handles signals, don't send -9 ;P

signals.go

package main

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

func main() {
	// Set up a channel on which to send signal notifications
	// We must use a buffered channel or risk missing the signal
	// If we are not ready to receive when the signal is sent

	// c is a channel that will hold 1 os.signal
	c := make(chan os.Signal, 1)

	// relay incoming signals to c
	// if not signals are listed all signals wil
	signal.Notify(c)

	// block until a signal is received
	for i := 0; i < 10; i++ {
		s := <-c

		// to send the INFO signal one just do
		//		kill -INFO $(pgrep signals)
		if s == syscall.SIGINFO {
			fmt.Printf("%s counter decrimented!\n", s)
			if i > 1 {
				i = i - 2
			}
			fmt.Println("counter:", i)
		} else {
			fmt.Println("signal:", s, "counter:", i)
		}
	}
}