diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-04-26 19:24:31 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-04-26 19:24:31 +0000 |
| commit | 2fa809d9eabddd820af54059faa8362dd50b51de (patch) | |
| tree | d24999651df3a7a5d330d20573335db9a8afcc89 /include/mutex | |
| parent | 1c3313bd0215c89fb38710a1ea0762ccf32e859c (diff) | |
vendor/libc++/libc++-trunk-r302069vendor/libc++/libc++-trunk-r301939vendor/libc++/libc++-trunk-r301441
Notes
Diffstat (limited to 'include/mutex')
| -rw-r--r-- | include/mutex | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/mutex b/include/mutex index e92baa51ae75..0b25614e8ead 100644 --- a/include/mutex +++ b/include/mutex @@ -685,7 +685,7 @@ inline _LIBCPP_INLINE_VISIBILITY void call_once(once_flag& __flag, const _Callable& __func) { - if (__flag.__state_ != ~0ul) + if (__libcpp_acquire_load(&__flag.__state_) != ~0ul) { __call_once_param<const _Callable> __p(__func); __call_once(__flag.__state_, &__p, &__call_once_proxy<const _Callable>); |