Re: gtk-based sip client "locking up"

["Frank W. Miller" <fwmiller cornfed com>]

Thanks to you and everyone that replied.

The application is threaded, it uses between 2 and 6 Pthreads (depending 
on whats happening at the time).  Why is it necessary to register these 
file descriptors?  I have all my files set to async operation (open(..., 
O_NONBLOCK)).  I might add that the client continues to work and the 
buttons are still active.  For example, when you want to call someone, 
you hit the dial button, the text of the button then changes to hangup 
and if you hit that button again, it terminates the call.  These 
functions continue to work, its just that there is no "repainting" of 
any of the widgets but they are still generating their signals.

Also FYI, I running Red Hat 9 stock.

FM


Nils O. Selåsdal wrote:

> On Mon, 2004-04-26 at 01:58, Frank W. Miller wrote:
>  
>
> > Greetings,
> >
> > I'm new to programming with GTK and new to this list.  I apologize in 
> > advance if this is a simple question and I just havent dug hard enough 
> > to find the answer.  I've been through a number of programming docs and 
> > scanned some mailing lists to no avail  so far.
> >    
> It all depends on how you do your networking.
> I guess you have a callback signal somewhere that gets called
> when user clicks the Dial button.
> If that callback does the network setup(handling the initial
> dialog handshake) it will block the GUI updating. That is
> the appliation will wait for a connection to complete and wait
> for the answer back instead of updating the GUI. Basically, any time
> your code executes, the GUI will block. Usually this is no problem
> since such code executes and finishes fast. But if it does networking
> it might take a very long time.
> So, basically, use async IO.
> http://developer.gnome.org/doc/API/2.0/glib/glib-IO-Channels.html#g-io-add-watch-full
> Or do networing in a seperat thread.
> If the above is not the problem, you have to track down in your code where/when it
> stops/hangs and provide that info.
>
>