *fds); | |
93a46b0b | 490 | void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr_(4,5); |
a16e1123 LP |
491 | void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value); |
492 | int unit_deserialize(Unit *u, FILE *f, FDSet *fds); | |
493 | ||
6e2ef85b LP |
494 | int unit_add_node_link(Unit *u, const char *what, bool wants); |
495 | ||
cca098b0 LP |
496 | int unit_coldplug(Unit *u); |
497 | ||
9e58ff9c LP |
498 | void unit_status_printf(Unit *u, const char *format, ...); |
499 | ||
45fb0699 LP |
500 | bool unit_need_daemon_reload(Unit *u); |
501 | ||
fdf20a31 | 502 | void unit_reset_failed(Unit *u); |
5632e374 | 503 | |
a7f241db LP |
504 | Unit *unit_following(Unit *u); |
505 | ||
18ffdfda | 506 | bool unit_pending_inactive(Unit *u); |
f976f3f6 | 507 | bool unit_pending_active(Unit *u); |
18ffdfda | 508 | |
bba34eed LP |
509 | int unit_add_default_target_dependency(Unit *u, Unit *target); |
510 | ||
6210e7fc LP |
511 | int unit_following_set(Unit *u, Set **s); |
512 | ||
71fad675 | 513 | UnitType unit_name_to_type(const char *n); |
b9c0d441 | 514 | bool unit_name_is_valid(const char *n, bool template_ok); |
71fad675 | 515 | |
c0daa706 LP |
516 | void unit_trigger_on_failure(Unit *u); |
517 | ||
90bbc946 LP |
518 | bool unit_condition_test(Unit *u); |
519 | ||
94f04347 LP |
520 | const char *unit_load_state_to_string(UnitLoadState i); |
521 | UnitLoadState unit_load_state_from_string(const char *s); | |
522 | ||
523 | const char *unit_active_state_to_string(UnitActiveState i); | |
524 | UnitActiveState unit_active_state_from_string(const char *s); | |
525 | ||
526 | const char *unit_dependency_to_string(UnitDependency i); | |
527 | UnitDependency unit_dependency_from_string(const char *s); | |
528 | ||
87f0e418 | 529 | #endif |