stream: update coop handling for empty and once (#8227)

2026-09-01 00:00:10 +02:00 · 2026-06-24 12:38:36 +00:00
parent 73e8937cc5
commit 95b8895da8
2 changed files with 28 additions and 10 deletions
@@ -40,7 +40,15 @@ pub const fn empty<T>() -> Empty<T> {
 impl<T> Stream for Empty<T> {
    type Item = T;

-    fn poll_next(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Option<T>> {
+    fn poll_next(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<T>> {
+        #[cfg(feature = "rt")]
+        {
+            use tokio::task::coop;
+
+            let coop = std::task::ready!(coop::poll_proceed(_cx));
+            coop.made_progress();
+        }
+
        Poll::Ready(None)
    }