RFR: 8336384: AbstractQueuedSynchronizer.acquire should cancel acquire when failing due to a LinkageError or other errors

[Alan Bateman]

On Mon, 12 Aug 2024 15:28:47 GMT, Doug Lea <dl at openjdk.org> wrote:

>> src/java.base/share/classes/java/util/concurrent/locks/AbstractQueuedLongSynchronizer.java line 381:
>> 
>>> 379:                     else
>>> 380:                         break;
>>> 381:                 } catch (Error ex) {            // rethrow VM errors
>> 
>> Part of me things this should be Throwable to allow for possible runtime exceptions when timed-parking virtual threads. There is a separate work needed to ensure a runtime exception is never throw but it would at least cancel here.
>
> Or use (Error | RuntimeException ex)?

That would be okay too as there are no checked exceptions here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20548#discussion_r1714039963