template<typename T>
class ThreadSafeList {

public:
	ThreadSafeList() {}
    
    T get(int index) {
    	QMutexLocker locker(&mtx_);
        return list_.takeAt(index);
    }
    
    void put(T data) {
    	QMutexLocker locker(&mtx_);
        list_.append(data);
    }

	QList<T> list_;
    QMutex mtx_;

}

class Worker : public QObject, public QRunnable
{
    Q_OBJECT
    
public: 
	Worker(ThreadSafeList<Data>* list) : list_(list) {
    }
    
    void run();
    
private: 
	ThreadSafeList<Data>* list_;
}

class SomeClass {

public:
	
	void someFun() {
    
	   	auto worker = new Worker(&list_);
    	QThreadPool::globalInstance()->start(worker);
        
        auto anotherWorker = new Worker(&list_);
    	QThreadPool::globalInstance()->start(anoterWorker);

    }
    
private:
	ThreadSafeList<Data> list_;

	
    
}