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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 | ||
ac155bb8 | 28 | typedef struct Unit Unit; |
87f0e418 LP |
29 | typedef struct UnitVTable UnitVTable; |
30 | typedef enum UnitType UnitType; | |
31 | typedef enum UnitLoadState UnitLoadState; | |
32 | typedef enum UnitActiveState UnitActiveState; | |
33 | typedef enum UnitDependency UnitDependency; | |
57020a3a | 34 | typedef struct UnitRef UnitRef; |
87f0e418 | 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" |
a4375746 | 42 | #include "install.h" |
87f0e418 | 43 | |
87f0e418 LP |
44 | enum UnitType { |
45 | UNIT_SERVICE = 0, | |
87f0e418 LP |
46 | UNIT_SOCKET, |
47 | UNIT_TARGET, | |
48 | UNIT_DEVICE, | |
49 | UNIT_MOUNT, | |
50 | UNIT_AUTOMOUNT, | |
51 | UNIT_SNAPSHOT, | |
41447faf | 52 | UNIT_TIMER, |
07b0b134 | 53 | UNIT_SWAP, |
01f78473 | 54 | UNIT_PATH, |
87f0e418 | 55 | _UNIT_TYPE_MAX, |
50159e6a | 56 | _UNIT_TYPE_INVALID = -1 |
87f0e418 LP |
57 | }; |
58 | ||
59 | enum UnitLoadState { | |
60 | UNIT_STUB, | |
61 | UNIT_LOADED, | |
fdf20a31 | 62 | UNIT_ERROR, |
23a177ef | 63 | UNIT_MERGED, |
6daf4f90 | 64 | UNIT_MASKED, |
94f04347 LP |
65 | _UNIT_LOAD_STATE_MAX, |
66 | _UNIT_LOAD_STATE_INVALID = -1 | |
87f0e418 LP |
67 | }; |
68 | ||
69 | enum UnitActiveState { | |
70 | UNIT_ACTIVE, | |
032ff4af | 71 | UNIT_RELOADING, |
87f0e418 | 72 | UNIT_INACTIVE, |
fdf20a31 | 73 | UNIT_FAILED, |
87f0e418 LP |
74 | UNIT_ACTIVATING, |
75 | UNIT_DEACTIVATING, | |
94f04347 LP |
76 | _UNIT_ACTIVE_STATE_MAX, |
77 | _UNIT_ACTIVE_STATE_INVALID = -1 | |
87f0e418 LP |
78 | }; |
79 | ||
80 | static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) { | |
032ff4af | 81 | return t == UNIT_ACTIVE || t == UNIT_RELOADING; |
87f0e418 LP |
82 | } |
83 | ||
84 | static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) { | |
032ff4af | 85 | return t == UNIT_ACTIVE || t == UNIT_ACTIVATING || t == UNIT_RELOADING; |
87f0e418 LP |
86 | } |
87 | ||
88 | static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) { | |
fdf20a31 | 89 | return t == UNIT_INACTIVE || t == UNIT_FAILED || t == UNIT_DEACTIVATING; |
6124958c LP |
90 | } |
91 | ||
fdf20a31 MM |
92 | static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) { |
93 | return t == UNIT_INACTIVE || t == UNIT_FAILED; | |
87f0e418 LP |
94 | } |
95 | ||
96 | enum UnitDependency { | |
97 | /* Positive dependencies */ | |
98 | UNIT_REQUIRES, | |
9e2f7c11 | 99 | UNIT_REQUIRES_OVERRIDABLE, |
87f0e418 | 100 | UNIT_REQUISITE, |
9e2f7c11 LP |
101 | UNIT_REQUISITE_OVERRIDABLE, |
102 | UNIT_WANTS, | |
b81884e7 | 103 | UNIT_BIND_TO, |
87f0e418 LP |
104 | |
105 | /* Inverse of the above */ | |
9e2f7c11 | 106 | UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */ |
f14e15f8 | 107 | UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */ |
9e2f7c11 | 108 | UNIT_WANTED_BY, /* inverse of 'wants' */ |
b81884e7 | 109 | UNIT_BOUND_BY, /* inverse of 'bind_to' */ |
87f0e418 LP |
110 | |
111 | /* Negative dependencies */ | |
69dd2852 LP |
112 | UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */ |
113 | UNIT_CONFLICTED_BY, | |
