From ce1e67ec3eef017a0f841e85079f5ada838320f2 Mon Sep 17 00:00:00 2001
From: Julian Waller <git@julusian.co.uk>
Date: Thu, 30 Apr 2026 18:33:13 +0100
Subject: [PATCH] fix: avoid cpu spinloop

---
 src/lib.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index b146dd4..24543c6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -40,8 +40,9 @@ impl Emitter {
 
         tokio::spawn(async move {
             loop {
-                while !*listeners_rx.borrow() {
-                    // Wait for an event to be attached
+                // Async-wait until at least one listener is attached
+                if listeners_rx.wait_for(|v| *v).await.is_err() {
+                    return;
                 }
 
                 let mut watch_stream = nusb::watch_devices().unwrap();