Re: g_io_add_watch, how to remove?

[Owen Taylor <otaylor redhat com>]

[ Not really a suitable question for gtk-devel-list ] 

jonas <jonas bulow servicefactory se> writes:

> Hi!
> 
> I use g_io_add_watch to watch for activities on a unix file descriptor:
> 
> g_io_add_watch(cioc, 
> 		 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
> 		 client_handler,
> 		 NULL);
> 
> How do I remove this watch when the channel is no longer available, i.e
> closed?
> 
> client_handler above does the following when the tearing down the socket
> connection (cioc):
> 
>       g_io_channel_close(cioc);
>       g_free(cioc);
        ^^^^^^^^^^^^^^

Aagh! Never, never, never free, any complex data structure that
GLib, etc, allocates. g_io_channel_unref().
 
> The problem I experience is that the main loop (g_main) dispatches
> activites on this closed channel/file descriptor and I realize that I
> have forgotten to remove the watch on this channel from the main loop.
> So, if anyone could enlightenme how to do that I would be glad. I have
> looked in the glib manual and in the source without getting any insights
> of how to do this.

 g_source_remove()

Regards,
                                        Owen