99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// MuldeR's Utilities for Qt
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// Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// http://www.gnu.org/licenses/lgpl-2.1.txt
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//////////////////////////////////////////////////////////////////////////////////
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#pragma once
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//Win32 API
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#define WIN32_LEAN_AND_MEAN 1
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#include <Windows.h>
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///////////////////////////////////////////////////////////////////////////////
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// CRITICAL SECTION
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///////////////////////////////////////////////////////////////////////////////
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/*
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* wrapper for native Win32 critical sections
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*/
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class CriticalSection
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{
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public:
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inline CriticalSection(void)
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{
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InitializeCriticalSection(&m_win32criticalSection);
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}
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inline ~CriticalSection(void)
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{
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DeleteCriticalSection(&m_win32criticalSection);
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}
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inline void enter(void)
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{
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EnterCriticalSection(&m_win32criticalSection);
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}
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inline bool tryEnter(void)
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{
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return TryEnterCriticalSection(&m_win32criticalSection);
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}
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inline void leave(void)
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{
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LeaveCriticalSection(&m_win32criticalSection);
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}
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protected:
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CRITICAL_SECTION m_win32criticalSection;
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};
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/*
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* RAII-style critical section locker
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*/
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class CSLocker
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{
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public:
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inline CSLocker(CriticalSection &criticalSection)
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:
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m_locked(false),
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m_criticalSection(criticalSection)
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{
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m_criticalSection.enter();
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m_locked = true;
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}
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inline ~CSLocker(void)
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{
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forceUnlock();
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}
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inline void forceUnlock(void)
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{
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if(m_locked)
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{
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m_criticalSection.leave();
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m_locked = false;
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}
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}
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protected:
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volatile bool m_locked;
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CriticalSection &m_criticalSection;
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};
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