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Ship it!


Let's get this patch committed for safety purposes. Users are seeing tons of 
crashes at logout time, and if this can help fix it for them, then let's go for 
it.

- Matt


On 2009-07-09 12:01:45, Lamarque Souza wrote:
> 
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> http://reviewboard.kde.org/r/972/
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> 
> (Updated 2009-07-09 12:01:45)
> 
> 
> Review request for Kopete.
> 
> 
> Summary
> -------
> 
> Sometimes Kopete crashes when disconnecting from WLM server. I think I have
> found the cause, which seems a race condition in WlmServer::WlmDisconnect:
> 
> 1    if (mainConnection)
> 2    {
> 3        disconnecting = true;
> 4        QListIterator i(cb.socketList);
> 5        while (i.hasNext())
> 6        {
> 7            a = i.next();
> 8            QObject::disconnect (a, 0, 0, 0);
> 9            cb.socketList.removeAll (a);
> 10        }
> 11        cb.socketList.clear ();
> 
> 12        if (mainConnection->connectionState () !=
> 13            MSN::NotificationServerConnection::NS_DISCONNECTED)
> 14        {
> 15            delete mainConnection;
> 16            mainConnection = NULL;
> 17        }
> 18    }
> 
> If WlmServer::WlmDisconnect is called twice in a really short time frame
> between the if in line 1 and the delete in line 15 some time will passed and
> the second run of WlmServer::WlmDisconnect will enter the if and delete
> mainConnection object for a second time, which will cause Kopete to crash.
> 
> 
> This addresses bug 199580.
>     https://bugs.kde.org/show_bug.cgi?id=199580
> 
> 
> Diffs
> -----
> 
>   /trunk/KDE/kdenetwork/kopete/protocols/wlm/wlmserver.h 993925 
>   /trunk/KDE/kdenetwork/kopete/protocols/wlm/wlmserver.cpp 993925 
> 
> Diff: http://reviewboard.kde.org/r/972/diff
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Lamarque
> 
>

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