+ return unit_name_is_valid_no_type(n, template_ok);
+}
+
+int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error) {
+ assert(u);
+ assert(w >= 0 && w < _KILL_WHO_MAX);
+ assert(m >= 0 && m < _KILL_MODE_MAX);
+ assert(signo > 0);
+ assert(signo < _NSIG);
+
+ if (m == KILL_NONE)
+ return 0;
+
+ if (!UNIT_VTABLE(u)->kill)
+ return -ENOTSUP;
+
+ return UNIT_VTABLE(u)->kill(u, w, m, signo, error);
+}
+
+int unit_following_set(Unit *u, Set **s) {
+ assert(u);
+ assert(s);
+
+ if (UNIT_VTABLE(u)->following_set)
+ return UNIT_VTABLE(u)->following_set(u, s);
+
+ *s = NULL;
+ return 0;
+}
+
+UnitFileState unit_get_unit_file_state(Unit *u) {
+ assert(u);
+
+ if (u->unit_file_state < 0 && u->fragment_path)
+ u->unit_file_state = unit_file_get_state(
+ u->manager->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER,
+ NULL, file_name_from_path(u->fragment_path));
+
+ return u->unit_file_state;
+}
+
+Unit* unit_ref_set(UnitRef *ref, Unit *u) {
+ assert(ref);
+ assert(u);
+
+ if (ref->unit)
+ unit_ref_unset(ref);
+
+ ref->unit = u;
+ LIST_PREPEND(UnitRef, refs, u->refs, ref);
+ return u;
+}
+
+void unit_ref_unset(UnitRef *ref) {
+ assert(ref);
+
+ if (!ref->unit)
+ return;
+
+ LIST_REMOVE(UnitRef, refs, ref->unit->refs, ref);
+ ref->unit = NULL;