Package: manpages-dev Version: 2.22-1 /usr/share/man/man2/open.2.gz has (under O_NONBLOCK): "This mode need not have any effect on files other than FIFOs."
I'm almost sure that statement is false. O_NONBLOCK prevents blocking on any filehandle (files, sockets, fifos, devices, ...). Prueba el Nuevo Correo Terra; Seguro, Rápido, Fiable.
