88 lines
2.6 KiB
Groff
88 lines
2.6 KiB
Groff
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.TH forktest 6 "8 April 1998" "Svgalib 1.3.0" "Svgalib User Manual"
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.SH NAME
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forktest \- tests the vga_safety_fork() function.
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.SH SYNOPSIS
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.B forktest
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.SH DESCRIPTION
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This is a copy of the
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.BR keytest (6)
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demo (look there). However, it uses
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.BR vga_safety_fork (3)
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to start a background process to restore the
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console in case the fore ground process crashes. It removes all
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automatic restore functions of svgalib. Thus, in case you kill
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this program with
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.BR kill (1)
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or
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.BR <Ctrl>-C ,
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only the background process will
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save your system from being hosed up.
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You can set a videomode
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to use by setting the environment variable
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.B SVGALIB_DEFAULT_MODE
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to a number (see vgatest
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for a list) or a string like G0x1x2 where you replace 0 with desired x
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resolution, 1 with the desired y rez, and 2 with the desired number of
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colors (2, 16, 256, 32K, 64K, 16M, 16M4). Again, only certain choices are
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available, see vgatest for a list.
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In case nothing is selected, G320x200x256 is choosen.
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This demo is part of svgalib and can be found in the
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.I demos/
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subdirectory of the original svgalib distribution. However, it is not installed in the system
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by default, s.t. it is unclear where you can find it if your svgalib was installed by some
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linux distribution. Even then, when you have the demo on your system, you probably won't have
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the sources s.t. it is only of limited use for you.
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In case of any such problem, simply get an svgalib distribution from the net. You even
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don't need to install it. Just
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.B make
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in the
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.I demos/
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subdirecty. As of this writing,
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.I svgalib-1.2.12.tar.gz is the latest version and can be retrieved by ftp from
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.IR "sunsite.unc.edu" " at " "/pub/Linux/libs/graphics"
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and
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.IR "tsx-11.mit.edu" " at " "/pub/linux/sources/libs"
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which will most probably be mirrored by a site close to you.
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.SH SEE ALSO
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.BR svgalib (7),
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.BR vgagl (7),
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.BR libvga.config (5),
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.BR vga_safety_fork (3),
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.BR threed (6),
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.BR accel (6),
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.BR bg_test (6),
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.BR eventtest (6),
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.BR fun (6),
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.BR keytest (6),
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.BR mousetest (6),
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.BR scrolltest (6),
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.BR speedtest (6),
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.BR spin (6),
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.BR testaccel (6),
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.BR testgl (6),
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.BR testlinear (6),
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.BR vgatest (6),
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.BR plane (6),
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.BR wrapdemo (6)
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.SH AUTHOR
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This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The
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exact source of the referenced demo as well as of the original documentation is
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unknown.
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It is very likely that both are at least to some extent are due to
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Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
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Occasionally this might be wrong. I hereby
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asked to be excused by the original author and will happily accept any additions or corrections
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to this first version of the svgalib manual.
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