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/*!

    \class QRunnable

    \since 4.4

    \brief The QRunnable class is the base class for all runnable objects.

    \ingroup thread

    The QRunnable class is an interface for representing a task or

    piece of code that needs to be executed, represented by your

    reimplementation of the run() function.

    You can use QThreadPool to execute your code in a separate

    thread. QThreadPool deletes the QRunnable automatically if

    autoDelete() returns true (the default). Use setAutoDelete() to

    change the auto-deletion flag.

    QThreadPool supports executing the same QRunnable more than once

    by calling QThreadPool::tryStart(this) from within the run() function. 

    If autoDelete is enabled the QRunnable will be deleted when

    the last thread exits the run function. Calling QThreadPool::start()

    multiple times with the same QRunnable when autoDelete is enabled

    creates a race condition and is not recommended.

    \sa QThreadPool

*/

/*! \fn QRunnable::run()

    Implement this pure virtual function in your subclass.

*/

/*! \fn QRunnable::QRunnable()

    Constructs a QRunnable. Auto-deletion is enabled by default.

    \sa autoDelete(), setAutoDelete()

*/

/*! \fn QRunnable::~QRunnable()

    QRunnable virtual destructor.

*/

/*! \fn bool QRunnable::autoDelete() const

    Returns true is auto-deletion is enabled; false otherwise.

    If auto-deletion is enabled, QThreadPool will automatically delete

    this runnable after calling run(); otherwise, ownership remains

    with the application programmer.

    \sa setAutoDelete(), QThreadPool

*/

/*! \fn bool QRunnable::setAutoDelete(bool autoDelete)

    Enables auto-deletion if \a autoDelete is true; otherwise

    auto-deletion is disabled.

    If auto-deletion is enabled, QThreadPool will automatically delete

    this runnable after calling run(); otherwise, ownership remains

    with the application programmer.

    Note that this flag must be set before calling

    QThreadPool::start(). Calling this function after

    QThreadPool::start() results in undefined behavior.

    \sa autoDelete(), QThreadPool

*/