qtmobility/src/publishsubscribe/qmallocpool_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 14:26:25 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QMALLOCPOOL_H
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#define QMALLOCPOOL_H
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#include "qmobilityglobal.h"
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#include <cstdlib>
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#include <QString>
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QTM_BEGIN_NAMESPACE
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class QMallocPoolPrivate;
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class Q_AUTOTEST_EXPORT QMallocPool
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{
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public:
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    enum PoolType { Owned, NewShared, Shared };
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    QMallocPool();
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    QMallocPool(void * poolBase, unsigned int poolLength,
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                PoolType type = Owned, const QString& name = QString());
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    ~QMallocPool();
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    size_t size_of(void *);
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    void *calloc(size_t nmemb, size_t size);
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    void *malloc(size_t size);
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    void free(void *ptr);
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    void *realloc(void *ptr, size_t size);
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    bool isValid() const;
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    struct MemoryStats {
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        unsigned long poolSize;
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        unsigned long maxSystemBytes;
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        unsigned long systemBytes;
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        unsigned long inuseBytes;
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        unsigned long keepCost;
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    };
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    MemoryStats memoryStatistics() const;
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private:
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    Q_DISABLE_COPY(QMallocPool)
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    QMallocPoolPrivate * d;
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};
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QTM_END_NAMESPACE
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#endif