+int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
+ unsigned long *off);
+void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
+ uint64_t *stream_id);
+int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
+void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht);
+void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata);
+void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
+ uint64_t len, struct lttng_consumer_channel *channel,
+ int timer, int wait);
+int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
+ struct lttng_consumer_channel *channel, int timer, int wait);
+int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
+ struct lttng_consumer_stream *metadata);
+void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
+ int producer);
+int lttng_ustconsumer_get_current_timestamp(
+ struct lttng_consumer_stream *stream, uint64_t *ts);
+