Ping for this patch: https://patchew.org/QEMU/cabnabob99xzcbwswyqkkjt3amwzodazmtmm6ab7utvz._5fun._5f...@mail.gmail.com/
Though not used by recent(__FreeBSD_version >= 1200000) base libc, this syscall is used by concurrent (like the newest v4.0.2) cosmopolitan libc. Wrong emulation leads to things like python in superconfigure broken.
