Easy golang process daemon

example.go

package main

import (
        "os/exec"
        "os"
        "time"
)

func init() {
        isForked := os.Getenv("DAEMON")
        if isForked == "" {
                // set ENV
                os.Setenv("DAEMON", "1")
                // start child process
                cmd := exec.Command(os.Args[0], os.Args[1:]...)
                cmd.Start()
                // can exit now
                os.Exit(0)
        } else {
                // Should close stdin/stdout/stderr here
                // as proper daemon should
                os.Stdin.Close()
                os.Stdout.Close()
                os.Stderr.Close()
        }
}

func main() {
        time.Sleep(60 * time.Second)
}