blob: 538fbcc142de8b8b940ecf218c154491195a8e9a [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// On Windows Clang bugs out when both __declspec and __attribute__ are present,
// the processing goes awry preventing the definition of the types.
// XFAIL: LIBCXX-WINDOWS-FIXME
// UNSUPPORTED: libcpp-has-no-threads
// REQUIRES: thread-safety
// <mutex>
// MODULES_DEFINES: _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS
#define _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS
#include <mutex>
#include "test_macros.h"
std::mutex m;
int foo __attribute__((guarded_by(m)));
void increment() __attribute__((requires_capability(m))) {
foo++;
}
int main(int, char**) {
m.lock();
increment();
m.unlock();
return 0;
}