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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 | |
12 | struct file; |
13 | |
14 | extern void fput(struct file *); |
15 | extern void drop_file_write_access(struct file *file); |
16 | |
17 | struct file_operations; |
18 | struct vfsmount; |
19 | struct dentry; |
20 | struct path; |
21 | extern struct file *alloc_file(struct path *, fmode_t mode, |
22 | const struct file_operations *fop); |
23 | |
24 | static inline void fput_light(struct file *file, int fput_needed) |
25 | { |
26 | if (unlikely(fput_needed)) |
27 | fput(file); |
28 | } |
29 | |
30 | extern struct file *fget(unsigned int fd); |
31 | extern struct file *fget_light(unsigned int fd, int *fput_needed); |
32 | extern void set_close_on_exec(unsigned int fd, int flag); |
33 | extern void put_filp(struct file *); |
34 | extern int alloc_fd(unsigned start, unsigned flags); |
35 | extern int get_unused_fd(void); |
36 | #define get_unused_fd_flags(flags) alloc_fd(0, (flags)) |
37 | extern void put_unused_fd(unsigned int fd); |
38 | |
39 | extern void fd_install(unsigned int fd, struct file *file); |
40 | |
41 | #endif /* __LINUX_FILE_H */ |
42 |
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od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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