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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; | |
57020a3a | 35 | typedef struct UnitRef UnitRef; |
87f0e418 | 36 | |
87f0e418 LP |
37 | #include "set.h" |
38 | #include "util.h" | |
39 | #include "list.h" | |
40 | #include "socket-util.h" | |
41 | #include "execute.h" | |
52661efd | 42 | #include "condition.h" |
a4375746 | 43 | #include "install.h" |
87f0e418 | 44 | |
87f0e418 LP |
45 | enum UnitType { |
46 | UNIT_SERVICE = 0, | |
87f0e418 LP |
47 | UNIT_SOCKET, |
48 | UNIT_TARGET, | |
49 | UNIT_DEVICE, | |
50 | UNIT_MOUNT, | |
51 | UNIT_AUTOMOUNT, | |
52 | UNIT_SNAPSHOT, | |
41447faf | 53 | UNIT_TIMER, |
07b0b134 | 54 | UNIT_SWAP, |
01f78473 | 55 | UNIT_PATH, |
87f0e418 | 56 | _UNIT_TYPE_MAX, |
50159e6a | 57 | _UNIT_TYPE_INVALID = -1 |
87f0e418 LP |
58 | }; |
59 | ||
60 | enum UnitLoadState { | |
61 | UNIT_STUB, | |
62 | UNIT_LOADED, | |
fdf20a31 | 63 | UNIT_ERROR, |
23a177ef | 64 | UNIT_MERGED, |
6daf4f90 | 65 | UNIT_MASKED, |
94f04347 LP |
66 | _UNIT_LOAD_STATE_MAX, |
67 | _UNIT_LOAD_STATE_INVALID = -1 | |
87f0e418 LP |
68 | }; |
69 | ||
70 | enum UnitActiveState { | |
71 | UNIT_ACTIVE, | |
032ff4af | 72 | UNIT_RELOADING, |
87f0e418 | 73 | UNIT_INACTIVE, |
fdf20a31 | 74 | UNIT_FAILED, |
87f0e418 LP |
75 | UNIT_ACTIVATING, |
76 | UNIT_DEACTIVATING, | |
94f04347 LP |
77 | _UNIT_ACTIVE_STATE_MAX, |
78 | _UNIT_ACTIVE_STATE_INVALID = -1 | |
87f0e418 LP |
79 | }; |
80 | ||
81 | static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) { | |
032ff4af | 82 | return t == UNIT_ACTIVE || t == UNIT_RELOADING; |
87f0e418 LP |
83 | } |
84 | ||
85 | static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) { | |
032ff4af | 86 | return t == UNIT_ACTIVE || t == UNIT_ACTIVATING || t == UNIT_RELOADING; |
87f0e418 LP |
87 | } |
88 | ||
89 | static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) { | |
fdf20a31 | 90 | return t == UNIT_INACTIVE || t == UNIT_FAILED || t == UNIT_DEACTIVATING; |
6124958c LP |
91 | } |
92 | ||
fdf20a31 MM |
93 | static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) { |
94 | return t == UNIT_INACTIVE || t == UNIT_FAILED; | |
87f0e418 LP |
95 | } |
96 | ||
97 | enum UnitDependency { | |
98 | /* Positive dependencies */ | |
99 | UNIT_REQUIRES, | |
9e2f7c11 | 100 | UNIT_REQUIRES_OVERRIDABLE, |
87f0e418 | 101 | UNIT_REQUISITE, |
9e2f7c11 LP |
102 | UNIT_REQUISITE_OVERRIDABLE, |
103 | UNIT_WANTS, | |
b81884e7 | 104 | UNIT_BIND_TO, |
87f0e418 LP |
105 | |
106 | /* Inverse of the above */ | |
9e2f7c11 | 107 | UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */ |
f14e15f8 | 108 | UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */ |
9e2f7c11 | 109 | UNIT_WANTED_BY, /* inverse of 'wants' */ |
b81884e7 | 110 | UNIT_BOUND_BY, /* inverse of 'bind_to' */ |
87f0e418 LP |
111 | |
112 | /* Negative dependencies */ | |
69dd2852 LP |
113 | UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */ |
114 | UNIT_CONFLICTED_BY, | |
87f0e418 LP |
115 | |
116 | /* Order */ | |
701cc384 | 117 | UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */ |
87f0e418 LP |
118 | UNIT_AFTER, |
119 | ||
5de9682c LP |
