Signal Processing

main.go

package main

import (
   "fmt"
   "github.com/langwan/langgo"
   "os"
   "syscall"
)

func main() {
   langgo.Run()
   done := make(chan struct{})
   langgo.SignalHandlers(func(sig os.Signal) {
      fmt.Printf("receive sig is %s\n", sig.String())
   }, syscall.SIGHUP, syscall.SIGUSR1)
   langgo.SignalNotify()
   fmt.Printf("pid = %d\n", os.Getpid())
   <-done
}

pid = 78602
receive sig is user defined signal 1
receive sig is hangup

send.sh

#!/usr/bin/env bash
kill -USR1 78602
sleep 1
kill -HUP 78602

78602 is os.Getpid() outputvalue

langgo-examples/0.5.x/Advanced/Signal-Processing at main · langwan/langgo-examplesGitHub