src_corelib_concurrent_qthreadpool.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
class HelloWorldTask : public QRunnable
{
    void run() override
    {
        qDebug() << "Hello world from thread" << QThread::currentThread();
    }
};
 
HelloWorldTask *hello = new HelloWorldTask();
// QThreadPool takes ownership and deletes 'hello' automatically
QThreadPool::globalInstance()->start(hello);