120 | /* On Failure */ |
121 | UNIT_ON_FAILURE, | |
122 | ||
57020a3a LP |
123 | /* Triggers (i.e. a socket triggers a service) */ |
124 | UNIT_TRIGGERS, | |
125 | UNIT_TRIGGERED_BY, | |
126 | ||
4dcc1cb4 LP |
127 | /* Propagate reloads */ |
128 | UNIT_PROPAGATE_RELOAD_TO, | |
129 | UNIT_PROPAGATE_RELOAD_FROM, | |
130 | ||
701cc384 LP |
131 | /* Reference information for GC logic */ |
132 | UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */ | |
133 | UNIT_REFERENCED_BY, | |
134 | ||
87f0e418 LP |
135 | _UNIT_DEPENDENCY_MAX, |
136 | _UNIT_DEPENDENCY_INVALID = -1 | |
137 | }; | |
138 | ||
ef734fd6 LP |
139 | #include "manager.h" |
140 | #include "job.h" | |
8e274523 | 141 | #include "cgroup.h" |
ab1f0633 | 142 | #include "cgroup-attr.h" |
ef734fd6 | 143 | |
87f0e418 LP |
144 | struct Meta { |
145 | Manager *manager; | |
23a177ef | 146 | |
87f0e418 LP |
147 | UnitType type; |
148 | UnitLoadState load_state; | |
23a177ef | 149 | Unit *merged_into; |
87f0e418 LP |
150 | |
151 | char *id; /* One name is special because we use it for identification. Points to an entry in the names set */ | |
9e2f7c11 | 152 | char *instance; |
87f0e418 LP |
153 | |
154 | Set *names; | |
155 | Set *dependencies[_UNIT_DEPENDENCY_MAX]; | |
156 | ||
157 | char *description; | |
faf919f1 | 158 | |
6be1e7d5 | 159 | char *fragment_path; /* if loaded from a config file this is the primary path to it */ |
45fb0699 | 160 | usec_t fragment_mtime; |
87f0e418 LP |
161 | |
162 | /* If there is something to do with this unit, then this is | |
163 | * the job for it */ | |
164 | Job *job; | |
165 | ||
faf919f1 LP |
166 | usec_t job_timeout; |
167 | ||
57020a3a LP |
168 | /* References to this */ |
169 | LIST_HEAD(UnitRef, refs); | |
170 | ||
52661efd LP |
171 | /* Conditions to check */ |
172 | LIST_HEAD(Condition, conditions); | |
173 | ||
90bbc946 LP |
174 | dual_timestamp condition_timestamp; |
175 | ||
63983207 LP |
176 | dual_timestamp inactive_exit_timestamp; |
177 | dual_timestamp active_enter_timestamp; | |
178 | dual_timestamp active_exit_timestamp; | |
179 | dual_timestamp inactive_enter_timestamp; | |
87f0e418 | 180 | |
8e274523 LP |
181 | /* Counterparts in the cgroup filesystem */ |
182 | CGroupBonding *cgroup_bondings; | |
ab1f0633 | 183 | CGroupAttribute *cgroup_attributes; |
8e274523 | 184 | |
ef734fd6 | 185 | /* Per type list */ |
ab5c3e3f | 186 | LIST_FIELDS(Meta, units_by_type); |
c1e1601e | 187 | |
701cc384 LP |
188 | /* Load queue */ |
189 | LIST_FIELDS(Meta, load_queue); | |
190 | ||
c1e1601e LP |
191 | /* D-Bus queue */ |
192 | LIST_FIELDS(Meta, dbus_queue); | |
23a177ef LP |
193 | |
194 | /* Cleanup queue */ | |
195 | LIST_FIELDS(Meta, cleanup_queue); | |
9d58f1db | 196 | |
701cc384 LP |
197 | /* GC queue */ |
198 | LIST_FIELDS(Meta, gc_queue); | |
199 | ||
200 | /* Used during GC sweeps */ | |
eced69b3 | 201 | unsigned gc_marker; |
701cc384 | 202 | |
7fab9d01 LP |
203 | /* When deserializing, temporarily store the job type for this |
204 | * unit here, if there was a job scheduled */ | |
205 | int deserialized_job; /* This is actually of type JobType */ | |
206 | ||
8821a00f LP |
