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Add support for name_to_handle_at and open_by_handle.
This commit is contained in:
Ulrich Drepper
parent
46998f7457
commit
158648c0bd
13
ChangeLog
13
ChangeLog
@ -1,5 +1,18 @@
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2011-04-01 Ulrich Drepper <drepper@gmail.com>
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* sysdeps/unix/sysv/linux/Versions [GLIBC_2.14] (name_to_handle_at,
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open_by_handle): Add.
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* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Define struct file_handle
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and MAX_HANDLE_SZ. Declare name_to_handle_at and open_by_handle.
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Augment a few comments.
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* sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: Likewise.
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* sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise.
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* sysdeps/unix/sysv/linux/sh/bits/fcntl.h: Likewise.
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* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: Likewise.
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* sysdeps/unix/sysv/linux/syscalls.list: Add name_to_handle_at and
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open_by_handle.
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* io/fcntl.h (AT_EMPTY_PATH): Define.
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2011-03-30 Ulrich Drepper <drepper@gmail.com>
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4
NEWS
4
NEWS
@ -1,4 +1,4 @@
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GNU C Library NEWS -- history of user-visible changes. 2011-3-30
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GNU C Library NEWS -- history of user-visible changes. 2011-4-1
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Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
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See the end for copying conditions.
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@ -7,7 +7,7 @@ using `glibc' in the "product" field.
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Version 2.14
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* New Linux interfaces: clock_adjtime
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* New Linux interfaces: clock_adjtime, name_to_handle_at, open_by_handle
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* The following bugs are resolved with this release:
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@ -156,6 +156,8 @@ libc {
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}
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GLIBC_2.14 {
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clock_adjtime;
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name_to_handle_at; open_by_handle;
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}
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GLIBC_PRIVATE {
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# functions used in other libraries
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@ -1,5 +1,5 @@
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009, 2010
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Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -232,6 +232,19 @@ struct f_owner_ex
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we splice from/to). */
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# define SPLICE_F_MORE 4 /* Expect more data. */
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# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
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/* File handle structure. */
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struct file_handle
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{
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unsigned int handle_bytes;
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int handle_type;
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/* File identifier. */
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unsigned char f_handle[0];
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};
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/* Maximum handle size (for now). */
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# define MAX_HANDLE_SZ 128
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#endif
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__BEGIN_DECLS
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@ -248,20 +261,32 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
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unsigned int __flags);
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/* Splice address range into a pipe. */
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/* Splice address range into a pipe.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
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size_t __count, unsigned int __flags);
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/* Splice two files together. */
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/* Splice two files together.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
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__off64_t *__offout, size_t __len,
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unsigned int __flags);
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/* In-kernel implementation of tee for pipe buffers. */
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/* In-kernel implementation of tee for pipe buffers.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t tee (int __fdin, int __fdout, size_t __len,
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unsigned int __flags);
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/* Reserve storage for the data of the file associated with FD. */
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/* Reserve storage for the data of the file associated with FD.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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# ifndef __USE_FILE_OFFSET64
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extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
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# else
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@ -278,6 +303,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
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__off64_t __len);
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# endif
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/* Map file name to file handle. */
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extern int name_to_handle_at (int __dfd, const char *__name,
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struct file_handle *__handle, int *__mnt_id,
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int __flags) __THROW;
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/* Open file using the file handle.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern int open_by_handle (int __mountdirfd, struct file_handle *__handle,
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int __flags);
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#endif
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__END_DECLS
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@ -1,5 +1,5 @@
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/* O_*, F_*, FD_* bit values for Linux/IA64.
