golang cat signal

signal.go

package main

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

func main() {
	log.Printf("Service started, pid: [ %d ]", os.Getpid())
	defer log.Println("Service stopped")

	sigChan := make(chan os.Signal)

	signal.Ignore()
	signal.Notify(sigChan)

	for sig := range sigChan {
		log.Printf("Got signal [ %s ]\n", sig.String())

		if sig == syscall.SIGUSR2 {
			log.Println("quit")
			return
		}
	}

}