* io/Makefile (routines): Add fstatat, fstatat64, fxstatat, fxstatat64,

	fchownat, and unlinkat.
	(static-only-routines): Add fstatat and fstatat64.
	(tests): Add tst-unlinkat, tst-fstatat, tst-futimesat, tst-renameat,
	and tst-fchownat.
	* io/Versions [GLIBC_2.4]: Add fchownat, __fxstatat, __fxstatat64,
	and unlinkat.
	* io/fcntl.h: Define AT_FDCWD, AT_SYMLINK_NOFOLLOW, and AT_REMOVEDIR.
	* io/fstatat.c: New file.
	* io/fstatat64.c: New file.
	* io/sys/stat.h: Declare fstatat, fstatat64, __fxstatat, __fxstatat64
	and define fstatat and fstatat64 inline functions.
	* libio/stdio.h: Declare renameat.
	* misc/Makefile (routines): Add futimesat.
	* misc/Versions [GLIBC_2.4]: Add futimesat.
	* posix/unistd.h: Declare fchownat and unlinkat.
	* stdio-common/Makefile (routines): Add renameat.
	* stdio-common/Versions [GLIBC_2.4]: Add renameat.
	* sysdeps/generic/fchownat.c: New file.
	* sysdeps/generic/futimesat.c: New file.
	* sysdeps/generic/fxstatat.c: New file.
	* sysdeps/generic/fxstatat64.c: New file.
	* sysdeps/generic/renameat.c: New file.
	* sysdeps/generic/unlinkat.c: New file.
	* sysdeps/unix/sysv/linux/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/futimesat.c: New file.
	* sysdeps/unix/sysv/linux/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/fxstatat64.c: New file.
	* sysdeps/unix/sysv/linux/renameat.c: New file.
	* sysdeps/unix/sysv/linux/unlinkat.c: New file.
	* sysdeps/unix/sysv/linux/alpha/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/i386/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/i386/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/m68k/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/m68k/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/sh/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/sh/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: New file.
	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c: New file.
	* time/sys/time.h: Declare futimesat.
	* include/fcntl.h: Declare __atfct_seterrno.
	* sysdeps/unix/sysv/linux/openat.c (__atfct_seterrno): New function.
	Split out from openat code and called.
	(do_test): Allow openat to fail with ENOSYS.  Handle AT_FDCWD.
	* sysdeps/generic/openat.c: Handle AT_FDCWD.
	* sysdeps/generic/openat64.c: Likewise.
	* io/tst-unlinkat.c: New file.
	* io/tst-fstatat.c: New file.
	* io/tst-futimesat.c: New file.
	* io/tst-renameat.c: New file.
	* io/tst-fchownat.c: New file.
	* io/tst-openat.c: Don't fail if openat is not implemented.

	* sysdeps/unix/sysv/linux/powerpc/chown.c: Don't provide backward
	compatibility code if new kernel is guaranteed.

	* time/sys/time.h: Add a few nonnull attributes.

54 files changed, 3070 insertions, 124 deletions

diff --git a/ChangeLog b/ChangeLog
index 8707a1b262..a4a15505ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,70 @@
+2005-11-11  Ulrich Drepper  <drepper@redhat.com>
+
+	* io/Makefile (routines): Add fstatat, fstatat64, fxstatat, fxstatat64,
+	fchownat, and unlinkat.
+	(static-only-routines): Add fstatat and fstatat64.
+	(tests): Add tst-unlinkat, tst-fstatat, tst-futimesat, tst-renameat,
+	and tst-fchownat.
+	* io/Versions [GLIBC_2.4]: Add fchownat, __fxstatat, __fxstatat64,
+	and unlinkat.
+	* io/fcntl.h: Define AT_FDCWD, AT_SYMLINK_NOFOLLOW, and AT_REMOVEDIR.
+	* io/fstatat.c: New file.
+	* io/fstatat64.c: New file.
+	* io/sys/stat.h: Declare fstatat, fstatat64, __fxstatat, __fxstatat64
+	and define fstatat and fstatat64 inline functions.
+	* libio/stdio.h: Declare renameat.
+	* misc/Makefile (routines): Add futimesat.
+	* misc/Versions [GLIBC_2.4]: Add futimesat.
+	* posix/unistd.h: Declare fchownat and unlinkat.
+	* stdio-common/Makefile (routines): Add renameat.
+	* stdio-common/Versions [GLIBC_2.4]: Add renameat.
+	* sysdeps/generic/fchownat.c: New file.
+	* sysdeps/generic/futimesat.c: New file.
+	* sysdeps/generic/fxstatat.c: New file.
+	* sysdeps/generic/fxstatat64.c: New file.
+	* sysdeps/generic/renameat.c: New file.
+	* sysdeps/generic/unlinkat.c: New file.
+	* sysdeps/unix/sysv/linux/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/futimesat.c: New file.
+	* sysdeps/unix/sysv/linux/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/fxstatat64.c: New file.
+	* sysdeps/unix/sysv/linux/renameat.c: New file.
+	* sysdeps/unix/sysv/linux/unlinkat.c: New file.
+	* sysdeps/unix/sysv/linux/alpha/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/i386/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/i386/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/powerpc/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/sh/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/sh/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: New file.
+	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c: New file.
+	* time/sys/time.h: Declare futimesat.
+	* include/fcntl.h: Declare __atfct_seterrno.
+	* sysdeps/unix/sysv/linux/openat.c (__atfct_seterrno): New function.
+	Split out from openat code and called.
+	(do_test): Allow openat to fail with ENOSYS.  Handle AT_FDCWD.
+	* sysdeps/generic/openat.c: Handle AT_FDCWD.
+	* sysdeps/generic/openat64.c: Likewise.
+	* io/tst-unlinkat.c: New file.
+	* io/tst-fstatat.c: New file.
+	* io/tst-futimesat.c: New file.
+	* io/tst-renameat.c: New file.
+	* io/tst-fchownat.c: New file.
+	* io/tst-openat.c: Don't fail if openat is not implemented.
+
+	* sysdeps/unix/sysv/linux/powerpc/chown.c: Don't provide backward
+	compatibility code if new kernel is guaranteed.
+
+	* time/sys/time.h: Add a few nonnull attributes.
+
 2005-11-09  Ulrich Drepper  <drepper@redhat.com>
 
 	* io/fcntl.h: Declare openat and openat64.
diff --git a/NEWS b/NEWS
index e5beafd072..86c7b5e833 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes.  2005-11-09
+GNU C Library NEWS -- history of user-visible changes.  2005-11-11
 Copyright (C) 1992-2002,2003,2004,2005 Free Software Foundation, Inc.
 See the end for copying conditions.
 
