diff options
Diffstat (limited to 'include/asm-i386/atomic.h')
| -rw-r--r-- | include/asm-i386/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h index 509720be772..5ff698e9d2c 100644 --- a/include/asm-i386/atomic.h +++ b/include/asm-i386/atomic.h @@ -215,6 +215,8 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v) return atomic_add_return(-i,v); } +#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new)) + #define atomic_inc_return(v) (atomic_add_return(1,v)) #define atomic_dec_return(v) (atomic_sub_return(1,v)) |