[PATCH] Fix high CPU usage when the output module unexpectedly stops

[Luke Yelavich]

On Wed, Sep 25, 2013 at 08:04:41PM CEST, Chris Brannon wrote:
> Gilles Casse <gcasse at oralux.org> writes:
> 
> > Speech-dispatcher can consume most of cpu resources if the output module 
> > stops.
> >
> > For example, this issue can be observed on fedora 19 with speech dispatcher 
> > 0.8, when the user logins from a gdm with screen reader on.
> > Then, the output modules used by gdm are stopped which is followed by a 
> > high cpu usage. 
> 
> I looked at your patch.  Basically, you kill Speech Dispatcher if one of
> the output modules stops.
> That certainly solves the problem.  Maybe it would be nice if SD could
> gracefully switch to a new module or restart the one that
> stopped.  But what you have here is good enough for me.  If there are no
> objections, I'll push it for you.

I have applied this patch, and added a FIXME note as a reminder that we need to 
handle this more gracefully in the near future.

Luke