@@ -27,7 +27,8 @@ Version 2.4
   For a libc and libpthread that works well on Linux 2.4 kernels, we
   recommend using the stable 2.3 branch.
 
-* New interfaces: fdopendir, openat.
+* New interfaces: fdopendir, openat, fstatat, fchownat, futimesat, renameat,
+  unlinkat.
 
 Version 2.3.6
 
diff --git a/include/fcntl.h b/include/fcntl.h
index 7764f1cd62..6080faba3e 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -18,4 +18,8 @@ libc_hidden_proto (__open)
 extern int __fcntl (int __fd, int __cmd, ...);
 libc_hidden_proto (__fcntl)
 
+/* Helper functions for the various *at functions.  For Linux.  */
+extern void __atfct_seterrno (int errval, int fd, const char *buf)
+  attribute_hidden;
+
 #endif
diff --git a/io/Makefile b/io/Makefile
index b1ca46814b..9339ffe699 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -26,40 +26,43 @@ headers := sys/stat.h bits/stat.h sys/statfs.h bits/statfs.h sys/vfs.h \
 	   poll.h sys/poll.h bits/poll.h \
 	   utime.h ftw.h fts.h sys/sendfile.h
 
-routines :=							      \
-	utime							      \
-	mkfifo							      \
-	stat fstat lstat mknod stat64 fstat64 lstat64		      \
-	xstat fxstat lxstat xmknod xstat64 fxstat64 lxstat64	      \
-	statfs fstatfs statfs64 fstatfs64			      \
-	statvfs fstatvfs statvfs64 fstatvfs64			      \
-	umask chmod fchmod lchmod mkdir				      \
-	open open64 openat openat64 close			      \
-	read write lseek lseek64 access euidaccess		      \
-	fcntl flock lockf lockf64				      \
-	dup dup2 pipe						      \
-	creat creat64						      \
-	chdir fchdir						      \
-	getcwd getwd getdirname					      \
-	chown fchown lchown					      \
-	ttyname ttyname_r isatty				      \
-	link symlink readlink					      \
-	unlink rmdir						      \
-	ftw ftw64 fts poll					      \
-	posix_fadvise posix_fadvise64				      \
-	posix_fallocate posix_fallocate64			      \
+routines :=								\
+	utime								\
+	mkfifo								\
+	stat fstat lstat mknod stat64 fstat64 lstat64 fstatat fstatat64	\
+	xstat fxstat lxstat xmknod xstat64 fxstat64 lxstat64		\
+	fxstatat fxstatat64						\
+	statfs fstatfs statfs64 fstatfs64				\
+	statvfs fstatvfs statvfs64 fstatvfs64				\
+	umask chmod fchmod lchmod mkdir					\
+	open open64 openat openat64 close				\
+	read write lseek lseek64 access euidaccess			\
+	fcntl flock lockf lockf64					\
+	dup dup2 pipe							\
+	creat creat64							\
+	chdir fchdir							\
+	getcwd getwd getdirname						\
+	chown fchown lchown fchownat					\
+	ttyname ttyname_r isatty					\
+	link symlink readlink						\
+	unlink unlinkat rmdir						\
+	ftw ftw64 fts poll						\
+	posix_fadvise posix_fadvise64					\
+	posix_fallocate posix_fallocate64				\
 	sendfile sendfile64
 
 # These routines will be omitted from the libc shared object.
 # Instead the static object files will be included in a special archive
 # linked against when the shared library will be used.
-static-only-routines = stat fstat lstat mknod stat64 fstat64 lstat64
+static-only-routines = stat fstat lstat mknod stat64 fstat64 lstat64	\
+		       fstatat fstatat64
 
 others		:= pwd
 test-srcs	:= ftwtest
 tests		:= test-utime test-stat test-stat2 test-lfs tst-getcwd \
 		   tst-fcntl bug-ftw1 bug-ftw2 bug-ftw3 bug-ftw4 tst-statvfs \
-		   tst-openat
+		   tst-openat tst-unlinkat tst-fstatat tst-futimesat \
+		   tst-renameat tst-fchownat
 
 distribute	:= ftwtest-sh
 
diff --git a/io/Versions b/io/Versions
index f5cd8d5148..65ee77182e 100644
--- a/io/Versions
+++ b/io/Versions
@@ -98,6 +98,9 @@ libc {
     nftw; nftw64;
   }
   GLIBC_2.4 {
+    fchownat;
+    __fxstatat; __fxstatat64;
     openat; openat64;
+    unlinkat;
   }
 }
diff --git a/io/fcntl.h b/io/fcntl.h
index 044a988872..8e13d33dcc 100644
--- a/io/fcntl.h
+++ b/io/fcntl.h
@@ -56,6 +56,15 @@ __BEGIN_DECLS
 # define SEEK_END	2	/* Seek from end of file.  */
 #endif	/* XPG */
 
+#ifdef __USE_GNU
+# define AT_FDCWD		-100	/* Special value used to indicate
+					   openat should use the current
+					   working directory. */
+# define AT_SYMLINK_NOFOLLOW	0x100	/* Do not follow symbolic links.  */
+# define AT_REMOVEDIR		0x200	/* Remove directory instead of
+					   unlinking file.  */
+#endif
+
 /* Do the file control operation described by CMD on FD.
    The remaining arguments are interpreted depending on CMD.
 
