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by brabel
2028 days ago
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WASM runs in a sandbox, it's not possible to call a shared library directly in the same way as you do in C... all sys calls are "imported" functions that a host exposes to the WASM code running... this host has the ability to do anything around a sys call, which is likely how they manage to forbid access to network/filesystem for example. The host can be the browser when running on the browser, or it can be one of the WASM runtimes (wasmtime, wasmer, Lucet) |
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