blob: 335a0a5c316e4b8fa66864af63059fa59c3ad506 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/*
* Wrapper functions for accessing the file_struct fd array.
*/
#ifndef __LINUX_FILE_H
#define __LINUX_FILE_H
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/posix_types.h>
struct file;
extern void __fput(struct file *);
extern void fput(struct file *);
extern void drop_file_write_access(struct file *file);
struct file_operations;
struct vfsmount;
struct dentry;
extern int init_file(struct file *, struct vfsmount *mnt,
struct dentry *dentry, fmode_t mode,
const struct file_operations *fop);
extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
fmode_t mode, const struct file_operations *fop);
static inline void fput_light(struct file *file, int fput_needed)
{
if (unlikely(fput_needed))
fput(file);
}
extern struct file *fget(unsigned int fd);
extern struct file *fget_light(unsigned int fd, int *fput_needed);
extern void set_close_on_exec(unsigned int fd, int flag);
extern void put_filp(struct file *);
extern int alloc_fd(unsigned start, unsigned flags);
extern int get_unused_fd(void);
#define get_unused_fd_flags(flags) alloc_fd(0, (flags))
extern void put_unused_fd(unsigned int fd);
extern void fd_install(unsigned int fd, struct file *file);
#endif /* __LINUX_FILE_H */
|