diff --git a/io/fstatat.c b/io/fstatat.c
new file mode 100644
index 0000000000..1ac80597a0
--- /dev/null
+++ b/io/fstatat.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/stat.h>
+
+/* This definition is only used if inlining fails for this function; see
+   the last page of <sys/stat.h>.  The real work is done by the `x'
+   function which is passed a version number argument.  We arrange in the
+   makefile that when not inlined this function is always statically
+   linked; that way a dynamically-linked executable always encodes the
+   version number corresponding to the data structures it uses, so the `x'
+   functions in the shared library can adapt without needing to recompile
+   all callers.  */
+
+#undef fstatat
+int
+fstatat (int fd, const char *file, struct stat *buf, int flag)
+{
+  return __fxstatat (_STAT_VER, fd, file, buf, flag);
+}
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden\tfstatat");
+#endif
diff --git a/io/fstatat64.c b/io/fstatat64.c
new file mode 100644
index 0000000000..a14b42d42e
--- /dev/null
+++ b/io/fstatat64.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/stat.h>
+
+/* This definition is only used if inlining fails for this function; see
+   the last page of <sys/stat.h>.  The real work is done by the `x'
+   function which is passed a version number argument.  We arrange in the
+   makefile that when not inlined this function is always statically
+   linked; that way a dynamically-linked executable always encodes the
+   version number corresponding to the data structures it uses, so the `x'
+   functions in the shared library can adapt without needing to recompile
+   all callers.  */
+
+#undef fstatat64
+int
+fstatat64 (int fd, const char *file, struct stat64 *buf, int flag)
+{
+  return __fxstatat64 (_STAT_VER, fd, file, buf, flag);
+}
+
+/* Hide the symbol so that no definition but the one locally in the
+   executable or DSO is used.  */
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden\tfstatat64");
+#endif
diff --git a/io/sys/stat.h b/io/sys/stat.h
index 7075003922..0a82ef39e8 100644
--- a/io/sys/stat.h
+++ b/io/sys/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,1992,1995-2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1992,1995-2004,2005 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
@@ -228,6 +228,23 @@ extern int stat64 (__const char *__restrict __file,
 extern int fstat64 (int __fd, struct stat64 *__buf) __THROW __nonnull ((2));
 #endif
 
+#ifdef __USE_GNU
+/* Similar to stat, get the attributes for FILE and put them in BUF.
+   Relative path names are interpreted relative to FD unless FD is
+   AT_FDCWD.  */
+# ifndef __USE_FILE_OFFSET64
+extern int fstatat (int __fd, const char *__file, struct stat *__buf,
+		    int __flag) __THROW __nonnull ((2, 3));
+# else
+extern int __REDIRECT_NTH (fstatat, (int __fd, const char *__file,
+				     struct stat *__buf, int __flag),
+			   fstatat64) __THROW __nonnull ((2, 3));
+# endif
+
+extern int fstatat64 (int __fd, const char *__file, struct stat64 *__buf,
+		      int __flag) __THROW __nonnull ((2, 3));
+#endif
+
 #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
 # ifndef __USE_FILE_OFFSET64
 /* Get file attributes about FILE and put them in BUF.
@@ -327,6 +344,9 @@ extern int __xstat (int __ver, __const char *__filename,
 		    struct stat *__stat_buf) __THROW __nonnull ((2, 3));
 extern int __lxstat (int __ver, __const char *__filename,
 		     struct stat *__stat_buf) __THROW __nonnull ((2, 3));
+extern int __fxstatat (int __ver, int __fildes, __const char *__filename,
+		       struct stat *__stat_buf, int __flag)
+     __THROW __nonnull ((3, 4));
 #else
 # ifdef __REDIRECT_NTH
 extern int __REDIRECT_NTH (__fxstat, (int __ver, int __fildes,
@@ -338,6 +358,10 @@ extern int __REDIRECT_NTH (__xstat, (int __ver, __const char *__filename,
 extern int __REDIRECT_NTH (__lxstat, (int __ver, __const char *__filename,
 				      struct stat *__stat_buf), __lxstat64)
      __nonnull ((2, 3));
+extern int __REDIRECT_NTH (__fxstatat, (int __ver, int __fildes,
+					__const char *__filename,
+					struct stat *__stat_buf, int __flag),
+			   __fxstatat64) __nonnull ((3, 4));
 
 # else
 #  define __fxstat __fxstat64
@@ -353,6 +377,9 @@ extern int __xstat64 (int __ver, __const char *__filename,
 		      struct stat64 *__stat_buf) __THROW __nonnull ((2, 3));
 extern int __lxstat64 (int __ver, __const char *__filename,
 		       struct stat64 *__stat_buf) __THROW __nonnull ((2, 3));
+extern int __fxstatat64 (int __ver, int __fildes, __const char *__filename,
+			 struct stat64 *__stat_buf, int __flag)
+     __THROW __nonnull ((3, 4));
 #endif
 extern int __xmknod (int __ver, __const char *__path, __mode_t __mode,
 		     __dev_t *__dev) __THROW __nonnull ((2, 4));
@@ -380,6 +407,15 @@ __NTH (fstat (int __fd, struct stat *__statbuf))
   return __fxstat (_STAT_VER, __fd, __statbuf);
 }
 
+# ifdef __USE_GNU
+extern __inline__ int
+__NTH (fstatat (int __fd, __const char *__filename, struct stat *__statbuf,
+		int __flag))
+{
+  return __fxstatat (_STAT_VER, __fd, __filename, __statbuf, __flag);
+}
+# endif
+
 # if defined __USE_MISC || defined __USE_BSD
 extern __inline__ int
 __NTH (mknod (__const char *__path, __mode_t __mode, __dev_t __dev))
@@ -412,6 +448,15 @@ __NTH (fstat64 (int __fd, struct stat64 *__statbuf))
 }
 # endif
 
+# ifdef __USE_GNU
+extern __inline__ int
+__NTH (fstatat64 (int __fd, __const char *__filename, struct stat64 *__statbuf,
+		  int __flag))
+{
+  return __fxstatat64 (_STAT_VER, __fd, __filename, __statbuf, __flag);
+}
+# endif
+
 #endif
 
