On Sat, 3 Jan 2026 18:15:47 GMT, Martin Doerr <[email protected]> wrote:
>> Have you tried `jextract` on AIX? Does the generated code have the same >> `FunctionDescriptor`? > > No, I don't have `jextract` for AIX, but I think @varada1110 does. > The signature is `static int getpwuid_r(uid_t, struct passwd *, char *, > size_t, struct passwd **)` which essentially matches. (A possible problem may > be that `uid_t` is unsigned, but we're treating it as `int`. However, the > sign bit is 0 in my experiments. All parameters are passed in 64-bit > registers in which `int` gets sign extended.) > I have found `extern int _posix_getpwuid_r(uid_t, struct passwd *, char *, > int, struct passwd **)` which takes an `int` for the buffer length and that > functions works if I call it directly from Java (instead of the one above)! > Calling it through my C wrapper which uses the `size_t` also works as already > stated above. > I think the AIX specific investigation could be done in a separate issue if > the discussion is getting too long, here. Or I can call this `_posix_getpwuid_r` function in an `if (isAix())` block. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/28931#discussion_r2659080243
