service: shortcut operations if the MAINPID= doesn't actually cause a change

2017-11-27 17:04:57 +01:00
parent 2fa40742a4
commit f3b900311f
1 changed files with 1 additions and 1 deletions
@@ -3386,7 +3386,7 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags, FDSet *fds)
                        log_unit_warning(u, "A control process cannot also be the main process");
                else if (pid == getpid_cached() || pid == 1)
                        log_unit_warning(u, "Service manager can't be main process, ignoring sd_notify() MAINPID= field");
-                else {
+                else if (pid != s->main_pid) {
                        service_set_main_pid(s, pid);
                        unit_watch_pid(UNIT(s), pid);
                        notify_dbus = true;