2011-04-01 Ulrich Drepper <drepper@gmail.com>
+ * sysdeps/unix/sysv/linux/Versions [GLIBC_2.14] (name_to_handle_at,
+ open_by_handle): Add.
+ * sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Define struct file_handle
+ and MAX_HANDLE_SZ. Declare name_to_handle_at and open_by_handle.
+ Augment a few comments.
+ * sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: Likewise.
+ * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/bits/fcntl.h: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: Likewise.
+ * sysdeps/unix/sysv/linux/syscalls.list: Add name_to_handle_at and
+ open_by_handle.
+
* io/fcntl.h (AT_EMPTY_PATH): Define.
2011-03-30 Ulrich Drepper <drepper@gmail.com>
-GNU C Library NEWS -- history of user-visible changes. 2011-3-30
+GNU C Library NEWS -- history of user-visible changes. 2011-4-1
Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
See the end for copying conditions.
\f
Version 2.14
-* New Linux interfaces: clock_adjtime
+* New Linux interfaces: clock_adjtime, name_to_handle_at, open_by_handle
* The following bugs are resolved with this release:
}
GLIBC_2.14 {
clock_adjtime;
+
+ name_to_handle_at; open_by_handle;
}
GLIBC_PRIVATE {
# functions used in other libraries
/* O_*, F_*, FD_* bit values for Linux.
- Copyright (C) 1995, 1996, 1997, 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.
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
/* O_*, F_*, FD_* bit values for Linux/IA64.
- Copyright (C) 1999, 2000, 2004, 2006, 2007, 2009, 2010
+ Copyright (C) 1999, 2000, 2004, 2006, 2007, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
__THROW;
-/* Selective file content synch'ing. */
+/* Selective file content synch'ing.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
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
__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
/* O_*, F_*, FD_* bit values for Linux.
- Copyright (C) 2000-2002,2004,2006,2007,2009,2010
+ Copyright (C) 2000-2002,2004,2006,2007,2009,2010,2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
__THROW;
-/* Selective file content synch'ing. */
+/* Selective file content synch'ing.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
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
__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
-/* O_*, F_*, FD_* bit values for Linux.
- Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009, 2010
+/* O_*, F_*, FD_* bit values for Linux/SH.
+ Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
__THROW;
-/* Selective file content synch'ing. */
+/* Selective file content synch'ing.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
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
__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
/* O_*, F_*, FD_* bit values for Linux/SPARC.
- Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010
+ Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
__THROW;
-/* Selective file content synch'ing. */
+/* Selective file content synch'ing.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
unsigned int __flags);
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
timerfd_gettime EXTRA timerfd_gettime i:ip timerfd_gettime
fanotify_init EXTRA fanotify_init i:ii fanotify_init
+
+name_to_handle_at EXTRA name_to_handle_at i:isppi name_to_handle_at
+open_by_handle EXTRA open_by_handle Ci:ipi open_by_handle
/* O_*, F_*, FD_* bit values for Linux/x86-64.
- Copyright (C) 2001,2002,2004,2006,2007,2009,2010
+ Copyright (C) 2001,2002,2004,2006,2007,2009,2010,2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
__THROW;
-/* Selective file content synch'ing. */
+/* Selective file content synch'ing.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
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
extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
__off64_t __len);
# endif
-#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 /* use GNU */
__END_DECLS