diff options
Diffstat (limited to 'ruby_atomic.h')
| -rw-r--r-- | ruby_atomic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ruby_atomic.h b/ruby_atomic.h index c8c84ed449..4bc9f37e0d 100644 --- a/ruby_atomic.h +++ b/ruby_atomic.h @@ -10,7 +10,7 @@ typedef unsigned int rb_atomic_t; # define ATOMIC_OR(var, val) __atomic_fetch_or(&(var), (val), __ATOMIC_SEQ_CST) # define ATOMIC_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST) # define ATOMIC_CAS(var, oldval, newval) \ -({ __typeof__(oldval) oldvaldup = (oldval); /* oldval should not be modified */ \ +({ __typeof__(var) oldvaldup = (oldval); /* oldval should not be modified */ \ __atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \ oldvaldup; }) |