| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // 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> |
| |
| int main() { |
| std::mutex m; |
| m.lock(); |
| { |
| std::unique_lock<std::mutex> g(m, std::adopt_lock); |
| } |
| } |