fork: memory leak detection test.

Change-Id: I9c64f8fdaee15642b3d1d2d7d869927b0bcd6511

test/signalonfork+wait/run_error_injection.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+# run_error_injection.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:`
+injection="/sys/devices/virtual/mcos/mcos0/sys/kernel/debug/signalonfork_test"
+
+#
+# run
+#
+while read label eq val
+do
+	if [ -z "$label" ]; then
+		continue
+	fi
+	val=`echo "$val" | sed 's|,.*$||g'`
+
+	msec=$((1000 + $RANDOM % 500))
+	echo "$val" > "$injection"
+	echo "@@@ run signalonfork_wait($label, $val) wait=$msec"
+	"${MCEXEC}" 0 ./signalonfork_wait -nt 2 -t $msec > /dev/null
+	sleep 1
+	free_mem=`cat "$meminfo" | grep MemFree:`
+	if [ "$exp_free_mem" != "$free_mem" ]; then
+		echo "NG: detected memory leak."
+		echo "before:"
+		echo "  ${exp_free_mem}"
+		echo "after:"
+		echo "  ${free_mem}"
+		exit -1
+	fi
+done <<__EOL__
+	do_fork_release_cpuid_0                  = 0x010000,
+	do_fork_destroy_thread_0                 = 0x010100,
+	do_fork_destroy_thread_1                 = 0x010101,
+	do_fork_destroy_thread_2                 = 0x010102,
+	do_fork_release_ids_0                    = 0x010200,
+	do_fork_release_ids_1                    = 0x010201,
+	do_fork_free_mod_clone_arg_0             = 0x010300,
+	do_fork_free_mod_clone_arg_1             = 0x010301,
+
+	clone_thread_free_thread_0               = 0x020000,
+	clone_thread_free_thread_1               = 0x020001,
+	clone_thread_free_fp_regs_0              = 0x020100,
+	clone_thread_free_fp_regs_1              = 0x020101,
+	clone_thread_free_fork_process_proc_0    = 0x020200,
+	clone_thread_free_fork_process_proc_1    = 0x020201,
+	clone_thread_free_fork_process_asp_0     = 0x020300,
+	clone_thread_free_fork_process_vm_0      = 0x020400,
+	clone_thread_free_fork_process_cmdline_0 = 0x020500,
+	clone_thread_free_fork_process_cmdline_1 = 0x020501,
+	clone_thread_free_fork_process_mckfd_0   = 0x020600,
+	clone_thread_free_fork_clone_process_0   = 0x020700,
+	clone_thread_free_copy_user_ranges_0     = 0x020800,
+
+	copy_user_ranges_err_rollback_0          = 0x030000,
+__EOL__
+echo "OK"
+exit 0