hg: jdk7/tl/jdk: 6822903: Reliability and documentation improvements for ReentrantReadWriteLock

[martinrb at google.com]

Changeset: 4a685f3f3ba8
Author:    dl
Date:      2009-03-26 17:39 -0700
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/4a685f3f3ba8

6822903: Reliability and documentation improvements for ReentrantReadWriteLock
Summary: Make firstReader a Thread, not a long
Reviewed-by: martin

! src/share/classes/java/util/concurrent/locks/ReentrantReadWriteLock.java