207 | /* Error code when we didn't manage to load the unit (negative) */ |
208 | int load_error; | |
209 | ||
a4375746 LP |
210 | /* Cached unit file state */ |
211 | UnitFileState unit_file_state; | |
212 | ||
9d58f1db LP |
213 | /* Garbage collect us we nobody wants or requires us anymore */ |
214 | bool stop_when_unneeded; | |
215 | ||
35b8ca3a | 216 | /* Create default dependencies */ |
a40eb732 LP |
217 | bool default_dependencies; |
218 | ||
b5e9dba8 LP |
219 | /* Refuse manual starting, allow starting only indirectly via dependency. */ |
220 | bool refuse_manual_start; | |
221 | ||
222 | /* Don't allow the user to stop this unit manually, allow stopping only indirectly via dependency. */ | |
223 | bool refuse_manual_stop; | |
224 | ||
2528a7a6 LP |
225 | /* Allow isolation requests */ |
226 | bool allow_isolate; | |
227 | ||
222ae6a8 LP |
228 | /* Isolate OnFailure unit */ |
229 | bool on_failure_isolate; | |
230 | ||
c8f4d764 LP |
231 | /* Ignore this unit when isolating */ |
232 | bool ignore_on_isolate; | |
233 | ||
7a6000a6 LP |
234 | /* Ignore this unit when snapshotting */ |
235 | bool ignore_on_snapshot; | |
236 | ||
90bbc946 LP |
237 | /* Did the last condition check suceed? */ |
238 | bool condition_result; | |
239 | ||
9d58f1db LP |
240 | bool in_load_queue:1; |
241 | bool in_dbus_queue:1; | |
242 | bool in_cleanup_queue:1; | |
701cc384 LP |
243 | bool in_gc_queue:1; |
244 | ||
9d58f1db | 245 | bool sent_dbus_new_signal:1; |
6c073082 LP |
246 | |
247 | bool no_gc:1; | |
cd6d0a45 LP |
248 | |
249 | bool in_audit:1; | |
87f0e418 LP |
250 | }; |
251 | ||
57020a3a LP |
252 | struct UnitRef { |
253 | /* Keeps tracks of references to a unit. This is useful so | |
254 | * that we can merge two units if necessary and correct all | |
255 | * references to them */ | |
256 | ||
257 | Unit* unit; | |
258 | LIST_FIELDS(UnitRef, refs); | |
259 | }; | |
260 | ||
87f0e418 LP |
261 | #include "service.h" |
262 | #include "timer.h" | |
263 | #include "socket.h" | |
264 | #include "target.h" | |
265 | #include "device.h" | |
266 | #include "mount.h" | |
267 | #include "automount.h" | |
268 | #include "snapshot.h" | |
07b0b134 | 269 | #include "swap.h" |
01f78473 | 270 | #include "path.h" |
87f0e418 LP |
271 | |
272 | union Unit { | |
273 | Meta meta; | |
274 | Service service; | |
275 | Timer timer; | |
276 | Socket socket; | |
277 | Target target; | |
278 | Device device; | |
279 | Mount mount; | |
280 | Automount automount; | |
281 | Snapshot snapshot; | |
07b0b134 | 282 | Swap swap; |
01f78473 | 283 | Path path; |
87f0e418 LP |
284 | }; |
285 | ||
286 | struct UnitVTable { | |
287 | const char *suffix; | |
288 | ||
7d17cfbc MS |
289 | /* How much memory does an object of this unit type need */ |
290 | size_t object_size; | |
291 | ||
f975e971 LP |
292 | /* Config file sections this unit type understands, separated |
293 | * by NUL chars */ | |
294 | const char *sections; | |
295 | ||
e537352b | 296 | /* This should reset all type-specific variables. This should |
a16e1123 LP |
297 | * not allocate memory, and is called with zero-initialized |
298 | * data. It should hence only initialize variables that need | |
