RFR: JDK-8315026: java/lang/ProcessHandle/TreeTest.java fails intermittent on AIX in TreeTest.test5 [v3]

[Joachim Kern]

On Tue, 10 Oct 2023 09:36:47 GMT, Joachim Kern <jkern at openjdk.org> wrote:

>> We see rather often failures in java/lang/ProcessHandle/TreeTest.java on AIX in TreeTest.test5.
>> The reason is: Previously the implementation based on the /proc file system lead to double pids in the child list; at least intermittent. Using the API getprocs64() instead I was able to eliminate those double pids (and increase the performance by a factor of 4). Otherwise we would have to add an algorithm to filter out the doubles after creating the raw list.
>
> Joachim Kern has updated the pull request incrementally with one additional commit since the last revision:
> 
>   cosmetic changes

I followed Rogers proposals.

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PR Comment: https://git.openjdk.org/jdk/pull/16051#issuecomment-1757400941