[Interest] TSAN findings in a simple QApplication/QMetaObject::invokeMethod example

Dennis Luehring dl.soluz at gmx.net
Thu Nov 3 19:09:48 CET 2022


Am 03.11.2022 um 17:34 schrieb Thiago Macieira:
> Actually this SEEMS to indicate that there's a race condition in the
> QPostEventList (which is a QVector), but I dobut that TSan is capable of
> noticing the  QMutex lock, because on Linux those are inline when uncontended.
>
> Qt 6.4 has TSan annotations for those, but you must build Qt itself with TSan
> for them to apply to the post event list inside QtCore.

do you know a good howto for building Qt 6.4 on Fedora 36 or Ubnuntu
22.04 with TSAN?


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