87f0e418 LP |
114 | |
115 | /* Order */ | |
701cc384 | 116 | UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */ |
87f0e418 LP |
117 | UNIT_AFTER, |
118 | ||
5de9682c LP |
119 | /* On Failure */ |
120 | UNIT_ON_FAILURE, | |
121 | ||
57020a3a LP |
122 | /* Triggers (i.e. a socket triggers a service) */ |
123 | UNIT_TRIGGERS, | |
124 | UNIT_TRIGGERED_BY, | |
125 | ||
4dcc1cb4 LP |
126 | /* Propagate reloads */ |
127 | UNIT_PROPAGATE_RELOAD_TO, | |
128 | UNIT_PROPAGATE_RELOAD_FROM, | |
129 | ||
701cc384 LP |
130 | /* Reference information for GC logic */ |
131 | UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */ | |
132 | UNIT_REFERENCED_BY, | |
133 | ||
87f0e418 LP |
134 | _UNIT_DEPENDENCY_MAX, |
135 | _UNIT_DEPENDENCY_INVALID = -1 | |
136 | }; | |
137 | ||
ef734fd6 LP |
138 | #include "manager.h" |
139 | #include "job.h" | |
8e274523 | 140 | #include "cgroup.h" |
ab1f0633 | 141 | #include "cgroup-attr.h" |
ef734fd6 | 142 | |
ac155bb8 | 143 | struct Unit { |
87f0e418 | 144 | Manager *manager; |
23a177ef | 145 | |
87f0e418 LP |
146 | UnitType type; |
147 | UnitLoadState load_state; | |
23a177ef | 148 | Unit *merged_into; |
87f0e418 LP |
149 | |
150 | char *id; /* One name is special because we use it for identification. Points to an entry in the names set */ | |
9e2f7c11 | 151 | char *instance; |
87f0e418 LP |
152 | |
153 | Set *names; | |
154 | Set *dependencies[_UNIT_DEPENDENCY_MAX]; | |
155 | ||
156 | char *description; | |
faf919f1 | 157 | |
6be1e7d5 | 158 | char *fragment_path; /* if loaded from a config file this is the primary path to it */ |
45fb0699 | 159 | usec_t fragment_mtime; |
87f0e418 LP |
160 | |
161 | /* If there is something to do with this unit, then this is | |
162 | * the job for it */ | |
163 | Job *job; | |
164 | ||
faf919f1 LP |
165 | usec_t job_timeout; |
166 | ||
57020a3a LP |
167 | /* References to this */ |
168 | LIST_HEAD(UnitRef, refs); | |
169 | ||
52661efd LP |
170 | /* Conditions to check */ |
171 | LIST_HEAD(Condition, conditions); | |
172 | ||
90bbc946 LP |
173 | dual_timestamp condition_timestamp; |
174 | ||
63983207 LP |
175 | dual_timestamp inactive_exit_timestamp; |
176 | dual_timestamp active_enter_timestamp; | |
177 | dual_timestamp active_exit_timestamp; | |
178 | dual_timestamp inactive_enter_timestamp; | |
87f0e418 | 179 | |
8e274523 LP |
180 | /* Counterparts in the cgroup filesystem */ |
181 | CGroupBonding *cgroup_bondings; | |
ab1f0633 | 182 | CGroupAttribute *cgroup_attributes; |
8e274523 | 183 | |
ef734fd6 | 184 | /* Per type list */ |
ac155bb8 | 185 | LIST_FIELDS(Unit, units_by_type); |
c1e1601e | 186 | |
701cc384 | 187 | /* Load queue */ |
ac155bb8 | 188 | LIST_FIELDS(Unit, load_queue); |
701cc384 | 189 | |
c1e1601e | 190 | /* D-Bus queue */ |
ac155bb8 | 191 | LIST_FIELDS(Unit, dbus_queue); |
23a177ef LP |
192 | |
193 | /* Cleanup queue */ | |
ac155bb8 | 194 | LIST_FIELDS(Unit, cleanup_queue); |
9d58f1db | 195 | |
701cc384 | 196 | /* GC queue */ |
ac155bb8 | 197 | LIST_FIELDS(Unit, gc_queue); |
701cc384 LP |
198 | |
199 | /* Used during GC sweeps */ | |
eced69b3 | 200 | unsigned gc_marker; |
701cc384 | 201 | |
