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8000456: Add programmatic deadlock detection in SSLEngineDeadlock

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Reviewed-by: wetmore
This commit is contained in:
Xue-Lei Andrew Fan 2013-06-18 18:50:13 -07:00
parent 4eeb7e8bc5
commit 7384a4704e
1 changed files with 23 additions and 5 deletions
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28
jdk/test/sun/security/ssl/com/sun/net/ssl/internal/ssl/SSLEngineImpl/SSLEngineDeadlock.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2007, 2013, 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
@ -21,15 +21,14 @@
* questions.
*/
// SunJSSE does not support dynamic system properties, no way to re-use
// system properties in samevm/agentvm mode.
/*
* @test
* @bug 6492872
* @summary Deadlock in SSLEngine
* @run main/othervm SSLEngineDeadlock
*
* SunJSSE does not support dynamic system properties, no way to re-use
* system properties in samevm/agentvm mode.
*
* @author Brad R. Wetmore
*/
@ -74,6 +73,7 @@ import javax.net.ssl.SSLEngineResult.*;
import java.io.*;
import java.security.*;
import java.nio.*;
import java.lang.management.*;
public class SSLEngineDeadlock {
@ -144,6 +144,8 @@ public class SSLEngineDeadlock {
}
SSLEngineDeadlock test = new SSLEngineDeadlock();
test.runTest();
detectDeadLock();
}
System.out.println("Test Passed.");
}
@ -360,6 +362,22 @@ public class SSLEngineDeadlock {
b.limit(b.capacity());
}
/*
* Detect dead lock
*/
private static void detectDeadLock() throws Exception {
ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
long[] threadIds = threadBean.findDeadlockedThreads();
if (threadIds != null && threadIds.length != 0) {
for (long id : threadIds) {
ThreadInfo info =
threadBean.getThreadInfo(id, Integer.MAX_VALUE);
System.out.println("Deadlocked ThreadInfo: " + info);
}
throw new Exception("Found Deadlock!");
}
}
/*
* Logging code
*/