Handle OS Signals
Examples
Filter
package main
import (
"fmt"
"os"
"os/signal"
"syscall"
)
func main() {
// Go signal notification works by sending os.Signal values on a channel.
// We’ll create a channel to receive these notifications (we’ll also make one to notify us when the program can exit).
sigs := make(chan os.Signal, 1)
done := make(chan bool, 1)
// signal.Notify registers the given channel to receive notifications of the specified signals.
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
// This goroutine executes a blocking receive for signals.
// When it gets one it’ll print it out and then notify the program that it can finish.
go func() {
sig := <-sigs
fmt.Println()
fmt.Println(sig)
done <- true
}()
fmt.Println("awaiting signal")
<-done
fmt.Println("exiting")
}