7fab9d01 LP |
202 | /* When deserializing, temporarily store the job type for this |
203 | * unit here, if there was a job scheduled */ | |
204 | int deserialized_job; /* This is actually of type JobType */ | |
205 | ||
8821a00f LP |
206 | /* Error code when we didn't manage to load the unit (negative) */ |
207 | int load_error; | |
208 | ||
a4375746 LP |
209 | /* Cached unit file state */ |
210 | UnitFileState unit_file_state; | |
211 | ||
9d58f1db LP |
212 | /* Garbage collect us we nobody wants or requires us anymore */ |
213 | bool stop_when_unneeded; | |
214 | ||
35b8ca3a | 215 | /* Create default dependencies */ |
a40eb732 LP |
216 | bool default_dependencies; |
217 | ||
b5e9dba8 LP |
218 | /* Refuse manual starting, allow starting only indirectly via dependency. */ |
219 | bool refuse_manual_start; | |
220 | ||
221 | /* Don't allow the user to stop this unit manually, allow stopping only indirectly via dependency. */ | |
222 | bool refuse_manual_stop; | |
223 | ||
2528a7a6 LP |
224 | /* Allow isolation requests */ |
225 | bool allow_isolate; | |
226 | ||
222ae6a8 LP |
227 | /* Isolate OnFailure unit */ |
228 | bool on_failure_isolate; | |
229 | ||
c8f4d764 LP |
230 | /* Ignore this unit when isolating */ |
231 | bool ignore_on_isolate; | |
232 | ||
7a6000a6 LP |
233 | /* Ignore this unit when snapshotting */ |
234 | bool ignore_on_snapshot; | |
235 | ||
90bbc946 LP |
236 | /* Did the last condition check suceed? */ |
237 | bool condition_result; | |
238 | ||
9d58f1db LP |
239 | bool in_load_queue:1; |
240 | bool in_dbus_queue:1; | |
241 | bool in_cleanup_queue:1; | |
701cc384 LP |
242 | bool in_gc_queue:1; |
243 | ||
9d58f1db | 244 | bool sent_dbus_new_signal:1; |
6c073082 LP |
245 | |
246 | bool no_gc:1; | |
cd6d0a45 LP |
247 | |
248 | bool in_audit:1; | |
87f0e418 LP |
249 | }; |
250 | ||
57020a3a LP |
251 | struct UnitRef { |
252 | /* Keeps tracks of references to a unit. This is useful so | |
253 | * that we can merge two units if necessary and correct all | |
254 | * references to them */ | |
255 | ||
256 | Unit* unit; | |
257 | LIST_FIELDS(UnitRef, refs); | |
258 | }; | |
259 | ||
87f0e418 LP |
260 | #include "service.h" |
261 | #include "timer.h" | |
262 | #include "socket.h" | |
263 | #include "target.h" | |
264 | #include "device.h" | |
265 | #include "mount.h" | |
266 | #include "automount.h" | |
267 | #include "snapshot.h" | |
07b0b134 | 268 | #include "swap.h" |
01f78473 | 269 | #include "path.h" |
87f0e418 | 270 | |
87f0e418 LP |
271 | struct UnitVTable { |
272 | const char *suffix; | |
273 | ||
7d17cfbc MS |
274 | /* How much memory does an object of this unit type need */ |
275 | size_t object_size; | |
276 | ||
f975e971 LP |
277 | /* Config file sections this unit type understands, separated |
278 | * by NUL chars */ | |
279 | const char *sections; | |
280 | ||
e537352b | 281 | /* This should reset all type-specific variables. This should |
a16e1123 LP |
282 | * not allocate memory, and is called with zero-initialized |
283 | * data. It should hence only initialize variables that need | |
284 | * to be set != 0. */ | |
e537352b LP |
