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/*
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This file is part of CanFestival, a library implementing CanOpen Stack.
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CanFestival Copyright (C): Edouard TISSERANT and Francis DUPIN
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CanFestival Win32 port Copyright (C) 2007 Leonid Tochinski, ChattenAssociates, Inc.
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See COPYING file for copyrights details.
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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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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// thread safe que
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#ifndef __async_access_que_h__
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#define __async_access_que_h__
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#include <deque>
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#include "AutoReleaseCS.h"
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template<typename type>
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class async_access_que
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{
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public:
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async_access_que()
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{
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::InitializeCriticalSection(&m_cs);
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}
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~async_access_que()
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{
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::DeleteCriticalSection(&m_cs);
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}
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void append(const type& data)
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{
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AutoReleaseCS acs(m_cs);
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m_data.push_back(data);
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}
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bool extract_top(type& data)
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{
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AutoReleaseCS acs(m_cs);
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if (m_data.empty())
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return false;
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data = m_data.front();
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m_data.pop_front();
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return true;
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}
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void clear()
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{
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AutoReleaseCS acs(m_cs);
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m_data.clear();
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}
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protected:
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std::deque<type> m_data;
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CRITICAL_SECTION m_cs;
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};
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#endif //__async_access_que_h__ |