Skip spawning task for background_executor.timer(Duration::ZERO) (#21729)

Release Notes: - N/A
2024-12-09 10:18:18 -07:00
parent e5f3a683f0
commit 16ecbafa7a
1 changed files with 3 additions and 0 deletions
@@ -328,6 +328,9 @@ impl BackgroundExecutor {
    /// Depending on other concurrent tasks the elapsed duration may be longer
    /// than requested.
    pub fn timer(&self, duration: Duration) -> Task<()> {
+        if duration.is_zero() {
+            return Task::ready(());
+        }
        let (runnable, task) = async_task::spawn(async move {}, {
            let dispatcher = self.dispatcher.clone();
            move |runnable| dispatcher.dispatch_after(duration, runnable)