From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue, 16 Sep 1997 13:27:46 -0400
From: howard@plan9.bell-labs.com howard@plan9.bell-labs.com
Subject: [9fans] adding separate rendezvous space to Plan9
Topicbox-Message-UUID: 64ec8274-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19970916172746.dZMau1mykyxRY7wdMy2xI7VT9H9NsK5tgqcLz4dFbrk@z>

> I found two other problems.  In /sys/src/ape/lib/ap/plan9/sys9.h there
> is a reference to RFREND.  I guess someone thought this was a good
> idea too, but did not follow through.

Brazil added RFREND to for the rendezvous space.  I needed it so the
the implementation of nonblocking I/O (needed for X11) in libap
would work ok in the presence of children forking.  Since most of
the application code in Brazil is the same as in Plan 9, we'd been
maintaining stuff on Brazil and copying it back to Plan 9.  You found
a place where we weren't careful enough about removing
Brazil-specific stuff.

Howard Trickey