Path: utzoo!attcan!uunet!ogicse!mintaka!think.com!barmar
From: barmar@think.com (Barry Margolin)
Newsgroups: comp.unix.questions
Subject: Re: Info needed on TCPIP Sockets during crashes
Keywords: sockets help
Message-ID: <1990Dec11.050905.28468@Think.COM>
Date: 11 Dec 90 05:09:05 GMT
References: <1990Dec10.230703.22550@usenet@kadsma>
Sender: news@Think.COM
Organization: Thinking Machines Corporation, Cambridge MA, USA
Lines: 16

In article <1990Dec10.230703.22550@usenet@kadsma> fuller@kadsma.kodak.COM (Bill Fuller) writes:
>  Is there some sort of procedure to detect a crashed host versus a busy
>host?

If you try to write to it after it has crashed, you'll get an error when it
finally comes back up.

Until it comes back up, there's no way to distinguish a dead host from one
whose network connector has fallen out, or one that's really, really,
really slow to respond.

--
Barry Margolin, Thinking Machines Corp.

barmar@think.com
{uunet,harvard}!think!barmar