98 lines
3.3 KiB
Groff
98 lines
3.3 KiB
Groff
.\" $NetBSD: screenblank.1,v 1.1 1995/07/12 04:57:50 thorpej Exp $
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.\"
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.\" Copyright (c) 1995 Jason R. Thorpe.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed for the NetBSD Project
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.\" by Jason R. Thorpe.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd June 7, 1995
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.Dt SCREENBLANK 1
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.Os
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.Sh NAME
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.Nm screenblank
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.Nd screen saver daemon for the Sun 3 and SPARC
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.Sh SYNOPSIS
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.Nm screenblank
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.Op Fl k | Fl m
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.Op Fl d Ar timeout
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.Op Fl e Ar timeout
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.Op Fl f Ar framebuffer
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.Sh DESCRIPTION
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.Nm Screenblank
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disables the framebuffer if the keyboard and mouse are idle for a period
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of time, and re-enables the framebuffer when keyboard or mouse activity
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resumes.
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.Pp
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When killed with a SIGINT, SIGHUP, or SIGTERM,
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.Nm screenblank
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will re-enable the framebuffer. The pid can be found in the file
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.Pa /var/run/screenblank.pid .
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl k
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Do not check the keyboard for activity.
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.It Fl m
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Do not check the mouse for activity.
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.It Fl d Ar timeout
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Wait the number of seconds specified by
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.Ar timeout ,
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expressed in the format `xxx.xxx', before disabling the framebuffer due to
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inactivity. The default is 600 seconds (10 minutes).
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.It Fl e Ar timeout
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Wait the number of seconds specified by
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.Ar timeout ,
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expressed in the format `xxx.xxx', before re-enabling the framebuffer once
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activity resumes. The default is .25 seconds.
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.It Fl f Ar framebuffer
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Use the framebuffer device
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.Ar framebuffer
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instead of the default
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.Pa /dev/fb .
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.El
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.Pp
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Note that the
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.Fl k
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and
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.Fl m
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flags are mutually exclusive.
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.Sh FILES
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.Bl -tag -width "/var/run/screenblank.pid "
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.It /dev/kbd
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The keyboard device.
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.It /dev/mouse
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The mouse device.
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.It /dev/console
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The console device.
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.It /dev/fb
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The default framebuffer.
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.It /var/run/screenblank.pid
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File containing the pid of
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.Nm screenblank .
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.El
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