basic/kernel_param/kernel_param.c · 五灯/LearningLinuxKernel

Fetch the repository succeeded.

Scan WeChat QR to Pay

Cancel

Complete

richgiteeai

Watch

Unwatch Watching Releases Only Ignoring

1 Star 0 Fork 19

五灯/LearningLinuxKernel

forked from linuxkerneltravel/LearningLinuxKernel

Code Issues 0 Pull Requests 0 Wiki Insights Pipelines

Service

Tencent Cloud Serverless

Create your Gitee Account

Explore and code with more than 14 million developers,Free private repositories !:)

Already have an account? Sign in

文件

master

Branches (3)

Manage

master

revert-6-patch-1

add-license-1

Clone or Download

Clone/Download

HTTPS SSH SVN SVN+SSH Download ZIP

Prompt

To download the code, please copy the following command and execute it in the terminal

To ensure that your submitted code identity is correctly recognized by Gitee, please execute the following command.

git config --global user.name userName 
git config --global user.email userEmail

When using the SSH protocol for the first time to clone or push code, follow the prompts below to complete the SSH configuration.

1 Generate RSA keys.

2 Obtain the content of the RSA public key and configure it in SSH Public Keys

To use SVN on Gitee, please visit the usage guide

When using the HTTPS protocol, the command line will prompt for account and password verification as follows. For security reasons, Gitee recommends configure and use personal access tokens instead of login passwords for cloning, pushing, and other operations.

Username for 'https://gitee.com': userName

Password for 'https://userName@gitee.com': # Private Token

Branches 3

Tags 0

LearningLinuxKernel

basic

kernel_param

kernel_param.c

kernel_param.c 1.30 KB

/**********************************************************
 * Author : 梁金荣
 * Email : Liangjinrong111@163.com
 * Last modified : 2019年09月14日 13:00
 * Filename : exnum.c
 * Description : 模块初始化函数中求最大数(使用内核中的代码)
 * *******************************************************/

/**
 *必要的头文件
 */
#include<linux/kernel.h>
#include<linux/module.h>
#include<linux/init.h>

static int a,b ;
module_param(a, int, 0644);
MODULE_PARM_DESC(a, "data of a");
module_param(b, int, 0644);
MODULE_PARM_DESC(b, "data of b");
/**
 *模块的初始化函数,模块的入口函数,加载模块,需超级用户权限
 */
static int __init lk_exnum(void)
{
		printk("Linux kernel param max number module is starting here!\n");
		printk("a = %d, b = %d\n", a, b);
 printk("max=%d\n", max(a,b));
	return 0;
}

/**
 *出口函数,卸载模块,需超级用户权限
 */
static void __exit lk_exit(void)
{
	printk("Linux kernel param max number moudle has exited!\n");
}

module_init(lk_exnum); //内核入口点,调用初始化函数,包含在module.h中
module_exit(lk_exit); //出口点
MODULE_LICENSE("GPL"); //许可证
MODULE_AUTHOR("ljr"); //作者(非必须)
MODULE_DESCRIPTION("Linux kernel param max number"); //模块描述(非必须)

Copy Edit Raw Blame History

nlage authored 2022年01月04日 15:31 +08:00 . rename.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

/**********************************************************
 * Author : 梁金荣
 * Email : Liangjinrong111@163.com
 * Last modified : 2019年09月14日 13:00
 * Filename : exnum.c
 * Description : 模块初始化函数中求最大数(使用内核中的代码)
 * *******************************************************/

/**
 *必要的头文件
 */
#include<linux/kernel.h>
#include<linux/module.h>
#include<linux/init.h>

static int a,b ;
module_param(a, int, 0644);
MODULE_PARM_DESC(a, "data of a");
module_param(b, int, 0644);
MODULE_PARM_DESC(b, "data of b");
/**
 *模块的初始化函数,模块的入口函数,加载模块,需超级用户权限
 */
static int __init lk_exnum(void)
{
		printk("Linux kernel param max number module is starting here!\n");
		printk("a = %d, b = %d\n", a, b);
 printk("max=%d\n", max(a,b));
	return 0;
}

/**
 *出口函数,卸载模块,需超级用户权限
 */
static void __exit lk_exit(void)
{
	printk("Linux kernel param max number moudle has exited!\n");
}

module_init(lk_exnum); //内核入口点,调用初始化函数,包含在module.h中
module_exit(lk_exit); //出口点
MODULE_LICENSE("GPL"); //许可证
MODULE_AUTHOR("ljr"); //作者(非必须)
MODULE_DESCRIPTION("Linux kernel param max number"); //模块描述(非必须)