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Fil's Unbelievable Garbage Collector

(fil-c.org)
597 points pizlonator | 1 comments | 05 Sep 25 00:55 UTC | HN request time: 0.296s | source
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o11c ◴[05 Sep 25 03:44 UTC] No.45134804[source]▶
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 the hardest part - the enter/exit functionality around native functions may that block (but which must touch the allocator).

replies(1): >>45134826 #
1. pizlonator ◴[05 Sep 25 03:50 UTC] No.45134826[source]▶
> 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/l...