K 10
svn:author
V 2
ed
K 8
svn:date
V 27
2008-09-24T19:43:09.847591Z
K 7
svn:log
V 264
Add another TTY locking migration macro: tty_getlock().

Some subsystems (HPS-USB) like to lock down the TTY through a more
generic approach, namely the regular mtx(9) macro's. Allow the TTY lock
to be obtained through the new macro.

Discussed with:	hps, thompsa

END