函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\reboot.c Create Date:2022-07-27 10:33:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：run_cmd

函数原型：static int run_cmd(const char *cmd)

返回类型：int

参数：

类型参数名称
const char *cmd
425  static char * envp[] = {"HOME=/", "PATH=/sbin:/bin:/usr/sbin:/usr/bin", NULL}
431  argv等于argv_split - split a string at whitespace, returning an argv*@gfp: the GFP mask used to allocate memory*@str: the string to be split*@argcp: returned argument count* Returns an array of pointers to strings which are split out from*@str
432  如果argv则
433  ret等于all_usermodehelper() - prepare and start a usermode application*@path: path to usermode executable*@argv: arg vector for process*@envp: environment for process*@wait: wait for the application to finish and return status
434  释放参数
435  否则
436  ret等于负ENOMEM
439  返回:ret
调用者
名称描述
__orderly_reboot
__orderly_poweroff