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-rw-r--r--src/unit.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/unit.c b/src/unit.c
index 001d7659c4..d28a0a8cf7 100644
--- a/src/unit.c
+++ b/src/unit.c
@@ -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));