RFR: 8361495: (fc) Async close of streams connected to uninterruptible FileChannel doesn't throw AsynchronousCloseException in all cases [v6]

[Brian Burkhalter]

On Tue, 26 Aug 2025 16:25:51 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Throw `AsynchronousCloseException` from `FileChannelImpl` methods if the channel is uninterruptible and was closed before the method (operation) could complete.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8361495: More test improvement

CI tier 1-3 jobs passed on the usual OSes.

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PR Comment: https://git.openjdk.org/jdk/pull/26435#issuecomment-3228685437