我的C / C ++应用程序如何确定root用户执行命令？ [英] How can my C/C++ application determine if the root user is executing the command?

问题描述

我写需要root用户权限执行应用程序。如果由非root用户执行，它将退出并用PERROR消息，如终止：

I am writing an application that requires root user privileges to execute. If executed by a non root user, it exits and terminates with a perror message such as:

    pthread_getschedparam: Operation not permitted

我想使应用更加人性化。由于其早期初始化的一部分，我想它来检查，​​如果是由root或不执行它。如果不是根用户，它会present表明它只能由root运行，然后终止的消息。

I would like to make the application more user friendly. As part of its early initialization I would like it to check if it is being executed by root or not. And if not root, it would present a message indicating that it can only be run by root, and then terminate.

在此先感谢您的帮助。

推荐答案

的getuid 或 geteuid 是显而易见的选择。

getuid or geteuid would be the obvious choices.

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