short_load

来自「LINUX设备驱动程序第二版配套源码 第一版的内容」· 代码 · 共 39 行

#!/bin/sh
module="short"
device="short"
group="wheel"
mode="664"

# invoke insmod with all arguments we got
/sbin/insmod -f $module $* || exit 1

major=`cat /proc/devices | awk "\\$2==\"$module\" {print \\$1}"`

rm -f /dev/${device}[0-3]
mknod /dev/${device}0 c $major 0
mknod /dev/${device}1 c $major 1
mknod /dev/${device}2 c $major 2
mknod /dev/${device}3 c $major 3

rm -f /dev/${device}[0-3][ps]
mknod /dev/${device}0p c $major 16
mknod /dev/${device}1p c $major 17
mknod /dev/${device}2p c $major 18
mknod /dev/${device}3p c $major 19
mknod /dev/${device}0s c $major 32
mknod /dev/${device}1s c $major 33
mknod /dev/${device}2s c $major 34
mknod /dev/${device}3s c $major 35

rm -f /dev/${device}int
mknod /dev/${device}int  c $major 128

chgrp $group /dev/${device}[0-3] /dev/${device}[0-3][ps] /dev/${device}int
chmod $mode  /dev/${device}[0-3] /dev/${device}[0-3][ps] /dev/${device}int