RFR: 8344197: SM cleanup in java.util.concurrent [v3]

[Doug Lea]

On Fri, 15 Nov 2024 17:46:07 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> Refactored to remove use of doPrivileged() and use of SecurityManager.
>> The DefaultForkJoinWorkerThreadFactory no longer uses the SM to target a common thread pool.
>> 
>> A careful review is requested.
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove additional package access checks in AtomicLongFieldUpdater and AtomicReferenceFieldUpdater

These now look OK to me too. 

A side question: Are there now any situations in which Thread.interrupt can throw an exception? If not, a few more things in j.u.c and elsewhere could be simplified someday.

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Marked as reviewed by dl (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22119#pullrequestreview-2439532591