diff options
Diffstat (limited to 'libstdc++-v3/include/std')
| -rw-r--r-- | libstdc++-v3/include/std/mutex | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/mutex b/libstdc++-v3/include/std/mutex index de16cd3..2ba9576 100644 --- a/libstdc++-v3/include/std/mutex +++ b/libstdc++-v3/include/std/mutex @@ -632,6 +632,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION bool _M_owns; // XXX use atomic_bool }; + /// Partial specialization for unique_lock objects. template<typename _Mutex> inline void swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) noexcept @@ -759,9 +760,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION __native_type _M_once; public: + /// Constructor constexpr once_flag() noexcept : _M_once(__GTHREAD_ONCE_INIT) { } + /// Deleted copy constructor once_flag(const once_flag&) = delete; + /// Deleted assignment operator once_flag& operator=(const once_flag&) = delete; template<typename _Callable, typename... _Args> |