On Thu, 28 Aug 2025 08:51:14 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 with a new target base due to a > merge or a rebase. The incremental webrev excludes the unrelated changes > brought in by the merge/rebase. The pull request contains 12 additional > commits since the last revision: > > - fixed copyright header > - merged master into branch > - moved repeating code into own method > - implementing feedback, adding missing errno checks, cleanup > - feedback > - general cleanup > - small refactoring > - Performance > - implementing feedback > - removed unrelated change > - ... and 2 more: https://git.openjdk.org/jdk/compare/1fc9f3a2...cc5f558a src/java.base/macosx/classes/sun/nio/ch/KQueue.java line 120: > 118: // rest default to zero > 119: > 120: // this do-while replaces restartable Future maintainers may ask what "replaces restartable" means, I think better to say that it calls kqueue if the syscall is interrupted (EINTR). ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25546#discussion_r2307431006
