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90 lines
1.9 KiB
90 lines
1.9 KiB
/* ============================================================
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*
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* This file is a part of kipi-plugins project
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* http://www.kipi-plugins.org
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*
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* Date : 2004-11-09
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* Description : Multithread queue description class
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*
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* Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
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* Copyright (C) 2004-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
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* Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* ============================================================ */
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#ifndef MTQUEUE_H
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#define MTQUEUE_H
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// TQt includes.
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#include <tqptrqueue.h>
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#include <tqmutex.h>
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namespace KIPIJPEGLossLessPlugin
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{
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template<class Type> class MTQueue
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{
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public:
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MTQueue()
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{
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m_queue.setAutoDelete(true);
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}
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~MTQueue()
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{
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flush();
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}
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bool isEmpty()
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{
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m_mutex.lock();
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bool empty = m_queue.isEmpty();
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m_mutex.unlock();
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return empty;
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}
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void flush()
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{
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m_mutex.lock();
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m_queue.clear();
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m_mutex.unlock();
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}
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void enqueue(Type * t)
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{
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m_mutex.lock();
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m_queue.enqueue(t);
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m_mutex.unlock();
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}
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Type * dequeue()
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{
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m_mutex.lock();
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Type * i = m_queue.dequeue();
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m_mutex.unlock();
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return i;
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}
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private:
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TQPtrQueue<Type> m_queue;
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TQMutex m_mutex;
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};
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} // NameSpace KIPIJPEGLossLessPlugin
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#endif // MTQUEUE_H
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