[lttng-ust.git] / liblttng-ust / compat.h

#ifndef _UST_COMPAT_H
#define _UST_COMPAT_H

/*
 * Copyright (C) 2011   Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
 *
 * Permission is hereby granted to use or copy this program
 * for any purpose,  provided the above notices are retained on all copies.
 * Permission to modify the code and to distribute modified code is granted,
 * provided the above notices are retained, and a notice that the code was
 * modified is included with the above copyright notice.
 */

#include <sys/syscall.h>

#ifdef __UCLIBC__
#define __getcpu(cpu, node, cache)	syscall(__NR_getcpu, cpu, node, cache)
static inline
int sched_getcpu(void)
{
	int c, s;

	s = __getcpu(&c, NULL, NULL);
	return (s == -1) ? s : c;
}
#endif	/* __UCLIBC__ */
#endif /* _UST_COMPAT_H */
Commit	Line	Data
b728d87e MD	1	#ifndef _UST_COMPAT_H
	2	#define _UST_COMPAT_H
	3
	4	/*
	5	* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	6	*
	7	* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
	8	* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
	9	*
	10	* Permission is hereby granted to use or copy this program
	11	* for any purpose, provided the above notices are retained on all copies.
	12	* Permission to modify the code and to distribute modified code is granted,
	13	* provided the above notices are retained, and a notice that the code was
	14	* modified is included with the above copyright notice.
	15	*/
	16
	17	#include <sys/syscall.h>
	18
	19	#ifdef __UCLIBC__
	20	#define __getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache)
	21	static inline
	22	int sched_getcpu(void)
	23	{
	24	int c, s;
	25
	26	s = __getcpu(&c, NULL, NULL);
	27	return (s == -1) ? s : c;
	28	}
	29	#endif /* __UCLIBC__ */
	30	#endif /* _UST_COMPAT_H */