enum lttcomm_return_code lttng_consumer_open_channel_packets(
struct lttng_consumer_channel *channel);
int consumer_metadata_wakeup_pipe(const struct lttng_consumer_channel *channel);
enum lttcomm_return_code lttng_consumer_open_channel_packets(
struct lttng_consumer_channel *channel);
int consumer_metadata_wakeup_pipe(const struct lttng_consumer_channel *channel);