285 | void (*init)(Unit *u); |
286 | ||
a16e1123 LP |
287 | /* This should free all type-specific variables. It should be |
288 | * idempotent. */ | |
289 | void (*done)(Unit *u); | |
290 | ||
e537352b LP |
291 | /* Actually load data from disk. This may fail, and should set |
292 | * load_state to UNIT_LOADED, UNIT_MERGED or leave it at | |
293 | * UNIT_STUB if no configuration could be found. */ | |
294 | int (*load)(Unit *u); | |
295 | ||
e537352b LP |
296 | /* If a a lot of units got created via enumerate(), this is |
297 | * where to actually set the state and call unit_notify(). */ | |
f50e0a01 | 298 | int (*coldplug)(Unit *u); |
87f0e418 LP |
299 | |
300 | void (*dump)(Unit *u, FILE *f, const char *prefix); | |
301 | ||
302 | int (*start)(Unit *u); | |
303 | int (*stop)(Unit *u); | |
304 | int (*reload)(Unit *u); | |
305 | ||
8a0867d6 LP |
306 | int (*kill)(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
307 | ||
87f0e418 LP |
308 | bool (*can_reload)(Unit *u); |
309 | ||
a16e1123 LP |
310 | /* Write all data that cannot be restored from other sources |
311 | * away using unit_serialize_item() */ | |
312 | int (*serialize)(Unit *u, FILE *f, FDSet *fds); | |
313 | ||
314 | /* Restore one item from the serialization */ | |
315 | int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); | |
316 | ||
87f0e418 LP |
317 | /* Boils down the more complex internal state of this unit to |
318 | * a simpler one that the engine can understand */ | |
319 | UnitActiveState (*active_state)(Unit *u); | |
320 | ||
10a94420 LP |
321 | /* Returns the substate specific to this unit type as |
322 | * string. This is purely information so that we can give the | |
35b8ca3a | 323 | * user a more fine grained explanation in which actual state a |
10a94420 LP |
324 | * unit is in. */ |
325 | const char* (*sub_state_to_string)(Unit *u); | |
326 | ||
701cc384 LP |
327 | /* Return true when there is reason to keep this entry around |
328 | * even nothing references it and it isn't active in any | |
329 | * way */ | |
330 | bool (*check_gc)(Unit *u); | |
331 | ||
332 | /* Return true when this unit is suitable for snapshotting */ | |
333 | bool (*check_snapshot)(Unit *u); | |
334 | ||
acbb0225 | 335 | void (*fd_event)(Unit *u, int fd, uint32_t events, Watch *w); |
87f0e418 | 336 | void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); |
acbb0225 | 337 | void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w); |
7824bbeb | 338 | |
5f4b19f4 LP |
339 | /* Check whether unit needs a daemon reload */ |
340 | bool (*need_daemon_reload)(Unit *u); | |
341 | ||
fdf20a31 MM |
342 | /* Reset failed state if we are in failed state */ |
343 | void (*reset_failed)(Unit *u); | |
5632e374 | 344 | |
05e343b7 LP |
345 | /* Called whenever any of the cgroups this unit watches for |
346 | * ran empty */ | |
8e274523 LP |
347 | void (*cgroup_notify_empty)(Unit *u); |
348 | ||
8c47c732 | 349 | /* Called whenever a process of this unit sends us a message */ |
c952c6ec | 350 | void (*notify_message)(Unit *u, pid_t pid, char **tags); |
8c47c732 | 351 | |
05e343b7 LP |
