hotspot/test/serviceability/jvmti/GetOwnedMonitorInfo/GetOwnedMonitorInfoTest.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/jvmti/GetOwnedMonitorInfo/GetOwnedMonitorInfoTest.java Mon Aug 07 12:34:21 2017 -0700
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/**
+ * @test
+ * @bug 8185164
+ * @summary Checks that a contended monitor does not show up in the list of owned monitors
+ * @compile GetOwnedMonitorInfoTest.java
+ * @run main/othervm/native -agentlib:GetOwnedMonitorInfoTest GetOwnedMonitorInfoTest
+ */
+
+import java.io.PrintStream;
+
+public class GetOwnedMonitorInfoTest {
+
+ static {
+ try {
+ System.loadLibrary("GetOwnedMonitorInfoTest");
+ } catch (UnsatisfiedLinkError ule) {
+ System.err.println("Could not load GetOwnedMonitorInfoTest library");
+ System.err.println("java.library.path: "
+ + System.getProperty("java.library.path"));
+ throw ule;
+ }
+ }
+
+ private static native int check();
+ private static native boolean hasEventPosted();
+
+ public static void main(String[] args) throws Exception {
+ final GetOwnedMonitorInfoTest lock = new GetOwnedMonitorInfoTest();
+
+ Thread t1 = new Thread(() -> {
+ synchronized (lock) {
+ System.out.println("Thread in sync section: "
+ + Thread.currentThread().getName());
+ }
+ });
+
+ // Make sure t1 contends on the monitor.
+ synchronized (lock) {
+ System.out.println("Main starting worker thread.");
+ t1.start();
+
+ // Wait for the MonitorContendedEnter event
+ while (!hasEventPosted()) {
+ System.out.println("Main waiting for event.");
+ Thread.sleep(100);
+ }
+ }
+
+ t1.join();
+
+ if (check() != 0) {
+ throw new RuntimeException("FAILED status returned from the agent");
+ }
+ }
+}