函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\tomoyo\tomoyo.c Create Date:2022-07-27 21:15:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：moyo_file_fcntl - Target for security_file_fcntl().*@file: Pointer to "struct file".*@cmd: Command for fcntl().*@arg: Argument for @cmd.* Returns 0 on success, negative value otherwise.

函数原型：static int tomoyo_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)

返回类型：int

参数：

类型参数名称
struct file *file
unsigned intcmd
unsigned longarg
300  如果非cmd恒等于F_SETFL且arg按位异或f_flags的值按位与O_APPEND的值则返回:0
302  返回:moyo_check_open_permission - Check permission for "read" and "write".*@domain: Pointer to "struct tomoyo_domain_info".*@path: Pointer to "struct path".*@flag: Flags for open().* Returns 0 on success, negative value otherwise.