/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
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** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#ifndef QWSLOCK_P_H | |
#define QWSLOCK_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. This header file may | |
// change from version to version without notice, or even be | |
// removed. | |
// | |
// We mean it. | |
// | |
#include <qglobal.h> | |
QT_BEGIN_NAMESPACE | |
#ifndef QT_NO_QWS_MULTIPROCESS | |
class QWSLock | |
{ | |
public: | |
enum LockType { BackingStore, Communication, RegionEvent }; | |
QWSLock(); | |
QWSLock(int lockId); | |
~QWSLock(); | |
bool lock(LockType type, int timeout = -1); | |
void unlock(LockType type); | |
bool wait(LockType type, int timeout = -1); | |
bool hasLock(LockType type); | |
int id() const { return semId; } | |
private: | |
int semId; | |
int lockCount[2]; | |
}; | |
QT_END_NAMESPACE | |
#endif // QT_NO_QWS_MULTIPROCESS | |
#endif // QWSLOCK_P_H |