[lttng-tools.git] / src / common / kernel-consumer / kernel-consumer.h

/*
 * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 */

#ifndef _LTTNG_KCONSUMER_H
#define _LTTNG_KCONSUMER_H

#include <stdbool.h>
#include <common/consumer/consumer.h>

#ifdef __cplusplus
extern "C" {
#endif

int lttng_kconsumer_take_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,
		unsigned long *pos);
int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream,
		unsigned long *pos);
int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
		int sock, struct pollfd *consumer_sockpoll);
int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
enum sync_metadata_status lttng_kconsumer_sync_metadata(
		struct lttng_consumer_stream *metadata);

#ifdef __cplusplus
}
#endif

#endif /* _LTTNG_KCONSUMER_H */
Commit	Line	Data
	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	#ifdef __cplusplus
	17	extern "C" {
	18	#endif
	19
	20	int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
	21	int lttng_kconsumer_sample_snapshot_positions(
	22	struct lttng_consumer_stream *stream);
	23	int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,
	24	unsigned long *pos);
	25	int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream,
	26	unsigned long *pos);
	27	int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
	28	int sock, struct pollfd *consumer_sockpoll);
	29	int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
	30	int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream);
	31	enum sync_metadata_status lttng_kconsumer_sync_metadata(
	32	struct lttng_consumer_stream *metadata);
	33
	34	#ifdef __cplusplus
	35	}
	36	#endif
	37
	38	#endif /* _LTTNG_KCONSUMER_H */