MAKEALL: Fix kill_children

When building in parallel, make sure that we look up the children
based on the the actual process group id instead of just assuming
that the MAKEALL pid is the process group id.

Also ensure that logs from incomplete builds are deleted in the
process.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>

MAKEALL

@@ -616,6 +616,13 @@ list_target() {
 donep="${LOG_DIR}/._done_"
 skipp="${LOG_DIR}/._skip_"
 
+build_target_killed() {
+	echo "Aborted $target build."
+	# Remove the logs for this board since it was aborted
+	rm -f ${LOG_DIR}/$target.MAKELOG ${LOG_DIR}/$target.ERR
+	exit
+}
+
 build_target() {
 	target=$1
 	build_idx=$2
@@ -628,6 +635,7 @@ build_target() {
 	if [ $BUILD_MANY == 1 ] ; then
 		output_dir="${OUTPUT_PREFIX}/${target}"
 		mkdir -p "${output_dir}"
+		trap build_target_killed TERM
 	else
 		output_dir="${OUTPUT_PREFIX}"
 	fi
@@ -646,6 +654,8 @@ build_target() {
 	fi
 
 	if [ $BUILD_MANY == 1 ] ; then
+		trap - TERM
+
 		${MAKE} -s tidy
 
 		if [ -s ${LOG_DIR}/${target}.ERR ] ; then
@@ -727,7 +737,9 @@ build_targets() {
 			if [ $BUILD_MANY == 1 ] ; then
 				build_target ${t} ${TOTAL_CNT} &
 			else
+				CUR_TGT="${t}"
 				build_target ${t} ${TOTAL_CNT}
+				CUR_TGT=''
 			fi
 		fi
 
@@ -751,7 +763,11 @@ build_targets() {
 #-----------------------------------------------------------------------
 
 kill_children() {
-	kill -- "-$1"
+	local pgid=`ps -p $$ --no-headers -o "%r" | tr -d ' '`
+	local children=`pgrep -g $pgid | grep -v $$ | grep -v $pgid`
+
+	kill $children 2> /dev/null
+	wait $children 2> /dev/null
 
 	exit
 }
@@ -759,6 +775,9 @@ kill_children() {
 print_stats() {
 	if [ "$ONLY_LIST" == 'y' ] ; then return ; fi
 
+	# Only count boards that completed
+	: $((TOTAL_CNT = `find ${skipp}* 2> /dev/null | wc -l`))
+
 	rm -f ${donep}* ${skipp}*
 
 	if [ $BUILD_MANY == 1 ] && [ -e "${OUTPUT_PREFIX}/ERR" ] ; then
@@ -768,6 +787,9 @@ print_stats() {
 		WRN_LIST=`grep -riwL error ${OUTPUT_PREFIX}/ERR/`
 		WRN_LIST=`for f in $WRN_LIST ; do echo -n " $(basename $f)" ; done`
 		WRN_CNT=`echo $WRN_LIST | wc -w | awk '{print $1}'`
+	else
+		# Remove the logs for any board that was interrupted
+		rm -f ${LOG_DIR}/${CUR_TGT}.MAKELOG ${LOG_DIR}/${CUR_TGT}.ERR
 	fi
 
 	echo ""
@@ -782,7 +804,7 @@ print_stats() {
 	echo "----------------------------------------------------------"
 
 	if [ $BUILD_MANY == 1 ] ; then
-		kill_children $$ &
+		kill_children
 	fi
 
 	exit $RC