workaround weird behavior of ctx.Release, pidfile now containts daemon's pid

main.go

@@ -130,7 +130,7 @@ func becomeDaemon() {
 		PidFileName: pidPath,
 		PidFilePerm: 0644,
 		WorkDir:     cwd,
-		Umask:       027,
+		Umask:       002,
 	}
 
 	dmn, err := ctx.Reborn()
@@ -139,22 +139,26 @@ func becomeDaemon() {
 		os.Exit(1)
 	}
 	if dmn != nil {
-		ctx.Release()
 
 		// parent process no longer needed
 		os.Exit(0)
 	}
-	defer ctx.Release()
 
 	// -- WE ARE NOW THE DAEMON --
 
 	// write pid
 	if pidPath != "" {
-		pidFile, _ := os.OpenFile(pidPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+		pidFile, err := os.OpenFile(pidPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, os.FileMode(0644))
+		if err != nil {
+			log.Errorf("failed to create pidfile: %v", err)
+		}
 		defer pidFile.Close()
 
 		pidBytes := []byte(strconv.Itoa(os.Getpid()))
-		pidFile.Write(pidBytes)
+		_, err = pidFile.Write(pidBytes)
+		if err != nil {
+			log.Errorf("failed to write pidfile: %v", err)
+		}
 	}
 }
 
@@ -175,7 +179,6 @@ func nodeMain() {
 	setupLogging(config.Log)
 
 	// only after logging setup, we may became daemon
-	println(pidPath)
 	if daemonize {
 		becomeDaemon()
 	}