RFR: 8335480: Only deoptimize threads if needed when closing shared arena [v3]

[Uwe Schindler]

On Mon, 15 Jul 2024 16:40:06 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> > So +1 to merge this and hopefully backport it at least to 21?
> 
> Backport to 21 is difficult, given the handshake code there is different (and, FFM is preview there). But, might be more possible for 22. I have notified Roland re. the `int` problem, will update once I know more about the nature of this issue.

Ah I remember: the tristate! All fine.

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PR Comment: https://git.openjdk.org/jdk/pull/20158#issuecomment-2228943554