299 | * to be set != 0. */ | |
e537352b LP |
300 | void (*init)(Unit *u); |
301 | ||
a16e1123 LP |
302 | /* This should free all type-specific variables. It should be |
303 | * idempotent. */ | |
304 | void (*done)(Unit *u); | |
305 | ||
e537352b LP |
306 | /* Actually load data from disk. This may fail, and should set |
307 | * load_state to UNIT_LOADED, UNIT_MERGED or leave it at | |
308 | * UNIT_STUB if no configuration could be found. */ | |
309 | int (*load)(Unit *u); | |
310 | ||
e537352b LP |
311 | /* If a a lot of units got created via enumerate(), this is |
312 | * where to actually set the state and call unit_notify(). */ | |
f50e0a01 | 313 | int (*coldplug)(Unit *u); |
87f0e418 LP |
314 | |
315 | void (*dump)(Unit *u, FILE *f, const char *prefix); | |
316 | ||
317 | int (*start)(Unit *u); | |
318 | int (*stop)(Unit *u); | |
319 | int (*reload)(Unit *u); | |
320 | ||
8a0867d6 LP |
321 | int (*kill)(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
322 | ||
87f0e418 LP |
323 | bool (*can_reload)(Unit *u); |
324 | ||
a16e1123 LP |
325 | /* Write all data that cannot be restored from other sources |
326 | * away using unit_serialize_item() */ | |
327 | int (*serialize)(Unit *u, FILE *f, FDSet *fds); | |
328 | ||
329 | /* Restore one item from the serialization */ | |
330 | int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); | |
331 | ||
87f0e418 LP |
332 | /* Boils down the more complex internal state of this unit to |
333 | * a simpler one that the engine can understand */ | |
334 | UnitActiveState (*active_state)(Unit *u); | |
335 | ||
10a94420 LP |
336 | /* Returns the substate specific to this unit type as |
337 | * string. This is purely information so that we can give the | |
35b8ca3a | 338 | * user a more fine grained explanation in which actual state a |
10a94420 LP |
339 | * unit is in. */ |
340 | const char* (*sub_state_to_string)(Unit *u); | |
341 | ||
701cc384 LP |
342 | /* Return true when there is reason to keep this entry around |
343 | * even nothing references it and it isn't active in any | |
344 | * way */ | |
345 | bool (*check_gc)(Unit *u); | |
346 | ||
347 | /* Return true when this unit is suitable for snapshotting */ | |
348 | bool (*check_snapshot)(Unit *u); | |
349 | ||
acbb0225 | 350 | void (*fd_event)(Unit *u, int fd, uint32_t events, Watch *w); |
87f0e418 | 351 | void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); |
acbb0225 | 352 | void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w); |
7824bbeb | 353 | |
5f4b19f4 LP |
354 | /* Check whether unit needs a daemon reload */ |
355 | bool (*need_daemon_reload)(Unit *u); | |
356 | ||
fdf20a31 MM |
357 | /* Reset failed state if we are in failed state */ |
358 | void (*reset_failed)(Unit *u); | |
5632e374 | 359 | |
05e343b7 LP |
360 | /* Called whenever any of the cgroups this unit watches for |
361 | * ran empty */ | |
8e274523 LP |
362 | void (*cgroup_notify_empty)(Unit *u); |
363 | ||
8c47c732 | 364 | /* Called whenever a process of this unit sends us a message */ |
c952c6ec | 365 | void (*notify_message)(Unit *u, pid_t pid, char **tags); |
