package main

import (
	"log"
	"os"
	"os/signal"
	"syscall"
)

func waitForControlC() {
	sigc := make(chan os.Signal, 1)

	signal.Notify(sigc, syscall.SIGHUP, syscall.SIGINT, syscall.SIGQUIT)

	sig := <-sigc
	log.Printf("signal %v received, shutting down", sig)

	go func() {
		sig2 := <-sigc
		log.Fatal("second kill signal %v received", sig2)
	}()

	os.Exit(0)
}