#!/bin/sh# SPDX-License-Identifier: GPL-2.0+## Parse arguments common to the various scripts.## . scripts/parseargs.sh## Include into other Linux kernel tools/memory-model scripts.## Copyright IBM Corporation, 2018## Author: Paul E. McKenney <paulmck@linux.ibm.com> T=/tmp/parseargs.sh.$$mkdir $T # Initialize one parameter: initparam name defaultinitparam () {	echo if test -z '"$'$1'"' > $T/s	echo then >> $T/s	echo	$1='"'$2'"' >> $T/s	echo	export $1 >> $T/s	echo fi >> $T/s	echo $1_DEF='$'$1  >> $T/s	. $T/s} initparam LKMM_DESTDIR "."initparam LKMM_HERD_OPTIONS "-conf linux-kernel.cfg"initparam LKMM_HW_MAP_FILE ""initparam LKMM_JOBS `getconf _NPROCESSORS_ONLN`initparam LKMM_PROCS "3"initparam LKMM_TIMEOUT "1m" scriptname=$0 usagehelp () {	echo "Usage $scriptname [ arguments ]"	echo "      --destdir path (place for .litmus.out, default by .litmus)"	echo "      --herdopts -conf linux-kernel.cfg ..."	echo "      --hw AArch64"	echo "      --jobs N (number of jobs, default one per CPU)"	echo "      --procs N (litmus tests with at most this many processes)"	echo "      --timeout N (herd7 timeout (e.g., 10s, 1m, 2hr, 1d, '')"	echo "Defaults: --destdir '$LKMM_DESTDIR_DEF' --herdopts '$LKMM_HERD_OPTIONS_DEF' --hw '$LKMM_HW_MAP_FILE' --jobs '$LKMM_JOBS_DEF' --procs '$LKMM_PROCS_DEF' --timeout '$LKMM_TIMEOUT_DEF'"	exit 1} usage () {	usagehelp 1>&2} # checkarg --argname argtype $# arg mustmatch cannotmatchcheckarg () {	if test $3 -le 1	then		echo $1 needs argument $2 matching \"$5\"		usage	fi	if echo "$4" | grep -q -e "$5"	then		:	else		echo $1 $2 \"$4\" must match \"$5\"		usage	fi	if echo "$4" | grep -q -e "$6"	then		echo $1 $2 \"$4\" must not match \"$6\"		usage	fi} while test $# -gt 0do	case "$1" in	--destdir)		checkarg --destdir "(path to directory)" "$#" "$2" '.\+' '^--'		LKMM_DESTDIR="$2"		mkdir $LKMM_DESTDIR > /dev/null 2>&1		if ! test -e "$LKMM_DESTDIR"		then			echo "Cannot create directory --destdir '$LKMM_DESTDIR'"			usage		fi		if test -d "$LKMM_DESTDIR" -a -x "$LKMM_DESTDIR"		then			:		else			echo "Directory --destdir '$LKMM_DESTDIR' insufficient permissions to create files"			usage		fi		shift		;;	--herdopts|--herdopt)		checkarg --destdir "(herd7 options)" "$#" "$2" '.*' '^--'		LKMM_HERD_OPTIONS="$2"		shift		;;	--hw)		checkarg --hw "(.map file architecture name)" "$#" "$2" '^[A-Za-z0-9_-]\+' '^--'		LKMM_HW_MAP_FILE="$2"		shift		;;	-j[1-9]*)		njobs="`echo $1 | sed -e 's/^-j//'`"		trailchars="`echo $njobs | sed -e 's/[0-9]\+\(.*\)$/\1/'`"		if test -n "$trailchars"		then			echo $1 trailing characters "'$trailchars'"			usagehelp		fi		LKMM_JOBS="`echo $njobs | sed -e 's/^\([0-9]\+\).*$/\1/'`"		;;	--jobs|--job|-j)		checkarg --jobs "(number)" "$#" "$2" '^[1-9][0-9]*$' '^--'		LKMM_JOBS="$2"		shift		;;	--procs|--proc)		checkarg --procs "(number)" "$#" "$2" '^[0-9]\+$' '^--'		LKMM_PROCS="$2"		shift		;;	--timeout)		checkarg --timeout "(timeout spec)" "$#" "$2" '^\([0-9]\+[smhd]\?\|\)$' '^--'		LKMM_TIMEOUT="$2"		shift		;;	--)		shift		break		;;	*)		echo Unknown argument $1		usage		;;	esac	shiftdoneif test -z "$LKMM_TIMEOUT"then	LKMM_TIMEOUT_CMD=""; export LKMM_TIMEOUT_CMDelse	LKMM_TIMEOUT_CMD="timeout $LKMM_TIMEOUT"; export LKMM_TIMEOUT_CMDfirm -rf $T