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# qwaitcondition.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QWAITCONDITION_H
    00043 #define QWAITCONDITION_H
    00044
    00045 #include <QtCore/qglobal.h>
    00046
    00047 #include <limits.h>
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Core)
    00054
    00055 #ifndef QT_NO_THREAD
    00056
    00057 class QWaitConditionPrivate;
    00058 class QMutex;
    00059 class QReadWriteLock;
    00060
    00061 class Q_CORE_EXPORT QWaitCondition
    00062 {
    00063 public:
    00064     QWaitCondition();
    00065     ~QWaitCondition();
    00066
    00067     bool wait(QMutex *mutex, unsigned long time = ULONG_MAX);
    00068     bool wait(QReadWriteLock *readWriteLock, unsigned long time = ULONG_MAX);
    00069
    00070     void wakeOne();
    00071     void wakeAll();
    00072
    00073 private:
    00074     Q_DISABLE_COPY(QWaitCondition)
    00075
    00076     QWaitConditionPrivate * d;
    00077 };
    00078
    00079 #else
    00080
    00081 class QMutex;
    00082 class Q_CORE_EXPORT QWaitCondition
    00083 {
    00084 public:
    00085     QWaitCondition() {}
    00086     ~QWaitCondition() {}
    00087
    00088     bool wait(QMutex *mutex, unsigned long time = ULONG_MAX)
    00089     {
    00090     Q_UNUSED(mutex);
    00091     Q_UNUSED(time);
    00092     return true;
    00093     }
    00094
    00095     void wakeOne() {}
    00096     void wakeAll() {}
    00097 };
    00098
    00099 #endif // QT_NO_THREAD
    00100
    00101 QT_END_NAMESPACE
    00102
    00103 QT_END_HEADER
    00104
    00105 #endif // QWAITCONDITION_H