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signal: don't register write interest on signal pipe #4898

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merged 1 commit into from Aug 11, 2022
Merged

signal: don't register write interest on signal pipe #4898

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7 changes: 2 additions & 5 deletions tokio/src/signal/unix/driver.rs
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Expand Up @@ -74,11 +74,8 @@ impl Driver {
let original =
ManuallyDrop::new(unsafe { std::os::unix::net::UnixStream::from_raw_fd(receiver_fd) });
let receiver = UnixStream::from_std(original.try_clone()?);
let receiver = PollEvented::new_with_interest_and_handle(
receiver,
Interest::READABLE | Interest::WRITABLE,
park.handle(),
)?;
let receiver =
PollEvented::new_with_interest_and_handle(receiver, Interest::READABLE, park.handle())?;

Ok(Self {
park,
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2 changes: 1 addition & 1 deletion tokio/tests/rt_metrics.rs
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Expand Up @@ -400,7 +400,7 @@ fn io_driver_ready_count() {
let stream = tokio::net::TcpStream::connect("google.com:80");
let _stream = rt.block_on(async move { stream.await.unwrap() });

assert_eq!(metrics.io_driver_ready_count(), 2);
assert_eq!(metrics.io_driver_ready_count(), 1);
}

fn basic() -> Runtime {
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