[Kst] [Bug 241273] deadlock when zooming data

[Andrew Walker]

https://bugs.kde.org/show_bug.cgi?id=241273


Andrew Walker <arwalker at sumusltd.com> changed:

           What    |Removed                     |Added
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                 CC|                            |arwalker at sumusltd.com




--- Comment #1 from Andrew Walker <arwalker sumusltd com>  2010-06-11 02:15:40 ---
The problem appears to be that in KstVCurve::paint the vectors are locked in a
defined order (namely xv, yv, [exv], [eyv], [exmv], [eymv]) while in
KstVCurve::update (which uses KstdataObject::writeLockInputsAndOutputs for the
actualt locking) the order may be different.

The solution is to lock the vectors in the same order in both cases, else we
face a potential deadlock.

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