class MyTimer : public QTimer
{
public slots:
    void restart() { this->stop; this->start();}
}

class MyThread: public QThread
{
signals:
    void signalRestart();

protected:
    void run() {
        MyTimer timer;
        connect(&timer, SIGNAL(timeout()), this, SLOT(procTimer()));
        connect(this, SIGNAL(signalRestart()), &timer, SLOT(restart()));
        exec();
    }

public:
    void procTimer() { //proc }
    
    void restartTimer() { emit signalRestart(); }
};