Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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 drop_file_write_access(struct file *file);
16
17struct file_operations;
18struct vfsmount;
19struct dentry;
20struct path;
21extern struct file *alloc_file(struct path *, fmode_t mode,
22 const struct file_operations *fop);
23
24static inline void fput_light(struct file *file, int fput_needed)
25{
26 if (fput_needed)
27 fput(file);
28}
29
30extern struct file *fget(unsigned int fd);
31extern struct file *fget_light(unsigned int fd, int *fput_needed);
32extern struct file *fget_raw(unsigned int fd);
33extern struct file *fget_raw_light(unsigned int fd, int *fput_needed);
34extern void set_close_on_exec(unsigned int fd, int flag);
35extern void put_filp(struct file *);
36extern int alloc_fd(unsigned start, unsigned flags);
37extern int get_unused_fd(void);
38#define get_unused_fd_flags(flags) alloc_fd(0, (flags))
39extern void put_unused_fd(unsigned int fd);
40
41extern void fd_install(unsigned int fd, struct file *file);
42
43#endif /* __LINUX_FILE_H */