RFR: 8301736: jdk/incubator/concurrent/StructuredTaskScope/StructuredTaskScopeTest.java fail with -Xcomp

[Alan Bateman]

On Fri, 3 Feb 2023 07:41:24 GMT, SUN Guoyun <duke at openjdk.org> wrote:

>> test/jdk/jdk/incubator/concurrent/StructuredTaskScope/StructuredTaskScopeTest.java line 617:
>> 
>>> 615:         try (var scope = new StructuredTaskScope(null, factory)) {
>>> 616:             Future<String> future = scope.fork(() -> {
>>> 617:                 Thread.sleep(Duration.ofMillis(1000));
>> 
>> As a short term fix, this is okay, Duration.ofSeconds(2) might be a bit more robust. We are iterating on this API so there are test changes in the works, in this case we can change it to poll until the sub-task is parked before calling joinUntil with the interrupt status set.
>
> So do I change to  `Duration.ofSeconds(2)` or cancel this PR?

Go ahead with the change as this testInterruptJoinUntil isn't robust (as you've found with the -Xcomp runs). When we refresh the test we'll replace this part so that it poll the subtask until it is parked before testing joinUntil with the interrupt status set.

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PR: https://git.openjdk.org/jdk/pull/12398