Simple Daemon

gistfile1.go

package main

import (
	"bitbucket.org/madmo/daemonize"
	"fmt"
	"log"
	"log/syslog"
	"os"
	"os/signal"
)

func main() {
	// Syslog logging
	logger, err := syslog.New(syslog.LOG_EMERG, "go-daemon")
	if err != nil {
		log.Printf("Can't open syslog connection: %v", err)
		return
	}

	// Become a daemon
	p, err := daemonize.Daemonize(false, false)
	if err != nil {
		// Daemonize failed
		logger.Emerg(fmt.Sprintf("Can't daemonize: %v", err))
		return
	}

	// We are the parent, exit
	if p != nil {
		return
	}

	// Do Daemon stuff here
	logger.Info("Daemon up and running")

	sigs := make(chan os.Signal, 1)
	signal.Notify(sigs, os.Interrupt, os.Kill)

	logger.Info(fmt.Sprintf("Got signal (%s), exiting", (<-sigs).String()))
}