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

#ifndef _LTTNG_WRAPPER_POLL_H
#define _LTTNG_WRAPPER_POLL_H

/*
 * wrapper/poll.h
 *
 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; only
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#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
24cedcfe MD	1	#ifndef _LTTNG_WRAPPER_POLL_H
	2	#define _LTTNG_WRAPPER_POLL_H
	3
17baffe2	4	/*
886d51a3	5	* wrapper/poll.h
17baffe2	6	*
886d51a3 MD	7	* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	8	*
	9	* This library is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU Lesser General Public
	11	* License as published by the Free Software Foundation; only
	12	* version 2.1 of the License.
	13	*
	14	* This library is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* Lesser General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU Lesser General Public
	20	* License along with this library; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17baffe2 MD	22	*/
17baffe2 MD	23
f3bc08c5 MD	24	#include <linux/poll.h>
f3bc08c5 MD	25
22f8d33a MD	26	/*
	27	* Note: poll_wait_set_exclusive() is defined as no-op. Thundering herd
	28	* effect can be noticed with large number of consumer threads.
	29	*/
a33e44a6 MD	30
a33e44a6 MD	31	#define poll_wait_set_exclusive(poll_table)
f3bc08c5	32
24cedcfe	33	#endif /* _LTTNG_WRAPPER_POLL_H */