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To: Bill Paul <wpaul@skynet.ctr.columbia.edu>
cc: hackers@freebsd.org
Subject: Re: descriptors and sockets and pipes, oh my 
In-reply-to: Your message of "Sat, 23 Nov 96 10:02:10 PST."
             <199611231802.NAA05597@skynet.ctr.columbia.edu> 
Date: Sat, 23 Nov 1996 18:57:45 PST
From: Bill Fenner <fenner@parc.xerox.com>
Message-Id: <96Nov23.185755pst.177557@crevenia.parc.xerox.com>
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In message <199611231802.NAA05597@skynet.ctr.columbia.edu> you write:
>Does anyone have a source code example handy of passing a file
>descriptor from one process to anyther via an AF_UNIX socket?

_Advanced Programming in the UNIX Environment_ provides an
example for 4.4 ("4.3+").  The source tar is available from
http://www.noao.edu/~rstevens.

>Also, is it possible to
>pass descriptors between totally unrelated processes, or must
>they be parent and child?

The only requirement for their relationship is that they have an
AF_UNIX socket open between them.

  Bill