Start to dust off Darwin

daemon.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"os"
+)
+
+func Daemonize(attr *os.ProcAttr) error {
+	path, err := os.Executable()
+	if err != nil {
+		return err
+	}
+
+	argv := []string{os.Args[0], "--foreground"}
+	argv = append(argv, os.Args[1:]...)
+	process, err := os.StartProcess(
+		path,
+		argv,
+		attr,
+	)
+	if err != nil {
+		return err
+	}
+	process.Release()
+	return nil
+}