/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2006,
- 2007, 2009, 2010 Free Software Foundation, Inc.
+ 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
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
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
__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