]>
Commit | Line | Data |
---|---|---|
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 | |
5430f7f2 LP |
12 | under the terms of the GNU Lesser General Public License as published by |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
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 | |
5430f7f2 | 19 | Lesser General Public License for more details. |
a7334b09 | 20 | |
5430f7f2 | 21 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
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 | 29 | typedef struct UnitVTable UnitVTable; |
87f0e418 LP |
30 | typedef enum UnitActiveState UnitActiveState; |
31 | typedef enum UnitDependency UnitDependency; | |
57020a3a | 32 | typedef struct UnitRef UnitRef; |
c6918296 | 33 | typedef struct UnitStatusMessageFormats UnitStatusMessageFormats; |
87f0e418 | 34 | |
87f0e418 LP |
35 | #include "set.h" |
36 | #include "util.h" | |
37 | #include "list.h" | |
38 | #include "socket-util.h" | |
39 | #include "execute.h" | |
52661efd | 40 | #include "condition.h" |
a4375746 | 41 | #include "install.h" |
0a9f8ed0 | 42 | #include "unit-name.h" |
87f0e418 | 43 | |
87f0e418 LP |
44 | enum UnitActiveState { |
45 | UNIT_ACTIVE, | |
032ff4af | 46 | UNIT_RELOADING, |
87f0e418 | 47 | UNIT_INACTIVE, |
fdf20a31 | 48 | UNIT_FAILED, |
87f0e418 LP |
49 | UNIT_ACTIVATING, |
50 | UNIT_DEACTIVATING, | |
94f04347 LP |
51 | _UNIT_ACTIVE_STATE_MAX, |
52 | _UNIT_ACTIVE_STATE_INVALID = -1 | |
87f0e418 LP |
53 | }; |
54 | ||
55 | static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) { | |
032ff4af | 56 | return t == UNIT_ACTIVE || t == UNIT_RELOADING; |
87f0e418 LP |
57 | } |
58 | ||
59 | static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) { | |
032ff4af | 60 | return t == UNIT_ACTIVE || t == UNIT_ACTIVATING || t == UNIT_RELOADING; |
87f0e418 LP |
61 | } |
62 | ||
63 | static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) { | |
fdf20a31 | 64 | return t == UNIT_INACTIVE || t == UNIT_FAILED || t == UNIT_DEACTIVATING; |
6124958c LP |
65 | } |
66 | ||
fdf20a31 MM |
67 | static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) { |
68 | return t == UNIT_INACTIVE || t == UNIT_FAILED; | |
87f0e418 LP |
69 | } |
70 | ||
71 | enum UnitDependency { | |
72 | /* Positive dependencies */ | |
73 | UNIT_REQUIRES, | |
9e2f7c11 | 74 | UNIT_REQUIRES_OVERRIDABLE, |
87f0e418 | 75 | UNIT_REQUISITE, |
9e2f7c11 LP |
76 | UNIT_REQUISITE_OVERRIDABLE, |
77 | UNIT_WANTS, | |
7f2cddae | 78 | UNIT_BINDS_TO, |
87f0e418 LP |
79 | |
80 | /* Inverse of the above */ | |
9e2f7c11 | 81 | UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */ |
f14e15f8 | 82 | UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */ |
9e2f7c11 | 83 | UNIT_WANTED_BY, /* inverse of 'wants' */ |
7f2cddae | 84 | UNIT_BOUND_BY, /* inverse of 'binds_to' */ |
87f0e418 LP |
85 | |
86 | /* Negative dependencies */ | |
69dd2852 LP |
87 | UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicted_by' */ |
88 | UNIT_CONFLICTED_BY, | |
87f0e418 LP |
89 | |
90 | /* Order */ | |
701cc384 | 91 | UNIT_BEFORE, /* inverse of 'before' is 'after' and vice versa */ |
87f0e418 LP |
92 | UNIT_AFTER, |
93 | ||
5de9682c LP |
94 | /* On Failure */ |
95 | UNIT_ON_FAILURE, | |
