On Tue, 26 Aug 2025 16:04:56 GMT, Darragh Clarke <dcla...@openjdk.org> wrote:

>> This PR aims to Panamize the Java Kqueue implementation, This is based on 
>> the work that was previously shared in 
>> https://github.com/openjdk/jdk/pull/22307 , The main change since then is 
>> that this branch takes advantage of the changes made in 
>> https://github.com/openjdk/jdk/pull/25043 to allow for better performance 
>> during errno handling.
>> 
>> These changes feature a lot of Jextract generated files, though alterations 
>> have been made in relation to Errno handling and performance improvements.
>> 
>> I will update this description soon to include performance metrics on a few 
>> microbenchmarks, though currently it's roughly 2% to 3% slower with the 
>> changes, which is somewhat expected, though there are still a few ideas of 
>> possible performance improvements that could be tried. Any suggestions or 
>> comments in that area are more than welcome however.
>
> Darragh Clarke has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   moved repeating code into own method

src/java.base/macosx/classes/sun/nio/ch/KQueuePoller.java line 76:

> 74:         int i = 0;
> 75:         while (i < n) {
> 76:             MemorySegment eventMS = KQueue.getEvent(pollArray, i);

Nit: Can we call these variables `eventSegment`? My reptile part of the brain 
first read "event in milliseconds".

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PR Review Comment: https://git.openjdk.org/jdk/pull/25546#discussion_r2303289065

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