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add clocks!

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This commit is contained in:
Pat Hickey
2021-01-04 16:03:43 -08:00
parent 50554d376b
commit c7fcc34487
6 changed files with 86 additions and 3 deletions
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28
crates/wasi-c2/src/snapshots/preview_1.rs
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@@ -146,15 +146,37 @@ impl<'a> wasi_snapshot_preview1::WasiSnapshotPreview1 for WasiCtx {
}
fn clock_res_get(&self, id: types::Clockid) -> Result<types::Timestamp, Error> {
unimplemented!()
let resolution = match id {
types::Clockid::Realtime => Ok(self.clocks.system.resolution()),
types::Clockid::Monotonic => Ok(self.clocks.monotonic.resolution()),
types::Clockid::ProcessCputimeId | types::Clockid::ThreadCputimeId => {
Err(Error::NotCapable)
}
}?;
Ok(resolution.as_nanos().try_into()?)
}
fn clock_time_get(
&self,
id: types::Clockid,
_precision: types::Timestamp,
precision: types::Timestamp,
) -> Result<types::Timestamp, Error> {
unimplemented!()
use cap_std::time::Duration;
let precision = Duration::from_nanos(precision);
match id {
types::Clockid::Realtime => {
let now = self.clocks.system.now(precision).into_std();
let d = now
.duration_since(std::time::SystemTime::UNIX_EPOCH)
.map_err(|_| Error::NotCapable)?; // XXX wrong
Ok(d.as_nanos().try_into()?)
}
types::Clockid::Monotonic => {
let now = self.clocks.monotonic.now(precision);
todo!()
}
types::Clockid::ProcessCputimeId | types::Clockid::ThreadCputimeId => Err(Error::Badf),
}
}
fn fd_advise(