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Align with Unix

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This commit is contained in:
Marcin Mielniczuk
2020-01-16 14:59:18 +01:00
parent 3261626fd8
commit 33818ea18e
1 changed files with 7 additions and 3 deletions
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10
crates/wasi-common/src/sys/windows/hostcalls_impl/misc.rs
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@@ -247,10 +247,14 @@ pub(crate) fn poll_oneoff(
// `poll` invoked with nfds = 0, timeout = -1 appears to be an infinite sleep on Unix // `poll` invoked with nfds = 0, timeout = -1 appears to be an infinite sleep on Unix
// usually meant to be interrupted by a signal. Unfortunately, WASI doesn't currently // usually meant to be interrupted by a signal. Unfortunately, WASI doesn't currently
// support signals and there is no way to interrupt this infinite sleep, so we // support signals and there is no way to interrupt this infinite sleep, so we
// return `ENOTSUP` // intend to return `ENOTSUP`.
//
// Unfortunately, current implementation of poll_oneoff on Unix relies on
// `poll_oneoff` returning `Ok(())` in such case, so we emulate this behavior for now
// and will address it in a subsequent PR.
None => { None => {
error!("poll_oneoff: invoking with neither timeout nor fds not supported"); // error!("poll_oneoff: invoking with neither timeout nor fds not supported");
return Err(Error::ENOTSUP); return Ok(()); // Err(Error::ENOTSUP);
} }
} }
} }