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Add support for wasi_snapshot_preview1. (#592)

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* Add support for wasi_snapshot_preview1.

This adds support for the new ABI, while preserving compatibility
support for the old ABI.

* Fix compilation on platforms where nlink_t isn't 64-bit.

* rustfmt

* Fix Windows build errors.
This commit is contained in:
Dan Gohman
2019-11-18 22:07:16 -08:00
committed by GitHub
parent 39e57e3e9a
commit d645902620
83 changed files with 9928 additions and 803 deletions
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4
crates/wasi-common/src/sys/unix/fdentry_impl.rs
View File

@@ -46,9 +46,9 @@ pub(crate) unsafe fn determine_type_and_access_rights<Fd: AsRawFd>(
let flags = OFlag::from_bits_truncate(flags_bits);
let accmode = flags & OFlag::O_ACCMODE;
if accmode == OFlag::O_RDONLY {
rights_base &= !wasi::__WASI_RIGHT_FD_WRITE;
rights_base &= !wasi::__WASI_RIGHTS_FD_WRITE;
} else if accmode == OFlag::O_WRONLY {
rights_base &= !wasi::__WASI_RIGHT_FD_READ;
rights_base &= !wasi::__WASI_RIGHTS_FD_READ;
}
Ok((file_type, rights_base, rights_inheriting))