Review Request: Potential crash due to notification during file save

Boudewijn Rempt boud at valdyas.org
Tue May 22 10:16:27 BST 2012



> On May 22, 2012, 9:04 a.m., Boudewijn Rempt wrote:
> > sheets/CMakeLists.txt, line 332
> > <http://git.reviewboard.kde.org/r/105010/diff/1/?file=65123#file65123line332>
> >
> >     er, why this?
> 
> Dag Andersen wrote:
>     You need a <appname>.notifyrc if you actually want KNotification to issue a notification, sending a dbus message is not enough.
>     Only Sheets have this file, no other app, so I propose to remove it for Sheets also for consistency.

Ah, I mis-read, I thought you had added it :-)


- Boudewijn


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On May 22, 2012, 9:02 a.m., Dag Andersen wrote:
> 
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> http://git.reviewboard.kde.org/r/105010/
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> 
> (Updated May 22, 2012, 9:02 a.m.)
> 
> 
> Review request for Calligra.
> 
> 
> Description
> -------
> 
> AFAICS any calligra app potentially crashes during query close.
> The reason is a notification issued in KoDocument::saveFile() which results in an async dbus message.
> The reply to this message can be received (timing dependent) during deletion of the dbus conection in which case it will crash.
> 
> I propose to just remove the notification as I cannot see a use case for it (unless saving a file takes a looong time)
> Also it is only activated in Sheets (where it is still called KSpread, btw), no other app uses it.
> 
> So the patch removes the notification from KoDocument::saveFile() and removes the sheets.notifyrc file from sheets.
> 
> 
> This addresses bug 297822.
>     http://bugs.kde.org/show_bug.cgi?id=297822
> 
> 
> Diffs
> -----
> 
>   libs/main/KoDocument.cpp 03086b3 
>   sheets/CMakeLists.txt 5355719 
> 
> Diff: http://git.reviewboard.kde.org/r/105010/diff/
> 
> 
> Testing
> -------
> 
> Well, hard to test, but I found that running plan under gdb triggered the crash most of the time (ymmv).
> With patch applied I have not seen a crash yet.
> 
> 
> Thanks,
> 
> Dag Andersen
> 
>

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