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