d33036a3b5
The fix contains an errno remapping in macOS case where in case when we try to rename a file into a path with a trailing slash an ENOENT is returned. In this case, if the destination does not exist, an ENOTDIR should be thrown as is thrown correctly on Linux hosts. Thus, as a fix, if an ENOENT is thrown, an additional check is performed to see whether the destination path indeed contains a trailing slash, and if so, the errno is adjusted to ENOTDIR to match the POSIX/WASI spec.
wasi-common
This repo will ultimately serve as a library providing a common implementation of WASI hostcalls for re-use in any WASI (and potentially non-WASI) runtimes such as Wasmtime and Lucet.
The library is an adaption of lucet-wasi crate from the Lucet project, and it is currently based on 40ae1df git revision.
Please note that the library requires Rust compiler version at least 1.36.0.
Supported syscalls
*nix
In our *nix implementation, we currently support the entire WASI API with the exception of socket hostcalls:
sock_recvsock_sendsock_shutdown
We expect these to be implemented when network access is standardised.
We also currently do not support the proc_raise hostcall, as it is expected to
be dropped entirely from WASI.
Windows
In our Windows implementation, we currently support the minimal subset of WASI API which allows for running the very basic "Hello world!" style WASM apps. More coming shortly, so stay tuned!
Third-Party Code
Significant parts of our hostcall implementations are derived from the C implementations in
cloudabi-utils. See LICENSE.cloudabi-utils for license information.