函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\file.c Create Date:2022-07-29 10:38:43
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__set_open_fd

函数原型：static inline void __set_open_fd(unsigned int fd, struct fdtable *fdt)

返回类型：void

参数：

类型参数名称
unsigned intfd
struct fdtable *fdt
241  __set_bit - Set a bit in memory*@nr: the bit to set*@addr: the address to start counting from* Unlike set_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation* succeeds.
242  fd除等于BITS_PER_LONG
243  如果非open_fds[fd]的反则__set_bit - Set a bit in memory*@nr: the bit to set*@addr: the address to start counting from* Unlike set_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation* succeeds.
调用者
名称描述
__alloc_fdallocate a file descriptor, mark it busy.
do_dup2