[deliverable/lttng-modules.git] / wrapper / poll.h

/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
 *
 * wrapper/poll.h
 *
 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _LTTNG_WRAPPER_POLL_H
#define _LTTNG_WRAPPER_POLL_H

#include <linux/poll.h>

/*
 * Note: poll_wait_set_exclusive() is defined as no-op. Thundering herd
 * effect can be noticed with large number of consumer threads.
 */

#define poll_wait_set_exclusive(poll_table)

#endif /* _LTTNG_WRAPPER_POLL_H */
Commit	Line	Data
9f36eaed MJ	1	/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
9f36eaed MJ	2	*
886d51a3	3	* wrapper/poll.h
17baffe2	4	*
886d51a3	5	* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
17baffe2 MD	6	*/
17baffe2 MD	7
9f36eaed MJ	8	#ifndef _LTTNG_WRAPPER_POLL_H
	9	#define _LTTNG_WRAPPER_POLL_H
	10
f3bc08c5 MD	11	#include <linux/poll.h>
f3bc08c5 MD	12
22f8d33a MD	13	/*
	14	* Note: poll_wait_set_exclusive() is defined as no-op. Thundering herd
	15	* effect can be noticed with large number of consumer threads.
	16	*/
a33e44a6 MD	17
a33e44a6 MD	18	#define poll_wait_set_exclusive(poll_table)
f3bc08c5	19
24cedcfe	20	#endif /* _LTTNG_WRAPPER_POLL_H */