RFR: 8283467: runtime/Thread/StopAtExit.java needs updating

[Daniel D.Daugherty]

On Tue, 22 Mar 2022 18:52:20 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> A small fix to convert the runtime/Thread/StopAtExit.java from using the
> java.lang.Thread.stop() method to using the JVM/TI StopThread() method.
> 
> This fix has been tested with Mach5 Tier[134567] (upper tiers in process)
> and StressWrapper_StopAtExit.java testing for 4 hours for each config {release,
> fastdebug,slowdebug}. No failures and no memory leaks were observed.

Merged with master to pickup the fix for:

JDK-8282952 Thread::exit should be immune to Thread.stop
https://bugs.openjdk.java.net/browse/JDK-8282952

Retesting with Mach5 Tier[13] which are still running.
Also doing a 30 minute stress run of my StressWrapper_StopAtExit.java
in {release,fastdebug,slowdebug} configs.

Could use a second reviewer for this test fix.

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PR: https://git.openjdk.java.net/jdk/pull/7910