rt: add a method to determine if the runtime is multi-threaded.

tokio-rs · Oct 27, 2022 · 1d69f96 · 1d69f96
1 parent 32d68fe
commit 1d69f96
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/tokio/src/runtime/handle.rs b/tokio/src/runtime/handle.rs
@@ -101,6 +101,15 @@ impl Handle {
         }
     }
 
+    /// Returns true if the currently running `Runtime` is multi-threaded and
+    /// false otherwise.
+    pub fn is_multi_threaded(&self) -> bool {
+        match self.inner {
+            scheduler::Handle::CurrentThread(_) => false,
+            scheduler::Handle::MultiThread(_) => true,
+        }
+    }
+
     /// Returns a Handle view over the currently running Runtime
     ///
     /// Returns an error if no Runtime has been started