A demo of signal handling in go.

test_signal.go

package main

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

func main() {
    c := make(chan os.Signal)
    signal.Notify(c)  // receive all signals

    select {
    case sig := <-c:
        switch sig {
        case syscall.SIGHUP:
            fmt.Println("Recv SIGHUP:", sig)
        case syscall.SIGINT:
            fmt.Println("Recv SIGINT:", sig)
        case syscall.SIGQUIT:
            fmt.Println("Recv SIGQUIT:", sig)
        case syscall.SIGTERM:
            fmt.Println("Recv SIGTERM:", sig)
        default:
            fmt.Println("Unknown signal:", sig)
        }
    }
}