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/*
* Copyright (c) 2002 Frodo
* Portions Copyright (c) by the authors of ffmpeg and xvid
* Copyright (C) 2002-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "threads/CriticalSection.h"
#include <mutex>
/**
* This implements a "guard" pattern for exiting all locks
* currently being held by the current thread and restoring
* those locks on destruction.
*
* This class can be used on a CCriticalSection that isn't owned
* by this thread in which case it will do nothing.
*/
class CSingleExit
{
CCriticalSection& sec;
unsigned int count;
public:
inline explicit CSingleExit(CCriticalSection& cs) : sec(cs), count(cs.exit()) { }
inline ~CSingleExit() { sec.restore(count); }
};
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