K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2002-06-04T21:53:48.000000Z
K 7
svn:log
V 279
Optimize the adaptive mutex spin a bit.  Use a simple while loop with
simple reads (and on IA32, a "pause" instruction for each interation of the
loop) to spin until either the mutex owner field changes, or the lock owner
stops executing.

Suggested by:	tanimura
Tested on:	i386

END