-int ustctl_create_session(struct ltt_ust_session *session);
-int ustctl_destroy_session(struct ltt_ust_session *session);
+int ustctl_create_channel(int sock, struct ltt_ust_session *session,
+ struct lttng_channel *channel);
+int ustctl_create_session(int sock, struct ltt_ust_session *session);
+int ustctl_destroy_session(int sock, struct ltt_ust_session *session);
+int ustctl_disable_channel(int sock, struct ltt_ust_session *session,
+ struct ltt_ust_channel *chan);
+int ustctl_enable_channel(int sock, struct ltt_ust_session *session,
+ struct ltt_ust_channel *chan);