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Copyright (C) 1999, 2000, 2004, 2006, 2007, 2009, 2010
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Copyright (C) 1999, 2000, 2004, 2006, 2007, 2009, 2010, 2011
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -227,6 +227,19 @@ struct f_owner_ex
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we splice from/to). */
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# define SPLICE_F_MORE 4 /* Expect more data. */
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# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
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/* File handle structure. */
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struct file_handle
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{
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unsigned int handle_bytes;
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int handle_type;
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/* File identifier. */
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unsigned char f_handle[0];
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};
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/* Maximum handle size (for now). */
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# define MAX_HANDLE_SZ 128
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#endif
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__BEGIN_DECLS
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@ -238,25 +251,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
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__THROW;
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/* Selective file content synch'ing. */
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/* Selective file content synch'ing.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
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unsigned int __flags);
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/* Splice address range into a pipe. */
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/* Splice address range into a pipe.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
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size_t __count, unsigned int __flags);
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/* Splice two files together. */
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/* Splice two files together.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
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__off64_t *__offout, size_t __len,
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unsigned int __flags);
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/* In-kernel implementation of tee for pipe buffers. */
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/* In-kernel implementation of tee for pipe buffers.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t tee (int __fdin, int __fdout, size_t __len,
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unsigned int __flags);
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/* Reserve storage for the data of the file associated with FD. */
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/* Reserve storage for the data of the file associated with FD.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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# ifndef __USE_FILE_OFFSET64
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extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
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# else
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@ -273,6 +301,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
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__off64_t __len);
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# endif
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/* Map file name to file handle. */
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extern int name_to_handle_at (int __dfd, const char *__name,
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struct file_handle *__handle, int *__mnt_id,
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int __flags) __THROW;
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/* Open file using the file handle.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern int open_by_handle (int __mountdirfd, struct file_handle *__handle,
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int __flags);
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#endif
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__END_DECLS
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@ -1,5 +1,5 @@
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 2000-2002,2004,2006,2007,2009,2010
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Copyright (C) 2000-2002,2004,2006,2007,2009,2010,2011
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -253,6 +253,19 @@ struct f_owner_ex
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we splice from/to). */
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# define SPLICE_F_MORE 4 /* Expect more data. */
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# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
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/* File handle structure. */
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struct file_handle
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{
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unsigned int handle_bytes;
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int handle_type;
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/* File identifier. */
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unsigned char f_handle[0];
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};
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/* Maximum handle size (for now). */
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# define MAX_HANDLE_SZ 128
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#endif
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__BEGIN_DECLS
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@ -264,25 +277,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
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__THROW;
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/* Selective file content synch'ing. */
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/* Selective file content synch'ing.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
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unsigned int __flags);
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/* Splice address range into a pipe. */
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/* Splice address range into a pipe.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
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size_t __count, unsigned int __flags);
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/* Splice two files together. */
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/* Splice two files together.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
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__off64_t *__offout, size_t __len,
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unsigned int __flags);
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/* In-kernel implementation of tee for pipe buffers. */
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/* In-kernel implementation of tee for pipe buffers.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern ssize_t tee (int __fdin, int __fdout, size_t __len,
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unsigned int __flags);
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/* Reserve storage for the data of the file associated with FD. */
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/* Reserve storage for the data of the file associated with FD.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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# ifndef __USE_FILE_OFFSET64
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extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
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# else
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@ -299,6 +327,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
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__off64_t __len);
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# endif
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/* Map file name to file handle. */
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extern int name_to_handle_at (int __dfd, const char *__name,
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struct file_handle *__handle, int *__mnt_id,
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int __flags) __THROW;
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/* Open file using the file handle.
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern int open_by_handle (int __mountdirfd, struct file_handle *__handle,
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int __flags);
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#endif
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__END_DECLS
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@ -1,5 +1,5 @@
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009, 2010
|
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/* O_*, F_*, FD_* bit values for Linux/SH.
|
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Copyright (C) 1995-1998, 2000, 2004, 2006, 2007, 2009, 2010, 2011
|
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Free Software Foundation, Inc.
|
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This file is part of the GNU C Library.
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@ -233,6 +233,19 @@ struct f_owner_ex
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we splice from/to). */
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# define SPLICE_F_MORE 4 /* Expect more data. */
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# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
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/* File handle structure. */
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struct file_handle
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{
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unsigned int handle_bytes;
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int handle_type;
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/* File identifier. */
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unsigned char f_handle[0];
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};
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/* Maximum handle size (for now). */
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# define MAX_HANDLE_SZ 128
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#endif
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__BEGIN_DECLS
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@ -244,25 +257,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
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__THROW;
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|
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/* Selective file content synch'ing. */
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/* Selective file content synch'ing.
|
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|
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
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unsigned int __flags);
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|
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|
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/* Splice address range into a pipe. */
|
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/* Splice address range into a pipe.
|
||||
|
||||
This function is a possible cancellation point and therefore not
|
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marked with __THROW. */
|
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extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
|
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size_t __count, unsigned int __flags);
|
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|
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/* Splice two files together. */
|
||||
/* Splice two files together.
|
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|
||||
This function is a possible cancellation point and therefore not
|
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marked with __THROW. */
|
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extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
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__off64_t *__offout, size_t __len,
|
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unsigned int __flags);
|
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|
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/* 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,
|
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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
|
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extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
|
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# else
|
||||
@ -279,6 +307,19 @@ extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
|
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__off64_t __len);
|
||||
# endif
|
||||
|
||||
|
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/* 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,
|
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int __flags);
|
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|
||||
#endif
|
||||
|
||||
__END_DECLS
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* 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.
|
||||
|
||||
@ -243,6 +243,19 @@ 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
|
||||
@ -254,7 +267,10 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
|
||||
__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);
|
||||
|
||||
@ -263,16 +279,25 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
|
||||
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
|
||||
@ -289,6 +314,19 @@ 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
|
||||
|
||||
@ -104,3 +104,6 @@ timerfd_settime EXTRA timerfd_settime i:iipp timerfd_settime
|
||||
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
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* 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.
|
||||
|
||||
@ -247,6 +247,19 @@ 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
|
||||
@ -258,25 +271,40 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
|
||||
__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
|
||||
@ -292,6 +320,20 @@ extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
|
||||
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
|
||||
|
||||
Loading…
Reference in New Issue
Block a user