8c47c732 | 366 | |
05e343b7 LP |
367 | /* Called whenever a name thus Unit registered for comes or |
368 | * goes away. */ | |
369 | void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner); | |
370 | ||
371 | /* Called whenever a bus PID lookup finishes */ | |
372 | void (*bus_query_pid_done)(Unit *u, const char *name, pid_t pid); | |
373 | ||
4139c1b2 | 374 | /* Called for each message received on the bus */ |
5e8d1c9a | 375 | DBusHandlerResult (*bus_message_handler)(Unit *u, DBusConnection *c, DBusMessage *message); |
4139c1b2 | 376 | |
a7f241db LP |
377 | /* Return the unit this unit is following */ |
378 | Unit *(*following)(Unit *u); | |
379 | ||
6210e7fc LP |
380 | /* Return the set of units that are following each other */ |
381 | int (*following_set)(Unit *u, Set **s); | |
382 | ||
f50e0a01 LP |
383 | /* This is called for each unit type and should be used to |
384 | * enumerate existing devices and load them. However, | |
385 | * everything that is loaded here should still stay in | |
386 | * inactive state. It is the job of the coldplug() call above | |
387 | * to put the units into the initial state. */ | |
7824bbeb | 388 | int (*enumerate)(Manager *m); |
f50e0a01 LP |
389 | |
390 | /* Type specific cleanups. */ | |
7824bbeb | 391 | void (*shutdown)(Manager *m); |
9d58f1db | 392 | |
c4e2ceae | 393 | /* When sending out PropertiesChanged signal, which properties |
96d4ce01 | 394 | * shall be invalidated? This is a NUL separated list of |
c4e2ceae LP |
395 | * strings, to minimize relocations a little. */ |
396 | const char *bus_invalidating_properties; | |
397 | ||
398 | /* The interface name */ | |
399 | const char *bus_interface; | |
400 | ||
9d58f1db LP |
401 | /* Can units of this type have multiple names? */ |
402 | bool no_alias:1; | |
403 | ||
9d58f1db LP |
404 | /* Instances make no sense for this type */ |
405 | bool no_instances:1; | |
406 | ||
701cc384 LP |
407 | /* Exclude from automatic gc */ |
408 | bool no_gc:1; | |
c497c7a9 | 409 | |
9e58ff9c LP |
410 | /* Show status updates on the console */ |
411 | bool show_status:1; | |
87f0e418 LP |
412 | }; |
413 | ||
414 | extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; | |
415 | ||
416 | #define UNIT_VTABLE(u) unit_vtable[(u)->meta.type] | |
417 | ||
418 | /* For casting a unit into the various unit types */ | |
419 | #define DEFINE_CAST(UPPERCASE, MixedCase) \ | |
420 | static inline MixedCase* UPPERCASE(Unit *u) { \ | |
399ab2b1 | 421 | if (_unlikely_(!u || u->meta.type != UNIT_##UPPERCASE)) \ |
87f0e418 LP |
422 | return NULL; \ |
423 | \ | |
424 | return (MixedCase*) u; \ | |
425 | } | |
426 | ||
427 | /* For casting the various unit types into a unit */ | |
399ab2b1 | 428 | #define UNIT(u) ((Unit*) (&(u)->meta)) |
87f0e418 LP |
429 | |
430 | DEFINE_CAST(SOCKET, Socket); | |
431 | DEFINE_CAST(TIMER, Timer); | |
432 | DEFINE_CAST(SERVICE, Service); | |
433 | DEFINE_CAST(TARGET, Target); | |
434 | DEFINE_CAST(DEVICE, Device); | |
435 | DEFINE_CAST(MOUNT, Mount); | |
436 | DEFINE_CAST(AUTOMOUNT, Automount); | |
437 | DEFINE_CAST(SNAPSHOT, Snapshot); | |
07b0b134 | 438 | DEFINE_CAST(SWAP, Swap); |
