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fortunethread.h Example File
network/blockingfortuneclient/fortunethread.h

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    #ifndef FORTUNETHREAD_H
    #define FORTUNETHREAD_H

    #include <QThread>
    #include <QMutex>
    #include <QWaitCondition>

    class FortuneThread : public QThread
    {
        Q_OBJECT

    public:
        FortuneThread(QObject *parent = 0);
        ~FortuneThread();

        void requestNewFortune(const QString &hostName, quint16 port);
        void run();

    signals:
        void newFortune(const QString &fortune);
        void error(int socketError, const QString &message);

    private:
        QString hostName;
        quint16 port;
        QMutex mutex;
        QWaitCondition cond;
        bool quit;
    };

    #endif


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Qt 4.0.1