current-> pid如何在Linux中工作? [英] how does current->pid work for linux?

问题描述

我需要包含一个库吗?有人可以详细说明吗?

Do I need to include a library? Can anyone please elaborate in it?

我知道用来获取当前任务的进程ID，

I know is used to get the process id of the current task where is being called from

但是我想用current-> pid

But I want to printk something with current->pid

printk(我当前的进程ID/pid为％d \ n"，当前-> pid);

...给我一个错误

错误:将指针解引用为不完整的类型

推荐答案

您正在寻找 #include< linux/sched.h> .这就是 task_struct 的声明位置.

You're looking for #include <linux/sched.h>. That's where task_struct is declared.

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