From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sun, 25 Aug 1996 09:58:22 -0400
From: Rob Pike rob@plan9.bell-labs.com
Subject: rwlock.l
Topicbox-Message-UUID: 4b837216-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19960825135822.Wh56lyLg82-aTydK9CKr9O2UEf1RcmMTTZm52gYqUow@z>

/sys/src/alef/lib/port/rwlock.l was on the CD ROM.
For reasons lost to antiquity, it was not built by
the mkfile and was not copied/ported to brazil, which
caused all this confusion.