GoLang - Daemonize a own process on runtime (MacOS / Linux)

daemonize.go

package main

import (
	"os"
	"time"
	"syscall"
)

func main() {
	daemonize()
	for {
		time.Sleep(time.Second)
		// do stuff here
	}
}

func daemonize() {
	var initial = os.Getppid()
	syscall.Syscall(syscall.SYS_FORK, 0, 0, 0)

	if os.Getppid() == initial {
		os.Exit(0)
	}

	var secondary = os.Getpid()
	syscall.Syscall(syscall.SYS_FORK, 0, 0, 0)

	if os.Getppid() == secondary {
		os.Exit(0)
	}

	syscall.Syscall(syscall.SYS_SETSID, 0, 0, 0)
	syscall.Syscall(syscall.SYS_CLOSE, 0, 0, 0)
	syscall.Syscall(syscall.SYS_CLOSE, 1, 0, 0)
	syscall.Syscall(syscall.SYS_CLOSE, 2, 0, 0)
}