2362N/A * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * @summary Basic unit test of the synchronization statistics support: 0N/A * @author Mandy Chung 0N/A * @run main SynchronizationStatistics 0N/A "Thread Contention Monitoring is not enabled");
0N/A // Start the threads and check them in Blocked and Waiting states 0N/A // wait until the examiner acquires all the locks and waiting 0N/A // for the BlockedThread to start 0N/A "is waiting to begin.");
0N/A // The Examiner should be waiting to be notified by the BlockedThread 0N/A ". Expected to be " + s);
0N/A ". Expected to be " +
s1 +
" or " +
s2);
0N/A // give a chance for the examiner thread to really wait 0N/A // wait until the examiner waits on the semaphore 0N/A // notify examinerabout to wait on a monitor 0N/A // notify examiner about to block on lockA 0N/A A();
// Expected blocked count = 1 0N/A // notify examiner about to block on lockB 0N/A B();
// Expected blocked count = 2 0N/A // notify examiner about to block on lockC 0N/A C();
// Expected blocked count = 3 0N/A // notify examiner about to block on lockD 0N/A D();
// Expected blocked count = 4 0N/A // throw an exception if blockedTime and expectedTime 0N/A // differs > percent% 0N/A // minimum range = 2 ms 0N/A ". Expected to be " + s);
0N/A // notify main thread to continue 0N/A // wait until BlockedThread has started 0N/A // wait until BlockedThread to block on lockB 0N/A // wait until BlockedThread to block on lockC 0N/A // wait until BlockedThread to block on lockD 0N/A // wait until BlockedThread about to call E() 0N/A // BlockedThread will wait on waiter for 3 times 0N/A // wait until the examiner is waiting for 0N/A // give a chance for the examiner thread to really wait