 __END_DECLS
diff --git a/io/tst-fchownat.c b/io/tst-fchownat.c
new file mode 100644
index 0000000000..0cbf78b2b0
--- /dev/null
+++ b/io/tst-fchownat.c
@@ -0,0 +1,145 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ()
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+static int dir_fd;
+
+static void
+prepare (void)
+{
+#if _POSIX_CHOWN_RESTRICTED > 0
+  uid_t uid = getuid ();
+  if (uid != 0)
+    {
+      puts ("need root privileges");
+      exit (0);
+    }
+#endif
+
+  size_t test_dir_len = strlen (test_dir);
+  static const char dir_name[] = "/tst-fchownat.XXXXXX";
+
+  size_t dirbuflen = test_dir_len + sizeof (dir_name);
+  char *dirbuf = malloc (dirbuflen);
+  if (dirbuf == NULL)
+    {
+      puts ("out of memory");
+      exit (1);
+    }
+
+  snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
+  if (mkdtemp (dirbuf) == NULL)
+    {
+      puts ("cannot create temporary directory");
+      exit (1);
+    }
+
+  add_temp_file (dirbuf);
+
+  dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
+  if (dir_fd == -1)
+    {
+      puts ("cannot open directory");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  /* fdopendir takes over the descriptor, make a copy.  */
+  int dupfd = dup (dir_fd);
+  if (dupfd == -1)
+    {
+      puts ("dup failed");
+      return 1;
+    }
+  if (lseek (dupfd, 0, SEEK_SET) != 0)
+    {
+      puts ("1st lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  DIR *dir = fdopendir (dupfd);
+  if (dir == NULL)
+    {
+      puts ("fdopendir failed");
+      return 1;
+    }
+  struct dirent64 *d;
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	printf ("temp directory contains file \"%s\"\n", d->d_name);
+	return 1;
+      }
+  closedir (dir);
+
+  /* Try to create a file.  */
+  int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
+  if (fd == -1)
+    {
+      if (errno == ENOSYS)
+	{
+	  puts ("*at functions not supported");
+	  return 0;
+	}
+
+      puts ("file creation failed");
+      return 1;
+    }
+  write (fd, "hello", 5);
+  puts ("file created");
+
+  struct stat64 st1;
+  if (fstat64 (fd, &st1) != 0)
+    {
+      puts ("fstat64 failed");
+      return 1;
+    }
+
+  close (fd);
+
+  if (fchownat (dir_fd, "some-file", st1.st_uid + 1, st1.st_gid + 1, 0) != 0)
+    {
+      puts ("fchownat failed");
+      return 1;
+    }
+
+  struct stat64 st2;
+  if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0)
+    {
+      puts ("fstatat64 failed");
+      return 1;
+    }
+
+  if (st1.st_uid + 1 != st2.st_uid || st1.st_gid + 1 != st2.st_gid)
+    {
+      puts ("owner change failed");
+      return 1;
+    }
+
+  if (unlinkat (dir_fd, "some-file", 0) != 0)
+    {
+      puts ("unlinkat failed");
+      return 1;
+    }
+
+  close (dir_fd);
+
+  return 0;
+}
diff --git a/io/tst-fstatat.c b/io/tst-fstatat.c
new file mode 100644
index 0000000000..6ddf30d87b
--- /dev/null
+++ b/io/tst-fstatat.c
@@ -0,0 +1,143 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ()
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+static int dir_fd;
+
+static void
+prepare (void)
+{
+  size_t test_dir_len = strlen (test_dir);
+  static const char dir_name[] = "/tst-fstatat.XXXXXX";
+
+  size_t dirbuflen = test_dir_len + sizeof (dir_name);
+  char *dirbuf = malloc (dirbuflen);
+  if (dirbuf == NULL)
+    {
+      puts ("out of memory");
+      exit (1);
+    }
+
+  snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
+  if (mkdtemp (dirbuf) == NULL)
+    {
+      puts ("cannot create temporary directory");
+      exit (1);
+    }
+
+  add_temp_file (dirbuf);
+
+  dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
+  if (dir_fd == -1)
+    {
+      puts ("cannot open directory");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  /* fdopendir takes over the descriptor, make a copy.  */
+  int dupfd = dup (dir_fd);
+  if (dupfd == -1)
+    {
+      puts ("dup failed");
+      return 1;
+    }
+  if (lseek (dupfd, 0, SEEK_SET) != 0)
+    {
+      puts ("1st lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  DIR *dir = fdopendir (dupfd);
+  if (dir == NULL)
+    {
+      puts ("fdopendir failed");
+      return 1;
+    }
+  struct dirent64 *d;
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	printf ("temp directory contains file \"%s\"\n", d->d_name);
+	return 1;
+      }
+  closedir (dir);
+
+  /* Try to create a file.  */
+  int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
+  if (fd == -1)
+    {
+      if (errno == ENOSYS)
+	{
+	  puts ("*at functions not supported");
+	  return 0;
+	}
+
+      puts ("file creation failed");
+      return 1;
+    }
+  write (fd, "hello", 5);
+  puts ("file created");
+
+  struct stat64 st1;
+  if (fstat64 (fd, &st1) != 0)
+    {
+      puts ("fstat64 failed");
+      return 1;
+    }
+
+  close (fd);
+
+  struct stat64 st2;
+  if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0)
+    {
+      puts ("fstatat64 failed");
+      return 1;
+    }
+
+  if (st1.st_dev != st2.st_dev
+      || st1.st_ino != st2.st_ino
+      || st1.st_size != st2.st_size)
+    {
+      puts ("stat results do not match");
+      return 1;
+    }
+
+  if (unlinkat (dir_fd, "some-file", 0) != 0)
+    {
+      puts ("unlinkat failed");
+      return 1;
+    }
+
+  if (fstatat64 (dir_fd, "some-file", &st2, 0) == 0)
+    {
+      puts ("second fstatat64 succeeded");
+      return 1;
+    }
+  if (errno != ENOENT)
+    {
+      puts ("second fstatat64 did not fail with ENOENT");
+      return 1;
+    }
+
+  close (dir_fd);
+
+  return 0;
+}
diff --git a/io/tst-futimesat.c b/io/tst-futimesat.c
new file mode 100644
index 0000000000..c1e8d93f41
--- /dev/null
+++ b/io/tst-futimesat.c
@@ -0,0 +1,147 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ()
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+static int dir_fd;
+
+static void
+prepare (void)
+{
+  size_t test_dir_len = strlen (test_dir);
+  static const char dir_name[] = "/tst-futimesat.XXXXXX";
+
+  size_t dirbuflen = test_dir_len + sizeof (dir_name);
+  char *dirbuf = malloc (dirbuflen);
+  if (dirbuf == NULL)
+    {
+      puts ("out of memory");
+      exit (1);
+    }
+
+  snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
+  if (mkdtemp (dirbuf) == NULL)
+    {
+      puts ("cannot create temporary directory");
+      exit (1);
+    }
+
+  add_temp_file (dirbuf);
+
+  dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
+  if (dir_fd == -1)
+    {
+      puts ("cannot open directory");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  /* fdopendir takes over the descriptor, make a copy.  */
+  int dupfd = dup (dir_fd);
+  if (dupfd == -1)
+    {
+      puts ("dup failed");
+      return 1;
+    }
+  if (lseek (dupfd, 0, SEEK_SET) != 0)
+    {
+      puts ("1st lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  DIR *dir = fdopendir (dupfd);
+  if (dir == NULL)
+    {
+      puts ("fdopendir failed");
+      return 1;
+    }
+  struct dirent64 *d;
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	printf ("temp directory contains file \"%s\"\n", d->d_name);
+	return 1;
+      }
+  closedir (dir);
+
+  /* Try to create a file.  */
+  int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
+  if (fd == -1)
+    {
+      if (errno == ENOSYS)
+	{
+	  puts ("*at functions not supported");
+	  return 0;
+	}
+
+      puts ("file creation failed");
+      return 1;
+    }
+  write (fd, "hello", 5);
+  puts ("file created");
+
+  struct stat64 st1;
+  if (fstat64 (fd, &st1) != 0)
+    {
+      puts ("fstat64 failed");
+      return 1;
+    }
+
+  close (fd);
+
+  struct timeval tv[2];
+  tv[0].tv_sec = st1.st_atime + 1;
+  tv[0].tv_usec = 0;
+  tv[1].tv_sec = st1.st_mtime + 1;
+  tv[1].tv_usec = 0;
+  if (futimesat (dir_fd, "some-file", tv) != 0)
