On Fri, May 16, 2025 at 09:05:47AM -0400, Rich Felker wrote: > In general, raw kernel interfaces do not conform to any version of > POSIX; they're just a low-impedance-mismatch set of inferfaces that > facilitate implementing POSIX at the userspace libc layer. So I don't > think this should be documented as "Linux doesn't conform" but > (hopefully, once glibc fixes this) "old versions of glibc did not > conform". If glibc maintainers want to deal with breaking userspace, then as a kernel developer, I'm happy to let them deal with the angry/disappointed users and application programmers. :-) - Ted