diff --git a/src/fullnode.rs b/src/fullnode.rs
index d32d01066d..2d1913219b 100644
--- a/src/fullnode.rs
+++ b/src/fullnode.rs
@@ -318,6 +318,10 @@ impl FullNode {
         FullNode { exit, thread_hdls }
     }
 
+    //used for notifying many nodes in parallel to exit
+    pub fn notify_exit(self) {
+        self.exit.store(true, Ordering::Relaxed);
+    }
     pub fn close(self) -> Result<()> {
         self.exit.store(true, Ordering::Relaxed);
         self.join()
@@ -355,6 +359,7 @@ mod tests {
         let exit = Arc::new(AtomicBool::new(false));
         let entry = tn.data.clone();
         let v = FullNode::new_validator(kp, bank, 0, None, tn, &entry, exit);
+        v.notify_exit();
         v.close().unwrap();
     }
 }
diff --git a/tests/multinode.rs b/tests/multinode.rs
index 678579ba9b..f1f204f9f6 100644
--- a/tests/multinode.rs
+++ b/tests/multinode.rs
@@ -464,6 +464,9 @@ fn test_multi_node_dynamic_network() {
         }
     }
     assert_eq!(consecutive_success, 10);
+    for (_, node) in validators {
+        node.notify_exit();
+    }
     for (_, node) in validators {
         node.close().unwrap();
     }