/**************************************************************************** ** $Id$ ** ** 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