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use crate::Stream;
use std::pin::Pin;
use std::task::{Context, Poll};
use tokio::signal::unix::Signal;
/// A wrapper around [`Signal`] that implements [`Stream`].
///
/// [`Signal`]: struct@tokio::signal::unix::Signal
/// [`Stream`]: trait@crate::Stream
#[derive(Debug)]
#[cfg_attr(docsrs, doc(cfg(all(unix, feature = "signal"))))]
pub struct SignalStream {
inner: Signal,
}
impl SignalStream {
/// Create a new `SignalStream`.
pub fn new(interval: Signal) -> Self {
Self { inner: interval }
}
/// Get back the inner `Signal`.
pub fn into_inner(self) -> Signal {
self.inner
}
}
impl Stream for SignalStream {
type Item = ();
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<()>> {
self.inner.poll_recv(cx)
}
}
impl AsRef<Signal> for SignalStream {
fn as_ref(&self) -> &Signal {
&self.inner
}
}
impl AsMut<Signal> for SignalStream {
fn as_mut(&mut self) -> &mut Signal {
&mut self.inner
}
}