From e293f0f07d0dcff74acf756a2b88d7bd949257a7 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 10 Apr 2010 04:52:21 +0200 Subject: target: introduce target_get_runlevel() for distilling SysV compatible runlevel information from a target --- target.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'target.c') diff --git a/target.c b/target.c index c80c09d546..f34ba0c36d 100644 --- a/target.c +++ b/target.c @@ -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", -- cgit v1.2.3-54-g00ecf