[urcu.git] / urcu / arch / gcc.h

#ifndef _URCU_ARCH_GCC_H
#define _URCU_ARCH_GCC_H

/*
 * arch_gcc.h: trivial definitions for architectures using gcc __sync_
 *
 * Copyright (c) 2010 Paul E. McKenney, IBM Corporation.
 * Copyright (c) 2009 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; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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 <urcu/compiler.h>
#include <urcu/config.h>

#ifdef __cplusplus
extern "C" {
#endif 

#include <stdlib.h>
#include <sys/time.h>

typedef unsigned long long cycles_t;

static inline cycles_t caa_get_cycles (void)
{
	cycles_t thetime;
	struct timeval tv;

	if (gettimeofday(&tv, NULL) != 0)
		return 0;
	thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec);
	return (cycles_t)thetime;
}

#ifdef __cplusplus 
}
#endif

#include <urcu/arch/generic.h>

#endif /* _URCU_ARCH_GCC_H */
Commit	Line	Data
	1	#ifndef _URCU_ARCH_GCC_H
	2	#define _URCU_ARCH_GCC_H
	3
	4	/*
	5	* arch_gcc.h: trivial definitions for architectures using gcc __sync_
	6	*
	7	* Copyright (c) 2010 Paul E. McKenney, IBM Corporation.
	8	* Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	9	*
	10	* This library is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU Lesser General Public
	12	* License as published by the Free Software Foundation; either
	13	* version 2.1 of the License, or (at your option) any later version.
	14	*
	15	* This library is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* Lesser General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU Lesser General Public
	21	* License along with this library; if not, write to the Free Software
	22	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	23	*/
	24
	25	#include <urcu/compiler.h>
	26	#include <urcu/config.h>
	27
	28	#ifdef __cplusplus
	29	extern "C" {
	30	#endif
	31
	32	#include <stdlib.h>
	33	#include <sys/time.h>
	34
	35	typedef unsigned long long cycles_t;
	36
	37	static inline cycles_t caa_get_cycles (void)
	38	{
	39	cycles_t thetime;
	40	struct timeval tv;
	41
	42	if (gettimeofday(&tv, NULL) != 0)
	43	return 0;
	44	thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec);
	45	return (cycles_t)thetime;
	46	}
	47
	48	#ifdef __cplusplus
	49	}
	50	#endif
	51
	52	#include <urcu/arch/generic.h>
	53
	54	#endif /* _URCU_ARCH_GCC_H */