Re: [Plplot-devel] qt_example intermittent segfaults on exit

[Alan W. I. <Ala...@gm...>]

On 2018-12-29 16:50-0000 António Rodrigues Tomé wrote:

> Hi Alan
> it is easy to put this in a more standard qt way where plot win is not
> defined as a pointer and  put win.show
> replacing
> //   a.setActiveWindow( win );
> //   win->setVisible( true );
> before the return a.exec()
>
> the fun thing is  that in this case the program always crashes when one
> closes the window. It crashes when the destructor
> of PlotWindow::~PlotWindow() is called.
> it crashes there even if you empty the destructor. so I would conclude
> something very wrong with the extqt driver.

My experience was the same.  Any change I attempted caused reliable segfaults
rather than rare segfaults.  So I agree there is some flaw in the current
extqt device.

> I'll promise to have a look,
> and probably completely replace it by something different as I do not like
> it, unlike the others that are nice.

That would be great when you have time for this.

Alan
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Alan W. Irwin

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