+    {
+      puts ("futimesat failed");
+      return 1;
+    }
+
+  struct stat64 st2;
+  if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0)
+    {
+      puts ("fstatat64 failed");
+      return 1;
+    }
+
+  if (st2.st_mtime != tv[1].tv_sec
+#ifdef _STATBUF_ST_NSEC
+      || st2.st_mtim.tv_nsec != 0
+#endif
+      )
+    {
+      puts ("stat shows different mtime");
+      return 1;
+    }
+
+
+  if (unlinkat (dir_fd, "some-file", 0) != 0)
+    {
+      puts ("unlinkat failed");
+      return 1;
+    }
+
+  close (dir_fd);
+
+  return 0;
+}
diff --git a/io/tst-openat.c b/io/tst-openat.c
index c20c95a10d..d10b654fa9 100644
--- a/io/tst-openat.c
+++ b/io/tst-openat.c
@@ -84,6 +84,12 @@ do_test (void)
   int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
   if (fd == -1)
     {
+      if (errno == ENOSYS)
+	{
+	  puts ("*at functions not supported");
+	  return 0;
+	}
+
       puts ("file creation failed");
       return 1;
     }
diff --git a/io/tst-renameat.c b/io/tst-renameat.c
new file mode 100644
index 0000000000..fb494594f5
--- /dev/null
+++ b/io/tst-renameat.c
@@ -0,0 +1,149 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ()
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+static int dir_fd;
+
+static void
+prepare (void)
+{
+  size_t test_dir_len = strlen (test_dir);
+  static const char dir_name[] = "/tst-renameat.XXXXXX";
+
+  size_t dirbuflen = test_dir_len + sizeof (dir_name);
+  char *dirbuf = malloc (dirbuflen);
+  if (dirbuf == NULL)
+    {
+      puts ("out of memory");
+      exit (1);
+    }
+
+  snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
+  if (mkdtemp (dirbuf) == NULL)
+    {
+      puts ("cannot create temporary directory");
+      exit (1);
+    }
+
+  add_temp_file (dirbuf);
+
+  dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
+  if (dir_fd == -1)
+    {
+      puts ("cannot open directory");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  /* fdopendir takes over the descriptor, make a copy.  */
+  int dupfd = dup (dir_fd);
+  if (dupfd == -1)
+    {
+      puts ("dup failed");
+      return 1;
+    }
+  if (lseek (dupfd, 0, SEEK_SET) != 0)
+    {
+      puts ("1st lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  DIR *dir = fdopendir (dupfd);
+  if (dir == NULL)
+    {
+      puts ("fdopendir failed");
+      return 1;
+    }
+  struct dirent64 *d;
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	printf ("temp directory contains file \"%s\"\n", d->d_name);
+	return 1;
+      }
+  closedir (dir);
+
+  /* Try to create a file.  */
+  int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
+  if (fd == -1)
+    {
+      if (errno == ENOSYS)
+	{
+	  puts ("*at functions not supported");
+	  return 0;
+	}
+
+      puts ("file creation failed");
+      return 1;
+    }
+  write (fd, "hello", 5);
+  puts ("file created");
+
+  struct stat64 st1;
+  if (fstat64 (fd, &st1) != 0)
+    {
+      puts ("fstat64 failed");
+      return 1;
+    }
+
+  close (fd);
+
+  if (renameat (dir_fd, "some-file", dir_fd, "another-file") != 0)
+    {
+      puts ("renameat failed");
+      return 1;
+    }
+
+  struct stat64 st2;
+  if (fstatat64 (dir_fd, "some-file", &st2, 0) == 0)
+    {
+      puts ("fstatat64 succeeded");
+      return 1;
+    }
+  if (errno != ENOENT)
+    {
+      puts ("fstatat64 did not fail with ENOENT");
+      return 1;
+    }
+
+  if (fstatat64 (dir_fd, "another-file", &st2, 0) != 0)
+    {
+      puts ("2nd fstatat64 failed");
+      return 1;
+    }
+
+  if (st1.st_dev != st2.st_dev
+      || st1.st_ino != st2.st_ino
+      || st1.st_size != st2.st_size)
+    {
+      puts ("stat results do not match");
+      return 1;
+    }
+
+  if (unlinkat (dir_fd, "another-file", 0) != 0)
+    {
+      puts ("unlinkat failed");
+      return 1;
+    }
+
+  close (dir_fd);
+
+  return 0;
+}
diff --git a/io/tst-unlinkat.c b/io/tst-unlinkat.c
new file mode 100644
index 0000000000..c25443c27f
--- /dev/null
+++ b/io/tst-unlinkat.c
@@ -0,0 +1,178 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ()
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+#include "../test-skeleton.c"
+
+static int dir_fd;
+
+static void
+prepare (void)
+{
+  size_t test_dir_len = strlen (test_dir);
+  static const char dir_name[] = "/tst-unlinkat.XXXXXX";
+
+  size_t dirbuflen = test_dir_len + sizeof (dir_name);
+  char *dirbuf = malloc (dirbuflen);
+  if (dirbuf == NULL)
+    {
+      puts ("out of memory");
+      exit (1);
+    }
+
+  snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
+  if (mkdtemp (dirbuf) == NULL)
+    {
+      puts ("cannot create temporary directory");
+      exit (1);
+    }
+
+  add_temp_file (dirbuf);
+
+  dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
+  if (dir_fd == -1)
+    {
+      puts ("cannot open directory");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  /* fdopendir takes over the descriptor, make a copy.  */
+  int dupfd = dup (dir_fd);
+  if (dupfd == -1)
+    {
+      puts ("dup failed");
+      return 1;
+    }
+  if (lseek (dupfd, 0, SEEK_SET) != 0)
+    {
+      puts ("1st lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  DIR *dir = fdopendir (dupfd);
+  if (dir == NULL)
+    {
+      puts ("fdopendir failed");
+      return 1;
+    }
+  struct dirent64 *d;
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	printf ("temp directory contains file \"%s\"\n", d->d_name);
+	return 1;
+      }
+  closedir (dir);
+
+  /* Try to create a file.  */
+  int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
+  if (fd == -1)
+    {
+      if (errno == ENOSYS)
+	{
+	  puts ("*at functions not supported");
+	  return 0;
+	}
+
+      puts ("file creation failed");
+      return 1;
+    }
+  write (fd, "hello", 5);
+  close (fd);
+  puts ("file created");
+
+  /* fdopendir takes over the descriptor, make a copy.  */
+  dupfd = dup (dir_fd);
+  if (dupfd == -1)
+    {
+      puts ("2nd dup failed");
+      return 1;
+    }
+  if (lseek (dupfd, 0, SEEK_SET) != 0)
+    {
+      puts ("2nd lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  dir = fdopendir (dupfd);
+  if (dir == NULL)
+    {
+      puts ("2nd fdopendir failed");
+      return 1;
+    }
+  bool seen_file = false;
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	if (strcmp (d->d_name, "some-file") != 0)
+	  {
+	    printf ("temp directory contains file \"%s\"\n", d->d_name);
+	    return 1;
+	  }
+
+	seen_file = true;
+      }
+  closedir (dir);
+
+  if (!seen_file)
+    {
+      puts ("file not created in correct directory");
+      return 1;
+    }
+
+  /* Remove the file now.  */
+  if (unlinkat (dir_fd, "some-file", 0) != 0)
+    {
+      puts ("unlinkat failed");
+      return 1;
+    }
+
+  /* We won't need dir_fd anymore after this, so use it.  */
+  if (lseek (dir_fd, 0, SEEK_SET) != 0)
+    {
+      puts ("3rd lseek failed");
+      return 1;
+    }
+
+  /* The directory should be empty safe the . and .. files.  */
+  dir = fdopendir (dir_fd);
+  if (dir == NULL)
+    {
+      puts ("3rd fdopendir failed");
+      return 1;
+    }
+  while ((d = readdir64 (dir)) != NULL)
+    if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
+      {
+	if (strcmp (d->d_name, "some-file") == 0)
+	  {
+	    puts ("some-file not removed");
+	    return 1;
+	  }
+	else
+	  {
+	    printf ("temp directory contains file \"%s\"\n", d->d_name);
+	    return 1;
+	  }
+      }
+  closedir (dir);
+
+  return 0;
+}
diff --git a/libio/stdio.h b/libio/stdio.h
index f24a6ddd9c..0ea052b175 100644
--- a/libio/stdio.h
+++ b/libio/stdio.h
@@ -154,6 +154,11 @@ extern int remove (__const char *__filename) __THROW;
 extern int rename (__const char *__old, __const char *__new) __THROW;
 __END_NAMESPACE_STD
 
