llvm/llvm/include/llvm/Support/Mutex.h

//===- llvm/Support/Mutex.h - Mutex Operating System Concept -----*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file declares the llvm::sys::Mutex class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_MUTEX_H
#define LLVM_SUPPORT_MUTEX_H

#include "llvm/Support/Threading.h"
#include <cassert>
#include <mutex>

namespace llvm
{
  namespace sys
  {
    /// SmartMutex - A mutex with a compile time constant parameter that
    /// indicates whether this mutex should become a no-op when we're not
    /// running in multithreaded mode.
    template<bool mt_only>
    class SmartMutex { … };

    /// Mutex - A standard, always enforced mutex.
    Mutex;

    SmartScopedLock;

    ScopedLock;
  }
}

#endif