1 /* SPDX-License-Identifier: LGPL-2.1+ */
8 typedef enum UnitType
{
21 _UNIT_TYPE_INVALID
= -1
24 typedef enum UnitLoadState
{
27 UNIT_NOT_FOUND
, /* error condition #1: unit file not found */
28 UNIT_BAD_SETTING
, /* error condition #2: we couldn't parse some essential unit file setting */
29 UNIT_ERROR
, /* error condition #3: other "system" error, catchall for the rest */
33 _UNIT_LOAD_STATE_INVALID
= -1
36 typedef enum UnitActiveState
{
43 _UNIT_ACTIVE_STATE_MAX
,
44 _UNIT_ACTIVE_STATE_INVALID
= -1
47 typedef enum AutomountState
{
53 _AUTOMOUNT_STATE_INVALID
= -1
56 /* We simply watch devices, we cannot plug/unplug them. That
57 * simplifies the state engine greatly */
58 typedef enum DeviceState
{
60 DEVICE_TENTATIVE
, /* mounted or swapped, but not (yet) announced by udev */
61 DEVICE_PLUGGED
, /* announced by udev */
63 _DEVICE_STATE_INVALID
= -1
66 typedef enum MountState
{
68 MOUNT_MOUNTING
, /* /usr/bin/mount is running, but the mount is not done yet. */
69 MOUNT_MOUNTING_DONE
, /* /usr/bin/mount is running, and the mount is done. */
73 MOUNT_REMOUNTING_SIGTERM
,
74 MOUNT_REMOUNTING_SIGKILL
,
75 MOUNT_UNMOUNTING_SIGTERM
,
76 MOUNT_UNMOUNTING_SIGKILL
,
79 _MOUNT_STATE_INVALID
= -1
82 typedef enum PathState
{
88 _PATH_STATE_INVALID
= -1
91 typedef enum ScopeState
{
99 _SCOPE_STATE_INVALID
= -1
102 typedef enum ServiceState
{
108 SERVICE_EXITED
, /* Nothing is running anymore, but RemainAfterExit is true hence this is OK */
110 SERVICE_STOP
, /* No STOP_PRE state, instead just register multiple STOP executables */
111 SERVICE_STOP_SIGABRT
, /* Watchdog timeout */
112 SERVICE_STOP_SIGTERM
,
113 SERVICE_STOP_SIGKILL
,
115 SERVICE_FINAL_SIGTERM
, /* In case the STOP_POST executable hangs, we shoot that down, too */
116 SERVICE_FINAL_SIGKILL
,
118 SERVICE_AUTO_RESTART
,
120 _SERVICE_STATE_INVALID
= -1
123 typedef enum SliceState
{
127 _SLICE_STATE_INVALID
= -1
130 typedef enum SocketState
{
138 SOCKET_STOP_PRE_SIGTERM
,
139 SOCKET_STOP_PRE_SIGKILL
,
141 SOCKET_FINAL_SIGTERM
,
142 SOCKET_FINAL_SIGKILL
,
145 _SOCKET_STATE_INVALID
= -1
148 typedef enum SwapState
{
150 SWAP_ACTIVATING
, /* /sbin/swapon is running, but the swap not yet enabled. */
151 SWAP_ACTIVATING_DONE
, /* /sbin/swapon is running, and the swap is done. */
154 SWAP_DEACTIVATING_SIGTERM
,
155 SWAP_DEACTIVATING_SIGKILL
,
158 _SWAP_STATE_INVALID
= -1
161 typedef enum TargetState
{
165 _TARGET_STATE_INVALID
= -1
168 typedef enum TimerState
{
175 _TIMER_STATE_INVALID
= -1
178 typedef enum UnitDependency
{
179 /* Positive dependencies */
186 /* Inverse of the above */
187 UNIT_REQUIRED_BY
, /* inverse of 'requires' is 'required_by' */
188 UNIT_REQUISITE_OF
, /* inverse of 'requisite' is 'requisite_of' */
189 UNIT_WANTED_BY
, /* inverse of 'wants' */
190 UNIT_BOUND_BY
, /* inverse of 'binds_to' */
191 UNIT_CONSISTS_OF
, /* inverse of 'part_of' */
193 /* Negative dependencies */
194 UNIT_CONFLICTS
, /* inverse of 'conflicts' is 'conflicted_by' */
198 UNIT_BEFORE
, /* inverse of 'before' is 'after' and vice versa */
204 /* Triggers (i.e. a socket triggers a service) */
208 /* Propagate reloads */
209 UNIT_PROPAGATES_RELOAD_TO
,
210 UNIT_RELOAD_PROPAGATED_FROM
,
212 /* Joins namespace of */
213 UNIT_JOINS_NAMESPACE_OF
,
215 /* Reference information for GC logic */
216 UNIT_REFERENCES
, /* Inverse of 'references' is 'referenced_by' */
219 _UNIT_DEPENDENCY_MAX
,
220 _UNIT_DEPENDENCY_INVALID
= -1
223 typedef enum NotifyAccess
{
229 _NOTIFY_ACCESS_INVALID
= -1
232 char *unit_dbus_path_from_name(const char *name
);
233 int unit_name_from_dbus_path(const char *path
, char **name
);
235 const char* unit_dbus_interface_from_type(UnitType t
);
236 const char *unit_dbus_interface_from_name(const char *name
);
238 const char *unit_type_to_string(UnitType i
) _const_
;
239 UnitType
unit_type_from_string(const char *s
) _pure_
;
241 const char *unit_load_state_to_string(UnitLoadState i
) _const_
;
242 UnitLoadState
unit_load_state_from_string(const char *s
) _pure_
;
244 const char *unit_active_state_to_string(UnitActiveState i
) _const_
;
245 UnitActiveState
unit_active_state_from_string(const char *s
) _pure_
;
247 const char* automount_state_to_string(AutomountState i
) _const_
;
248 AutomountState
automount_state_from_string(const char *s
) _pure_
;
250 const char* device_state_to_string(DeviceState i
) _const_
;
251 DeviceState
device_state_from_string(const char *s
) _pure_
;
253 const char* mount_state_to_string(MountState i
) _const_
;
254 MountState
mount_state_from_string(const char *s
) _pure_
;
256 const char* path_state_to_string(PathState i
) _const_
;
257 PathState
path_state_from_string(const char *s
) _pure_
;
259 const char* scope_state_to_string(ScopeState i
) _const_
;
260 ScopeState
scope_state_from_string(const char *s
) _pure_
;
262 const char* service_state_to_string(ServiceState i
) _const_
;
263 ServiceState
service_state_from_string(const char *s
) _pure_
;
265 const char* slice_state_to_string(SliceState i
) _const_
;
266 SliceState
slice_state_from_string(const char *s
) _pure_
;
268 const char* socket_state_to_string(SocketState i
) _const_
;
269 SocketState
socket_state_from_string(const char *s
) _pure_
;
271 const char* swap_state_to_string(SwapState i
) _const_
;
272 SwapState
swap_state_from_string(const char *s
) _pure_
;
274 const char* target_state_to_string(TargetState i
) _const_
;
275 TargetState
target_state_from_string(const char *s
) _pure_
;
277 const char *timer_state_to_string(TimerState i
) _const_
;
278 TimerState
timer_state_from_string(const char *s
) _pure_
;
280 const char *unit_dependency_to_string(UnitDependency i
) _const_
;
281 UnitDependency
unit_dependency_from_string(const char *s
) _pure_
;
283 const char* notify_access_to_string(NotifyAccess i
) _const_
;
284 NotifyAccess
notify_access_from_string(const char *s
) _pure_
;