1.\" $NetBSD: screenblank.1,v 1.11 2002/01/24 01:34:13 lukem Exp $ 2.\" 3.\" Copyright (c) 1996-2002 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Jason R. Thorpe. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd January 24, 2002 38.Dt SCREENBLANK 1 39.Os 40.Sh NAME 41.Nm screenblank 42.Nd screen saver daemon for wscons and FBIO machines 43.Sh SYNOPSIS 44.Nm screenblank 45.Op Fl k | Fl m 46.Op Fl d Ar inactivity-timeout 47.Op Fl e Ar wakeup-delay 48.Op Fl f Ar framebuffer 49.Op Fl i Ar input-device 50.Sh DESCRIPTION 51.Nm 52disables the framebuffer if the keyboard and mouse are idle for a period 53of time, and re-enables the framebuffer when keyboard or mouse activity 54resumes. 55.Pp 56When killed with a SIGINT, SIGHUP, or SIGTERM, 57.Nm 58will re-enable the framebuffer. The pid can be found in the file 59.Pa /var/run/screenblank.pid . 60.Pp 61The options are as follows: 62.Bl -tag -width indent 63.It Fl k 64Do not check the keyboard for activity. 65.It Fl m 66Do not check the mouse for activity. 67.It Fl d Ar inactivity-timeout 68Wait the number of seconds specified by 69.Ar inactivity-timeout , 70expressed in the format `xxx.xxx', before disabling the framebuffer due to 71inactivity. The default is 600 seconds (10 minutes). 72.It Fl e Ar wakeup-delay 73Wait the number of seconds specified by 74.Ar wakeup-delay , 75expressed in the format `xxx.xxx', before re-enabling the framebuffer once 76activity resumes. The default is .25 seconds. 77.It Fl f Ar framebuffer 78Use the framebuffer device 79.Ar framebuffer 80instead of the default 81.Pa /dev/fb . 82.It Fl i Ar input-device 83Add 84.Ar input-device 85to the list of devices to monitor for activity. 86.El 87.Pp 88Note that the 89.Fl k 90and 91.Fl m 92flags are mutually exclusive. 93.Sh FILES 94.Bl -tag -width "/var/run/screenblank.pid " 95.It /dev/kbd 96The keyboard device. 97.It /dev/mouse 98The mouse device. 99.It /dev/console 100The console device. 101.It /dev/fb 102The default framebuffer. 103.It /dev/wskbd 104The keyboard for wscons machines. 105.It /dev/wsmouse 106The mouse device for wscons machines. 107.It /dev/ttyE0 108The console device for wscons machines. 109.It /var/run/screenblank.pid 110File containing the pid of 111.Nm "" . 112.El 113