//process.c

#include<linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>

static int __init process_init(void)
{
    int result = 0;
    struct task_struct *p;
    read_lock(&tasklist_lock);//锁
    for_each_process(p)
    {
        printk("pid=%d,name=%s\n",p->tgid,p->comm);
    }
    read_unlock(&tasklist_lock);
    return result;
}

static void __exit process_exit(void)
{
    printk("process_exit");
}

module_init(process_init);
module_exit(process_exit);

MODULE_LICENSE("GPL");