函数逻辑报告 |
Source Code:fs\char_dev.c |
Create Date:2022-07-29 10:32:39 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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注解内核,赢得工具 | 下载SCCT | English |
函数名称:__unregister_chrdev_region
函数原型:static struct char_device_struct *__unregister_chrdev_region(unsigned major, unsigned baseminor, int minorct)
返回类型:struct char_device_struct
参数:
类型 | 参数 | 名称 |
---|---|---|
unsigned | major | |
unsigned | baseminor | |
int | minorct |
175 | i等于dex in the above |
177 | mutex_lock( & chrdevs_lock) |
182 | 退出 |
183 | 如果cp则 |
188 | 返回:cd |
名称 | 描述 |
---|---|
register_chrdev_region | gister_chrdev_region() - register a range of device numbers*@from: the first in the desired range of device numbers; must include* the major number.*@count: the number of consecutive device numbers required*@name: the name of the device or driver. |
__register_chrdev | __register_chrdev() - create and register a cdev occupying a range of minors*@major: major device number or 0 for dynamic allocation*@baseminor: first of the requested range of minor numbers*@count: the number of minor numbers required*@name: name of this |
unregister_chrdev_region | register_chrdev_region() - unregister a range of device numbers*@from: the first in the range of numbers to unregister*@count: the number of device numbers to unregister* This function will unregister a range of @count device numbers,* starting with @from |
__unregister_chrdev | __unregister_chrdev - unregister and destroy a cdev*@major: major device number*@baseminor: first of the range of minor numbers*@count: the number of minor numbers this cdev is occupying*@name: name of this range of devices* Unregister and destroy the |
源代码转换工具 开放的插件接口 | X |
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支持:c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现:逻辑报告 代码生成和批量转换代码 |