+
+int user_send_signal(User *u, bool new_user) {
+ DBusMessage *m;
+ int r = -ENOMEM;
+ char *p = NULL;
+ uint32_t uid;
+
+ assert(u);
+
+ m = dbus_message_new_signal("/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ new_user ? "UserNew" : "UserRemoved");
+
+ if (!m)
+ return -ENOMEM;
+
+ p = user_bus_path(u);
+ if (!p)
+ goto finish;
+
+ uid = u->uid;
+
+ if (!dbus_message_append_args(
+ m,
+ DBUS_TYPE_UINT32, &uid,
+ DBUS_TYPE_OBJECT_PATH, &p,
+ DBUS_TYPE_INVALID))
+ goto finish;
+
+ if (!dbus_connection_send(u->manager->bus, m, NULL))
+ goto finish;
+
+ r = 0;
+
+finish:
+ dbus_message_unref(m);
+ free(p);
+
+ return r;
+}
+
+int user_send_changed(User *u, const char *properties) {
+ DBusMessage *m;
+ int r = -ENOMEM;
+ char *p = NULL;
+
+ assert(u);
+
+ if (!u->started)
+ return 0;
+
+ p = user_bus_path(u);
+ if (!p)
+ return -ENOMEM;
+
+ m = bus_properties_changed_new(p, "org.freedesktop.login1.User", properties);
+ if (!m)
+ goto finish;
+
+ if (!dbus_connection_send(u->manager->bus, m, NULL))
+ goto finish;
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+ free(p);
+
+ return r;
+}