add strace test cases and test result

test/strace/strace/test2.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+if [ ! -f test2 ]; then
+	gcc -o test2 test2.c
+fi
+
+rm -f check.log
+$MCEXEC strace  -e trace=process -f -o check.log ./test2
+
+awk 'BEGIN{st=0;ng=0; ok=0; print "*** test2 start"}
+/execve/{
+	st++
+	if ($0 ~/ = 0$/) {
+		print "test2-" st " execve OK"
+		ok++
+	}
+	else {
+		print "test2-" st " execve NG"
+		ng++
+	}
+}
+/clone/{
+	st++
+	if ($0 ~/ = [1-9][0-9]*$/) {
+		print "test2-" st " fork OK"
+		ok++
+	}
+	else {
+		print "test2-" st " fork NG"
+		ng++
+	}
+}
+/wait4/{
+	st++
+	if ($0 ~/ = [1-9][0-9]*$/) {
+		print "test2-" st " wait OK"
+		ok++
+	}
+	else {
+		print "test2-" st " wait NG"
+		ng++
+	}
+}
+/SIGCHLD {/{
+	st++
+	print "test2-" st " SIGCHLD OK"
+	ok++
+	sigchld = 1
+}
+END {
+	if (sigchld != 1) {
+		st++
+		print "test2-" st " SIGCHLD NG"
+		ng++
+	}
+	printf("*** test2 end ok=%d ng=%d\n", ok, ng)
+	exit(ng)
+}' check.log
+
+rm -f check.log test2