diff options
Diffstat (limited to 'ruby_atomic.h')
| -rw-r--r-- | ruby_atomic.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ruby_atomic.h b/ruby_atomic.h index 69efbdc4c4..789efdc4ea 100644 --- a/ruby_atomic.h +++ b/ruby_atomic.h @@ -161,5 +161,10 @@ atomic_size_exchange(size_t *ptr, size_t val) # define ATOMIC_PTR_EXCHANGE(var, val) (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val)) # endif #endif +#ifndef ATOMIC_PTR_CAS +# if SIZEOF_VOIDP == SIZEOF_SIZE_T +# define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val)) +# endif +#endif #endif /* RUBY_ATOMIC_H */ |