diff options
Diffstat (limited to 'config/cpu/generic/atomicity.h')
| -rw-r--r-- | config/cpu/generic/atomicity.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/config/cpu/generic/atomicity.h b/config/cpu/generic/atomicity.h index 655cc14..0b25100 100644 --- a/config/cpu/generic/atomicity.h +++ b/config/cpu/generic/atomicity.h @@ -20,24 +20,20 @@ #ifndef _ATOMICITY_H #define _ATOMICITY_H 1 -#warning "stub atomicity functions are not atomic on this platform" - typedef int _Atomic_word; static inline _Atomic_word __attribute__ ((__unused__)) __exchange_and_add(volatile _Atomic_word* mem, int val) { - int result = *mem; - *mem += val; - return result; + return __sync_fetch_and_add(mem, val); } static inline void __attribute__ ((__unused__)) __atomic_add(volatile _Atomic_word* mem, int val) { - *mem += val; + __sync_add_and_fetch(mem, val); } #endif /* atomicity.h */ |