+int ust_app_disable_channel_all(struct ltt_ust_session *usess,
+ struct ltt_ust_channel *uchan);
+int ust_app_enable_channel_all(struct ltt_ust_session *usess,
+ struct ltt_ust_channel *uchan);
+int ust_app_disable_event_all(struct ltt_ust_session *usess,
+ struct ltt_ust_channel *uchan);