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8068774: CounterMonitorDeadlockTest.java timed out

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Reviewed-by: jbachorik, dfuchs
This commit is contained in:
Shanliang Jiang 2015-01-13 14:35:39 +01:00
parent e268dee361
commit cf89eaf43d
1 changed files with 4 additions and 7 deletions
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11
jdk/test/javax/management/monitor/CounterMonitorDeadlockTest.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2015, 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
@ -37,7 +37,6 @@
import java.lang.management.ManagementFactory;
import java.util.concurrent.atomic.AtomicInteger;
import javax.management.Attribute;
import javax.management.JMX;
import javax.management.MBeanServer;
import javax.management.Notification;
@ -95,18 +94,16 @@ public class CounterMonitorDeadlockTest {
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
monitorProxy.start();
final int initGetCount = observedProxy.getGetCount();
int getCount;
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((getCount=observedProxy.getGetCount()) == initGetCount);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
if (getCount <= initGetCount)
throw new Exception("Test failed: presumable deadlock");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and