Concurrency.h

// -----------------------------------------------------------------------------
// This file is part of VirtualC64
//
// Copyright (C) Dirk W. Hoffmann. www.dirkwhoffmann.de
// This FILE is dual-licensed. You are free to choose between:
//
//     - The GNU General Public License v3 (or any later version)
//     - The Mozilla Public License v2
//
// SPDX-License-Identifier: GPL-3.0-or-later OR MPL-2.0
// -----------------------------------------------------------------------------
 
#pragma once
 
#include "Chrono.h"
#include <thread>
#include <future>
 
namespace vc64::util {
 
class Mutex
{
    std::mutex mutex;
 
public:
        
    void lock() { mutex.lock(); }
    void unlock() { mutex.unlock(); }
};
 
class ReentrantMutex
{
    std::recursive_mutex mutex;
 
public:
        
    void lock() { mutex.lock(); }
    void unlock() { mutex.unlock(); }
};
 
class AutoMutex
{
    ReentrantMutex &mutex;
 
public:
 
    bool active = true;
 
    AutoMutex(ReentrantMutex &ref) : mutex(ref) { mutex.lock(); }
    ~AutoMutex() { mutex.unlock(); }
};
 
}