RFR: 8338383: Implement JEP 491: Synchronize Virtual Threads without Pinning

[Patricio Chilano Mateo]

On Fri, 25 Oct 2024 21:28:22 GMT, Patricio Chilano Mateo <pchilanomate at openjdk.org> wrote:

>> If it's always the current thread, then it should be called 'current' imo.
>
> I see that in lightweightSynchronizer.cpp we already use the name `locking_thread` (although `LightweightSynchronizer::inflate_into_object_header` still uses `inflating_thread`). So how about using `locking_thread` instead? I can fix `LightweightSynchronizer::inflate_into_object_header` too.

> If it's always the current thread, then it should be called 'current' imo.
>
The inflating thread is always the current one but it's not always equal to `inflating_thread`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21565#discussion_r1817389882