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