352 | /* Called whenever a name thus Unit registered for comes or |
353 | * goes away. */ | |
354 | void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner); | |
355 | ||
356 | /* Called whenever a bus PID lookup finishes */ | |
357 | void (*bus_query_pid_done)(Unit *u, const char *name, pid_t pid); | |
358 | ||
4139c1b2 | 359 | /* Called for each message received on the bus */ |
5e8d1c9a | 360 | DBusHandlerResult (*bus_message_handler)(Unit *u, DBusConnection *c, DBusMessage *message); |
4139c1b2 | 361 | |
a7f241db LP |
362 | /* Return the unit this unit is following */ |
363 | Unit *(*following)(Unit *u); | |
364 | ||
6210e7fc LP |
365 | /* Return the set of units that are following each other */ |
366 | int (*following_set)(Unit *u, Set **s); | |
367 | ||
f50e0a01 LP |
368 | /* This is called for each unit type and should be used to |
369 | * enumerate existing devices and load them. However, | |
370 | * everything that is loaded here should still stay in | |
371 | * inactive state. It is the job of the coldplug() call above | |
372 | * to put the units into the initial state. */ | |
7824bbeb | 373 | int (*enumerate)(Manager *m); |
f50e0a01 LP |
374 | |
375 | /* Type specific cleanups. */ | |
7824bbeb | 376 | void (*shutdown)(Manager *m); |
9d58f1db | 377 | |
c4e2ceae | 378 | /* When sending out PropertiesChanged signal, which properties |
96d4ce01 | 379 | * shall be invalidated? This is a NUL separated list of |
c4e2ceae LP |
380 | * strings, to minimize relocations a little. */ |
381 | const char *bus_invalidating_properties; | |
382 | ||
383 | /* The interface name */ | |
384 | const char *bus_interface; | |
385 | ||
9d58f1db LP |
386 | /* Can units of this type have multiple names? */ |
387 | bool no_alias:1; | |
388 | ||
9d58f1db LP |
389 | /* Instances make no sense for this type */ |
390 | bool no_instances:1; | |
391 | ||
701cc384 LP |
392 | /* Exclude from automatic gc */ |
393 | bool no_gc:1; | |
c497c7a9 | 394 | |
9e58ff9c LP |
395 | /* Show status updates on the console */ |
396 | bool show_status:1; | |
87f0e418 LP |
397 | }; |
398 | ||
399 | extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; | |
400 | ||
ac155bb8 | 401 | #define UNIT_VTABLE(u) unit_vtable[(u)->type] |
87f0e418 LP |
402 | |
403 | /* For casting a unit into the various unit types */ | |
404 | #define DEFINE_CAST(UPPERCASE, MixedCase) \ | |
405 | static inline MixedCase* UPPERCASE(Unit *u) { \ | |
ac155bb8 | 406 | if (_unlikely_(!u || u->type != UNIT_##UPPERCASE)) \ |
87f0e418 LP |
407 | return NULL; \ |
408 | \ | |
409 | return (MixedCase*) u; \ | |
410 | } | |
411 | ||
412 | /* For casting the various unit types into a unit */ | |
ac155bb8 | 413 | #define UNIT(u) (&(u)->meta) |
87f0e418 LP |
414 | |
415 | DEFINE_CAST(SOCKET, Socket); | |
416 | DEFINE_CAST(TIMER, Timer); | |
417 | DEFINE_CAST(SERVICE, Service); | |
418 | DEFINE_CAST(TARGET, Target); | |
419 | DEFINE_CAST(DEVICE, Device); | |
420 | DEFINE_CAST(MOUNT, Mount); | |
421 | DEFINE_CAST(AUTOMOUNT, Automount); | |
422 | DEFINE_CAST(SNAPSHOT, Snapshot); | |
07b0b134 | 423 | DEFINE_CAST(SWAP, Swap); |
01f78473 | 424 | DEFINE_CAST(PATH, Path); |
