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change set_fdflags to reopen_with_fdflags

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Pat Hickey
2021-01-21 17:56:03 -08:00
parent a46c2ad0aa
commit f1a5dce716
6 changed files with 41 additions and 19 deletions
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14
crates/wasi-c2/src/file.rs
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@@ -10,7 +10,7 @@ pub trait WasiFile {
fn sync(&self) -> Result<(), Error>; // file op
fn get_filetype(&self) -> Result<FileType, Error>; // file op
fn get_fdflags(&self) -> Result<FdFlags, Error>; // file op
fn set_fdflags(&self, _flags: FdFlags) -> Result<(), Error>;
fn reopen_with_fdflags(&self, flags: FdFlags) -> Result<Box<dyn WasiFile>, Error>; // file op
fn get_filestat(&self) -> Result<Filestat, Error>; // split out get_length as a read & write op, rest is a file op
fn set_filestat_size(&self, _size: u64) -> Result<(), Error>; // write op
fn advise(
@@ -83,11 +83,23 @@ pub struct Filestat {
pub(crate) trait TableFileExt {
fn get_file(&self, fd: u32) -> Result<Ref<FileEntry>, Error>;
fn update_file_in_place<F>(&mut self, fd: u32, f: F) -> Result<(), Error>
where
F: FnOnce(&dyn WasiFile) -> Result<Box<dyn WasiFile>, Error>;
}
impl TableFileExt for crate::table::Table {
fn get_file(&self, fd: u32) -> Result<Ref<FileEntry>, Error> {
self.get(fd)
}
fn update_file_in_place<F>(&mut self, fd: u32, f: F) -> Result<(), Error>
where
F: FnOnce(&dyn WasiFile) -> Result<Box<dyn WasiFile>, Error>,
{
self.update_in_place(fd, |FileEntry { caps, file }| {
let file = f(file.deref())?;
Ok(FileEntry { caps, file })
})
}
}
pub(crate) struct FileEntry {