diff options
Diffstat (limited to 'unit.h')
| -rw-r--r-- | unit.h | 31 |
1 files changed, 23 insertions, 8 deletions
@@ -209,24 +209,24 @@ struct UnitVTable { /* Instances make no sense for this type */ bool no_instances:1; - /* Execlude this type from snapshots */ + /* Exclude this type from snapshots */ bool no_snapshots: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() */ + * not allocate memory, and is called with zero-initialized + * data. It should hence only initialize variables that need + * to be set != 0. */ void (*init)(Unit *u); + /* This should free all type-specific variables. It should be + * idempotent. */ + void (*done)(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); @@ -239,6 +239,13 @@ struct UnitVTable { bool (*can_reload)(Unit *u); + /* Write all data that cannot be restored from other sources + * away using unit_serialize_item() */ + int (*serialize)(Unit *u, FILE *f, FDSet *fds); + + /* Restore one item from the serialization */ + int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); + /* Boils down the more complex internal state of this unit to * a simpler one that the engine can understand */ UnitActiveState (*active_state)(Unit *u); @@ -333,6 +340,7 @@ 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_nop(Unit *u); int unit_load(Unit *unit); const char *unit_description(Unit *u); @@ -373,11 +381,18 @@ int set_unit_path(const char *p); char *unit_dbus_path(Unit *u); int unit_load_related_unit(Unit *u, const char *type, Unit **_found); +int unit_get_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); +bool unit_can_serialize(Unit *u); +int unit_serialize(Unit *u, FILE *f, FDSet *fds); +void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr(4,5); +void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value); +int unit_deserialize(Unit *u, FILE *f, FDSet *fds); + const char *unit_type_to_string(UnitType i); UnitType unit_type_from_string(const char *s); |