87f0e418 | 425 | |
7d17cfbc | 426 | Unit *unit_new(Manager *m, size_t size); |
87f0e418 LP |
427 | void unit_free(Unit *u); |
428 | ||
429 | int unit_add_name(Unit *u, const char *name); | |
9e2f7c11 | 430 | |
701cc384 | 431 | int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference); |
2c966c03 LP |
432 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference); |
433 | ||
701cc384 | 434 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 LP |
435 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
436 | ||
701cc384 | 437 | int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 | 438 | int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
0ae97ec1 | 439 | |
23a177ef LP |
440 | int unit_add_exec_dependencies(Unit *u, ExecContext *c); |
441 | ||
8e274523 LP |
442 | int unit_add_cgroup(Unit *u, CGroupBonding *b); |
443 | int unit_add_cgroup_from_text(Unit *u, const char *name); | |
d686d8a9 | 444 | int unit_add_default_cgroups(Unit *u); |
8e274523 | 445 | CGroupBonding* unit_get_default_cgroup(Unit *u); |
ab1f0633 | 446 | int unit_add_cgroup_attribute(Unit *u, const char *controller, const char *name, const char *value, CGroupAttributeMapCallback map_callback); |
8e274523 | 447 | |
0ae97ec1 | 448 | int unit_choose_id(Unit *u, const char *name); |
f50e0a01 | 449 | int unit_set_description(Unit *u, const char *description); |
87f0e418 | 450 | |
701cc384 LP |
451 | bool unit_check_gc(Unit *u); |
452 | ||
87f0e418 | 453 | void unit_add_to_load_queue(Unit *u); |
c1e1601e | 454 | void unit_add_to_dbus_queue(Unit *u); |
23a177ef | 455 | void unit_add_to_cleanup_queue(Unit *u); |
701cc384 | 456 | void unit_add_to_gc_queue(Unit *u); |
87f0e418 LP |
457 | |
458 | int unit_merge(Unit *u, Unit *other); | |
23a177ef LP |
459 | int unit_merge_by_name(Unit *u, const char *other); |
460 | ||
461 | Unit *unit_follow_merge(Unit *u); | |
87f0e418 | 462 | |
e537352b LP |
463 | int unit_load_fragment_and_dropin(Unit *u); |
464 | int unit_load_fragment_and_dropin_optional(Unit *u); | |
87f0e418 LP |
465 | int unit_load(Unit *unit); |
466 | ||
87f0e418 LP |
467 | const char *unit_description(Unit *u); |
468 | ||
f278026d LP |
469 | bool unit_has_name(Unit *u, const char *name); |
470 | ||
87f0e418 LP |
471 | UnitActiveState unit_active_state(Unit *u); |
472 | ||
10a94420 LP |
473 | const char* unit_sub_state_to_string(Unit *u); |
474 | ||
87f0e418 LP |
475 | void unit_dump(Unit *u, FILE *f, const char *prefix); |
476 | ||
477 | bool unit_can_reload(Unit *u); | |
478 | bool unit_can_start(Unit *u); | |
2528a7a6 | 479 | bool unit_can_isolate(Unit *u); |
87f0e418 LP |
480 | |
481 | int unit_start(Unit *u); | |
482 | int unit_stop(Unit *u); | |
483 | int unit_reload(Unit *u); | |
484 | ||
8a0867d6 LP |
485 | int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
486 | ||
e2f3b44c | 487 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_success); |
87f0e418 | 488 | |
acbb0225 LP |
489 | int unit_watch_fd(Unit *u, int fd, uint32_t events, Watch *w); |
490 | void unit_unwatch_fd(Unit *u, Watch *w); | |
87f0e418 LP |
491 | |
492 | int unit_watch_pid(Unit *u, pid_t pid); | |
