diff options
Diffstat (limited to 'ruby_atomic.h')
| -rw-r--r-- | ruby_atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ruby_atomic.h b/ruby_atomic.h index e2b1c87a2f..ad7d77ad55 100644 --- a/ruby_atomic.h +++ b/ruby_atomic.h @@ -18,6 +18,7 @@ typedef unsigned int rb_atomic_t; # define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST) # define ATOMIC_PTR_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST) +# define ATOMIC_PTR_CAS(var, oldval, newval) ATOMIC_CAS(var, oldval, newval) #elif defined HAVE_GCC_SYNC_BUILTINS /* @shyouhei hack to support atomic operations in case of gcc. Gcc @@ -36,6 +37,7 @@ typedef unsigned int rb_atomic_t; /* Anything OK */ # define ATOMIC_SIZE_SUB(var, val) __sync_fetch_and_sub(&(var), (val)) # define ATOMIC_PTR_EXCHANGE(var, val) __sync_lock_test_and_set(&(var), (val)) +# define ATOMIC_PTR_CAS(var, oldval, newval) ATOMIC_CAS(var, oldval, newval) #elif defined _WIN32 #if defined _MSC_VER && _MSC_VER > 1200 |