#ifndef TC_H
#define TC_H

#include <QThread>
#include <QDebug>

class ThreadClass : public QThread
{
public:
	ThreadClass(QObject *parent = 0) : QThread(parent) { }
	void execMethod() {
		qDebug() << "ThreadClass->execMethod()-> ID = " << QThread::currentThreadId();
	}
protected:
	void run() {
		qDebug() << "ThreadClass->run()-> ID = " << QThread::currentThreadId();
		exec();
		qDebug() << "After Exec";
	}
};

#endif

#include <QtCore>
#include <tc.h>

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);
	qDebug() << "QCoreApplication -> ID = " << QThread::currentThreadId();
	ThreadClass *tc = new ThreadClass();
	tc->moveToThread(tc);
	tc->start();
	sleep(1);
	tc->execMethod();
       return app.exec();
}

#ifndef TC_H
#define TC_H

#include <QThread>
#include <QDebug>

class PrintClass : public QObject
{
	Q_OBJECT
public:
	PrintClass() {}
	virtual ~PrintClass() {}
public slots:
	void printMsg() { qDebug() << "PrintClass->printMsg()-> ID = " << QThread::currentThreadId(); }
};

class ThreadClass : public QThread
{
	Q_OBJECT
public:
	ThreadClass() {}
	virtual ~ThreadClass() {}
	void execMethod() {
		qDebug() << "ThreadClass->execMethod()-> ID = " << QThread::currentThreadId();
		emit sigExec();
	}
protected:
	void run() {
		qDebug() << "ThreadClass->run()-> ID = " << QThread::currentThreadId();
		pc = new PrintClass();
		connect(this, SIGNAL(sigExec()), pc, SLOT(printMsg()));
		exec();
		qDebug() << "After Exec";
	}
signals:
	void sigExec();
private:
	PrintClass *pc;
};
#endif

#include <QtCore>
#include "tc.h"
int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);
	qDebug() << "QCoreApplication -> ID = " << QThread::currentThreadId();
	ThreadClass *tc = new ThreadClass();
	tc->start();
	sleep(1);
	tc->execMethod();
    return app.exec();
}

void execMethod() {}
QFuture<void> QtConcurrent::run (execMethod)