qwaitcondition.h

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00001 /****************************************************************************
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00007 ** This file is part of the QtCore module of the Qt Toolkit.
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00016 ** GNU Lesser General Public License Usage
00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
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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