cmpxchg_64.h File Reference

#include <asm-generic/cmpxchg-local.h>

Go to the source code of this file.

Macros
#define	xchg(ptr, x)   ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
#define	__HAVE_ARCH_CMPXCHG   1
#define	cmpxchg(ptr, o, n)
#define	cmpxchg_local(ptr, o, n)
#define	cmpxchg64_local(ptr, o, n)

Functions
void	__xchg_called_with_bad_pointer (void)
void	__cmpxchg_called_with_bad_pointer (void)

Macro Definition Documentation

#define __HAVE_ARCH_CMPXCHG   1

Definition at line 68 of file cmpxchg_64.h.

#define cmpxchg	(		ptr,
			o,
			n
	)

Value:

({                                   \
     __typeof__(*(ptr)) _o_ = (o);                   \
     __typeof__(*(ptr)) _n_ = (n);                   \
     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,       \
                    (unsigned long)_n_, sizeof(*(ptr))); \
  })

Definition at line 109 of file cmpxchg_64.h.

#define cmpxchg64_local	(		ptr,
			o,
			n
	)

Value:

({                                  \
    BUILD_BUG_ON(sizeof(*(ptr)) != 8);              \
    cmpxchg_local((ptr), (o), (n));                 \
  })

Definition at line 139 of file cmpxchg_64.h.

#define cmpxchg_local	(		ptr,
			o,
			n
	)

Value:

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

Definition at line 136 of file cmpxchg_64.h.

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

Definition at line 43 of file cmpxchg_64.h.

Function Documentation

void __cmpxchg_called_with_bad_pointer

(

void

)

void __xchg_called_with_bad_pointer

(

void

)