+static int socket_coldplug(Unit *u) {
+ Socket *s = SOCKET(u);
+ int r;
+
+ assert(s);
+ assert(s->state == SOCKET_DEAD);
+
+ if (s->deserialized_state == s->state)
+ return 0;
+
+ if (IN_SET(s->deserialized_state,
+ SOCKET_START_PRE,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL,
+ SOCKET_STOP_POST,
+ SOCKET_FINAL_SIGTERM,
+ SOCKET_FINAL_SIGKILL)) {
+
+ if (s->control_pid <= 0)
+ return -EBADMSG;
+
+ r = unit_watch_pid(UNIT(s), s->control_pid);
+ if (r < 0)
+ return r;
+
+ r = socket_arm_timer(s);
+ if (r < 0)
+ return r;
+ }
+
+ if (IN_SET(s->deserialized_state,
+ SOCKET_START_CHOWN,
+ SOCKET_START_POST,
+ SOCKET_LISTENING,
+ SOCKET_RUNNING,
+ SOCKET_STOP_PRE,
+ SOCKET_STOP_PRE_SIGTERM,
+ SOCKET_STOP_PRE_SIGKILL)) {
+ r = socket_open_fds(s);
+ if (r < 0)
+ return r;
+ }
+
+ if (s->deserialized_state == SOCKET_LISTENING) {
+ r = socket_watch_fds(s);
+ if (r < 0)
+ return r;
+ }
+
+ socket_set_state(s, s->deserialized_state);
+ return 0;
+}
+
+static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
+ _cleanup_free_ char **argv = NULL;
+ pid_t pid;
+ int r;
+ ExecParameters exec_params = {
+ .apply_permissions = true,
+ .apply_chroot = true,
+ .apply_tty_stdin = true,
+ };
+
+ assert(s);
+ assert(c);
+ assert(_pid);
+
+ unit_realize_cgroup(UNIT(s));
+
+ r = unit_setup_exec_runtime(UNIT(s));
+ if (r < 0)
+ goto fail;
+
+ r = socket_arm_timer(s);
+ if (r < 0)
+ goto fail;
+
+ r = unit_full_printf_strv(UNIT(s), c->argv, &argv);
+ if (r < 0)
+ goto fail;
+
+ exec_params.argv = argv;
+ exec_params.environment = UNIT(s)->manager->environment;
+ exec_params.confirm_spawn = UNIT(s)->manager->confirm_spawn;
+ exec_params.cgroup_supported = UNIT(s)->manager->cgroup_supported;
+ exec_params.cgroup_path = UNIT(s)->cgroup_path;
+ exec_params.cgroup_delegate = s->cgroup_context.delegate;
+ exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(s)->manager);
+ exec_params.unit_id = UNIT(s)->id;
+
+ r = exec_spawn(c,
+ &s->exec_context,
+ &exec_params,
+ s->exec_runtime,
+ &pid);
+ if (r < 0)
+ goto fail;
+
+ r = unit_watch_pid(UNIT(s), pid);
+ if (r < 0)
+ /* FIXME: we need to do something here */
+ goto fail;
+
+ *_pid = pid;
+ return 0;
+
+fail:
+ s->timer_event_source = sd_event_source_unref(s->timer_event_source);
+ return r;
+}
+
+static int socket_chown(Socket *s, pid_t *_pid) {
+ pid_t pid;