diff options
| -rw-r--r-- | src/fundamental/macro-fundamental.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/fundamental/macro-fundamental.h b/src/fundamental/macro-fundamental.h index a738b1f50e..7cc34b6f1a 100644 --- a/src/fundamental/macro-fundamental.h +++ b/src/fundamental/macro-fundamental.h @@ -106,10 +106,10 @@ * on this macro will run concurrently to all other code conditionalized * the same way, there's no ordering or completion enforced. */ #define ONCE __ONCE(UNIQ_T(_once_, UNIQ)) -#define __ONCE(o) \ - ({ \ - static bool (o) = false; \ - __sync_bool_compare_and_swap(&(o), false, true); \ +#define __ONCE(o) \ + ({ \ + static bool (o) = false; \ + __atomic_exchange_n(&(o), true, __ATOMIC_SEQ_CST); \ }) #undef MAX |