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,