fdtable.h File Reference

#include <linux/posix_types.h>
#include <linux/compiler.h>
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/atomic.h>

Go to the source code of this file.

Data Structures
struct	fdtable
struct	files_struct

Macros
#define	NR_OPEN_DEFAULT   BITS_PER_LONG
#define	rcu_dereference_check_fdtable(files, fdtfd)
#define	files_fdtable(files)   (rcu_dereference_check_fdtable((files), (files)->fdt))
#define	fcheck(fd)   fcheck_files(current->files, fd)

Functions
void __init	files_defer_init (void)
struct files_struct *	get_files_struct (struct task_struct *)
void	put_files_struct (struct files_struct *fs)
void	reset_files_struct (struct files_struct *)
void	daemonize_descriptors (void)
int	unshare_files (struct files_struct **)
struct files_struct *	dup_fd (struct files_struct *, int *)
void	do_close_on_exec (struct files_struct *)
int	iterate_fd (struct files_struct *, unsigned, int(*)(const void *, struct file *, unsigned), const void *)
int	__alloc_fd (struct files_struct *files, unsigned start, unsigned end, unsigned flags)
void	__fd_install (struct files_struct *files, unsigned int fd, struct file *file)
int	__close_fd (struct files_struct *files, unsigned int fd)

Variables
struct kmem_cache *	files_cachep

Macro Definition Documentation

#define fcheck

(

fd

)

fcheck_files(current->files, fd)

Definition at line 91 of file fdtable.h.

#define files_fdtable

(

files

)

(rcu_dereference_check_fdtable((files), (files)->fdt))

Definition at line 69 of file fdtable.h.

#define NR_OPEN_DEFAULT   BITS_PER_LONG

Definition at line 22 of file fdtable.h.

#define rcu_dereference_check_fdtable	(		files,
			fdtfd
	)

Value:

(rcu_dereference_check((fdtfd), \
                   lockdep_is_held(&(files)->file_lock) || \
                   atomic_read(&(files)->count) == 1 || \
                   rcu_my_thread_group_empty()))

Definition at line 63 of file fdtable.h.

Function Documentation

int __alloc_fd	(	struct files_struct *	files,
		unsigned	start,
		unsigned	end,
		unsigned	flags
	)

Definition at line 531 of file file.c.

int __close_fd	(	struct files_struct *	files,
		unsigned int	fd
	)

void __fd_install	(	struct files_struct *	files,
		unsigned int	fd,
		struct file *	file
	)

Definition at line 638 of file file.c.

void daemonize_descriptors

(

void

)

Definition at line 522 of file file.c.

void do_close_on_exec

(

struct files_struct *

)

Definition at line 682 of file file.c.

struct files_struct* dup_fd ( struct files_struct *  , int *    )

read

Definition at line 298 of file file.c.

void __init files_defer_init

(

void

)

Definition at line 501 of file file.c.

struct files_struct* get_files_struct ( struct task_struct *  )

read

Definition at line 439 of file file.c.

int iterate_fd	(	struct files_struct *	,
		unsigned	,
		int(*)(const void *, struct file *, unsigned)	,
		const void *
	)

Definition at line 992 of file file.c.

void put_files_struct

(

struct files_struct *

fs

)

Definition at line 452 of file file.c.

void reset_files_struct

(

struct files_struct *

)

Definition at line 469 of file file.c.

int unshare_files

(

struct files_struct **

)

Definition at line 1850 of file fork.c.

Variable Documentation

struct kmem_cache* files_cachep

Definition at line 189 of file fork.c.