+#ifdef __USE_GNU
+/* Rename file OLD relative to OLDFD to NEW relative to NEWFD.  */
+extern int renameat (int __oldfd, __const char *__old, int __newfd,
+		     __const char *__new) __THROW;
+#endif
 
 __BEGIN_NAMESPACE_STD
 /* Create a temporary file and open it read/write.
diff --git a/misc/Makefile b/misc/Makefile
index 7c0b64818d..5199b6b653 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -47,7 +47,7 @@ routines := brk sbrk sstk ioctl \
 	    gtty stty \
 	    ptrace \
 	    fstab mntent mntent_r \
-	    utimes lutimes futimes \
+	    utimes lutimes futimes futimesat \
 	    truncate ftruncate truncate64 ftruncate64 \
 	    chflags fchflags \
 	    insremque getttyent getusershell getpass ttyslot \
diff --git a/misc/Versions b/misc/Versions
index 4c3aafad6e..fdf2d9d2af 100644
--- a/misc/Versions
+++ b/misc/Versions
@@ -131,6 +131,7 @@ libc {
     remap_file_pages;
   }
   GLIBC_2.4 {
+    futimesat;
     __syslog_chk; __vsyslog_chk;
   }
 }
diff --git a/posix/unistd.h b/posix/unistd.h
index b0fba33417..86e0e9e659 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -431,6 +431,14 @@ extern int lchown (__const char *__file, __uid_t __owner, __gid_t __group)
 
