[Qt-interest] Problem with QHash and QThread

[Bo Thorsen]

Your problem is in code you didn't send here. There is nothing in the 
code you sent that will crash the application.

Bo.

Den 15-06-2011 00:43, Andrei Sebastian Cîmpean skrev:
> Hello everybody,
>
> I have stumbled upon a problem that I don't quite understand and I was hoping
> someone can help me get to the bottom of it.
> I have a class that inherits QThread. In the header file I have:
>
> inline uint qHash(const QPoint&  p)
> {
>      return qHash(p.x()+p.y());
> }
> struct Hexagon{
>      QPoint center;
>      int centerSSD;
>      QHash<QPoint,int>  points;
> };
> class HexagonalSearch : public QThread, public BlockMatching
> {
>      Q_OBJECT
> (...)
>
> , with BlockMatching being a simple class that just has some functions preset.
> It compiles without any warnings, although I know that's not necessarily a
> condition for no problems.
> When I run the app and it gets to part where it has to execute the run()
> function the app crashes. I can't debug using Qt Creator (don't know why it
> freezes at setting breakpoints even after reinstall) but when I run the
> debugger it instantly crashes with the message "The inferior stopped ...." ->
> Segmentation fault, and it displays assembly code with a flag set for a
> compare (cmpq).
> I have attached a screenshot with the result.
> Any help would be greatly appreciated and would probably save my life.
>
> Thank you for your time and patience,
> Andrei Sebastian Cîmpean
>
>
>
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Bo Thorsen,
Fionia Software.

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