在这种情况下不需要输出错误消息，因为文件描述符0到2只是在攻击者试图去搅乱您的程序的时候才会被关闭。

There's no need to print error messages for this case since file descriptors 0 through 2 are only closed if an attacker is trying to subvert your program.

youdao

在这种情况下不需要输出错误消息，因为文件描述符0到2只是在攻击者试图去搅乱您的程序的时候才会被关闭。

There's no need to print error messages for this case since file descriptors 0 through 2 are only closed if an attacker is trying to subvert your program.

youdao