1 files changed, 46 insertions, 0 deletions
diff --git a/third_party/rust/tokio-stream/src/wrappers/signal_unix.rs b/third_party/rust/tokio-stream/src/wrappers/signal_unix.rs
new file mode 100644
index 0000000000..2f74e7d152
--- /dev/null
+++ b/third_party/rust/tokio-stream/src/wrappers/signal_unix.rs
@@ -0,0 +1,46 @@
+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
+    }
+}