#include <QThread>

class MyThread : public QThread
{
    Q_OBJECT
public:
    MyThread(int id):m_id(id){}
    void run();
private:
    int m_id;
};

#include <MyThread.h>

void MyThread::run()
{
    qDebug("thread %d started\n",m_id);
    for(int i=0;i<3;++i)
    {
        qDebug("%d) %d\n",m_id,i);
        sleep(1);
    }
    qDebug("thread %d stoped\n",m_id);
}

#include <QCoreApplication>
#include <MyThread.h>

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

    MyThread t1(1);
    MyThread t2(2);

    t1.run();
    t2.run();

    t2.wait();
    t1.wait();

    return 0;
}

thread 1 started
1) 0
1) 1
1) 2
thread 1 stoped
thread 2 started
2) 0
2) 1
2) 2
thread 2 stoped