Introduce await() function

This improves readability of the main() function.

1 files changed, 8 insertions, 3 deletions

diff --git a/main.go b/main.go
index 6da8e93..84a0761 100644
--- a/main.go
+++ b/main.go
@@ -42,9 +42,14 @@ func main() {
 	go server.Start()
 	defer server.Stop()
 
+	await(syscall.SIGTERM, syscall.SIGINT)
+}
+
+func await(signals ...syscall.Signal) {
 	listener := make(chan os.Signal)
-	signal.Notify(listener, syscall.SIGTERM)
-	signal.Notify(listener, syscall.SIGINT)
+	for _, s := range signals {
+		signal.Notify(listener, s)
+	}
 	sig := <-listener
-	log.Printf("Cleaning up due to OS signal '%v'\n", sig)
+	log.Printf("Received OS signal '%v'\n", sig)
 }