b397b9cd33e6951cae3280c6478f034df90de82a
[lttng-tools.git] / src / common / kernel-consumer / kernel-consumer.h
1 /*
2 * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
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 <stdbool.h>
14 #include <common/consumer/consumer.h>
15
16 int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
17 int lttng_kconsumer_sample_snapshot_positions(
18 struct lttng_consumer_stream *stream);
19 int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,
20 unsigned long *pos);
21 int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream,
22 unsigned long *pos);
23 int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
24 int sock, struct pollfd *consumer_sockpoll);
25 ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
26 struct lttng_consumer_local_data *ctx);
27 int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
28 int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
29 int lttng_kconsumer_sync_metadata(struct lttng_consumer_stream *metadata);
30
31 #endif /* _LTTNG_KCONSUMER_H */
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