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Macros | Functions
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  )