device number(dev_t)
来源:互联网 发布:树莓派gpio编程 编辑:程序博客网 时间:2024/06/17 07:11
dev_t
description:
the dev_t type in is used to hold device numbers—both the major and minor
parts.
header:
#include
constructor:
MKDEV(int major, int minor);
method:
MAJOR(dev_t dev); //obtain the major part of a dev_t
MINOR(dev_t dev); //obtain the minor part of a dev_t
register_chrdev_region(); //manually obtain(register) device numbers
from the system
alloc_chrdev_region(); //allocate a major number by kernel
unregister_chrdev_region(); //free the device number back to kernel
int print_dev_t(char *buffer, dev_t dev); //encode the device number into the given buffer; char *format_dev_t(char *buffer, dev_t dev); //encode the device number into the given buffer;
- device number(dev_t)
- device number(dev_t)
- dev_t
- struct device *device_create(struct class *class, struct device *parent, dev_t devt, void *drvdata,
- dev_t、mode_t
- dev_t类型
- linux iminor imajor dev_t
- Getting the Preferred Audio Device Number
- Getting device phone number using extended TAPI
- struct block_device *bdget(dev_t dev)
- Linux系统设备(device)的major和minor number
- conflicting types for 'dev_t'的原因
- file-fops-inode-dev_t之间一些关系
- device
- device
- device
- int cdev_add(struct cdev *p, dev_t dev, unsigned count)
- DEBUG (blkif:27) exception looking up device number for xvda: [Errno 2] No such file or directory: '
- Filter-servlet Java servlet 之过滤器Filter详解
- 游戏资源的压缩、打包与补丁更新
- Expert C Programing—阅读笔记一
- eclipse 配置 sqlite教程
- Hadoop集群环境部署_lzo
- device number(dev_t)
- ulogd2.0的安装
- 折半插入排序
- LINUX网络编程
- CodeBlocks使用静态链接库
- C#异步
- ACM基本算法分类、推荐学习资料和配套pku习题
- Binder机制之Server端—MediaPlayerService::instantiate()
- android 内存溢出问题分析