> As we advance, converting older JDK code to use the relatively new FFM API > requires system calls that can provide `errno` and the likes to explicitly > allocate a MemorySegment to capture potential error states. This can lead to > negative performance implications if not designed carefully and also > introduces unnecessary code complexity. > > Hence, this PR proposes adding a JDK internal method handle adapter that can > be used to handle system calls with `errno`, `GetLastError`, and > `WSAGetLastError`. > > It relies on an efficient carrier-thread-local cache of memory regions to > allide allocations.
Per Minborg has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 48 commits: - Simplify equals method - Use modern switch - Merge branch 'master' into errno-util3b - Address comments - Fix empty line at the end of a third file - Fix empty line at the end of another file - Fix empty line at the end of a file - Reformat more - Reformat - Use stable values - ... and 38 more: https://git.openjdk.org/jdk/compare/21f01e0c...f9511b88 ------------- Changes: https://git.openjdk.org/jdk/pull/25043/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25043&range=04 Stats: 818 lines in 9 files changed: 804 ins; 0 del; 14 mod Patch: https://git.openjdk.org/jdk/pull/25043.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25043/head:pull/25043 PR: https://git.openjdk.org/jdk/pull/25043
