X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=target.c;h=5c83dbaaf847fd022a28172e0b1e8c7f2b94ffc1;hp=b18e50fe5bdf756e49f8bee3fd657ff14f2f7fb5;hb=18149b9f57f8971ebc7d6401fc0a08a3173bcb29;hpb=a7334b0952ab66c17ee787e36e6d2c5ceb387de6 diff --git a/target.c b/target.c index b18e50fe5..5c83dbaaf 100644 --- a/target.c +++ b/target.c @@ -20,6 +20,7 @@ ***/ #include +#include #include "unit.h" #include "target.h" @@ -36,16 +37,13 @@ static const char* const state_string_table[_TARGET_STATE_MAX] = { [TARGET_ACTIVE] = "active" }; -static int target_init(Unit *u) { - int r; - assert(u); - - /* Make sure this config file actually exists */ +static void target_init(Unit *u) { + Target *t = TARGET(u); - if ((r = unit_load_fragment_and_dropin(u)) <= 0) - return r < 0 ? r : -ENOENT; + assert(t); + assert(u->meta.load_state == UNIT_STUB); - return 0; + t->state = 0; } static void target_dump(Unit *u, FILE *f, const char *prefix) { @@ -66,7 +64,8 @@ static void target_set_state(Target *t, TargetState state) { old_state = t->state; t->state = state; - log_debug("%s changed %s → %s", unit_id(UNIT(t)), state_string_table[old_state], state_string_table[state]); + if (state != old_state) + log_debug("%s changed %s → %s", unit_id(UNIT(t)), state_string_table[old_state], state_string_table[state]); unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state]); } @@ -97,10 +96,40 @@ 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", .init = target_init, + .load = unit_load_fragment_and_dropin, .dump = target_dump,