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/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ACORE_THREADINGMODEL_H
#define ACORE_THREADINGMODEL_H
/**
* @class ThreadingModel<T>
*
*/
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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