TimedMutex.h

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// Honeycomb, Copyright (C) 2015 NewGamePlus Inc.  Distributed under the Boost Software License v1.0.
#pragma once

#include "Honey/Thread/Atomic.h"
#include "Honey/Thread/Condition/Lock.h"

namespace honey
{

class TimedMutex : public Mutex
{
public:
    typedef UniqueLock<TimedMutex> Scoped;

    TimedMutex()                                    : _tryWaitCount(0) {}
    TimedMutex(const TimedMutex&)                   : TimedMutex() {}

    TimedMutex& operator=(const TimedMutex&)        { return *this; }

    void lock()                                     { Mutex::lock(); }
    void unlock();
    bool tryLock()                                  { return Mutex::tryLock(); }
    bool tryLock(MonoClock::Duration time)          { return tryLock(time == time.max() ? MonoClock::TimePoint::max() : MonoClock::now() + time); }
    bool tryLock(MonoClock::TimePoint time);

private:
    Atomic<int> _tryWaitCount;
    ConditionLock _tryCond;
};

}