[urcu.git] / src / compat-getcpu.h

#ifndef _COMPAT_GETCPU_H
#define _COMPAT_GETCPU_H

/*
 * compat-getcpu.h
 *
 * Copyright (c) 2015 Michael Jeanson <mjeanson@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
 */

#if defined(HAVE_SCHED_GETCPU)
#include <sched.h>

static inline
int urcu_sched_getcpu(void)
{
	return sched_getcpu();
}
#elif defined(HAVE_GETCPUID)
#include <sys/processor.h>

static inline
int urcu_sched_getcpu(void)
{
	return (int) getcpuid();
}
#else

static inline
int urcu_sched_getcpu(void)
{
        return -1;
}
#endif

#endif /* _COMPAT_GETCPU_H */
Commit	Line	Data
	1	#ifndef _COMPAT_GETCPU_H
	2	#define _COMPAT_GETCPU_H
	3
	4	/*
	5	* compat-getcpu.h
	6	*
	7	* Copyright (c) 2015 Michael Jeanson <mjeanson@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; either
	12	* version 2.1 of the License, or (at your option) any later version.
	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
	22	*/
	23
	24	#if defined(HAVE_SCHED_GETCPU)
	25	#include <sched.h>
	26
	27	static inline
	28	int urcu_sched_getcpu(void)
	29	{
	30	return sched_getcpu();
	31	}
	32	#elif defined(HAVE_GETCPUID)
	33	#include <sys/processor.h>
	34
	35	static inline
	36	int urcu_sched_getcpu(void)
	37	{
	38	return (int) getcpuid();
	39	}
	40	#else
	41
	42	static inline
	43	int urcu_sched_getcpu(void)
	44	{
	45	return -1;
	46	}
	47	#endif
	48
	49	#endif /* _COMPAT_GETCPU_H */