From 5eaf606a0d7e5e999c19ba54ac332a33dfef74a4 Mon Sep 17 00:00:00 2001
From: Ken Hibino <ken.hibino7@gmail.com>
Date: Sat, 23 Nov 2019 17:09:57 -0800
Subject: [PATCH] fix: Nil out handler reference after all workers have
 finished

---
 background.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/background.go b/background.go
index 653d522..44a6721 100644
--- a/background.go
+++ b/background.go
@@ -55,6 +55,7 @@ func (bg *Background) start(handler TaskHandler) {
 	if bg.running {
 		return
 	}
+
 	bg.running = true
 	bg.processor.handler = handler
 
@@ -69,9 +70,10 @@ func (bg *Background) stop() {
 	if !bg.running {
 		return
 	}
-	bg.running = false
-	bg.processor.handler = nil
 
 	bg.poller.terminate()
 	bg.processor.terminate()
+
+	bg.processor.handler = nil
+	bg.running = false
 }