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Details

Type: Bug
Resolution: Done
Priority: P3: Somewhat important
Fix Version/s: 5.8.0 Alpha
Affects Version/s: 5.0.2
Component/s: Core: Event loop
Labels:
None

Description

Deferred delete events are not handled if they were posted from a glib event callback execution cycle.
loop level for event = loop level for current thread.

I believe the loop level should be incremented before calling g_main_context_iteration in QEventDispatcherGlib::processEvents.

QScopedLoopLevelCounter loopLevelCounter(threadData);

Test App supplied to reproduce the problem.
unzip and ./run

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TestGlibLoop.tar.gz
07 Aug '13 16:37
3 kB
Nick Dedekind

Issue Links

relates to

QTBUG-18434 QObject::deleteLater called from a function scheduled by g_idle_add --> QObject won't get deleted the next time the main loop spins

Closed

resulted in

QTBUG-120124 Improvements to deferred deletions / deleteLater()

Open

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For Gerrit Dashboard: QTBUG-32859
#	Subject	Branch	Project	Status	CR	V
142309,24	Fix for deferredDelete() bug when calling the glib loop directly	dev	qt/qtbase	Status: MERGED	-2	0
149561,1	Fix for deferredDelete() bug when calling the glib loop directly	5.7	qt/qtbase	Status: ABANDONED	0	0
150527,3	Fix warnings about constructor initialization order in tst_QObject.	5.7	qt/qtbase	Status: MERGED	+2	0