RFR: 8327095: (ch) java/nio/channels/AsyncCloseAndInterrupt.java: improve error message when mkfifo fails [v6]

[Alan Bateman]

On Wed, 13 Mar 2024 17:40:27 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Add to the error message of the `IOException` thrown when the `mkfifo` command fails:
>> 
>> 1. the absolute path of the FIFO which was to have been created;
>> 2. the text read from the standard error stream of the process in which `mkfifo` was executed.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8327095: Use FFM instead of ProcessTools

This looks okay. If it fails sometime then I think we'll need to update it to capture errno.

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Marked as reviewed by alanb (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18072#pullrequestreview-1935120205