| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // REQUIRES: thread-safety |
| |
| // <mutex> |
| |
| #define _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS |
| |
| #include <mutex> |
| |
| std::mutex m; |
| |
| int main() { |
| m.lock(); |
| } // expected-error {{mutex 'm' is still held at the end of function}} |