96 | ||
57020a3a LP |
97 | /* Triggers (i.e. a socket triggers a service) */ |
98 | UNIT_TRIGGERS, | |
99 | UNIT_TRIGGERED_BY, | |
100 | ||
4dcc1cb4 | 101 | /* Propagate reloads */ |
7f2cddae LP |
102 | UNIT_PROPAGATES_RELOAD_TO, |
103 | UNIT_RELOAD_PROPAGATED_FROM, | |
4dcc1cb4 | 104 | |
701cc384 LP |
105 | /* Reference information for GC logic */ |
106 | UNIT_REFERENCES, /* Inverse of 'references' is 'referenced_by' */ | |
107 | UNIT_REFERENCED_BY, | |
108 | ||
87f0e418 LP |
109 | _UNIT_DEPENDENCY_MAX, |
110 | _UNIT_DEPENDENCY_INVALID = -1 | |
111 | }; | |
112 | ||
ef734fd6 LP |
113 | #include "manager.h" |
114 | #include "job.h" | |
8e274523 | 115 | #include "cgroup.h" |
ab1f0633 | 116 | #include "cgroup-attr.h" |
ef734fd6 | 117 | |
ac155bb8 | 118 | struct Unit { |
87f0e418 | 119 | Manager *manager; |
23a177ef | 120 | |
87f0e418 LP |
121 | UnitType type; |
122 | UnitLoadState load_state; | |
23a177ef | 123 | Unit *merged_into; |
87f0e418 LP |
124 | |
125 | char *id; /* One name is special because we use it for identification. Points to an entry in the names set */ | |
9e2f7c11 | 126 | char *instance; |
87f0e418 LP |
127 | |
128 | Set *names; | |
129 | Set *dependencies[_UNIT_DEPENDENCY_MAX]; | |
130 | ||
7c8fa05c LP |
131 | char **requires_mounts_for; |
132 | ||
87f0e418 | 133 | char *description; |
49dbfa7b | 134 | char **documentation; |
faf919f1 | 135 | |
6be1e7d5 | 136 | char *fragment_path; /* if loaded from a config file this is the primary path to it */ |
1b64d026 | 137 | char *source_path; /* if converted, the source file */ |
45fb0699 | 138 | usec_t fragment_mtime; |
1b64d026 | 139 | usec_t source_mtime; |
87f0e418 | 140 | |
e0209d83 | 141 | /* If there is something to do with this unit, then this is the installed job for it */ |
87f0e418 LP |
142 | Job *job; |
143 | ||
e0209d83 MS |
144 | /* JOB_NOP jobs are special and can be installed without disturbing the real job. */ |
145 | Job *nop_job; | |
146 | ||
faf919f1 LP |
147 | usec_t job_timeout; |
148 | ||
57020a3a LP |
149 | /* References to this */ |
150 | LIST_HEAD(UnitRef, refs); | |
151 | ||
52661efd LP |
152 | /* Conditions to check */ |
153 | LIST_HEAD(Condition, conditions); | |
154 | ||
90bbc946 LP |
155 | dual_timestamp condition_timestamp; |
156 | ||
63983207 LP |
157 | dual_timestamp inactive_exit_timestamp; |
158 | dual_timestamp active_enter_timestamp; | |
159 | dual_timestamp active_exit_timestamp; | |
160 | dual_timestamp inactive_enter_timestamp; | |
87f0e418 | 161 | |
8e274523 LP |
162 | /* Counterparts in the cgroup filesystem */ |
163 | CGroupBonding *cgroup_bondings; | |
ab1f0633 | 164 | CGroupAttribute *cgroup_attributes; |
8e274523 | 165 | |
ef734fd6 | 166 | /* Per type list */ |
ac155bb8 | 167 | LIST_FIELDS(Unit, units_by_type); |
c1e1601e | 168 | |
7c8fa05c LP |
169 | /* All units which have requires_mounts_for set */ |
170 | LIST_FIELDS(Unit, has_requires_mounts_for); | |
171 | ||
701cc384 | 172 | /* Load queue */ |
ac155bb8 | 173 | LIST_FIELDS(Unit, load_queue); |
701cc384 | 174 | |
c1e1601e | 175 | /* D-Bus queue */ |
ac155bb8 | 176 | LIST_FIELDS(Unit, dbus_queue); |
23a177ef LP |
177 | |
178 | /* Cleanup queue */ | |
