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I believe this is what WASI is https://github.com/bytecodealliance/wasmtime/blob/main/docs/WASI-intro.md https://github.com/bytecodealliance/wasmtime/blob/main/

• moyix 4y ago
  Aha! Thanks. :) So it sounds like it's a new capability-based syscall interface, but they've ported big chunks of libc (specifically musl) to that interface so that a lot of things work.
  • peterhunt 4y ago
    Yes, that's my understanding, but I've never actually used it :)