}
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);
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;
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));