#!/bin/sh##  Utility : rtlinux#   Author : Edgar F. Hilton#     Date : Nov. 18, 1999 and Sep 18, 2000# Warranty : GPL#   System : Linux 2.2.x kernels# # NOTE: # A full list of RTLinux modules must be edited into the "INSERT_LIST"# variable below in the proper sequence of insertion# insertion sequence for RTLinux modules (assume user modules will go last)RTL_MODULES_LIST=`rtl-config --modules`# usage messageusage (){    echo "USAGE: "    echo "     rtlinux {start|stop|status} [module(s)]"    echo    echo "EXAMPLES:"    echo     echo "                       To insert RTLinux only --> ./rtlinux start"    echo "               To remove RTLinux modules only --> ./rtlinux stop"    echo "              To check status of RTLinux only --> ./rtlinux status"    echo "     To insert RTLinux and foo{1,2}.o modules --> ./rtlinux start foo1 foo2"    echo "     To remove foo{1,2}.o and RTLinux modules --> ./rtlinux stop foo1 foo2"    echo "To check status of RTLinux and foo{1,2}.o modules --> ./rtlinux status foo1 foo2"    echo    echo "Copyright 2000, Finite State Machine Labs, Inc."    echo "Questions? Contact Edgar F. Hilton <efhilton@fsmlabs.com>"    echo}if [ $# -eq 0 ]; then    usage 1 1    exit 1else    COMMAND=$1fi# binary used to insert the modulesif [ -x /sbin/modprobe ]; then    MODPROBE="/sbin/modprobe -a"else    MODPROBE="`which modprobe` -a"    if [ ! -x $MODPROBE ]; then	echo "ERROR: 'modprobe' was not found in your path"	exit 1    fifiif [ -x /sbin/insmod ]; then    INSMOD=/sbin/insmodelse    INSMOD=`which insmod`    if [ ! -x $INSMOD ]; then	echo "ERROR: 'insmod' was not found in your path"	exit 1    fifi# binary used to remove the modulesif [ -x /sbin/rmmod ]; then    RMMOD="/sbin/rmmod -r"else    RMMOD="`which rmmod` -r"    if [ ! -x $RMMOD ]; then	echo "ERROR: 'rmmod' was not found in your path"	exit 1    fifi# binary used to list modulesif [ -x /sbin/lsmod ]; then    LSMOD=/sbin/lsmodelse    LSMOD=`which lsmod`    if [ ! -x $LSMOD ]; then	echo "ERROR: 'lsmod' was not found in your path"	exit 1    fifi# path to grepGREP=`which grep`if [ ! -x $GREP ]; then    echo "ERROR: 'grep' was not found in your path"    exit 1fi# add the user-specified module to the insert and remove list, respectivelyUSER_INS_LIST=""TOTAL_LIST=${RTL_MODULES_LIST}if [ $# -ge 2 ] ; then    shift 1    for modules in $@    do	TEMP=`echo $modules | sed -e s/"\.o"$//`	USER_INS_LIST="$USER_INS_LIST $TEMP.o"    donefi# reverse the USER_INS_LIST to create a removal sequence for user modulesUSER_DEL_LIST=""for modules in $USER_INS_LIST; do    TEMP=`echo $modules | sed -e s/"\.o"$//`    USER_DEL_LIST="$TEMP $USER_DEL_LIST"doneTOTAL_LIST="${USER_DEL_LIST} ${TOTAL_LIST}"# Do the heavy work...case "$COMMAND" in  start|insert)	${MODPROBE} ${RTL_MODULES_LIST}	for modules in $USER_INS_LIST	do           ${INSMOD}  $modules	done		$0 status ${USER_INS_LIST}	;;  stop|remove)	for modules in $USER_DEL_LIST	do	    MODINS=`${LSMOD} | ${GREP} ^$modules`	    if [ "$MODINS" ]; then		${RMMOD} $modules	    fi	done	for modules in ${RTL_MODULES_LIST}	do	    MODINS=`${LSMOD} | ${GREP} ^$modules`	    if [ "$MODINS" ]; then		${RMMOD} $modules	    fi	done	$0 status ${USER_DEL_LIST}	;;  status)	echo	echo "Scheme: (-) not loaded, (+) loaded"	for modules in $TOTAL_LIST	do	    MODINS=`${LSMOD} | ${GREP} ^$modules`	    if [ "$MODINS" ]; then		echo "  (+) $modules "	    else			echo "  (-) $modules "	    fi	done	;;  *)    usage 1 1    exit 1esac# Exit normallyechoexit 0