在golang中程序退出后如何保持子进程运行? [英] how to keep subprocess running after program exit in golang?
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问题描述
我注意到使用 Start()创建的子流程将在程序退出后终止，例如:
i noticed that subprocesses created using Start() will be terminated after program exit, for example:
package main
import "os/exec"
func main() {
cmd := exec.Command("sh", "test.sh")
cmd.Start()
}
当 main()退出时， test.sh 将停止运行
推荐答案
子进程应在进程结束后继续运行，只要它干净地结束即可，如果您按 ^ C 不会发生代码>.您可以做的是拦截发送到您的过程的信号，这样您就可以干净地结束了.
The subprocess should continue to run after your process ends, as long as it ends cleanly, which won't happen if you hit ^C.
What you can do is intercept the signals sent to your process so you can end cleanly.
sigchan := make(chan os.Signal, 1)
signal.Notify(sigchan,
syscall.SIGINT,
syscall.SIGKILL,
syscall.SIGTERM,
syscall.SIGQUIT)
go func() {
s := <-sigchan
// do anything you need to end program cleanly
}()
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