Review Request: Prevent crash in KJob::emitResult() if job is deleted

[Kevin Ottens]

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Ship it!


Good to go!

- Kevin


On 2010-12-06 09:43:30, Aurélien Gâteau wrote:
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> (Updated 2010-12-06 09:43:30)
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> Review request for kdelibs and Kevin Ottens.
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> Summary
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> If someone calls "delete job" on a slot connected to the KJob::result() signal, KJob crashes because the job does not exist anymore when execution comes back to KJob::emitResult(). I added a guard to prevent that. An alternative would be to call deleteLater() before emitting the signals but I was afraid it would cause trouble if slots connected to the emitted signals used event loops.
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> This addresses bug 241562.
>     https://bugs.kde.org/show_bug.cgi?id=241562
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> Diffs
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>   trunk/KDE/kdelibs/kdecore/jobs/kjob.cpp 1203507 
>   trunk/KDE/kdelibs/kdecore/tests/kjobtest.h 1203507 
>   trunk/KDE/kdelibs/kdecore/tests/kjobtest.cpp 1203507 
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> Diff: http://svn.reviewboard.kde.org/r/6022/diff
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> Testing
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> Wrote a unit-test to demonstrate the problem. This also helps with bug #241562 although I have another request prepared to hopefully definitely nail it down.
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> Thanks,
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> Aurélien
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>

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