Review Request 125249: Fix crash when KDirWatch is used in Q_GLOBAL_STATIC.

[David Faure]

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https://git.reviewboard.kde.org/r/125249/
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Review request for KDE Frameworks, Albert Astals Cid and Michael Pyne.


Repository: kcoreaddons


Description
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Now that the main thread singleton is deleted by a qApp post routine,
the KDirWatch destructor can run afterwards and hit a dangling pointer.
So we test whether the threadstorage still has data for this thread,
and skip code if not.


Diffs
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  autotests/kdirwatch_unittest.cpp dc532a0e42e2fd604525d16c25916b572720b484 
  src/lib/io/kdirwatch.cpp eceb9616fb740c542ce116594a57ba4c0a732c1f 

Diff: https://git.reviewboard.kde.org/r/125249/diff/


Testing
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This was making two kio unittests crash, but I now extended the kdirwatch unittest to hit the crash there, so that similar issues get detected earlier next time.


Thanks,

David Faure

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