ed c8183352b8 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
2008-09-24 19:43:09 +00:00
..
2008-09-24 18:46:39 +00:00