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/****************************************************************************
** $Id$
**
** Includes system files for shared memory
**
** Created : 020124
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses for Qt/Embedded may use this file in accordance with the
** Qt Embedded Commercial License Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of qapplication_qws.cpp and qgfxvnc_qws.cpp. This header file may
// change from version to version without notice, or even be removed.
//
//
#if !defined(QT_QSHM_H)
#define QT_QSHM_H
#include <qstring.h>
#if !defined (QT_QWS_NO_SHM)
#include <sys/types.h>
#include <sys/ipc.h>
class QSharedMemory {
public:
QSharedMemory(){};
QSharedMemory(int, QString, char c = 'Q');
~QSharedMemory(){};
bool create();
void destroy();
bool attach();
void detach();
void setPermissions(mode_t mode);
int size();
void * base() { return shmBase; };
private:
void *shmBase;
int shmSize;
QString shmFile;
char character;
#if defined(QT_POSIX_QSHM)
int shmFD;
#else
int shmId;
key_t key;
int idInitted;
#endif
};
#endif
#endif
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