Hi,
Andre Lohan wrote:
> g_io_add_watch(rx_io, G_IO_IN, rx_io_event, NULL);
>
> I end up with 100% CPU load when i add the channel and the callback
> rx_io_event never gets called.
>
> i get loads of the following lines in short time with strace:
>
> ioctl(4, FIONREAD, [0]) = 0
> poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN, revents=POLLHUP}], 2,
> -1) = 1
>
> I've tried the same with an normal AF_INET socket and it dont "poll" so
> often and no 100% CPU load.
The reason why you're getting 100% CPU usage is because the poll() call
is getting HUP events, but your watch doesn't handle that event. You
need to add G_IO_HUP as well for your rx_io_event. (Why you're getting
HUP, I have no idea; I don't know anything about AX25 sockets.)
This is a question that would probably be better on gtk-app-devel-list,
gtk-devel-list is for the development of glib and gtk itself.
Joe
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