ac155bb8 | 179 | LIST_FIELDS(Unit, cleanup_queue); |
9d58f1db | 180 | |
701cc384 | 181 | /* GC queue */ |
ac155bb8 | 182 | LIST_FIELDS(Unit, gc_queue); |
701cc384 LP |
183 | |
184 | /* Used during GC sweeps */ | |
eced69b3 | 185 | unsigned gc_marker; |
701cc384 | 186 | |
7fab9d01 | 187 | /* When deserializing, temporarily store the job type for this |
39a18c60 MS |
188 | * unit here, if there was a job scheduled. |
189 | * Only for deserializing from a legacy version. New style uses full | |
190 | * serialized jobs. */ | |
7fab9d01 LP |
191 | int deserialized_job; /* This is actually of type JobType */ |
192 | ||
8821a00f LP |
193 | /* Error code when we didn't manage to load the unit (negative) */ |
194 | int load_error; | |
195 | ||
a4375746 LP |
196 | /* Cached unit file state */ |
197 | UnitFileState unit_file_state; | |
198 | ||
9d58f1db LP |
199 | /* Garbage collect us we nobody wants or requires us anymore */ |
200 | bool stop_when_unneeded; | |
201 | ||
35b8ca3a | 202 | /* Create default dependencies */ |
a40eb732 LP |
203 | bool default_dependencies; |
204 | ||
b5e9dba8 LP |
205 | /* Refuse manual starting, allow starting only indirectly via dependency. */ |
206 | bool refuse_manual_start; | |
207 | ||
208 | /* Don't allow the user to stop this unit manually, allow stopping only indirectly via dependency. */ | |
209 | bool refuse_manual_stop; | |
210 | ||
2528a7a6 LP |
211 | /* Allow isolation requests */ |
212 | bool allow_isolate; | |
213 | ||
222ae6a8 LP |
214 | /* Isolate OnFailure unit */ |
215 | bool on_failure_isolate; | |
216 | ||
c8f4d764 LP |
217 | /* Ignore this unit when isolating */ |
218 | bool ignore_on_isolate; | |
219 | ||
7a6000a6 LP |
220 | /* Ignore this unit when snapshotting */ |
221 | bool ignore_on_snapshot; | |
222 | ||
49f43d5f | 223 | /* Did the last condition check succeed? */ |
90bbc946 LP |
224 | bool condition_result; |
225 | ||
9d58f1db LP |
226 | bool in_load_queue:1; |
227 | bool in_dbus_queue:1; | |
228 | bool in_cleanup_queue:1; | |
701cc384 LP |
229 | bool in_gc_queue:1; |
230 | ||
9d58f1db | 231 | bool sent_dbus_new_signal:1; |
6c073082 LP |
232 | |
233 | bool no_gc:1; | |
cd6d0a45 LP |
234 | |
235 | bool in_audit:1; | |
87f0e418 LP |
236 | }; |
237 | ||
57020a3a LP |
238 | struct UnitRef { |
239 | /* Keeps tracks of references to a unit. This is useful so | |
240 | * that we can merge two units if necessary and correct all | |
241 | * references to them */ | |
242 | ||
243 | Unit* unit; | |
244 | LIST_FIELDS(UnitRef, refs); | |
245 | }; | |
246 | ||
c6918296 MS |
247 | struct UnitStatusMessageFormats { |
248 | const char *starting_stopping[2]; | |
249 | const char *finished_start_job[_JOB_RESULT_MAX]; | |
250 | const char *finished_stop_job[_JOB_RESULT_MAX]; | |
251 | }; | |
252 | ||
87f0e418 LP |
253 | #include "service.h" |
254 | #include "timer.h" | |
255 | #include "socket.h" | |
256 | #include "target.h" | |
257 | #include "device.h" | |
258 | #include "mount.h" | |
259 | #include "automount.h" | |
260 | #include "snapshot.h" | |
07b0b134 | 261 | #include "swap.h" |
01f78473 | 262 | #include "path.h" |
87f0e418 | 263 | |
87f0e418 | 264 | struct UnitVTable { |
7d17cfbc MS |
