diff options
Diffstat (limited to 'ruby_atomic.h')
| -rw-r--r-- | ruby_atomic.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ruby_atomic.h b/ruby_atomic.h index 53273a4026..9bf5e035bb 100644 --- a/ruby_atomic.h +++ b/ruby_atomic.h @@ -54,10 +54,10 @@ rb_w32_atomic_or(volatile rb_atomic_t *var, rb_atomic_t val) static inline rb_atomic_t rb_w32_atomic_cas(volatile rb_atomic_t *var, rb_atomic_t oldval, rb_atomic_t newval) { - return (rb_atomic_t)ATOMIC_CAS(*(PVOID *)var, (PVOID)oldval, (PVOID)(newval)); + return (rb_atomic_t)InterlockedCompareExchange((PVOID *)var, (PVOID)newval, (PVOID)oldval); } # undef ATOMIC_CAS -# define ATOMIC_CAS(var, oldval, newval) (&(var), (newval), (oldval)) +# define ATOMIC_CAS(var, oldval, newval) rb_w32_atomic_cas(&(var), (oldval), (newval)) # endif # ifdef _M_AMD64 # define ATOMIC_SIZE_ADD(var, val) InterlockedExchangeAdd64(&(var), (val)) |