 #endif /* Use BSD || X/Open Unix.  */
 
+#ifdef __USE_GNU
+/* Change the owner and group of FILE relative to the directory FD is open
+   on.  */
+extern int fchownat (int __fd, __const char *__file, __uid_t __owner,
+		     __gid_t __group, int __flag)
+     __THROW __nonnull ((2)) __wur;
+#endif /* Use GNU.  */
+
 /* Change the process's working directory to PATH.  */
 extern int chdir (__const char *__path) __THROW __nonnull ((1)) __wur;
 
@@ -749,6 +757,12 @@ extern int readlink (__const char *__restrict __path, char *__restrict __buf,
 /* Remove the link NAME.  */
 extern int unlink (__const char *__name) __THROW __nonnull ((1));
 
+#ifdef __USE_GNU
+/* Remove the link NAME relative to FD.  */
+extern int unlinkat (int __fd, __const char *__name, int __flag)
+     __THROW __nonnull ((2));
+#endif
+
 /* Remove the directory PATH.  */
 extern int rmdir (__const char *__path) __THROW __nonnull ((1));
 
diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 119323617c..a2cfbe720c 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -33,7 +33,7 @@ routines	:=							      \
 	perror psignal							      \
 	tmpfile tmpfile64 tmpnam tmpnam_r tempnam tempname		      \
 	getline getw putw						      \
-	remove rename							      \
+	remove rename renameat						      \
 	flockfile ftrylockfile funlockfile
 
 install-others = $(inst_includedir)/bits/stdio_lim.h
diff --git a/stdio-common/Versions b/stdio-common/Versions
index 1dbce1a124..2f64429346 100644
--- a/stdio-common/Versions
+++ b/stdio-common/Versions
@@ -37,7 +37,7 @@ libc {
     tempnam; tmpfile; tmpnam; tmpnam_r;
 
     # v*
-    vfprintf; vfscanf; vprintf; 
+    vfprintf; vfscanf; vprintf;
   }
   GLIBC_2.1 {
     # p*
@@ -46,6 +46,9 @@ libc {
     # t*
     tmpfile; tmpfile64;
   }
+  GLIBC_2.4 {
+    renameat;
+  }
   GLIBC_PRIVATE {
     # global variables
     _itoa_lower_digits;
diff --git a/sysdeps/generic/fchownat.c b/sysdeps/generic/fchownat.c
new file mode 100644
index 0000000000..f6921c9012
--- /dev/null
+++ b/sysdeps/generic/fchownat.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Change the owner and group of FILE.  */
+int
+fchownat (fd, file, owner, group, flag)
+     int fd;
+     const char *file;
+     uid_t owner;
+     gid_t group;
+     int flag;
+{
+  if (file == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fchownat)
+
+#include <stub-tag.h>
diff --git a/sysdeps/generic/futimesat.c b/sysdeps/generic/futimesat.c
new file mode 100644
index 0000000000..33d170862a
--- /dev/null
+++ b/sysdeps/generic/futimesat.c
@@ -0,0 +1,52 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/time.h>
+
+
+/* Change the access time of FILE relative to FD to TVP[0] and
+   the modification time of FILE to TVP[1].  */
+int
+futimesat (fd, file, tvp)
+     int fd;
+     const char *file;
+     const struct timeval tvp[2];
+{
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  if (file == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+weak_alias (__utimes, utimes)
+
+stub_warning (utimes)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/fxstatat.c b/sysdeps/generic/fxstatat.c
new file mode 100644
index 0000000000..62f7fe3efb
--- /dev/null
+++ b/sysdeps/generic/fxstatat.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstatat (int vers, int fd, const char *filename, struct stat *buf, int flag)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  if (buf == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstatat)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/fxstatat64.c b/sysdeps/generic/fxstatat64.c
new file mode 100644
index 0000000000..ba95b73e81
--- /dev/null
+++ b/sysdeps/generic/fxstatat64.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstatat64 (int vers, int fd, const char *filename, struct stat64 *buf,
+	      int flag)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+  if (buf == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (fstatat64)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/openat.c b/sysdeps/generic/openat.c
index b058bcbe9f..f3f699ca23 100644
--- a/sysdeps/generic/openat.c
+++ b/sysdeps/generic/openat.c
@@ -39,7 +39,7 @@ openat (fd, file, oflag)
       return -1;
     }
 
-  if (file[0] != '/')
+  if (fd != AT_FDCWD && file[0] != '/')
     {
       /* Check FD is associated with a directory.  */
       struct stat64 st;
diff --git a/sysdeps/generic/openat64.c b/sysdeps/generic/openat64.c
index 82575df399..87952d38d6 100644
--- a/sysdeps/generic/openat64.c
+++ b/sysdeps/generic/openat64.c
@@ -39,7 +39,7 @@ openat64 (fd, file, oflag)
       return -1;
     }
 
