From 2b7eea26796823ad32ff83f6b016dfecda5f104b Mon Sep 17 00:00:00 2001
From: Maybe Waffle <waffle.lapkin@gmail.com>
Date: Mon, 25 Sep 2023 20:45:27 +0400
Subject: [PATCH] Use waker API instead of recursing

---
 crates/teloxide/src/update_listeners/polling.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/crates/teloxide/src/update_listeners/polling.rs b/crates/teloxide/src/update_listeners/polling.rs
index 644098b8..b713db37 100644
--- a/crates/teloxide/src/update_listeners/polling.rs
+++ b/crates/teloxide/src/update_listeners/polling.rs
@@ -406,8 +406,10 @@ impl<B: Requester> Stream for PollingStream<'_, B> {
             .send();
         this.in_flight.set(Some(req));
 
-        // Recurse to poll `self.in_flight`
-        self.poll_next(cx)
+        // Immediately wake up to poll `self.in_flight`
+        // (without this this stream becomes a zombie)
+        cx.waker().wake_by_ref();
+        Poll::Pending
     }
 }