runtime: add better error message when spawning blocking threads (#4398)

tokio-rs · Jan 12, 2022 · 089eeae · 089eeae
1 parent e255a26
commit 089eeae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tokio/src/runtime/blocking/pool.rs b/tokio/src/runtime/blocking/pool.rs
@@ -244,7 +244,7 @@ impl Spawner {
                 rt.blocking_spawner.inner.run(id);
                 drop(shutdown_tx);
             })
-            .unwrap()
+            .expect("OS can't spawn a new worker thread")
     }
 }