#define DEFAULT_TIMEOUT_USEC (20*USEC_PER_SEC)
#define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC)
+typedef enum KillMode {
+ KILL_CONTROL_GROUP = 0,
+ KILL_PROCESS_GROUP,
+ KILL_PROCESS,
+ _KILL_MODE_MAX,
+ _KILL_MODE_INVALID = -1
+} KillMode;
+
enum UnitType {
UNIT_SERVICE = 0,
UNIT_TIMER,
UNIT_AUTOMOUNT,
UNIT_SNAPSHOT,
_UNIT_TYPE_MAX,
- _UNIT_TYPE_INVALID = -1,
+ _UNIT_TYPE_INVALID = -1
};
enum UnitLoadState {
UNIT_STUB,
UNIT_LOADED,
UNIT_FAILED,
+ UNIT_MERGED,
_UNIT_LOAD_STATE_MAX,
_UNIT_LOAD_STATE_INVALID = -1
};
#include "manager.h"
#include "job.h"
+#include "cgroup.h"
struct Meta {
Manager *manager;
+
UnitType type;
UnitLoadState load_state;
+ Unit *merged_into;
char *id; /* One name is special because we use it for identification. Points to an entry in the names set */
Set *dependencies[_UNIT_DEPENDENCY_MAX];
char *description;
- char *load_path; /* if loaded from a config file this is the primary path to it */
+ char *fragment_path; /* if loaded from a config file this is the primary path to it */
/* If there is something to do with this unit, then this is
* the job for it */
Job *job;
bool in_load_queue:1;
+ bool in_dbus_queue:1;
+ bool in_cleanup_queue:1;
+ bool sent_dbus_new_signal:1;
/* If we go down, pull down everything that depends on us, too */
bool recursive_stop;
usec_t active_enter_timestamp;
usec_t active_exit_timestamp;
+ /* Counterparts in the cgroup filesystem */
+ CGroupBonding *cgroup_bondings;
+
/* Load queue */
LIST_FIELDS(Meta, load_queue);
/* Per type list */
LIST_FIELDS(Meta, units_per_type);
+
+ /* D-Bus queue */
+ LIST_FIELDS(Meta, dbus_queue);
+
+ /* Cleanup queue */
+ LIST_FIELDS(Meta, cleanup_queue);
};
#include "service.h"
struct UnitVTable {
const char *suffix;
- int (*init)(Unit *u);
+ /* Can units of this type have multiple names? */
+ bool no_alias:1;
+
+ /* If true units of this types can never have "Requires"
+ * dependencies, because state changes can only be observed,
+ * not triggered */
+ bool refuse_requires:1;
+
+ /* This should reset all type-specific variables. This should
+ * not allocate memory, and is either called with 0
+ * initialized data, or with data left from done() */
+ void (*init)(Unit *u);
+
+ /* Actually load data from disk. This may fail, and should set
+ * load_state to UNIT_LOADED, UNIT_MERGED or leave it at
+ * UNIT_STUB if no configuration could be found. */
+ int (*load)(Unit *u);
+
+ /* This should free all type-specific variables. It should be
+ * idempotent. There's no need to reset variables that deal
+ * with dynamic memory/resources. */
void (*done)(Unit *u);
+
+ /* If a a lot of units got created via enumerate(), this is
+ * where to actually set the state and call unit_notify(). */
int (*coldplug)(Unit *u);
void (*dump)(Unit *u, FILE *f, const char *prefix);
void (*sigchld_event)(Unit *u, pid_t pid, int code, int status);
void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w);
+ void (*cgroup_notify_empty)(Unit *u);
+
/* 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
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_exec_dependencies(Unit *u, ExecContext *c);
+
+int unit_add_cgroup(Unit *u, CGroupBonding *b);
+int unit_add_cgroup_from_text(Unit *u, const char *name);
+int unit_add_default_cgroup(Unit *u);
+CGroupBonding* unit_get_default_cgroup(Unit *u);
int unit_choose_id(Unit *u, const char *name);
int unit_set_description(Unit *u, const char *description);
void unit_add_to_load_queue(Unit *u);
+void unit_add_to_dbus_queue(Unit *u);
+void unit_add_to_cleanup_queue(Unit *u);
int unit_merge(Unit *u, Unit *other);
+int unit_merge_by_name(Unit *u, const char *other);
+
+Unit *unit_follow_merge(Unit *u);
int unit_load_fragment_and_dropin(Unit *u);
+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);
void unit_dump(Unit *u, FILE *f, const char *prefix);
bool unit_job_is_applicable(Unit *u, JobType j);
-const char *unit_path(void);
int set_unit_path(const char *p);
-char *unit_name_escape_path(const char *prefix, const char *path, const char *suffix);
+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);
const char *unit_type_to_string(UnitType i);
UnitType unit_type_from_string(const char *s);
const char *unit_dependency_to_string(UnitDependency i);
UnitDependency unit_dependency_from_string(const char *s);
-char *unit_dbus_path(Unit *u);
+const char *kill_mode_to_string(KillMode k);
+KillMode kill_mode_from_string(const char *s);
#endif