[net-next-2.6.git] / include / linux / file.h

/*
 * 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 drop_file_write_access(struct file *file);

struct file_operations;
struct vfsmount;
struct dentry;
struct path;
extern struct file *alloc_file(struct path *, 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 */
Commit	Line	Data
	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 */