K 10 svn:author V 2 dd K 8 svn:date V 27 2002-07-10T03:29:38.000000Z K 7 svn:log V 294 Add a VT_LOCKSWITCH ioctl that disallows vty switching. Something like this can be emulated by VT_SETMODEing to VT_PROCESS and never releasing the vty, but this has a number of problems, most notably that a process must stay resident for the lock to be in effect. Reviewed by: roam, sheldonh END