493 | void unit_unwatch_pid(Unit *u, pid_t pid); | |
494 | ||
acbb0225 LP |
495 | int unit_watch_timer(Unit *u, usec_t delay, Watch *w); |
496 | void unit_unwatch_timer(Unit *u, Watch *w); | |
87f0e418 | 497 | |
05e343b7 LP |
498 | int unit_watch_bus_name(Unit *u, const char *name); |
499 | void unit_unwatch_bus_name(Unit *u, const char *name); | |
500 | ||
87f0e418 LP |
501 | bool unit_job_is_applicable(Unit *u, JobType j); |
502 | ||
0301abf4 LP |
503 | int set_unit_path(const char *p); |
504 | ||
50159e6a LP |
505 | char *unit_dbus_path(Unit *u); |
506 | ||
f6ff8c29 | 507 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found); |
a16e1123 | 508 | int unit_get_related_unit(Unit *u, const char *type, Unit **_found); |
f6ff8c29 | 509 | |
9e2f7c11 LP |
510 | char *unit_name_printf(Unit *u, const char* text); |
511 | char *unit_full_printf(Unit *u, const char *text); | |
512 | char **unit_full_printf_strv(Unit *u, char **l); | |
513 | ||
a16e1123 LP |
514 | bool unit_can_serialize(Unit *u); |
515 | int unit_serialize(Unit *u, FILE *f, FDSet *fds); | |
93a46b0b | 516 | void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr_(4,5); |
a16e1123 LP |
517 | void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value); |
518 | int unit_deserialize(Unit *u, FILE *f, FDSet *fds); | |
519 | ||
6e2ef85b LP |
520 | int unit_add_node_link(Unit *u, const char *what, bool wants); |
521 | ||
cca098b0 LP |
522 | int unit_coldplug(Unit *u); |
523 | ||
5831e9b7 | 524 | void unit_status_printf(Unit *u, const char *status, const char *format, ...); |
9e58ff9c | 525 | |
45fb0699 LP |
526 | bool unit_need_daemon_reload(Unit *u); |
527 | ||
fdf20a31 | 528 | void unit_reset_failed(Unit *u); |
5632e374 | 529 | |
a7f241db LP |
530 | Unit *unit_following(Unit *u); |
531 | ||
18ffdfda | 532 | bool unit_pending_inactive(Unit *u); |
f976f3f6 | 533 | bool unit_pending_active(Unit *u); |
18ffdfda | 534 | |
bba34eed LP |
535 | int unit_add_default_target_dependency(Unit *u, Unit *target); |
536 | ||
6210e7fc LP |
537 | int unit_following_set(Unit *u, Set **s); |
538 | ||
71fad675 | 539 | UnitType unit_name_to_type(const char *n); |
b9c0d441 | 540 | bool unit_name_is_valid(const char *n, bool template_ok); |
71fad675 | 541 | |
c0daa706 LP |
542 | void unit_trigger_on_failure(Unit *u); |
543 | ||
90bbc946 LP |
544 | bool unit_condition_test(Unit *u); |
545 | ||
a4375746 LP |
546 | UnitFileState unit_get_unit_file_state(Unit *u); |
547 | ||
57020a3a LP |
548 | Unit* unit_ref_set(UnitRef *ref, Unit *u); |
549 | void unit_ref_unset(UnitRef *ref); | |
550 | ||
551 | #define UNIT_DEREF(ref) ((ref).unit) | |
552 | ||
94f04347 LP |
553 | const char *unit_load_state_to_string(UnitLoadState i); |
554 | UnitLoadState unit_load_state_from_string(const char *s); | |
555 | ||
556 | const char *unit_active_state_to_string(UnitActiveState i); | |
557 | UnitActiveState unit_active_state_from_string(const char *s); | |
558 | ||
559 | const char *unit_dependency_to_string(UnitDependency i); | |
560 | UnitDependency unit_dependency_from_string(const char *s); | |
561 | ||
87f0e418 | 562 | #endif |