265 | /* How much memory does an object of this unit type need */ |
266 | size_t object_size; | |
267 | ||
f975e971 LP |
268 | /* Config file sections this unit type understands, separated |
269 | * by NUL chars */ | |
270 | const char *sections; | |
271 | ||
e537352b | 272 | /* This should reset all type-specific variables. This should |
a16e1123 LP |
273 | * not allocate memory, and is called with zero-initialized |
274 | * data. It should hence only initialize variables that need | |
275 | * to be set != 0. */ | |
e537352b LP |
276 | void (*init)(Unit *u); |
277 | ||
a16e1123 LP |
278 | /* This should free all type-specific variables. It should be |
279 | * idempotent. */ | |
280 | void (*done)(Unit *u); | |
281 | ||
e537352b LP |
282 | /* Actually load data from disk. This may fail, and should set |
283 | * load_state to UNIT_LOADED, UNIT_MERGED or leave it at | |
284 | * UNIT_STUB if no configuration could be found. */ | |
285 | int (*load)(Unit *u); | |
286 | ||
e537352b LP |
287 | /* If a a lot of units got created via enumerate(), this is |
288 | * where to actually set the state and call unit_notify(). */ | |
f50e0a01 | 289 | int (*coldplug)(Unit *u); |
87f0e418 LP |
290 | |
291 | void (*dump)(Unit *u, FILE *f, const char *prefix); | |
292 | ||
293 | int (*start)(Unit *u); | |
294 | int (*stop)(Unit *u); | |
295 | int (*reload)(Unit *u); | |
296 | ||
8a0867d6 LP |
297 | int (*kill)(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
298 | ||
87f0e418 LP |
299 | bool (*can_reload)(Unit *u); |
300 | ||
a16e1123 LP |
301 | /* Write all data that cannot be restored from other sources |
302 | * away using unit_serialize_item() */ | |
303 | int (*serialize)(Unit *u, FILE *f, FDSet *fds); | |
304 | ||
305 | /* Restore one item from the serialization */ | |
306 | int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); | |
307 | ||
87f0e418 LP |
308 | /* Boils down the more complex internal state of this unit to |
309 | * a simpler one that the engine can understand */ | |
310 | UnitActiveState (*active_state)(Unit *u); | |
311 | ||
10a94420 LP |
312 | /* Returns the substate specific to this unit type as |
313 | * string. This is purely information so that we can give the | |
35b8ca3a | 314 | * user a more fine grained explanation in which actual state a |
10a94420 LP |
315 | * unit is in. */ |
316 | const char* (*sub_state_to_string)(Unit *u); | |
317 | ||
701cc384 LP |
318 | /* Return true when there is reason to keep this entry around |
319 | * even nothing references it and it isn't active in any | |
320 | * way */ | |
321 | bool (*check_gc)(Unit *u); | |
322 | ||
323 | /* Return true when this unit is suitable for snapshotting */ | |
324 | bool (*check_snapshot)(Unit *u); | |
325 | ||
acbb0225 | 326 | void (*fd_event)(Unit *u, int fd, uint32_t events, Watch *w); |
87f0e418 | 327 | void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); |
acbb0225 | 328 | void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w); |
7824bbeb | 329 | |
fdf20a31 MM |
330 | /* Reset failed state if we are in failed state */ |
331 | void (*reset_failed)(Unit *u); | |
5632e374 | 332 | |
05e343b7 LP |
333 | /* Called whenever any of the cgroups this unit watches for |
