On Sat, 26 Jul 2025 07:46:25 GMT, ExE Boss <d...@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. > > src/java.base/macosx/classes/sun/nio/ch/KQueuePoller.java line 44: > >> 42: >> 43: KQueuePoller(boolean subPoller, boolean read) throws IOException { >> 44: this.kqfd = kqueue_h.kqueue(); > > Note that the old implementation of `KQueue.create()` had a check for > negative `kqfd`: > <https://github.com/openjdk/jdk/blob/d288ca28be7bfba3abe9f54cefbe53e73c25707e/src/java.base/macosx/native/libnio/ch/KQueue.c#L63-L71>
Sorry for the delay in getting back to this, thanks for the comment though! I'll update the PR to include that again ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25546#discussion_r2269512920