> 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 incrementally with one additional commit since the last revision: Address comments ------------- Changes: - all: https://git.openjdk.org/jdk/pull/25043/files - new: https://git.openjdk.org/jdk/pull/25043/files/07a39db9..6b26ef6a Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=25043&range=03 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25043&range=02-03 Stats: 17 lines in 3 files changed: 10 ins; 0 del; 7 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
