K 10
svn:author
V 6
eadler
K 8
svn:date
V 27
2013-05-10T17:30:29.686270Z
K 7
svn:log
V 174
Add option to lockf to avoid creating a file if it does not exist.

PR:	bin/170775
Submitted by:	Matthew Story <matthewstory@gmail.com>
Reviewed by:	scottl
MFC after:	1 week

END