folkslinux
/
eudev
mirror of https://github.com/eudev-project/eudev.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

target: add default unit ordering deps from the unit not the target

This commit is contained in:
Lennart Poettering 2010-09-13 12:06:49 +02:00
parent 34f0c1a118
commit 98bc20006d
2 changed files with 42 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/target.c
View File

@ -53,27 +53,7 @@ static void target_set_state(Target *t, TargetState state) {
}
static int target_add_default_dependencies(Target *t) {
Iterator i;
Unit *other;
int r;
/* Imply ordering for requirement dependencies on target
* units. Note that when the user created a contradicting
* ordering manually we won't add anything in here to make
* sure we don't create a loop. */
SET_FOREACH(other, t->meta.dependencies[UNIT_REQUIRES], i)
if (!set_get(t->meta.dependencies[UNIT_BEFORE], other))
if ((r = unit_add_dependency(UNIT(t), UNIT_AFTER, other, true)) < 0)
return r;
SET_FOREACH(other, t->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
if (!set_get(t->meta.dependencies[UNIT_BEFORE], other))
if ((r = unit_add_dependency(UNIT(t), UNIT_AFTER, other, true)) < 0)
return r;
SET_FOREACH(other, t->meta.dependencies[UNIT_WANTS], i)
if (!set_get(t->meta.dependencies[UNIT_BEFORE], other))
if ((r = unit_add_dependency(UNIT(t), UNIT_AFTER, other, true)) < 0)
return r;
assert(t);
/* Make sure targets are unloaded on shutdown */
return unit_add_dependency_by_name(UNIT(t), UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true);

41
src/unit.c
View File

@ -725,6 +725,42 @@ int unit_load_fragment_and_dropin_optional(Unit *u) {
return 0;
}
static int unit_add_one_default_dependency(Unit *u, Unit *target) {
assert(u);
assert(target);
if (target->meta.type != UNIT_TARGET)
return 0;
/* Don't create loops */
if (set_get(target->meta.dependencies[UNIT_BEFORE], u))
return 0;
return unit_add_dependency(target, UNIT_AFTER, u, true);
}
static int unit_add_default_dependencies(Unit *u) {
Unit *other;
Iterator i;
int r;
assert(u);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i)
if ((r = unit_add_one_default_dependency(u, other)) < 0)
return r;
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i)
if ((r = unit_add_one_default_dependency(u, other)) < 0)
return r;
SET_FOREACH(other, u->meta.dependencies[UNIT_WANTED_BY], i)
if ((r = unit_add_one_default_dependency(u, other)) < 0)
return r;
return 0;
}
int unit_load(Unit *u) {
int r;
@ -750,6 +786,11 @@ int unit_load(Unit *u) {
goto fail;
}
if (u->meta.load_state == UNIT_LOADED &&
u->meta.default_dependencies)
if ((r = unit_add_default_dependencies(u)) < 0)
goto fail;
assert((u->meta.load_state != UNIT_MERGED) == !u->meta.merged_into);
unit_add_to_dbus_queue(unit_follow_merge(u));