K 10
svn:author
V 3
alc
K 8
svn:date
V 27
2012-10-03T05:06:45.430207Z
K 7
svn:log
V 236
Tidy up a bit:

Update some of the comments.  In particular, use "sleep" in preference to
"block" where appropriate.

Eliminate some unnecessary casts.

Make a few whitespace changes for consistency.

Reviewed by:	kib
MFC after:	3 days

END