Searched refs:_Unset (Results 1 – 2 of 2) sorted by relevance
34 if (flag == once_flag::_Unset) { in __call_once()35 auto guard = std::__make_exception_guard([&flag] { flag = once_flag::_Unset; }); in __call_once()47 if (flag == once_flag::_Unset) { in __call_once()50 __libcpp_relaxed_store(&flag, once_flag::_Unset); in __call_once()
51 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR once_flag() _NOEXCEPT : __state_(_Unset) {} in once_flag()61 static const _State_type _Unset = 0; member