C/C++ 进程如何知道它是否在后台运行? [英] How can a C/C++ process know if it runs in background?

问题描述

我的进程中有一个方法，只有在进程不在后台时才应该运行该方法.如何动态测试当前进程是否在后台?谢谢

I have a method in my process that should be run only if the process is not in background. How can I dynamically test if the current process is in background ? Thanks

推荐答案

查看 Unix 常见问题:进程如何检测它是否在后台运行?

Check out Unix FAQ: How can a process detect if it's running in the background?

一般答案是:你无法判断你是否在后台运行.

General answer is: You can't tell if you're running in the background.

但你可以检查标准输入是否是终端:if(isatty(0)) { ... }

But you can check if stdin is a terminal: if(isatty(0)) { ... }

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