| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: libcpp-has-no-threads |
| |
| // <mutex> |
| |
| // template <class Mutex> |
| // class lock_guard |
| // { |
| // public: |
| // typedef Mutex mutex_type; |
| // ... |
| // }; |
| |
| #include <mutex> |
| #include <type_traits> |
| |
| int main() |
| { |
| static_assert((std::is_same<std::lock_guard<std::mutex>::mutex_type, |
| std::mutex>::value), ""); |
| } |