+int ust_app_recv_registration(int sock, struct ust_register_msg *msg);
+int ust_app_recv_notify(int sock);
+void ust_app_add(struct ust_app *app);
+struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock);
+void ust_app_notify_sock_unregister(int sock);
+ssize_t ust_app_push_metadata(struct ust_registry_session *registry,
+ struct consumer_socket *socket, int send_zero_data);
+void ust_app_destroy(struct ust_app *app);
+int ust_app_snapshot_record(struct ltt_ust_session *usess,
+ struct snapshot_output *output, int wait, unsigned int nb_streams);
+unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess);
+struct ust_app *ust_app_find_by_sock(int sock);
+
+static inline
+int ust_app_supported(void)
+{
+ return 1;
+}