Subject: Re: Cloning Devices
To: Jaromir Dolecek <jdolecek@NetBSD.org>
From: Christos Zoulas <christos@zoulas.com>
List: tech-kern
Date: 12/05/2004 09:31:41
On Dec 5,  2:24pm, jdolecek@NetBSD.org (Jaromir Dolecek) wrote:
-- Subject: Re: Cloning Devices

| EMOVEFD has same sematics as the previous ENXIO-using technique,
| right?
| 
| When would be purpose of EDUPFD ? AFAICS using EDUPFD would mean the
| caller has suddenly two descriptors as result of device open, and
| only the second (the cloned device) is returned. I cannot see
| how this could ever be useful.

Think /dev/fd

christos