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/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#ifndef ACORE_THREADINGMODEL_H
#define ACORE_THREADINGMODEL_H
/**
* @class ThreadingModel<T>
*
*/
#include "Define.h"
namespace acore
{
template<typename MUTEX>
class GeneralLock
{
public:
GeneralLock(MUTEX& m)
: i_mutex(m)
{
i_mutex.lock();
}
~GeneralLock()
{
i_mutex.unlock();
}
private:
GeneralLock(const GeneralLock&);
GeneralLock& operator=(const GeneralLock&);
MUTEX& i_mutex;
};
template<class T>
class SingleThreaded
{
public:
struct Lock // empty object
{
Lock()
{
}
Lock(const T&)
{
}
Lock(const SingleThreaded<T>&) // for single threaded we ignore this
{
}
};
};
template<class T, class MUTEX>
class ObjectLevelLockable
{
public:
ObjectLevelLockable()
: i_mtx()
{
}
friend class Lock;
class Lock
{
public:
Lock(ObjectLevelLockable<T, MUTEX>& host)
: i_lock(host.i_mtx)
{
}
private:
GeneralLock<MUTEX> i_lock;
};
private:
// prevent the compiler creating a copy construct
ObjectLevelLockable(const ObjectLevelLockable<T, MUTEX>&);
ObjectLevelLockable<T, MUTEX>& operator=(const ObjectLevelLockable<T, MUTEX>&);
MUTEX i_mtx;
};
template<class T, class MUTEX>
class ClassLevelLockable
{
public:
ClassLevelLockable()
{
}
friend class Lock;
class Lock
{
public:
Lock(const T& /*host*/)
{
ClassLevelLockable<T, MUTEX>::si_mtx.lock();
}
Lock(const ClassLevelLockable<T, MUTEX>&)
{
ClassLevelLockable<T, MUTEX>::si_mtx.lock();
}
Lock()
{
ClassLevelLockable<T, MUTEX>::si_mtx.lock();
}
~Lock()
{
ClassLevelLockable<T, MUTEX>::si_mtx.unlock();
}
};
private:
static MUTEX si_mtx;
};
}
template<class T, class MUTEX> MUTEX acore::ClassLevelLockable<T, MUTEX>::si_mtx;
#define INSTANTIATE_CLASS_MUTEX(CTYPE, MUTEX) \
template class acore::ClassLevelLockable<CTYPE, MUTEX>
#endif
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