RFR: 8305092: Improve Thread.sleep(millis, nanos) for sub-millisecond granularity [v9]

[Aleksey Shipilev]

On Thu, 20 Apr 2023 12:28:56 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Hm, "later" where? Because I see the call to `pthread_condwait_timed` right after we produced abstime using `nanos_to_nanos_bounded`, and this looks like the last opportunity to handle the `MAX_SECS` limit:
>> https://github.com/openjdk/jdk/pull/13225/files#diff-7daa601d72ef74e5281faf8256b537b4ec9c5e5c236b716902592da12fa2aad2R1582
>
> `to_abst_time` will call ` calc_rel_time` which checks for MAX_SECS.

I see, good! I dropped `nanos_to_nanos_bounded` locally, and I would re-merge from master once GHA-s are healthy again. Thanks!

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PR Review Comment: https://git.openjdk.org/jdk/pull/13225#discussion_r1172519235