01f78473 | 439 | DEFINE_CAST(PATH, Path); |
87f0e418 | 440 | |
7d17cfbc | 441 | Unit *unit_new(Manager *m, size_t size); |
87f0e418 LP |
442 | void unit_free(Unit *u); |
443 | ||
444 | int unit_add_name(Unit *u, const char *name); | |
9e2f7c11 | 445 | |
701cc384 | 446 | int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference); |
2c966c03 LP |
447 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference); |
448 | ||
701cc384 | 449 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 LP |
450 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
451 | ||
701cc384 | 452 | int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 | 453 | int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
0ae97ec1 | 454 | |
23a177ef LP |
455 | int unit_add_exec_dependencies(Unit *u, ExecContext *c); |
456 | ||
8e274523 LP |
457 | int unit_add_cgroup(Unit *u, CGroupBonding *b); |
458 | int unit_add_cgroup_from_text(Unit *u, const char *name); | |
d686d8a9 | 459 | int unit_add_default_cgroups(Unit *u); |
8e274523 | 460 | CGroupBonding* unit_get_default_cgroup(Unit *u); |
ab1f0633 | 461 | int unit_add_cgroup_attribute(Unit *u, const char *controller, const char *name, const char *value, CGroupAttributeMapCallback map_callback); |
8e274523 | 462 | |
0ae97ec1 | 463 | int unit_choose_id(Unit *u, const char *name); |
f50e0a01 | 464 | int unit_set_description(Unit *u, const char *description); |
87f0e418 | 465 | |
701cc384 LP |
466 | bool unit_check_gc(Unit *u); |
467 | ||
87f0e418 | 468 | void unit_add_to_load_queue(Unit *u); |
c1e1601e | 469 | void unit_add_to_dbus_queue(Unit *u); |
23a177ef | 470 | void unit_add_to_cleanup_queue(Unit *u); |
701cc384 | 471 | void unit_add_to_gc_queue(Unit *u); |
87f0e418 LP |
472 | |
473 | int unit_merge(Unit *u, Unit *other); | |
23a177ef LP |
474 | int unit_merge_by_name(Unit *u, const char *other); |
475 | ||
476 | Unit *unit_follow_merge(Unit *u); | |
87f0e418 | 477 | |
e537352b LP |
478 | int unit_load_fragment_and_dropin(Unit *u); |
479 | int unit_load_fragment_and_dropin_optional(Unit *u); | |
87f0e418 LP |
480 | int unit_load(Unit *unit); |
481 | ||
87f0e418 LP |
482 | const char *unit_description(Unit *u); |
483 | ||
f278026d LP |
484 | bool unit_has_name(Unit *u, const char *name); |
485 | ||
87f0e418 LP |
486 | UnitActiveState unit_active_state(Unit *u); |
487 | ||
10a94420 LP |
488 | const char* unit_sub_state_to_string(Unit *u); |
489 | ||
87f0e418 LP |
490 | void unit_dump(Unit *u, FILE *f, const char *prefix); |
491 | ||
492 | bool unit_can_reload(Unit *u); | |
493 | bool unit_can_start(Unit *u); | |
2528a7a6 | 494 | bool unit_can_isolate(Unit *u); |
87f0e418 LP |
495 | |
496 | int unit_start(Unit *u); | |
497 | int unit_stop(Unit *u); | |
498 | int unit_reload(Unit *u); | |
499 | ||
8a0867d6 LP |
500 | int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
501 | ||
e2f3b44c | 502 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_success); |
87f0e418 | 503 | |
acbb0225 LP |
504 | int unit_watch_fd(Unit *u, int fd, uint32_t events, Watch *w); |
505 | void unit_unwatch_fd(Unit *u, Watch *w); | |
87f0e418 LP |
506 | |
