#include <QApplication>          
#include <QThread>               
#include <QDebug>                

class Thread : public QThread
{                            
    Q_OBJECT                 
public:                      
    Thread() : QThread( 0 ) { moveToThread( this ); }

signals:
    void started();
    void stopped();

protected:
    void run()
    {         
        emit started();
        sleep( 2 );    
        emit stopped();
    }                  
};                     

class Recv : public QObject
{
    Q_OBJECT
public:
    Recv() : QObject( 0 ) {}

public slots:
    void threadStarted()
    {
        qDebug() << "Thread started.";
    }

    void threadStopped()
    {
        qDebug() << "Thread stopped.";
    }
};

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);

    Recv recv;
    Thread thread;

    QObject::connect( &thread, SIGNAL( started() ), &recv, SLOT( threadStarted() ) );
    QObject::connect( &thread, SIGNAL( stopped() ), &recv, SLOT( threadStopped() ) );

    thread.start();

    return app.exec();
}

#include "main.moc"