+ struct lttng_channel *chan, int kernel_pipe);
+
+int channel_ust_create(struct ltt_ust_session *usession,
+ struct lttng_channel *chan, int sock);
+int channel_ust_copy(struct ltt_ust_channel *dst,
+ struct ltt_ust_channel *src);
+int channel_ust_disable(struct ltt_ust_session *usession,
+ struct ltt_ust_channel *uchan, int sock);
+int channel_ust_enable(struct ltt_ust_session *usession,
+ struct ltt_ust_channel *uchan, int sock);
+
+struct lttng_channel *channel_new_default_attr(int domain);