RFR: 8347408: Create an internal method handle adapter for system calls with errno [v4]

[Per Minborg]

On Wed, 7 May 2025 03:19:53 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address comments
>
> src/java.base/share/classes/jdk/internal/foreign/CaptureStateUtil.java line 78:
> 
>> 76:                 inputs.add(new BasicKey(c, layout.name().orElseThrow()));
>> 77:             }
>> 78:         }
> 
> Suggestion:
> 
>         for (MemoryLayout layout : CAPTURE_LAYOUT.memberLayouts()) {
>             String name = layout.name().orElseThrow();
>             inputs.add(new BasicKey(int.class, name));
>             inputs.add(new BasicKey(long.class, name));
>         }
> 
> There are only two classes, int.class and long.class, so this might be simpler.

I like the existing code better, but I'll guess that is a matter of taste.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25043#discussion_r2077145341