hg: jdk7/tl/jdk: 7023006: Reduce unnecessary thread activity in ForkJoinPool

[chris.hegarty at oracle.com]

Changeset: 63509149c027
Author:    dl
Date:      2011-03-08 18:16 +0000
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/63509149c027

7023006: Reduce unnecessary thread activity in ForkJoinPool
Reviewed-by: chegar, dholmes

! src/share/classes/java/util/concurrent/ForkJoinPool.java
! src/share/classes/java/util/concurrent/ForkJoinTask.java
! src/share/classes/java/util/concurrent/ForkJoinWorkerThread.java