cmpxchg.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)   __cmpxchg64_local_generic((ptr), (o), (n))

Functions
void	__xchg_called_with_bad_pointer (void)
unsigned long	__xchg8 (char, char *)
unsigned long	__xchg32 (int, int *)
void	__cmpxchg_called_with_bad_pointer (void)
unsigned long	__cmpxchg_u32 (volatile unsigned int *m, unsigned int old, unsigned int new_)
unsigned long	__cmpxchg_u64 (volatile unsigned long *ptr, unsigned long old, unsigned long new_)

Macro Definition Documentation

#define __HAVE_ARCH_CMPXCHG   1

Definition at line 49 of file cmpxchg.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 75 of file cmpxchg.h.

#define cmpxchg64_local	(		ptr,
			o,
			n
	)		__cmpxchg64_local_generic((ptr), (o), (n))

Definition at line 113 of file cmpxchg.h.

#define cmpxchg_local	(		ptr,
			o,
			n
	)

Value:

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

Definition at line 103 of file cmpxchg.h.

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

Definition at line 46 of file cmpxchg.h.

Function Documentation

void __cmpxchg_called_with_bad_pointer

(

void

)

unsigned long __cmpxchg_u32	(	volatile unsigned int *	m,
		unsigned int	old,
		unsigned int	new_
	)

Definition at line 72 of file bitops.c.

unsigned long __cmpxchg_u64	(	volatile unsigned long *	ptr,
		unsigned long	old,
		unsigned long	new_
	)

unsigned long __xchg32	(	int	,
		int *
	)

Definition at line 32 of file bitops.c.

unsigned long __xchg8	(	char	,
		char *
	)

Definition at line 45 of file bitops.c.

void __xchg_called_with_bad_pointer

(

void

)