enum UnitType {
UNIT_SERVICE = 0,
- UNIT_TIMER,
UNIT_SOCKET,
UNIT_TARGET,
UNIT_DEVICE,
UNIT_MOUNT,
UNIT_AUTOMOUNT,
+ UNIT_TIMER,
UNIT_SNAPSHOT,
_UNIT_TYPE_MAX,
_UNIT_TYPE_INVALID = -1
enum UnitDependency {
/* Positive dependencies */
UNIT_REQUIRES,
- UNIT_SOFT_REQUIRES,
- UNIT_WANTS,
+ UNIT_REQUIRES_OVERRIDABLE,
UNIT_REQUISITE,
- UNIT_SOFT_REQUISITE,
+ UNIT_REQUISITE_OVERRIDABLE,
+ UNIT_WANTS,
/* Inverse of the above */
- UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */
- UNIT_SOFT_REQUIRED_BY, /* inverse of 'soft_requires' and 'soft_requisite' is 'soft_required_by' */
- UNIT_WANTED_BY, /* inverse of 'wants' */
+ UNIT_REQUIRED_BY, /* inverse of 'requires' and 'requisite' is 'required_by' */
+ UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'soft_requires' and 'soft_requisite' is 'soft_required_by' */
+ UNIT_WANTED_BY, /* inverse of 'wants' */
/* Negative dependencies */
- UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicts' */
+ UNIT_CONFLICTS, /* inverse of 'conflicts' is 'conflicts' */
/* Order */
- UNIT_BEFORE, /* inverse of before is after and vice versa */
+ UNIT_BEFORE, /* inverse of before is after and vice versa */
UNIT_AFTER,
_UNIT_DEPENDENCY_MAX,
Unit *merged_into;
char *id; /* One name is special because we use it for identification. Points to an entry in the names set */
+ char *instance;
Set *names;
Set *dependencies[_UNIT_DEPENDENCY_MAX];
/* If true units of this types can never have "Requires"
* dependencies, because state changes can only be observed,
* not triggered */
- bool refuse_requires:1;
+ bool no_requires:1;
+
+ /* Instances make no sense for this type */
+ bool no_instances:1;
/* This should reset all type-specific variables. This should
* not allocate memory, and is either called with 0
* a simpler one that the engine can understand */
UnitActiveState (*active_state)(Unit *u);
+ /* Returns the substate specific to this unit type as
+ * string. This is purely information so that we can give the
+ * user a more finegrained explanation in which actual state a
+ * unit is in. */
+ const char* (*sub_state_to_string)(Unit *u);
+
void (*fd_event)(Unit *u, int fd, uint32_t events, Watch *w);
void (*sigchld_event)(Unit *u, pid_t pid, int code, int status);
void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w);
+ /* Called whenever any of the cgroups this unit watches for
+ * ran empty */
void (*cgroup_notify_empty)(Unit *u);
+ /* Called whenever a name thus Unit registered for comes or
+ * goes away. */
+ void (*bus_name_owner_change)(Unit *u, const char *name, const char *old_owner, const char *new_owner);
+
+ /* Called whenever a bus PID lookup finishes */
+ void (*bus_query_pid_done)(Unit *u, const char *name, pid_t pid);
+
/* This is called for each unit type and should be used to
* enumerate existing devices and load them. However,
* everything that is loaded here should still stay in
DEFINE_CAST(AUTOMOUNT, Automount);
DEFINE_CAST(SNAPSHOT, Snapshot);
-UnitType unit_name_to_type(const char *n);
-bool unit_name_is_valid(const char *n);
-char *unit_name_change_suffix(const char *n, const char *suffix);
-
Unit *unit_new(Manager *m);
void unit_free(Unit *u);
int unit_add_name(Unit *u, const char *name);
+
int unit_add_dependency(Unit *u, UnitDependency d, Unit *other);
-int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name);
-int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name);
+int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename);
+int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename);
int unit_add_exec_dependencies(Unit *u, ExecContext *c);
int unit_load_fragment_and_dropin_optional(Unit *u);
int unit_load(Unit *unit);
-const char* unit_id(Unit *u);
const char *unit_description(Unit *u);
bool unit_has_name(Unit *u, const char *name);
UnitActiveState unit_active_state(Unit *u);
+const char* unit_sub_state_to_string(Unit *u);
+
void unit_dump(Unit *u, FILE *f, const char *prefix);
bool unit_can_reload(Unit *u);
int unit_watch_timer(Unit *u, usec_t delay, Watch *w);
void unit_unwatch_timer(Unit *u, Watch *w);
+int unit_watch_bus_name(Unit *u, const char *name);
+void unit_unwatch_bus_name(Unit *u, const char *name);
+
bool unit_job_is_applicable(Unit *u, JobType j);
int set_unit_path(const char *p);
-char *unit_name_escape_path(const char *path, const char *suffix);
-
char *unit_dbus_path(Unit *u);
int unit_load_related_unit(Unit *u, const char *type, Unit **_found);
+char *unit_name_printf(Unit *u, const char* text);
+char *unit_full_printf(Unit *u, const char *text);
+char **unit_full_printf_strv(Unit *u, char **l);
+
const char *unit_type_to_string(UnitType i);
UnitType unit_type_from_string(const char *s);