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    41 

    42 #ifndef QWAITCONDITION_H

    43 #define QWAITCONDITION_H

    44 

    45 #include <QtCore/qglobal.h>

    46 

    47 #include <limits.h>

    48 

    49 QT_BEGIN_HEADER

    50 

    51 QT_BEGIN_NAMESPACE

    52 

    53 QT_MODULE(Core)

    54 

    55 #ifndef QT_NO_THREAD

    56 

    57 class QWaitConditionPrivate;

    58 class QMutex;

    59 class QReadWriteLock;

    60 

    61 class Q_CORE_EXPORT QWaitCondition

    62 {

    63 public:

    64     QWaitCondition();

    65     ~QWaitCondition();

    66 

    67     bool wait(QMutex *mutex, unsigned long time = ULONG_MAX);

    68     bool wait(QReadWriteLock *readWriteLock, unsigned long time = ULONG_MAX);

    69 

    70     void wakeOne();

    71     void wakeAll();

    72 

    73 private:

    74     Q_DISABLE_COPY(QWaitCondition)

    75 

    76     QWaitConditionPrivate * d;

    77 };

    78 

    79 #else

    80 

    81 class QMutex;

    82 class Q_CORE_EXPORT QWaitCondition

    83 {

    84 public:

    85     QWaitCondition() {}

    86     ~QWaitCondition() {}

    87 

    88     bool wait(QMutex *mutex, unsigned long time = ULONG_MAX)

    89     {

    90 	Q_UNUSED(mutex);

    91 	Q_UNUSED(time);

    92 	return true;

    93     }

    94 

    95     void wakeOne() {}

    96     void wakeAll() {}

    97 };

    98 

    99 #endif // QT_NO_THREAD

   100 

   101 QT_END_NAMESPACE

   102 

   103 QT_END_HEADER

   104 

   105 #endif // QWAITCONDITION_H