[style] move the daemoninze to be used only on darwin

helper/darwin.go

@@ -34,6 +34,8 @@ import (
 	"os/exec"
 	"path"
 	"strings"
+
+	"github.com/sevlyar/go-daemon"
 )
 
 const (
@@ -48,6 +50,28 @@ const (
 	pfctl = "/sbin/pfctl"
 )
 
+func daemonize() {
+	cntxt := &daemon.Context{
+		PidFileName: "pid",
+		PidFilePerm: 0644,
+		LogFileName: "bitmask-helper.log",
+		LogFilePerm: 0640,
+		WorkDir:     "./",
+		Umask:       027,
+		Args:        []string{"[bitmask-helper]"},
+	}
+
+	d, err := cntxt.Reborn()
+	if err != nil {
+		log.Fatal("Unable to run: ", err)
+	}
+	if d != nil {
+		return
+	}
+	defer cntxt.Release()
+	log.Print("bitmask-helper daemon started")
+}
+
 func getOpenvpnPath() string {
 	return openvpnPath
 }

helper/helper.go

@@ -23,8 +23,6 @@ import (
 	"os"
 	"os/exec"
 	"runtime"
-
-	"github.com/sevlyar/go-daemon"
 )
 
 const (
@@ -50,28 +48,6 @@ func main() {
 
 }
 
-func daemonize() {
-	cntxt := &daemon.Context{
-		PidFileName: "pid",
-		PidFilePerm: 0644,
-		LogFileName: "bitmask-helper.log",
-		LogFilePerm: 0640,
-		WorkDir:     "./",
-		Umask:       027,
-		Args:        []string{"[bitmask-helper]"},
-	}
-
-	d, err := cntxt.Reborn()
-	if err != nil {
-		log.Fatal("Unable to run: ", err)
-	}
-	if d != nil {
-		return
-	}
-	defer cntxt.Release()
-	log.Print("bitmask-helper daemon started")
-}
-
 func serveHTTP() {
 	openvpn := openvpnT{nil}
 	http.HandleFunc("/openvpn/start", openvpn.start)