K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2022-04-20T03:31:53.648971Z
K 7
svn:log
V 713
vidcontrol: disable p, P, and H when vt(4) is in use

These options use the CONS_SCRSHOT ioctl to capture the contents of the
current console, which is not yet supported by vt(4).  Disable the
options when vt(4) is in use rather than emitting a possibly confusing
error message.

This change should be reverted if CONS_SCRSHOT is implemented for vt(4).

PR:		263099
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation

(cherry picked from commit c71ae91f1976746b380a8aada8676d7ae084fdc5)
(cherry picked from commit 1f4442f71fa33a8ef6d3da808e32872fb23a5700)
(cherry picked from commit 4aa249b5f367c3fe0aec287bbf156131ec75ebd3)

Git Hash:   1bb77846adee4a44c38a7b5777749357b1b9ff20
Git Author: emaste@FreeBSD.org
END