334 | * ran empty */ | |
8e274523 LP |
335 | void (*cgroup_notify_empty)(Unit *u); |
336 | ||
8c47c732 | 337 | /* Called whenever a process of this unit sends us a message */ |
c952c6ec | 338 | void (*notify_message)(Unit *u, pid_t pid, char **tags); |
8c47c732 | 339 | |
05e343b7 LP |
340 | /* Called whenever a name thus Unit registered for comes or |
341 | * goes away. */ | |
342 | void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner); | |
343 | ||
344 | /* Called whenever a bus PID lookup finishes */ | |
345 | void (*bus_query_pid_done)(Unit *u, const char *name, pid_t pid); | |
346 | ||
4139c1b2 | 347 | /* Called for each message received on the bus */ |
5e8d1c9a | 348 | DBusHandlerResult (*bus_message_handler)(Unit *u, DBusConnection *c, DBusMessage *message); |
4139c1b2 | 349 | |
a7f241db LP |
350 | /* Return the unit this unit is following */ |
351 | Unit *(*following)(Unit *u); | |
352 | ||
6210e7fc LP |
353 | /* Return the set of units that are following each other */ |
354 | int (*following_set)(Unit *u, Set **s); | |
355 | ||
f50e0a01 LP |
356 | /* This is called for each unit type and should be used to |
357 | * enumerate existing devices and load them. However, | |
358 | * everything that is loaded here should still stay in | |
359 | * inactive state. It is the job of the coldplug() call above | |
360 | * to put the units into the initial state. */ | |
7824bbeb | 361 | int (*enumerate)(Manager *m); |
f50e0a01 LP |
362 | |
363 | /* Type specific cleanups. */ | |
7824bbeb | 364 | void (*shutdown)(Manager *m); |
9d58f1db | 365 | |
c4e2ceae | 366 | /* When sending out PropertiesChanged signal, which properties |
96d4ce01 | 367 | * shall be invalidated? This is a NUL separated list of |
c4e2ceae LP |
368 | * strings, to minimize relocations a little. */ |
369 | const char *bus_invalidating_properties; | |
370 | ||
371 | /* The interface name */ | |
372 | const char *bus_interface; | |
373 | ||
c6918296 MS |
374 | UnitStatusMessageFormats status_message_formats; |
375 | ||
9d58f1db LP |
376 | /* Can units of this type have multiple names? */ |
377 | bool no_alias:1; | |
378 | ||
9d58f1db LP |
379 | /* Instances make no sense for this type */ |
380 | bool no_instances:1; | |
381 | ||
701cc384 LP |
382 | /* Exclude from automatic gc */ |
383 | bool no_gc:1; | |
87f0e418 LP |
384 | }; |
385 | ||
386 | extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; | |
387 | ||
ac155bb8 | 388 | #define UNIT_VTABLE(u) unit_vtable[(u)->type] |
87f0e418 LP |
389 | |
390 | /* For casting a unit into the various unit types */ | |
391 | #define DEFINE_CAST(UPPERCASE, MixedCase) \ | |
392 | static inline MixedCase* UPPERCASE(Unit *u) { \ | |
ac155bb8 | 393 | if (_unlikely_(!u || u->type != UNIT_##UPPERCASE)) \ |
87f0e418 LP |
394 | return NULL; \ |
395 | \ | |
396 | return (MixedCase*) u; \ | |
397 | } | |
398 | ||
399 | /* For casting the various unit types into a unit */ | |
ac155bb8 | 400 | #define UNIT(u) (&(u)->meta) |
87f0e418 LP |
401 | |
402 | DEFINE_CAST(SOCKET, Socket); | |
403 | DEFINE_CAST(TIMER, Timer); | |
404 | DEFINE_CAST(SERVICE, Service); | |
405 | DEFINE_CAST(TARGET, Target); | |
406 | DEFINE_CAST(DEVICE, Device); | |
