K 10
svn:author
V 3
mbr
K 8
svn:date
V 27
2006-09-19T19:25:11.000000Z
K 7
svn:log
V 375
Fix races between tty.c and sessrele() / doenterpgrp() / leavepgrp(). The tty
code is still under giant lock, but the session/pgrp release code just used
proctree_locks. This explains why moving the proctree_lock in sys/kern/tty.c
rev. 1.258 did fix the panics in our SMP systems.

This should also fix some race panics with revoked ttys.

Reviewed by:	jhb
MFC after:	1 week

END