Add name_to_handle_at, open_by_handle etc. to ARM bits/fcntl.h.

This commit is contained in:
Joseph Myers 2011-04-01 16:18:40 +00:00
parent 0f53d140ec
commit 82be5f39a0
2 changed files with 49 additions and 5 deletions

View file

@ -1,3 +1,9 @@
2011-04-01 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/arm/bits/fcntl.h: Define struct
file_handle and MAX_HANDLE_SZ. Declare name_to_handle_at and
open_by_handle. Augment a few comments.
2011-03-21 Ulrich Weigand <ulrich.weigand@linaro.org>
* sysdeps/arm/linuxthreads: Remove directory.

View file

@ -1,5 +1,5 @@
/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010
Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -232,6 +232,19 @@ struct f_owner_ex
we splice from/to). */
# define SPLICE_F_MORE 4 /* Expect more data. */
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
/* File handle structure. */
struct file_handle
{
unsigned int handle_bytes;
int handle_type;
/* File identifier. */
unsigned char f_handle[0];
};
/* Maximum handle size (for now). */
# define MAX_HANDLE_SZ 128
#endif
__BEGIN_DECLS
@ -248,20 +261,32 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
unsigned int __flags);
/* Splice address range into a pipe. */
/* Splice address range into a pipe.
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
size_t __count, unsigned int __flags);
/* Splice two files together. */
/* Splice two files together.
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
__off64_t *__offout, size_t __len,
unsigned int __flags);
/* In-kernel implementation of tee for pipe buffers. */
/* In-kernel implementation of tee for pipe buffers.
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern ssize_t tee (int __fdin, int __fdout, size_t __len,
unsigned int __flags);
/* Reserve storage for the data of the file associated with FD. */
/* Reserve storage for the data of the file associated with FD.
This function is a possible cancellation point and therefore not
marked with __THROW. */
# ifndef __USE_FILE_OFFSET64
extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
# else
@ -278,6 +303,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
__off64_t __len);
# endif
/* Map file name to file handle. */
extern int name_to_handle_at (int __dfd, const char *__name,
struct file_handle *__handle, int *__mnt_id,
int __flags) __THROW;
/* Open file using the file handle.
This function is a possible cancellation point and therefore not
marked with __THROW. */
extern int open_by_handle (int __mountdirfd, struct file_handle *__handle,
int __flags);
#endif
__END_DECLS