package signals

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

func Signals() {
	// chan MUST be buffered
	signals := make(chan os.Signal, 1)

	signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM)

	done := make(chan bool, 1)

	go doWork(done, signals)

	fmt.Println("Awaiting signal")
	<-done
	fmt.Println("Received done, program exiting")
}

func doWork(done chan<- bool, signals <-chan os.Signal) {
	sig := <-signals
	fmt.Println()
	fmt.Println("Received signal:", sig)
	done <- true
}