RFR: 8319447: Improve performance of delayed task handling [v2]

[Doug Lea]

On Fri, 21 Feb 2025 17:10:24 GMT, Viktor Klang <vklang at openjdk.org> wrote:

>> Doug Lea has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address feedback
>
> src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java line 146:
> 
>> 144:  * and invoke other {@linkplain ForkJoinTask ForkJoinTasks}. Delayed
>> 145:  * actions become <em>enabled</em> and behave as ordinary submitted
>> 146:  * tasks when their delays elapse.  schedule methods return
> 
> Suggestion:
> 
>  * tasks when their delays elapse. Scheduling methods return

done

> test/jdk/java/util/concurrent/CompletableFuture/CompletableFutureOrTimeoutExceptionallyTest.java line 50:
> 
>> 48:         var future = new CompletableFuture<>().orTimeout(12, TimeUnit.HOURS);
>> 49:         future.completeExceptionally(new RuntimeException("This is fine"));
>> 50:         while (delayer.getDelayedTaskCount() != 0) {
> 
> Might be good to start the test case asserting that the delayed task count is 0 (so there's no interference).

Thanks, done.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23702#discussion_r1966506690
PR Review Comment: https://git.openjdk.org/jdk/pull/23702#discussion_r1966506368