RFR: 8290732: JNI DestroyJavaVM can start shutdown when one non-daemon thread remains [v3]

[David Holmes]

On Tue, 9 Aug 2022 09:31:59 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> David Holmes has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fixed `if` block indentation per Magnus's request
>
> Hi David,
> 
> that was interesting. I always thought you have to detach before destroying the VM.
> 
> I looked into https://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/invocation.html and it says:
> 
> "Detaching from the VM: A native thread attached to the VM must call DetachCurrentThread() to detach itself before exiting."
> 
> Cheers, Thomas

Thanks for looking at this @tstuefe and @magicus

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PR: https://git.openjdk.org/jdk/pull/9803