Files

Dan Gohman 918debfe59 Stop returning NOTCAPABLE errors from WASI calls. (#4666 )

* Stop returning `NOTCAPABLE` errors from WASI calls.

`ENOTCAPABLE` was an error code that is used as part of the rights
system, from CloudABI. There is a set of flags associated with each file
descriptor listing which operations can be performed with the file
descriptor, and if an attempt is made to perform an operation with a
file descriptor that isn't permitted by its rights flags, it fails with
`ENOTCAPABLE`.

WASI is removing the rights system. For example, WebAssembly/wasi-libc#294
removed support for translating `ENOTCAPABLE` into POSIX error codes, on
the assumption that engines should stop using it.

So as another step to migrating away from the rights system, remove uses
of the `ENOTCAPABLE` error.

* Update crates/wasi-common/src/file.rs

Co-authored-by: Jamey Sharp <jamey@minilop.net>

* Update crates/wasi-common/src/dir.rs

Co-authored-by: Jamey Sharp <jamey@minilop.net>

Co-authored-by: Jamey Sharp <jamey@minilop.net>

2022-08-10 13:44:23 -07:00

cap-std-sync

Bump Wasmtime to 0.41.0 (#4620 )

2022-08-04 20:02:19 -05:00

src

Stop returning NOTCAPABLE errors from WASI calls. (#4666 )

2022-08-10 13:44:23 -07:00

tokio

Bump Wasmtime to 0.41.0 (#4620 )

2022-08-04 20:02:19 -05:00

WASI @ 0ba0c5e2e3

Implement sock_accept

2022-01-31 16:25:11 -08:00

build.rs

Add "cargo:rerun-if-changed=build.rs" to some build.rs files.

2021-09-16 11:52:21 -07:00

Cargo.toml

Bump Wasmtime to 0.41.0 (#4620 )

2022-08-04 20:02:19 -05:00

LICENSE

Initial reorg.

2019-11-08 06:35:40 -08:00

README.md

wasi-common no longer contains code derived from cloudabi-utils

2021-01-29 13:28:13 -08:00

README.md

`wasi-common`

A Bytecode Alliance project

A library providing a common implementation of WASI hostcalls for re-use in any WASI-enabled runtime.

The wasi-common crate 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 1.37.0.

Supported syscalls

*nix

In our *nix implementation, we currently support the entire WASI API with the exception of socket hostcalls:

sock_recv
sock_send
sock_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!

Development hints

When testing the crate, you may want to enable and run full wasm32 integration testsuite. This requires wasm32-wasi target installed which can be done as follows using rustup

rustup target add wasm32-wasi

Now, you should be able to run the integration testsuite by running cargo test on the test-programs package with test-programs/test_programs feature enabled:

cargo test --features test-programs/test_programs --package test-programs