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96 lines
2.5 KiB
96 lines
2.5 KiB
14 years ago
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/****************************************************************************
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**
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** Includes system files for shared memory
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**
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** Created : 020124
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**
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QSHAREDMEMORY_P_H
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#define QSHAREDMEMORY_P_H
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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 for the convenience
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// of qapplication_qws.cpp and qgfxvnc_qws.cpp. This header file may
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// change from version to 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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#ifndef QT_H
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#include "qstring.h"
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#endif // QT_H
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#if !defined (QT_QWS_NO_SHM)
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#include <sys/types.h>
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#include <sys/ipc.h>
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class QSharedMemory {
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public:
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QSharedMemory(){};
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QSharedMemory(int, QString, char c = 'Q');
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~QSharedMemory(){};
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bool create();
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void destroy();
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bool attach();
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void detach();
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void setPermissions(mode_t mode);
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int size();
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void * base() { return shmBase; };
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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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#if defined(QT_POSIX_QSHM)
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int shmFD;
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#else
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int shmId;
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key_t key;
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int idInitted;
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#endif
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};
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#endif
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#endif
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