507 | int unit_watch_pid(Unit *u, pid_t pid); | |
508 | void unit_unwatch_pid(Unit *u, pid_t pid); | |
509 | ||
acbb0225 LP |
510 | int unit_watch_timer(Unit *u, usec_t delay, Watch *w); |
511 | void unit_unwatch_timer(Unit *u, Watch *w); | |
87f0e418 | 512 | |
05e343b7 LP |
513 | int unit_watch_bus_name(Unit *u, const char *name); |
514 | void unit_unwatch_bus_name(Unit *u, const char *name); | |
515 | ||
87f0e418 LP |
516 | bool unit_job_is_applicable(Unit *u, JobType j); |
517 | ||
0301abf4 LP |
518 | int set_unit_path(const char *p); |
519 | ||
50159e6a LP |
520 | char *unit_dbus_path(Unit *u); |
521 | ||
f6ff8c29 | 522 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found); |
a16e1123 | 523 | int unit_get_related_unit(Unit *u, const char *type, Unit **_found); |
f6ff8c29 | 524 | |
9e2f7c11 LP |
525 | char *unit_name_printf(Unit *u, const char* text); |
526 | char *unit_full_printf(Unit *u, const char *text); | |
527 | char **unit_full_printf_strv(Unit *u, char **l); | |
528 | ||
a16e1123 LP |
529 | bool unit_can_serialize(Unit *u); |
530 | int unit_serialize(Unit *u, FILE *f, FDSet *fds); | |
93a46b0b | 531 | void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr_(4,5); |
a16e1123 LP |
532 | void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value); |
533 | int unit_deserialize(Unit *u, FILE *f, FDSet *fds); | |
534 | ||
6e2ef85b LP |
535 | int unit_add_node_link(Unit *u, const char *what, bool wants); |
536 | ||
cca098b0 LP |
537 | int unit_coldplug(Unit *u); |
538 | ||
5831e9b7 | 539 | void unit_status_printf(Unit *u, const char *status, const char *format, ...); |
9e58ff9c | 540 | |
45fb0699 LP |
541 | bool unit_need_daemon_reload(Unit *u); |
542 | ||
fdf20a31 | 543 | void unit_reset_failed(Unit *u); |
5632e374 | 544 | |
a7f241db LP |
545 | Unit *unit_following(Unit *u); |
546 | ||
18ffdfda | 547 | bool unit_pending_inactive(Unit *u); |
f976f3f6 | 548 | bool unit_pending_active(Unit *u); |
18ffdfda | 549 | |
bba34eed LP |
550 | int unit_add_default_target_dependency(Unit *u, Unit *target); |
551 | ||
6210e7fc LP |
552 | int unit_following_set(Unit *u, Set **s); |
553 | ||
71fad675 | 554 | UnitType unit_name_to_type(const char *n); |
b9c0d441 | 555 | bool unit_name_is_valid(const char *n, bool template_ok); |
71fad675 | 556 | |
c0daa706 LP |
557 | void unit_trigger_on_failure(Unit *u); |
558 | ||
90bbc946 LP |
559 | bool unit_condition_test(Unit *u); |
560 | ||
a4375746 LP |
561 | UnitFileState unit_get_unit_file_state(Unit *u); |
562 | ||
57020a3a LP |
563 | Unit* unit_ref_set(UnitRef *ref, Unit *u); |
564 | void unit_ref_unset(UnitRef *ref); | |
565 | ||
566 | #define UNIT_DEREF(ref) ((ref).unit) | |
567 | ||
94f04347 LP |
568 | const char *unit_load_state_to_string(UnitLoadState i); |
569 | UnitLoadState unit_load_state_from_string(const char *s); | |
570 | ||
571 | const char *unit_active_state_to_string(UnitActiveState i); | |
572 | UnitActiveState unit_active_state_from_string(const char *s); | |
573 | ||
574 | const char *unit_dependency_to_string(UnitDependency i); | |
575 | UnitDependency unit_dependency_from_string(const char *s); | |
576 | ||
87f0e418 | 577 | #endif |