Test "signal: When the process receives a termination signal, it first terminates mcexec." on arm64

Change-Id: I1be32b991a45f0892146d93a9e6d6be9199faf59
Refs: #870

test/mng_mod/issues/870/arm64/result.log

@@ -0,0 +1,62 @@
+gcc -o CT2001 CT2001.c
+gcc -o CT2002 CT2002.c
+gcc -o CT2003 CT2003.c
+gcc -o CT2004 CT2004.c
+gcc -o CT2005 CT2005.c
+gcc -o CT2006 CT2006.c
+gcc -o CT2007 CT2007.c
+gcc -o CT2008 CT2008.c
+gcc -o CT2000 CT2000.c
+./CT200x.sh
+mcstop+release.sh ... done
+mcreboot.sh -c 4-15 -m 4G@0,4G@1,4G@2,4G@3 -O ... done
+/opt/stress_test/src /opt/repo/mckernel/test/mng_mod/issues/870/arm64
+SUCCESS kmsg
+SUCCESS clear_kmsg
+timeout -s 9 60  /opt/ppos//bin/mcexec  ./killit -t 4000 ./signalonread -nt 4 -nosignal 1> /tmp/dtest.log 2>&1
+SUCCESS mcexec
+SUCCESS mcexec ./killit -t 4000 ./signalonread -nt 4 -nosignal
+SUCCESS kmsg
+mck-mcexec.sh: WARNING: kmsg isn't empty
+=== kmsg begins ====
+[  0]: fileobj_free(ffff800042231040 ffff8007c3ec0580): free failed. -32
+[  0]: fileobj_free(ffff8000422d0020 ffff8007c3eca600): free failed. -32
+
+=== kmsg ends ====
+SUCCESS ioctl 40000000 1
+SUCCESS kmsg
+SUCCESS 0 processes found
+SUCCESS ioctl 40000000 2
+SUCCESS kmsg
+SUCCESS 0 threads found
+SUCCESS mcexec not found
+CT1001-2: OK
+/opt/repo/mckernel/test/mng_mod/issues/870/arm64
+2048+0 レコード入力
+2048+0 レコード出力
+2147483648 バイト (2.1 GB) コピーされました、 35.6169 秒、 60.3 MB/秒
+20:46:34.635060 test start, kill after 3 seconds
+20:46:37.675917 signal hanlder is called
+CT2001 OK
+vm.drop_caches = 3
+signal hanlder is called
+CT2002 OK
+20:47:01.644099 test start, kill after 3 seconds
+20:47:04.971801 child process terminated
+CT2003 OK
+vm.drop_caches = 3
+20:47:06.536037 test start, kill after 1 seconds
+20:47:09.644867 child process terminated
+CT2004 OK (3.108830)
+kill SIGURG
+kill SIGINT
+CT2005 OK
+vm.drop_caches = 3
+kill SIGURG
+CT2006 OK
+kill SIGTERM (ignored)
+kill SIGINT
+CT2007 OK
+vm.drop_caches = 3
+kill SIGTERM (ignored)
+CT2008 OK