From eba1f7258e6e56cc2d47bb1891d17c2c173ba51c Mon Sep 17 00:00:00 2001
From: patterniha <71074308+patterniha@users.noreply.github.com>
Date: Fri, 22 Aug 2025 09:12:10 +0330
Subject: [PATCH] Timer: prevent creating redundant check task

---
 common/signal/timer.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/common/signal/timer.go b/common/signal/timer.go
index ece9f496..da108f2c 100644
--- a/common/signal/timer.go
+++ b/common/signal/timer.go
@@ -56,20 +56,22 @@ func (t *ActivityTimer) SetTimeout(timeout time.Duration) {
 		return
 	}
 
+	t.Lock()
+	defer t.Unlock()
+	if t.onTimeout == nil {
+		return
+	}
 	checkTask := &task.Periodic{
 		Interval: timeout,
 		Execute:  t.check,
 	}
 
-	t.Lock()
-
 	if t.checkTask != nil {
 		t.checkTask.Close()
 	}
 	t.checkTask = checkTask
 	t.Update()
 	common.Must(checkTask.Start())
-	t.Unlock()
 }
 
 func CancelAfterInactivity(ctx context.Context, cancel context.CancelFunc, timeout time.Duration) *ActivityTimer {