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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWAITCONDITION_H
#define QWAITCONDITION_H
#include <QtCore/qglobal.h>
#include <limits.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifndef QT_NO_THREAD
class QWaitConditionPrivate;
class QMutex;
class QReadWriteLock;
class Q_CORE_EXPORT QWaitCondition
{
public:
QWaitCondition();
~QWaitCondition();
bool wait(QMutex *mutex, unsigned long time = ULONG_MAX);
bool wait(QReadWriteLock *readWriteLock, unsigned long time = ULONG_MAX);
void wakeOne();
void wakeAll();
private:
Q_DISABLE_COPY(QWaitCondition)
QWaitConditionPrivate * d;
};
#else
class QMutex;
class Q_CORE_EXPORT QWaitCondition
{
public:
QWaitCondition() {}
~QWaitCondition() {}
bool wait(QMutex *mutex, unsigned long time = ULONG_MAX)
{
Q_UNUSED(mutex);
Q_UNUSED(time);
return true;
}
void wakeOne() {}
void wakeAll() {}
};
#endif // QT_NO_THREAD
QT_END_NAMESPACE
QT_END_HEADER
#endif // QWAITCONDITION_H
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