cmpxchg.h File Reference

#include <linux/bug.h>
#include <asm/barrier.h>

Go to the source code of this file.

Macros
#define	xchg(ptr, x)   ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
#define	cmpxchg(ptr, o, n)
#define	cmpxchg_local(ptr, o, n)

Macro Definition Documentation

#define cmpxchg	(		ptr,
			o,
			n
	)

Value:

((__typeof__(*(ptr)))__cmpxchg_mb((ptr),            \
                      (unsigned long)(o),       \
                      (unsigned long)(n),       \
                      sizeof(*(ptr))))

Definition at line 161 of file cmpxchg.h.

#define cmpxchg_local	(		ptr,
			o,
			n
	)

Value:

((__typeof__(*(ptr)))__cmpxchg((ptr),               \
                       (unsigned long)(o),      \
                       (unsigned long)(n),      \
                       sizeof(*(ptr))))

Definition at line 167 of file cmpxchg.h.

#define xchg	(		ptr,
			x
	)		((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))

Definition at line 73 of file cmpxchg.h.