https://android.googlesource.com/platform/prebuilts/renderscript/host/linux-x86/+/68a0a1ddacb81c97d718f46ad464a3851d0b67af/25.0.2/clang-include/stdatomic.h
25.0.2/clang-include/stdatomic.h - platform/prebuilts/renderscript/host/linux-x86 - Git at Google
https://www.openwall.com/lists/musl/2015/12/15/1
musl - Re: stdatomic implementation
muslimplementation