void unit_warn_if_dir_nonempty(Unit *u, const char* where);
int unit_fail_if_noncanonical(Unit *u, const char* where);
-int unit_start_limit_test(Unit *u);
+int unit_test_start_limit(Unit *u);
void unit_unref_uid(Unit *u, bool destroy_now);
int unit_ref_uid(Unit *u, uid_t uid, bool clean_ipc);
int unit_prepare_exec(Unit *u);
-void unit_warn_leftover_processes(Unit *u);
+int unit_warn_leftover_processes(Unit *u);
bool unit_needs_console(Unit *u);