RFR: 8359706: Add file descriptor count and maximum limit to VM.info [v7]

[Kieran Farrell]

On Tue, 20 Jan 2026 17:14:43 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

>> Kieran Farrell has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   relocate print out to SYSTEM section and remove AIX impl
>
> src/hotspot/os/windows/os_windows.cpp line 6262:
> 
>> 6260: 
>> 6261: void os::print_open_file_descriptors(outputStream* st) {
>> 6262:   // File descriptor counting not supported on Windows.
> 
> If you said "not implemented" here and in the other comment, it might be clearer that somebody could implement these if they build and test it.  Not supported sounds to me more like a reason we cannot do it.

Windows doesn't support UNIX-style file descriptors hence using the word 'supported', I've updated the AIX stub to say 'not implemented' however.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27971#discussion_r2709837631