RE: adding fifo input to the main glib2 loop
- From: "Nils O. Selåsdal" <noselasd frisurf no>
- To: "'gtk-list'" <gtk-list gnome org>
- Subject: RE: adding fifo input to the main glib2 loop
- Date: Fri, 6 Sep 2002 16:28:04 +0200
> >Hi,
> > I have an app that mkfifo()s && open()s and then attaches a
> >g_io_channel to the fd. The basic idea is that clients can
> drop scheme
> >code to a fifo for the app to execute, thus the server only
> reads the
> >pipe and clients should only write it.
> >
> >I have this working with one catch, after the first command is read
> >(first callback instance) the app itself goes to 100% CPU use. Other
> >commands get through fine but from a break && bt it seems
> that glib2 is
> >churning on some property of the fd (the break always stops
> in glib2s
> >select (or poll, cant remember which it was)).
> >
> >Is there some condition that I must set or other thing required to
> >monitor fifos? Or some app that folks know of that does fifo IO from
> >the main loop.
>
> there isn't anything extra. but are you sure you read *all*
> the data that was available from the FIFO? is it possible
> that select/poll believes there is still data available, and
> is repeatedly calling your callback?
Wont glib also repeatingly call the callback if there is an exception,
(other end dies/EOF) and you dont do anything about it ??
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