diff options
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/atomic.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/runtime/atomic.h b/runtime/atomic.h index da0852fa..da544c4b 100644 --- a/runtime/atomic.h +++ b/runtime/atomic.h @@ -91,6 +91,21 @@ } static inline int + ATOMIC_CAS(int *data, int oldVal, int newVal, pthread_mutex_t *phlpmut) { + int bSuccess; + pthread_mutex_lock(phlpmut); + if(*data == oldVal) { + *data = newVal; + bSuccess = 1; + } else { + bSuccess = 0; + } + pthread_mutex_unlock(phlpmut); + return(bSuccess); + } + + + static inline int ATOMIC_CAS_VAL(int *data, int oldVal, int newVal, pthread_mutex_t *phlpmut) { int val; pthread_mutex_lock(phlpmut); |