fork: memory leak detection test.

Change-Id: I9c64f8fdaee15642b3d1d2d7d869927b0bcd6511

test/signalonfork+wait/run.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# run.sh COPYRIGHT FUJITSU LIMITED 2019
+test_dir=$(dirname "${BASH_SOURCE[0]}")
+
+#
+# read config
+#
+. "${test_dir}/../common.sh"
+
+#
+# init
+#
+echo "@@@ initialize:"
+seed="$RANDOM"
+RANDOM=$seed
+echo "seed for \$RANDOM=$seed"
+
+meminfo="/sys/devices/virtual/mcos/mcos0/sys/devices/system/node/node0/meminfo"
+"${MCEXEC}" 0 ./signalonfork_wait -nt 1 -t $((1000*5)) >/dev/null
+sleep 1
+exp_free_mem=`cat "$meminfo" | grep MemFree:`
+
+#
+# run
+#
+nr_loop=1000
+echo "@@@ run signalonfork_wait: 1..$nr_loop"
+for i in `seq 1 $nr_loop`
+do
+	echo -n "."
+	new_line=$(($i % 100))
+	if [ $new_line -eq 0 ]; then
+		echo ""
+	fi
+
+	msec=$((1000 + $RANDOM % 500))
+	"${MCEXEC}" 0 ./signalonfork_wait -nt 1 -t $msec >/dev/null
+	sleep 1
+	free_mem=`cat "$meminfo" | grep MemFree:`
+	if [ "$exp_free_mem" != "$free_mem" ]; then
+		echo ""
+		echo "NG[$i]: detected memory leak."
+		echo "before:"
+		echo "  ${exp_free_mem}"
+		echo "after:"
+		echo "  ${free_mem}"
+		exit -1
+	fi
+done
+echo ""
+echo "OK"
+exit 0