/****************************************************************************+
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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 QtGui module of the Qt Toolkit.+
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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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+
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#ifndef QWSSHAREDMEMORY_P_H+
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#define QWSSHAREDMEMORY_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists purely as an+
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// implementation detail.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include "qplatformdefs.h"+
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#include "QtCore/qstring.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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#if !defined(QT_NO_QWS_MULTIPROCESS)+
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+
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class QWSSharedMemory {+
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public:+
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+
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    QWSSharedMemory();+
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    ~QWSSharedMemory();+
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+
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    void setPermissions(mode_t mode);+
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    int size() const;+
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    void *address() { return shmBase; }+
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+
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    int id() const { return shmId; }+
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+
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    void detach();+
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+
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    bool create(int size);+
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    bool attach(int id);+
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+
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    //bool create(int size, const QString &filename, char c = 'Q');+
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    //bool attach(const QString &filename, char c = 'Q');+
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// old API+
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+
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    QWSSharedMemory(int, const QString &, char c = 'Q');+
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    void * base() { return address(); }+
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+
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    bool create();+
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    void destroy();+
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+
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    bool attach();+
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+
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private:+
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    void *shmBase;+
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    int shmSize;+
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    QString shmFile;+
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    char character;+
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    int shmId;+
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    key_t key;+
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};+
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+
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#endif // QT_NO_QWS_MULTIPROCESS+
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+
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QT_END_NAMESPACE+
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+
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#endif // QWSSHAREDMEMORY_P_H+
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