RFR: 8356173: Remove ThreadCritical [v2]

[Kim Barrett]

On Fri, 9 May 2025 18:53:08 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Not really crazy about the Deferred<> name and that change is still under consideration.
>> edit: I didn't realize it got checked in.
>
> Deferred<> doesn't help me because it still has to call the initialize function, which is the thing we don't want to have to call.

As I said in another comment, Windows appears to require a call to an initialization function.  So this seems
like a good candidate for Deferred<> to me, removing some relatively boiler-plate code.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25072#discussion_r2082468562