golang kill self

golang kill self

package main

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

func main() {
	// 创建一个信号通道
	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)

	// 启动一个goroutine等待信号
	go func() {
		sig := <-sigChan
		fmt.Printf("received signal %v, shutting down...\n", sig)
		// 1秒后给自己发送os.Interrupt信号
		time.AfterFunc(time.Second, func() {
			pid := os.Getpid()
			proc, err := os.FindProcess(pid)
			if err != nil {
				fmt.Printf("failed to find process %d: %v\n", pid, err)
				return
			}
			err = proc.Signal(os.Interrupt)
			if err != nil {
				fmt.Printf("failed to send signal %v to process %d: %v\n", os.Interrupt, pid, err)
			}
		})
	}()

	// 模拟程序运行
	for {
		fmt.Println("running...")
		time.Sleep(time.Second)
	}
}