RFR: 8345052: Harden StampedLock [v2]

[Viktor Klang]

On Thu, 28 Nov 2024 12:25:28 GMT, Doug Lea <dl at openjdk.org> wrote:

>> This applies the same kinds of recovery on OOME (by spinning) and JVM Exceptions (by cancelling) seen in AQS.
>
> Doug Lea has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'openjdk:master' into JDK-8345052
>  - Add fall-back on OOME, cancel on JVM exceptions

I ran a 10k repetition run of the test in this PR and it's all green.

I'm running some final tests just to be on the safe side, and I'll let you know if it's safe to integrate.

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Marked as reviewed by vklang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22396#pullrequestreview-2468505589