package main

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

func doSomething() {
        fmt.Println(time.Now())
}

func main() {
        sc := make(chan os.Signal, 1)
        signal.Notify(sc, os.Interrupt)
loop:
        for {
                select {
                case <- sc:
                        fmt.Println("interrupt")
                        break loop
                        //os.Exit(0)
                case <-time.After(2 * time.Second):
                        doSomething()
                }
        }
}