[mythtv] Race condition seen in mythwelcome

[Russell Mora]

Thanks for the feedback Paul.  Based on this I will create a ticket with a
patch.

Cheers,
Russell.

On 6/13/06, Paul Harrison <mythtv at dsl.pipex.com> wrote:
>
> Russell Mora wrote:
> > Hi All,
> >
> > I am seeing a race condition in the startup of mythwelcome (HEAD) that
> > is causing it to hang in the call to setActiveWindow() in
> > MythMainWindow::Show().  If I change various things, like:
> >  * verbosity (sometimes)
> >  * window manager (I am using evilwm on a PVR-350 TV-out)
> >  * running mythwelcome under a xterm, i.e. "xterm -e mythwelcome"
> > (sometimes)
> >  * adding a sleep(1) before to call to mainWindow->Init() in
> > programs/mythwelcome/main.cpp
> >  * removing the call to mainWindow->Init() from
> > programs/mythwelcome/main.cpp (I did this after noticing that
> > mythfrontend does not make this call)
> >
> > then the problem (sometimes) goes away.  Before I spend a lot of time
> > trying to figure out why this is occuring I though I'd see if anyone
> > with more experience with myth than me (this is my first go at hacking
> > it) might be able to offer some insight. :-)  In particular, is the
> > explicit call to mainWindow->Init() really required, given that the
> > MythMainWindow constructor calls this anyway? Can someone with another
> > setup try it and see if it causes any problems for them?
> >
> > Cheers,
> > Russell.
> I think this is more a problem with evilwm than with MythWelcome. It
> appear to be the only WM that has problems.
> http://www.gossamer-threads.com/lists/mythtv/users/192704#192704
>
> Your right about mainWindow->Init() you can safely remove it and also
> the call to mainWindow->Show() can be removed as well if it helps.
>
> Paul H.
>
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