From 63f01d202bf6fa06007d0399beaffe3a639e98ac Mon Sep 17 00:00:00 2001
From: Noah Hilverling <noah.hilverling@icinga.com>
Date: Wed, 2 Oct 2019 12:00:40 +0200
Subject: [PATCH] HA: Fix notificationListeners not getting messages in order

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

diff --git a/ha/ha.go b/ha/ha.go
index 73ffaf64..7b9ad533 100644
--- a/ha/ha.go
+++ b/ha/ha.go
@@ -263,7 +263,7 @@ func (h *HA) runEventListener() {
 }
 
 func (h *HA) RegisterNotificationListener(listenerType string) chan int {
-	ch := make(chan int)
+	ch := make(chan int, 10)
 	h.notificationListenersMutex.Lock()
 	h.notificationListeners[listenerType] = append(h.notificationListeners[listenerType], ch)
 	h.notificationListenersMutex.Unlock()
@@ -274,9 +274,7 @@ func (h *HA) notifyNotificationListener(listenerType string, msg int) {
 	for t, chs  := range h.notificationListeners {
 		if t == listenerType || listenerType == "*" {
 			for _, c := range chs {
-				go func(ch chan int) {
-					ch <- msg
-				}(c)
+				c <- msg
 			}
 		}
 	}