RFR: 8352392: AIX: implement attach API v2 and streaming output

[Joachim Kern]

On Sun, 23 Mar 2025 14:33:36 GMT, Varada M <varadam at openjdk.org> wrote:

> AIX changes for attach API to support arbitrary length arguments and the streaming output support. 
> serviceability/attach/AttachAPIv2/StreamingOutputTest.java test passes
> 
> tier1, tier2 and tier3 testing is successful with fastdebug level
> 
> JBS Issue : [JDK-8352392](https://bugs.openjdk.org/browse/JDK-8352392)

Hi Varada, it looks to me that with your change you've brought the AIX code closer to the POSIX implementation, but not completely. Could you please explain your changes in detail so I can review the PR? I'm not that familiar with this.

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PR Comment: https://git.openjdk.org/jdk/pull/24177#issuecomment-2748211872