From d690d235a7579673bba1df7a20fdec7648e1bbc4 Mon Sep 17 00:00:00 2001
From: honzuki <22032642+honzuki@users.noreply.github.com>
Date: Tue, 31 Jan 2023 21:41:42 +0200
Subject: [PATCH] Fix potential deadlock in the executor

Remove the usage of blocking api inside 'spawn' and 'wake'
---
 examples/02_04_executor/src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/02_04_executor/src/lib.rs b/examples/02_04_executor/src/lib.rs
index 13dadb72..2cf02cfd 100644
--- a/examples/02_04_executor/src/lib.rs
+++ b/examples/02_04_executor/src/lib.rs
@@ -61,7 +61,7 @@ impl Spawner {
             future: Mutex::new(Some(future)),
             task_sender: self.task_sender.clone(),
         });
-        self.task_sender.send(task).expect("too many tasks queued");
+        self.task_sender.try_send(task).expect("too many tasks queued");
     }
 }
 // ANCHOR_END: spawn_fn
@@ -74,7 +74,7 @@ impl ArcWake for Task {
         let cloned = arc_self.clone();
         arc_self
             .task_sender
-            .send(cloned)
+            .try_send(cloned)
             .expect("too many tasks queued");
     }
 }