On Thu, 8 May 2025 07:54:17 GMT, Per Minborg <[email protected]> wrote:
>> 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:
>
> Remove class
src/java.base/share/classes/jdk/internal/foreign/CaptureStateUtil.java line 110:
> 108:
> 109: @Override
> 110: public int hashCode() {
isn't the default toString/hashCode/equals for records good enough? If these
overload are added for bootstrapping, please say so in a comment
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/25043#discussion_r2079206969
