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Note that the "safepointing" logic is exactly the same thing that's needed in refcounting to atomic replace a field. This article glosses over what I consider

• pizlonator 1y ago
  > Note that the "safepointing" logic is exactly the same thing that's needed in refcounting to atomic replace a field. No it's not, not even close. > This article glosses over what I consider the hardest part - the enter/exit functionality around native functions may that block (but which must touch the allocator). Yeah, that part is hard, and maybe I'll describe it in another post. Look for `filc_enter` and `filc_exit` in https://github.com/pizlonator/fil-c/blob/deluge/libpas/src/libpas/filc_runtime.c https://github.com/pizlonator/fil-c/blob/deluge/libpas/src/l...