src/common/kernel-consumer/kernel-consumer.hpp

   1 /*
   2  * Copyright (C) 2011 EfficiOS Inc.
   3  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-only
   7  *
   8  */
   9
  10 #ifndef _LTTNG_KCONSUMER_H
  11 #define _LTTNG_KCONSUMER_H
  12
  13 #include <common/consumer/consumer.hpp>
  14
  15 #include <stdbool.h>
  16
  17 int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
  18 int lttng_kconsumer_sample_snapshot_positions(struct lttng_consumer_stream *stream);
  19 int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream, unsigned long *pos);
  20 int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream, unsigned long *pos);
  21 int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
  22                              int sock,
  23                              struct pollfd *consumer_sockpoll);
  24 int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
  25 int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
  26 enum sync_metadata_status lttng_kconsumer_sync_metadata(struct lttng_consumer_stream *metadata);
  27
  28 #endif /* _LTTNG_KCONSUMER_H */