RFR: 8369019: Improve timed-park mechanism in ObjectMonitor for virtual thread support [v3]

[Alan Bateman]

On Mon, 6 Oct 2025 22:30:21 GMT, Patricio Chilano Mateo <pchilanomate at openjdk.org> wrote:

>> test/jdk/java/lang/Thread/virtual/MonitorWaitNotify.java line 645:
>> 
>>> 643:     /**
>>> 644:      * Test no deadlock happens when Object.wait is called from a mix of pinned and non-pinned
>>> 645:      * paths and notification is done using notifyAll.
>> 
>> At some point then maybe we should combine this with RetryMonitorEnterWhenPinned. I'm not suggesting we do this now but some of the expanded description might be useful to include here as a passing reader might not immediately know what this test is doing.
>
> I wasn’t sure where to put the extra test and missed `RetryMonitorEnterWhenPinned.java`. I agree it makes more sense to have it there. Moved now, let me know what you think.

Thanks for moving to RetryMonitorEnterWhenPinned as it is similar to the test we had for enter. The update, and conversion to JUnit look good.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27597#discussion_r2423388839