终止进程在Golang中以os/exec开头
发布时间:2020-12-16 09:44:29 所属栏目:大数据 来源:网络整理
导读:有没有办法终止一个进程以os.exec开始在Golang?例如(从 http://golang.org/pkg/os/exec/#example_Cmd_Start), cmd := exec.Command("sleep","5")err := cmd.Start()if err != nil { log.Fatal(err)}log.Printf("Waiting for command to finish...")err = c
有没有办法终止一个进程以os.exec开始在Golang?例如(从
http://golang.org/pkg/os/exec/#example_Cmd_Start),
cmd := exec.Command("sleep","5") err := cmd.Start() if err != nil { log.Fatal(err) } log.Printf("Waiting for command to finish...") err = cmd.Wait() log.Printf("Command finished with error: %v",err) 有没有办法提前终止该进程,也许3秒后? 提前致谢
启动命令后:
done := make(chan error,1) go func() { done <- cmd.Wait() }() select { case <-time.After(3 * time.Second): if err := cmd.Process.Kill(); err != nil { log.Fatal("failed to kill: ",err) } log.Println("process killed as timeout reached") case err := <-done: if err != nil { log.Printf("process done with error = %v",err) } else { log.Print("process done gracefully without error") } } 或者: >过程结束,并通过完成接收其错误(如果有)> 3秒过去了,程序被杀死。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |