defer on kill

 package main

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

 func main() {
     fmt.Println("hi")
     defer func() {
         fmt.Println("main over!")
     }()

     exitChan := make(chan int)
     signalChan := make(chan os.Signal, 1)
     go func() {
         <-signalChan
         exitChan <- 1
     }()
     signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)

     //  time.Sleep(1 * time.Minute)
     <-exitChan
 }