[src/trunk]: src/share/man/man4 mention the new QSIZE ioctls.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/337aebd215cc
branches:  trunk
changeset: 769805:337aebd215cc
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Sep 24 00:06:20 2011 +0000

description:
mention the new QSIZE ioctls.

diffstat:

 share/man/man4/tty.4 |  14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r 768873d5f6ae -r 337aebd215cc share/man/man4/tty.4
--- a/share/man/man4/tty.4      Sat Sep 24 00:05:38 2011 +0000
+++ b/share/man/man4/tty.4      Sat Sep 24 00:06:20 2011 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: tty.4,v 1.27 2011/04/28 12:15:35 wiz Exp $
+.\"    $NetBSD: tty.4,v 1.28 2011/09/24 00:06:20 christos Exp $
 .\"
 .\" Copyright (c) 1991, 1992, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)tty.4      8.3 (Berkeley) 4/19/94
 .\"
-.Dd October 7, 2006
+.Dd September 9, 2011
 .Dt TTY 4
 .Os
 .Sh NAME
@@ -331,6 +331,16 @@
 structure pointed to by
 .Fa ws
 (see above).
+.It Dv TIOCGQSIZE Fa int *qsize
+Get the current size of the tty input and output queues.
+.It Dv TIOCSQSIZE Fa int *qsize
+Set the size of the tty input and output queues.
+Valid sizes are between
+.Dv 1024
+and
+.Dv 65536
+and input values are converted to a power of two.
+All pending input and output is dropped.
 .It Dv TIOCCONS Fa int *on
 If
 .Fa on