Programs cannot catch SIGKILL

console

$ go build sigkill.go
$ ./sigkill &
[1] 13969
$ kill %1
[1]+  Exit 2                  ./sigkill

sigkill.go

package main

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

func main() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Kill)
	<-c
	// This will never be printed, because we cannot catch a SIGKILL.
	fmt.Println("caught SIGKILL")
}