add sy6: locktest2

kern/test/synchtest.c

@@ -228,6 +228,26 @@ locktestthread(void *junk, unsigned long num)
 	V(donesem);
 }
 
+static
+void
+locktestthread2(void *junk, unsigned long num)
+{
+	int i;
+	(void)junk;
+	(void)num;
+	for (i=0; i<NLOCKLOOPS; i++) {
+		lock_acquire(testlock);
+
+		if (!lock_do_i_hold(testlock)) {
+			test_status = FAIL;
+		}
+		random_yielder(4);
+
+		lock_release(testlock);
+	}
+	V(donesem);
+}
+
 
 int
 locktest(int nargs, char **args)
@@ -257,6 +277,35 @@ locktest(int nargs, char **args)
 	return 0;
 }
 
+int
+locktest2(int nargs, char **args)
+{
+	int i, result;
+
+	(void)nargs;
+	(void)args;
+
+	inititems();
+	test_status = SUCCESS;
+	kprintf_n("Starting lock test 2...\n");
+
+	for (i=0; i<NTHREADS; i++) {
+		result = thread_fork("synchtest", NULL, locktestthread2, NULL, i);
+		if (result) {
+			panic("locktest: thread_fork failed: %s\n", strerror(result));
+		}
+	}
+	for (i=0; i<NTHREADS; i++) {
+		P(donesem);
+	}
+
+	kprintf_n("Lock test 2 done.\n");
+	success(test_status, SECRET, "sy2");
+	lock_release(testlock);
+
+	return 0;
+}
+
 static
 void
 cvtestthread(void *junk, unsigned long num)