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|
#!/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 $T
# Initialize one parameter: initparam name default
initparam () {
echo if test -z '"$'$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 cannotmatch
checkarg () {
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 0
do
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 $1
usage
;;
esac
shift
done
if test -z "$LKMM_TIMEOUT"
then
LKMM_TIMEOUT_CMD=""; export LKMM_TIMEOUT_CMD
else
LKMM_TIMEOUT_CMD="timeout $LKMM_TIMEOUT"; export LKMM_TIMEOUT_CMD
fi
rm -rf $T
|
