| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: libcpp-has-no-threads |
| |
| // <mutex> |
| |
| // This test does not define _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS so it |
| // should compile without any warnings or errors even though this pattern is not |
| // understood by the thread safety annotations. |
| |
| #include <mutex> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) { |
| std::mutex m; |
| m.lock(); |
| { |
| std::unique_lock<std::mutex> g(m, std::adopt_lock); |
| } |
| |
| return 0; |
| } |