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integrate GetSetFdFlags!

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change reopen_with_fdflags(&self, fdflags) -> Result<Box<dyn WasiFile>>
to set_fdflags(&mut self, fdflags) -> Result<()>.

this makes way more sense than my prior hare-brained schemes.
This commit is contained in:
Pat Hickey
2021-01-26 12:23:52 -08:00
parent c98d6f6201
commit 1eb8a8a7fe
6 changed files with 83 additions and 63 deletions
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16
crates/wasi-c2/src/snapshots/preview_1.rs
View File

@@ -2,8 +2,8 @@
use crate::{
dir::{DirCaps, DirEntry, DirEntryExt, DirFdStat, ReaddirCursor, ReaddirEntity, TableDirExt},
file::{
FdFlags, FdStat, FileCaps, FileEntry, FileEntryExt, FileType, Filestat, OFlags,
TableFileExt,
FdFlags, FdStat, FileCaps, FileEntry, FileEntryExt, FileEntryMutExt, FileType, Filestat,
OFlags, TableFileExt,
},
sched::{
subscription::{RwEventFlags, SubscriptionResult},
@@ -332,14 +332,10 @@ impl<'a> wasi_snapshot_preview1::WasiSnapshotPreview1 for WasiCtx {
}
fn fd_fdstat_set_flags(&self, fd: types::Fd, flags: types::Fdflags) -> Result<(), Error> {
let mut table = self.table();
let fd = u32::from(fd);
let table_check = table.get_file(fd)?.get_cap(FileCaps::FDSTAT_SET_FLAGS)?;
drop(table_check);
table.update_file_in_place(fd, |f| unsafe {
// Safety: update_file_in_place will drop `f` after this call.
f.reopen_with_fdflags(FdFlags::from(&flags))
})
self.table()
.get_file_mut(u32::from(fd))?
.get_cap(FileCaps::FDSTAT_SET_FLAGS)?
.set_fdflags(FdFlags::from(&flags))
}
fn fd_fdstat_set_rights(