From: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>

The "--jobs" argument to the litmus-test scripts is similar to the "-jN"
argument to "make", so this commit allows the "-jN" form as well.  While
in the area, it also prohibits the various forms of "-j0".

Suggested-by: Alan Stern <st...@rowland.harvard.edu>
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
---
 tools/memory-model/scripts/parseargs.sh | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/tools/memory-model/scripts/parseargs.sh 
b/tools/memory-model/scripts/parseargs.sh
index 96b307c8d64a..859e1d581e05 100755
--- a/tools/memory-model/scripts/parseargs.sh
+++ b/tools/memory-model/scripts/parseargs.sh
@@ -95,8 +95,18 @@ do
                LKMM_HERD_OPTIONS="$2"
                shift
                ;;
-       --jobs|--job)
-               checkarg --jobs "(number)" "$#" "$2" '^[0-9]\+$' '^--'
+       -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
                ;;
-- 
2.17.1

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