Add Rust impl of wasmtime_ssp_sched_yield #127
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,103 @@ | ||
| use super::host; | ||
| use super::wasm32; | ||
| use errno::{errno, Errno}; | ||
|
|
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| /// Convert POSIX error code to host's WASI error code | ||
| fn convert_errno(error: Errno) -> host::__wasi_errno_t { | ||
| #[allow(unreachable_patterns)] | ||
| match error.into() { | ||
| libc::E2BIG => host::__WASI_E2BIG, | ||
| libc::EACCES => host::__WASI_EACCES, | ||
| libc::EADDRINUSE => host::__WASI_EADDRINUSE, | ||
| libc::EADDRNOTAVAIL => host::__WASI_EADDRNOTAVAIL, | ||
| libc::EAFNOSUPPORT => host::__WASI_EAFNOSUPPORT, | ||
| libc::EAGAIN | libc::EWOULDBLOCK => host::__WASI_EAGAIN, | ||
| libc::EALREADY => host::__WASI_EALREADY, | ||
| libc::EBADF => host::__WASI_EBADF, | ||
| libc::EBADMSG => host::__WASI_EBADMSG, | ||
| libc::EBUSY => host::__WASI_EBUSY, | ||
| libc::ECANCELED => host::__WASI_ECANCELED, | ||
| libc::ECHILD => host::__WASI_ECHILD, | ||
| libc::ECONNABORTED => host::__WASI_ECONNABORTED, | ||
| libc::ECONNREFUSED => host::__WASI_ECONNREFUSED, | ||
| libc::ECONNRESET => host::__WASI_ECONNRESET, | ||
| libc::EDEADLK => host::__WASI_EDEADLK, | ||
| libc::EDESTADDRREQ => host::__WASI_EDESTADDRREQ, | ||
| libc::EDOM => host::__WASI_EDOM, | ||
| libc::EDQUOT => host::__WASI_EDQUOT, | ||
| libc::EEXIST => host::__WASI_EEXIST, | ||
| libc::EFAULT => host::__WASI_EFAULT, | ||
| libc::EFBIG => host::__WASI_EFBIG, | ||
| libc::EHOSTUNREACH => host::__WASI_EHOSTUNREACH, | ||
| libc::EIDRM => host::__WASI_EIDRM, | ||
| libc::EILSEQ => host::__WASI_EILSEQ, | ||
| libc::EINPROGRESS => host::__WASI_EINPROGRESS, | ||
| libc::EINTR => host::__WASI_EINTR, | ||
| libc::EINVAL => host::__WASI_EINVAL, | ||
| libc::EIO => host::__WASI_EIO, | ||
| libc::EISCONN => host::__WASI_EISCONN, | ||
| libc::EISDIR => host::__WASI_EISDIR, | ||
| libc::ELOOP => host::__WASI_ELOOP, | ||
| libc::EMFILE => host::__WASI_EMFILE, | ||
| libc::EMLINK => host::__WASI_EMLINK, | ||
| libc::EMSGSIZE => host::__WASI_EMSGSIZE, | ||
| libc::EMULTIHOP => host::__WASI_EMULTIHOP, | ||
| libc::ENAMETOOLONG => host::__WASI_ENAMETOOLONG, | ||
| libc::ENETDOWN => host::__WASI_ENETDOWN, | ||
| libc::ENETRESET => host::__WASI_ENETRESET, | ||
| libc::ENETUNREACH => host::__WASI_ENETUNREACH, | ||
| libc::ENFILE => host::__WASI_ENFILE, | ||
| libc::ENOBUFS => host::__WASI_ENOBUFS, | ||
| libc::ENODEV => host::__WASI_ENODEV, | ||
| libc::ENOENT => host::__WASI_ENOENT, | ||
| libc::ENOEXEC => host::__WASI_ENOEXEC, | ||
| libc::ENOLCK => host::__WASI_ENOLCK, | ||
| libc::ENOLINK => host::__WASI_ENOLINK, | ||
| libc::ENOMEM => host::__WASI_ENOMEM, | ||
| libc::ENOMSG => host::__WASI_ENOMSG, | ||
| libc::ENOPROTOOPT => host::__WASI_ENOPROTOOPT, | ||
| libc::ENOSPC => host::__WASI_ENOSPC, | ||
| libc::ENOSYS => host::__WASI_ENOSYS, | ||
| // TODO: verify if this is correct | ||
| #[cfg(target_os = "freebsd")] | ||
| libc::ENOTCAPABLE => host::__WASI_ENOTCAPABLE, | ||
|
There was a problem hiding this comment. Yes, this is correct, at least at present. |
||
| libc::ENOTCONN => host::__WASI_ENOTCONN, | ||
| libc::ENOTDIR => host::__WASI_ENOTDIR, | ||
| libc::ENOTEMPTY => host::__WASI_ENOTEMPTY, | ||
| libc::ENOTRECOVERABLE => host::__WASI_ENOTRECOVERABLE, | ||
| libc::ENOTSOCK => host::__WASI_ENOTSOCK, | ||
| libc::ENOTSUP | libc::EOPNOTSUPP => host::__WASI_ENOTSUP, | ||
| libc::ENOTTY => host::__WASI_ENOTTY, | ||
| libc::ENXIO => host::__WASI_ENXIO, | ||
| libc::EOVERFLOW => host::__WASI_EOVERFLOW, | ||
| libc::EOWNERDEAD => host::__WASI_EOWNERDEAD, | ||
| libc::EPERM => host::__WASI_EPERM, | ||
| libc::EPIPE => host::__WASI_EPIPE, | ||
| libc::EPROTO => host::__WASI_EPROTO, | ||
| libc::EPROTONOSUPPORT => host::__WASI_EPROTONOSUPPORT, | ||
| libc::EPROTOTYPE => host::__WASI_EPROTOTYPE, | ||
| libc::ERANGE => host::__WASI_ERANGE, | ||
| libc::EROFS => host::__WASI_EROFS, | ||
| libc::ESPIPE => host::__WASI_ESPIPE, | ||
| libc::ESRCH => host::__WASI_ESRCH, | ||
| libc::ESTALE => host::__WASI_ESTALE, | ||
| libc::ETIMEDOUT => host::__WASI_ETIMEDOUT, | ||
| libc::ETXTBSY => host::__WASI_ETXTBSY, | ||
| libc::EXDEV => host::__WASI_EXDEV, | ||
| _ => host::__WASI_ENOSYS, | ||
| } | ||
| } | ||
|
|
||
| pub fn wasmtime_ssp_proc_exit(rval: wasm32::__wasi_exitcode_t) { | ||
| ::std::process::exit(rval as i32) | ||
| } | ||
|
|
||
| pub fn wasmtime_ssp_sched_yield() -> host::__wasi_errno_t { | ||
| unsafe { | ||
| if libc::sched_yield() < 0 { | ||
| return convert_errno(errno()); | ||
| } | ||
| } | ||
|
|
||
| host::__WASI_ESUCCESS | ||
| } | ||
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I convinced myself that it's ok to put these here, because eventually, wasmtime_ssp.h and the bindgen-generated wasmtime_ssp.rs will go away and we'll need these :-).
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Agreed! :-)