Bug in QEventLoop in Qt3.1beta

Lubos Lunak l.lunak at suse.cz
Tue Sep 10 18:40:14 BST 2002


 if QApplication::eventLoop() is referenced before QApplication is created 
(e.g. when creating a QSocketNotifier, as in kded when fam daemon is running 
or dnotify support is enabled), it doesn't add the X11 connection fd to the 
list of watched fd's (because there's no QApplication instance at that time). 
Later this causes crash when qt_gui_is_used becomes true but d->xfd is still 

 The attached patch should fix the problem. You'll also have to do something 
with QEventLoop::appStartingUp() in qeventloop.cpp .

Lubos Lunak
KDE developer
SuSE CR, s.r.o.  e-mail: l.lunak at suse.cz , l.lunak at kde.org
Drahobejlova 27  tel: +420 2 9654 2373
190 00 Praha 9   fax: +420 2 9654 2374
Czech Republic   http://www.suse.cz/
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