int lttng_kconsumer_sample_snapshot_positions(
struct lttng_consumer_stream *stream);
int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,
int lttng_kconsumer_sample_snapshot_positions(
struct lttng_consumer_stream *stream);
int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,