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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 POLICYLOCK_H
#define POLICYLOCK_H
#include <mutex>
#define GUARD_RETURN(mutex, retval) if (!mutex.try_lock()) \
return retval; \
std::lock_guard<decltype(mutex)> guard(mutex, std::adopt_lock)
#endif
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