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

[Alan Bateman]

On Fri, 3 Feb 2023 03:19:05 GMT, SUN Guoyun <duke at openjdk.org> wrote:

> Hi all,
> When `-Xcomp` be used, java thread to block for longer, then causing StructuredTaskScopeTest.java failed frequently on the AArch64 and LoongArch64 architecture.
> 
> This PR fix the issue, Please help review it.
> 
> Thanks.

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 until that the sub-tasks is parked before calling joinUntil with the interrupt status set.

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