dfs_file_ops结构体 参考

#include <dfs_file.h>

成员变量
int(*	open )(struct dfs_file *file)
int(*	close )(struct dfs_file *file)
int(*	ioctl )(struct dfs_file *file, int cmd, void *arg)
ssize_t(*	read )(struct dfs_file *file, void *buf, size_t count, off_t *pos)
ssize_t(*	write )(struct dfs_file *file, const void *buf, size_t count, off_t *pos)
int(*	flush )(struct dfs_file *file)
off_t(*	lseek )(struct dfs_file *file, off_t offset, int wherece)
int(*	truncate )(struct dfs_file *file, off_t offset)
int(*	getdents )(struct dfs_file *file, struct dirent *dirp, uint32_t count)
int(*	poll )(struct dfs_file *file, struct rt_pollreq *req)
int(*	mmap )(struct dfs_file *file, struct lwp_avl_struct *mmap)
int(*	lock )(struct dfs_file *file, struct file_lock *flock)
int(*	flock )(struct dfs_file *file, int, struct file_lock *flock)

详细描述

在文件 dfs_file.h 第 38 行定义.

结构体成员变量说明

open

int(* dfs_file_ops::open) (struct dfs_file *file)

在文件 dfs_file.h 第 40 行定义.

close

int(* dfs_file_ops::close) (struct dfs_file *file)

在文件 dfs_file.h 第 41 行定义.

ioctl

int(* dfs_file_ops::ioctl) (struct dfs_file *file, int cmd, void *arg)

在文件 dfs_file.h 第 42 行定义.

read

ssize_t(* dfs_file_ops::read) (struct dfs_file *file, void *buf, size_t count, off_t *pos)

在文件 dfs_file.h 第 43 行定义.

write

ssize_t(* dfs_file_ops::write) (struct dfs_file *file, const void *buf, size_t count, off_t *pos)

在文件 dfs_file.h 第 44 行定义.

flush

int(* dfs_file_ops::flush) (struct dfs_file *file)

在文件 dfs_file.h 第 45 行定义.

lseek

off_t(* dfs_file_ops::lseek) (struct dfs_file *file, off_t offset, int wherece)

在文件 dfs_file.h 第 46 行定义.

truncate

int(* dfs_file_ops::truncate) (struct dfs_file *file, off_t offset)

在文件 dfs_file.h 第 47 行定义.

getdents

int(* dfs_file_ops::getdents) (struct dfs_file *file, struct dirent *dirp, uint32_t count)

在文件 dfs_file.h 第 48 行定义.

poll

int(* dfs_file_ops::poll) (struct dfs_file *file, struct rt_pollreq *req)

在文件 dfs_file.h 第 49 行定义.

mmap

int(* dfs_file_ops::mmap) (struct dfs_file *file, struct lwp_avl_struct *mmap)

在文件 dfs_file.h 第 51 行定义.

lock

int(* dfs_file_ops::lock) (struct dfs_file *file, struct file_lock *flock)

在文件 dfs_file.h 第 52 行定义.

flock

int(* dfs_file_ops::flock) (struct dfs_file *file, int, struct file_lock *flock)

在文件 dfs_file.h 第 53 行定义.