RFR: 8277090 : jsr166 refresh for jdk19 [v2]

[Doug Lea]

On Tue, 3 May 2022 20:00:52 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Doug Lea has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address review comments
>
> src/java.base/share/classes/java/util/concurrent/ForkJoinWorkerThread.java line 76:
> 
>> 74:     ForkJoinWorkerThread(ThreadGroup group, ForkJoinPool pool,
>> 75:                          boolean useSystemClassLoader,
>> 76:                          boolean clearThreadLocals) {
> 
> It's tempting to toggle the sense of last boolean argument to be `preserveThreadLocals` for consistency (given the multiple toggles as the value is propagated from the newly added protected constructor), but which means toggling the value at the use sites that you may not wish to change.

Thanks. I changed param name to clearThreadLocals, which I think helps. I do need (only) one negation somewhere along these paths because internally clearing requires a set config bit.

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PR: https://git.openjdk.java.net/jdk/pull/8490