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Add a no-op implementation of fd_advise on Windows

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Windows apparently has no similar syscall available.
This commit is contained in:
Marcin Mielniczuk
2019-08-30 14:57:03 +02:00
committed by Dan Gohman
parent 947eb1fb53
commit d308c47822
1 changed files with 14 additions and 4 deletions
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18
src/sys/windows/hostcalls_impl/fs.rs
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@@ -61,12 +61,22 @@ pub(crate) fn fd_fdstat_set_flags(fd: &File, fdflags: host::__wasi_fdflags_t) ->
} }
pub(crate) fn fd_advise( pub(crate) fn fd_advise(
file: &File, _file: &File,
advice: host::__wasi_advice_t, advice: host::__wasi_advice_t,
offset: host::__wasi_filesize_t, _offset: host::__wasi_filesize_t,
len: host::__wasi_filesize_t, _len: host::__wasi_filesize_t,
) -> Result<()> { ) -> Result<()> {
unimplemented!("fd_advise") match advice {
host::__WASI_ADVICE_DONTNEED
| host::__WASI_ADVICE_SEQUENTIAL
| host::__WASI_ADVICE_WILLNEED
| host::__WASI_ADVICE_NOREUSE
| host::__WASI_ADVICE_RANDOM
| host::__WASI_ADVICE_NORMAL => {}
_ => return Err(host::__WASI_EINVAL),
}
Ok(())
} }
pub(crate) fn path_create_directory(resolved: PathGet) -> Result<()> { pub(crate) fn path_create_directory(resolved: PathGet) -> Result<()> {