K 10
svn:author
V 7
davidxu
K 8
svn:date
V 27
2010-02-03T03:56:32.983629Z
K 7
svn:log
V 200
After busied the lock, re-read state word before checking waiters flag,
otherwise, the waiters bit may not be set and a wakeup is lost.

Submitted by:	justin.teller at gmail dot com
MFC after:	3 days

END