diff options
-rw-r--r-- | target.c | 29 | ||||
-rw-r--r-- | target.h | 5 |
2 files changed, 33 insertions, 1 deletions
@@ -89,6 +89,35 @@ static UnitActiveState target_active_state(Unit *u) { return state_translation_table[TARGET(u)->state]; } +int target_get_runlevel(Target *t) { + + static const struct { + const char *special; + const int runlevel; + } table[] = { + { SPECIAL_RUNLEVEL5_TARGET, '5' }, + { SPECIAL_RUNLEVEL4_TARGET, '4' }, + { SPECIAL_RUNLEVEL3_TARGET, '3' }, + { SPECIAL_RUNLEVEL2_TARGET, '2' }, + { SPECIAL_RUNLEVEL1_TARGET, '1' }, + { SPECIAL_RUNLEVEL0_TARGET, '0' }, + { SPECIAL_RUNLEVEL6_TARGET, '6' }, + }; + + unsigned i; + + assert(t); + + /* Tries to determine if this is a SysV runlevel and returns + * it if that is so. */ + + for (i = 0; i < ELEMENTSOF(table); i++) + if (unit_has_name(UNIT(t), table[i].special)) + return table[i].runlevel; + + return 0; +} + const UnitVTable target_vtable = { .suffix = ".target", @@ -29,7 +29,8 @@ typedef struct Target Target; typedef enum TargetState { TARGET_DEAD, TARGET_ACTIVE, - _TARGET_STATE_MAX + _TARGET_STATE_MAX, + _TARGET_STATE_INVALID = -1 } TargetState; struct Target { @@ -40,4 +41,6 @@ struct Target { extern const UnitVTable target_vtable; +int target_get_runlevel(Target *t); + #endif |