int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
int lttng_kconsumer_sync_metadata(struct lttng_consumer_stream *metadata);
int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
int lttng_kconsumer_sync_metadata(struct lttng_consumer_stream *metadata);