GUI (PyQt) & thread problem

K. Wojas usenet at
Mon Feb 25 03:42:11 CET 2002

Kristian Nylund wrote:
> Can someone tell me what the problem is with the following program, as it
> hangs. I'm pretty sure there's some inherent design-flaw involved, but
> I'm not familiar enough with threads or GUI-programming to know what it
> could be.
> I've also tried modyfing the program to use PYSIGNALs instead of passing
> the caller to the thread, but the results were the same.

Never use the Qt toolkit from 2 threads. You can only use the worker thread 
for non-GUI stuff. The Qt toolkit isn't threadsafe.


Konrad Wojas

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