RFR(XS) 8055236: Deadlock during NMT2 shutdown on Windows

[Yumin Qi]

Look good!

Thanks
Yumin

On 8/20/2014 6:21 AM, Zhengyu Gu wrote:
> The problem is caused by acquiring locks inside 
> MemTracker::shutdown(), which could be held by threads that have been 
> already killed.
>
> Given the MemTracker::shutdown() call is on JVM exiting path, the call 
> is not necessary, should be removed.
>
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8055236
> Webrev: http://cr.openjdk.java.net/~zgu/8055236/webrev.00/ 
> <http://cr.openjdk.java.net/%7Ezgu/8055236/webrev.00/>
>
>
> Test:
>    Tested on Windows x64 with following tests:
>      nsk/jvmti/scenarios/allocation
>      runtime/ParallelClassLoading
>
>
> Thanks,
>
> -Zhengyu
>