407 | DEFINE_CAST(MOUNT, Mount); | |
408 | DEFINE_CAST(AUTOMOUNT, Automount); | |
409 | DEFINE_CAST(SNAPSHOT, Snapshot); | |
07b0b134 | 410 | DEFINE_CAST(SWAP, Swap); |
01f78473 | 411 | DEFINE_CAST(PATH, Path); |
87f0e418 | 412 | |
7d17cfbc | 413 | Unit *unit_new(Manager *m, size_t size); |
87f0e418 LP |
414 | void unit_free(Unit *u); |
415 | ||
416 | int unit_add_name(Unit *u, const char *name); | |
9e2f7c11 | 417 | |
701cc384 | 418 | int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference); |
2c966c03 LP |
419 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference); |
420 | ||
701cc384 | 421 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 LP |
422 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
423 | ||
701cc384 | 424 | int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference); |
2c966c03 | 425 | int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference); |
0ae97ec1 | 426 | |
23a177ef LP |
427 | int unit_add_exec_dependencies(Unit *u, ExecContext *c); |
428 | ||
8e274523 LP |
429 | int unit_add_cgroup(Unit *u, CGroupBonding *b); |
430 | int unit_add_cgroup_from_text(Unit *u, const char *name); | |
d686d8a9 | 431 | int unit_add_default_cgroups(Unit *u); |
8e274523 | 432 | CGroupBonding* unit_get_default_cgroup(Unit *u); |
ab1f0633 | 433 | int unit_add_cgroup_attribute(Unit *u, const char *controller, const char *name, const char *value, CGroupAttributeMapCallback map_callback); |
8e274523 | 434 | |
0ae97ec1 | 435 | int unit_choose_id(Unit *u, const char *name); |
f50e0a01 | 436 | int unit_set_description(Unit *u, const char *description); |
87f0e418 | 437 | |
701cc384 LP |
438 | bool unit_check_gc(Unit *u); |
439 | ||
87f0e418 | 440 | void unit_add_to_load_queue(Unit *u); |
c1e1601e | 441 | void unit_add_to_dbus_queue(Unit *u); |
23a177ef | 442 | void unit_add_to_cleanup_queue(Unit *u); |
701cc384 | 443 | void unit_add_to_gc_queue(Unit *u); |
87f0e418 LP |
444 | |
445 | int unit_merge(Unit *u, Unit *other); | |
23a177ef LP |
446 | int unit_merge_by_name(Unit *u, const char *other); |
447 | ||
448 | Unit *unit_follow_merge(Unit *u); | |
87f0e418 | 449 | |
e537352b LP |
450 | int unit_load_fragment_and_dropin(Unit *u); |
451 | int unit_load_fragment_and_dropin_optional(Unit *u); | |
87f0e418 LP |
452 | int unit_load(Unit *unit); |
453 | ||
87f0e418 LP |
454 | const char *unit_description(Unit *u); |
455 | ||
f278026d LP |
456 | bool unit_has_name(Unit *u, const char *name); |
457 | ||
87f0e418 LP |
458 | UnitActiveState unit_active_state(Unit *u); |
459 | ||
10a94420 LP |
460 | const char* unit_sub_state_to_string(Unit *u); |
461 | ||
87f0e418 LP |
462 | void unit_dump(Unit *u, FILE *f, const char *prefix); |
463 | ||
464 | bool unit_can_reload(Unit *u); | |
465 | bool unit_can_start(Unit *u); | |
2528a7a6 | 466 | bool unit_can_isolate(Unit *u); |
87f0e418 LP |
467 | |
468 | int unit_start(Unit *u); | |
469 | int unit_stop(Unit *u); | |
470 | int unit_reload(Unit *u); | |
471 | ||
8a0867d6 LP |
472 | int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error); |
473 | ||
e2f3b44c | 474 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_success); |
87f0e418 | 475 | |
acbb0225 LP |
