PageRenderTime 6ms CodeModel.GetById 1ms app.highlight 3ms RepoModel.GetById 1ms app.codeStats 0ms

/Documentation/s390/config3270.sh

https://bitbucket.org/evzijst/gittest
Shell | 76 lines | 53 code | 4 blank | 19 comment | 11 complexity | 6e875b246aa2137cf84ea0005b5edae0 MD5 | raw file
 1#!/bin/sh
 2#
 3# config3270 -- Autoconfigure /dev/3270/* and /etc/inittab
 4#
 5#       Usage:
 6#               config3270
 7#
 8#       Output:
 9#               /tmp/mkdev3270
10#
11#       Operation:
12#               1. Run this script
13#               2. Run the script it produces: /tmp/mkdev3270
14#               3. Issue "telinit q" or reboot, as appropriate.
15#
16P=/proc/tty/driver/tty3270
17ROOT=
18D=$ROOT/dev
19SUBD=3270
20TTY=$SUBD/tty
21TUB=$SUBD/tub
22SCR=$ROOT/tmp/mkdev3270
23SCRTMP=$SCR.a
24GETTYLINE=:2345:respawn:/sbin/mingetty
25INITTAB=$ROOT/etc/inittab
26NINITTAB=$ROOT/etc/NEWinittab
27OINITTAB=$ROOT/etc/OLDinittab
28ADDNOTE=\\"# Additional mingettys for the 3270/tty* driver, tub3270 ---\\"
29
30if ! ls $P > /dev/null 2>&1; then
31	modprobe tub3270 > /dev/null 2>&1
32fi
33ls $P > /dev/null 2>&1 || exit 1
34
35# Initialize two files, one for /dev/3270 commands and one
36# to replace the /etc/inittab file (old one saved in OLDinittab)
37echo "#!/bin/sh" > $SCR || exit 1
38echo " " >> $SCR
39echo "# Script built by /sbin/config3270" >> $SCR
40if [ ! -d /dev/dasd ]; then
41	echo rm -rf "$D/$SUBD/*" >> $SCR
42fi
43echo "grep -v $TTY $INITTAB > $NINITTAB" > $SCRTMP || exit 1
44echo "echo $ADDNOTE >> $NINITTAB" >> $SCRTMP
45if [ ! -d /dev/dasd ]; then
46	echo mkdir -p $D/$SUBD >> $SCR
47fi
48
49# Now query the tub3270 driver for 3270 device information
50# and add appropriate mknod and mingetty lines to our files
51echo what=config > $P
52while read devno maj min;do
53	if [ $min = 0 ]; then
54		fsmaj=$maj
55		if [ ! -d /dev/dasd ]; then
56			echo mknod $D/$TUB c $fsmaj 0 >> $SCR
57			echo chmod 666 $D/$TUB >> $SCR
58		fi
59	elif [ $maj = CONSOLE ]; then
60		if [ ! -d /dev/dasd ]; then
61			echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR
62		fi
63	else
64		if [ ! -d /dev/dasd ]; then
65			echo mknod $D/$TTY$devno c $maj $min >>$SCR
66			echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR
67		fi
68		echo "echo t$min$GETTYLINE $TTY$devno >> $NINITTAB" >> $SCRTMP
69	fi
70done < $P
71
72echo mv $INITTAB $OINITTAB >> $SCRTMP || exit 1
73echo mv $NINITTAB $INITTAB >> $SCRTMP
74cat $SCRTMP >> $SCR
75rm $SCRTMP
76exit 0