+static void busname_sigchld_event(Unit *u, pid_t pid, int code, int status) {
+ BusName *n = BUSNAME(u);
+ BusNameResult f;
+
+ assert(n);
+ assert(pid >= 0);
+
+ if (pid != n->control_pid)
+ return;
+
+ n->control_pid = 0;
+
+ if (is_clean_exit(code, status, NULL))
+ f = BUSNAME_SUCCESS;
+ else if (code == CLD_EXITED)
+ f = BUSNAME_FAILURE_EXIT_CODE;
+ else if (code == CLD_KILLED)
+ f = BUSNAME_FAILURE_SIGNAL;
+ else if (code == CLD_DUMPED)
+ f = BUSNAME_FAILURE_CORE_DUMP;
+ else
+ assert_not_reached("Unknown sigchld code");
+
+ log_full_unit(f == BUSNAME_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+ u->id, "%s control process exited, code=%s status=%i",
+ u->id, sigchld_code_to_string(code), status);
+
+ if (f != BUSNAME_SUCCESS)
+ n->result = f;
+
+ switch (n->state) {
+
+ case BUSNAME_MAKING:
+ if (f == BUSNAME_SUCCESS)
+ busname_enter_listening(n);
+ else
+ busname_enter_signal(n, BUSNAME_SIGTERM, f);
+ break;
+
+ case BUSNAME_SIGTERM:
+ case BUSNAME_SIGKILL:
+ busname_enter_dead(n, f);
+ break;
+
+ default:
+ assert_not_reached("Uh, control process died at wrong time.");
+ }
+
+ /* Notify clients about changed exit status */
+ unit_add_to_dbus_queue(u);
+}
+
+static int busname_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) {
+ BusName *n = BUSNAME(userdata);
+
+ assert(n);
+ assert(n->timer_event_source == source);
+
+ switch (n->state) {
+
+ case BUSNAME_MAKING:
+ log_warning_unit(UNIT(n)->id, "%s making timed out. Terminating.", UNIT(n)->id);
+ busname_enter_signal(n, BUSNAME_SIGTERM, BUSNAME_FAILURE_TIMEOUT);
+ break;
+
+ case BUSNAME_SIGTERM:
+ log_warning_unit(UNIT(n)->id, "%s stopping timed out. Killing.", UNIT(n)->id);
+ busname_enter_signal(n, BUSNAME_SIGKILL, BUSNAME_FAILURE_TIMEOUT);
+ break;
+
+ case BUSNAME_SIGKILL:
+ log_warning_unit(UNIT(n)->id, "%s still around after SIGKILL. Ignoring.", UNIT(n)->id);
+ busname_enter_dead(n, BUSNAME_FAILURE_TIMEOUT);
+ break;
+
+ default:
+ assert_not_reached("Timeout at wrong time.");
+ }
+
+ return 0;
+}
+