476 | int unit_watch_fd(Unit *u, int fd, uint32_t events, Watch *w); |
477 | void unit_unwatch_fd(Unit *u, Watch *w); | |
87f0e418 LP |
478 | |
479 | int unit_watch_pid(Unit *u, pid_t pid); | |
480 | void unit_unwatch_pid(Unit *u, pid_t pid); | |
481 | ||
acbb0225 LP |
482 | int unit_watch_timer(Unit *u, usec_t delay, Watch *w); |
483 | void unit_unwatch_timer(Unit *u, Watch *w); | |
87f0e418 | 484 | |
05e343b7 LP |
485 | int unit_watch_bus_name(Unit *u, const char *name); |
486 | void unit_unwatch_bus_name(Unit *u, const char *name); | |
487 | ||
87f0e418 LP |
488 | bool unit_job_is_applicable(Unit *u, JobType j); |
489 | ||
0301abf4 LP |
490 | int set_unit_path(const char *p); |
491 | ||
50159e6a LP |
492 | char *unit_dbus_path(Unit *u); |
493 | ||
f6ff8c29 | 494 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found); |
a16e1123 | 495 | int unit_get_related_unit(Unit *u, const char *type, Unit **_found); |
f6ff8c29 | 496 | |
9e2f7c11 LP |
497 | char *unit_name_printf(Unit *u, const char* text); |
498 | char *unit_full_printf(Unit *u, const char *text); | |
499 | char **unit_full_printf_strv(Unit *u, char **l); | |
500 | ||
a16e1123 LP |
501 | bool unit_can_serialize(Unit *u); |
502 | int unit_serialize(Unit *u, FILE *f, FDSet *fds); | |
93a46b0b | 503 | void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr_(4,5); |
a16e1123 LP |
504 | void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value); |
505 | int unit_deserialize(Unit *u, FILE *f, FDSet *fds); | |
506 | ||
6e2ef85b LP |
507 | int unit_add_node_link(Unit *u, const char *what, bool wants); |
508 | ||
cca098b0 LP |
509 | int unit_coldplug(Unit *u); |
510 | ||
5831e9b7 | 511 | void unit_status_printf(Unit *u, const char *status, const char *format, ...); |
9e58ff9c | 512 | |
45fb0699 LP |
513 | bool unit_need_daemon_reload(Unit *u); |
514 | ||
fdf20a31 | 515 | void unit_reset_failed(Unit *u); |
5632e374 | 516 | |
a7f241db LP |
517 | Unit *unit_following(Unit *u); |
518 | ||
18ffdfda | 519 | bool unit_pending_inactive(Unit *u); |
f976f3f6 | 520 | bool unit_pending_active(Unit *u); |
18ffdfda | 521 | |
bba34eed LP |
522 | int unit_add_default_target_dependency(Unit *u, Unit *target); |
523 | ||
6210e7fc LP |
524 | int unit_following_set(Unit *u, Set **s); |
525 | ||
c0daa706 LP |
526 | void unit_trigger_on_failure(Unit *u); |
527 | ||
90bbc946 LP |
528 | bool unit_condition_test(Unit *u); |
529 | ||
a4375746 LP |
530 | UnitFileState unit_get_unit_file_state(Unit *u); |
531 | ||
57020a3a LP |
532 | Unit* unit_ref_set(UnitRef *ref, Unit *u); |
533 | void unit_ref_unset(UnitRef *ref); | |
534 | ||
535 | #define UNIT_DEREF(ref) ((ref).unit) | |
536 | ||
7c8fa05c LP |
537 | int unit_add_one_mount_link(Unit *u, Mount *m); |
538 | int unit_add_mount_links(Unit *u); | |
539 | ||
e06c73cc LP |
540 | int unit_patch_working_directory(Unit *u, ExecContext *c); |
541 | ||
94f04347 LP |
542 | const char *unit_active_state_to_string(UnitActiveState i); |
543 | UnitActiveState unit_active_state_from_string(const char *s); | |
544 | ||
545 | const char *unit_dependency_to_string(UnitDependency i); | |
546 | UnitDependency unit_dependency_from_string(const char *s); | |
547 | ||
87f0e418 | 548 | #endif |