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wasi-cap-std-sync: sync family of flags is not supported on file_open

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Pat Hickey
2021-02-01 14:25:16 -08:00
parent 993697e221
commit cde252c59b
1 changed files with 7 additions and 0 deletions
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7
crates/wasi-common/cap-std-sync/src/dir.rs
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@@ -69,6 +69,13 @@ impl WasiDir for Dir {
// have support for them in cap-std yet. // have support for them in cap-std yet.
// ideally OpenOptions would just support this though: // ideally OpenOptions would just support this though:
// https://github.com/bytecodealliance/cap-std/issues/146 // https://github.com/bytecodealliance/cap-std/issues/146
if fdflags.intersects(
wasi_common::file::FdFlags::DSYNC
| wasi_common::file::FdFlags::SYNC
| wasi_common::file::FdFlags::RSYNC,
) {
return Err(Error::not_supported().context("SYNC family of FdFlags"));
}
let mut f = self.0.open_with(Path::new(path), &opts)?; let mut f = self.0.open_with(Path::new(path), &opts)?;
// NONBLOCK does not have an OpenOption either, but we can patch that on with set_fd_flags: // NONBLOCK does not have an OpenOption either, but we can patch that on with set_fd_flags: