Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!purdue!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.wizards
Subject: Re: how can I get filename from file descriptor?
Message-ID: <11113@smoke.BRL.MIL>
Date: 19 Sep 89 21:27:29 GMT
References: <9353@chinet.chi.il.us> <1639@cbnewsl.ATT.COM> <10850@smoke.BRL.MIL> <14280@super.ORG> <11099@smoke.BRL.MIL> <862@cirrusl.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 11

In article <862@cirrusl.UUCP> dhesi%cirrusl@oliveb.ATC.olivetti.com (Rahul Dhesi) writes:
>I think the wizards who are shaping the development of non-AT&T UNIX
>should seriously consider including a general mechanism for sending an
>out-of-band EOF.  Right now the concept of a zero-byte read from a tty
>meaning EOF, and the zero-byte-write method describe above, are
>hack-ish.

I utterly disagree.  Out-of-band data communication is hackish.
There never HAS been an EOF in UNIX; it's always been a read()
returning 0.  At least that is properly synchronized with the
valid data.