update signal handler

go-daemon/godaemon1.go

@@ -3,6 +3,8 @@ package main
 import (
 	"godaemon1/service"
 	"log"
+	"os"
+	"os/signal"
 	"time"
 
 	"github.com/sevlyar/go-daemon"
@@ -27,7 +29,16 @@ func main() {
 	}
 	defer cntxt.Release()
 
-	service.SigHandler()
+	// TODO make both in external package service these lines but also async
+	sigChannel := make(chan os.Signal, 1)
+	signal.Notify(sigChannel)
+
+	go func() {
+		for {
+			s := <-sigChannel
+			service.SigHandler(s)
+		}
+	}()
 
 	log.Print("- - - - - - - - - - - - - - -")
 	log.Print("daemon started")

go-daemon/service/sighandler.go

@@ -3,32 +3,17 @@ package service
 import (
 	"log"
 	"os"
-	"os/signal"
 	"syscall"
 )
 
-func handler(signal os.Signal) {
+func SigHandler(signal os.Signal) {
 	if signal == syscall.SIGTERM {
 		log.Println("Got signal: SIGTERM")
 	} else if signal == syscall.SIGINT {
 		log.Println("Got signal: SIGINT")
+	} else if signal == syscall.SIGKILL {
+		log.Println("Got signal: SIGINT")
 	} else {
-		log.Println("Got another signal")
+		log.Printf("Got another signal: %v\n", signal)
 	}
 }
-
-func SigHandler() {
-	sigChannel := make(chan os.Signal, 1)
-	signal.Notify(sigChannel)
-	exitChannel := make(chan int)
-
-	go func() {
-		for {
-			s := <-sigChannel
-			handler(s)
-		}
-	}()
-
-	exitcode := <-exitChannel
-	os.Exit(exitcode)
-}