K 10
svn:author
V 2
ed
K 8
svn:date
V 27
2009-11-25T10:43:03.177221Z
K 7
svn:log
V 178
Use atomic increments for vt_unit.

It's not likely that multiple allocations of vt devices will ever occur
at the same time, but if it would happen, the results are very scary.

END