-  if (file[0] != '/')
+  if (fd != AT_FDCWD && file[0] != '/')
     {
       /* Check FD is associated with a directory.  */
       struct stat64 st;
diff --git a/sysdeps/generic/renameat.c b/sysdeps/generic/renameat.c
new file mode 100644
index 0000000000..e8629098df
--- /dev/null
+++ b/sysdeps/generic/renameat.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+
+/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD.  */
+int
+renameat (oldfd, old, newfd, new)
+     int oldfd;
+     const char *old;
+     int newfd;
+     const char *new;
+{
+  if ((oldfd < 0 & oldfd !_ AT_FDCWD) || (newfd < 0 && newfd != AT_FDCWD))
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  if (old == NULL || new == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (renameat)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/unlinkat.c b/sysdeps/generic/unlinkat.c
new file mode 100644
index 0000000000..f9a08b9903
--- /dev/null
+++ b/sysdeps/generic/unlinkat.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Remove the link named NAME.  */
+int
+unlinkat (fd, name, flag)
+     int fd;
+     const char *name;
+     int flag;
+{
+  if (name == NULL || (flag & AT_REMOVEDIR) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (unlinkat)
+
+#include <stub-tag.h>
diff --git a/sysdeps/unix/sysv/linux/alpha/fxstatat.c b/sysdeps/unix/sysv/linux/alpha/fxstatat.c
new file mode 100644
index 0000000000..65b7ad97a3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/fxstatat.c
@@ -0,0 +1,100 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#define __fxstatat64 __fxstatat64_disable
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <kernel_stat.h>
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <xstatconv.h>
+
+#undef __fxstatat64
+
+
+/* Get information about the file NAME in BUF.  */
+int
+__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  INTERNAL_SYSCALL_DECL (err);
+  int result, errno_out;
+  struct kernel_stat kst;
+
+  if (vers == _STAT_VER_KERNEL64 && !__libc_missing_axp_stat64)
+    {
+      if (flags & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lstat64, err, 2, file, st);
+      else
+	result = INTERNAL_SYSCALL (stat64, err, 2, file, st);
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	return result;
+      errno_out = INTERNAL_SYSCALL_ERRNO (result, err);
+      if (errno_out != ENOSYS)
+	goto fail;
+      __libc_missing_axp_stat64 = 1;
+    }
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lstat, err, 2, file, &kst);
+  else
+    result = INTERNAL_SYSCALL (stat, err, 2, file, &kst);
+
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return __xstat_conv (vers, &kst, st);
+  errno_out = INTERNAL_SYSCALL_ERRNO (result, err);
+
+ fail:
+  __atfct_seterrno (errno_out, fd, buf);
+
+  return -1;
+}
+hidden_def (__xstat)
+weak_alias (__xstat, _xstat);
+strong_alias (__xstat, __xstat64);
+hidden_ver (__xstat, __xstat64)
diff --git a/sysdeps/unix/sysv/linux/fchownat.c b/sysdeps/unix/sysv/linux/fchownat.c
new file mode 100644
index 0000000000..d3cb992a09
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fchownat.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Change the owner and group of FILE.  */
+int
+fchownat (fd, file, owner, group, flag)
+     int fd;
+     const char *file;
+     uid_t owner;
+     gid_t group;
+     int flag;
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lchown, err, 3, file, owner, group);
+  else
+    result = INTERNAL_SYSCALL (chown, err, 3, file, owner, group);
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/futimesat.c b/sysdeps/unix/sysv/linux/futimesat.c
new file mode 100644
index 0000000000..2fdedb0ff4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/futimesat.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <utime.h>
+#include <sys/time.h>
+#include <sysdep.h>
+#include "kernel-features.h"
+
+
+/* Change the access time of FILE relative to FD to TVP[0] and
+   the modification time of FILE to TVP[1].  */
+int
+futimesat (fd, file, tvp)
+     int fd;
+     const char *file;
+     const struct timeval tvp[2];
+{
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+#ifdef __NR_utimes
+  result = INTERNAL_SYSCALL (utimes, err, 2, file, tvp);
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return result;
+
+# ifndef __ASSUME_UTIMES
+  if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+    goto fail;
+# endif
+#endif
+
+  /* The utimes() syscall does not exist or is not available in the
+     used kernel.  Use utime().  For this we have to convert to the
+     data format utime() expects.  */
+#ifndef __ASSUME_UTIMES
+  struct utimbuf tmp;
+  struct utimbuf *times;
+
+  if (tvp != NULL)
+    {
+      times = &tmp;
+      tmp.actime = tvp[0].tv_sec + tvp[0].tv_usec / 1000000;
+      tmp.modtime = tvp[1].tv_sec + tvp[1].tv_usec / 1000000;
+    }
+  else
+    times = NULL;
+
+  result = INTERNAL_SYSCALL (utime, err, 2, file, times);
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return result;
+
+ fail:
+#endif
+
+  __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+
+  return -1;
+}
diff --git a/sysdeps/unix/sysv/linux/fxstatat.c b/sysdeps/unix/sysv/linux/fxstatat.c
new file mode 100644
index 0000000000..9bc3dbc459
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fxstatat.c
@@ -0,0 +1,106 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Ho hum, if fxstatat == fxstatat64 we must get rid of the prototype or gcc
+   will complain since they don't strictly match.  */
+#define __fxstatat64 __fxstatat64_disable
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <kernel_stat.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <bp-checks.h>
+
+#include <xstatconv.h>
+
+/* Get information about the file NAME in BUF.  */
+int
+__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+  if (vers == _STAT_VER_KERNEL)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
+				   CHECK_1 ((struct kernel_stat *) st));
+      else
+	result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
+				   CHECK_1 ((struct kernel_stat *) st));
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	return result;
+    }
+
+#ifdef STAT_IS_KERNEL_STAT
+  __set_errno (EINVAL);
+  return -1;
+#else
+  struct kernel_stat kst;
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&kst));
+  else
+    result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&kst));
+
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return __xstat_conv (vers, &kst, st);
+#endif
+
+  __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+
+  return -1;
+}
+#ifdef XSTAT_IS_XSTAT64
+# undef __fxstatat64
+strong_alias (__fxstatat, __fxstatat64);
+#endif
diff --git a/sysdeps/unix/sysv/linux/fxstatat64.c b/sysdeps/unix/sysv/linux/fxstatat64.c
new file mode 100644
index 0000000000..8c41db710c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fxstatat64.c
@@ -0,0 +1,135 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <kernel_stat.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <bp-checks.h>
+
+#include "kernel-features.h"
+
+#if __ASSUME_STAT64_SYSCALL == 0
+# include <xstatconv.h>
+#endif
+
+#ifdef __NR_stat64
+# if  __ASSUME_STAT64_SYSCALL == 0
+/* The variable is shared between all wrappers around *stat64 calls.
+   This is the definition.  */
+extern int __have_no_stat64;
+# endif
+#endif
+
+/* Get information about the file NAME in BUF.  */
+
+int
+__fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+#if __ASSUME_STAT64_SYSCALL > 0
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
+			       CHECK_1 (st));
+  else
+    result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file),
+			       CHECK_1 (st));
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    {
+# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
+      if (st->__st_ino != (__ino_t) st->st_ino)
+	st->st_ino = st->__st_ino;
+# endif
+      return result;
+    }
+#else
+  struct kernel_stat kst;
+# if defined __NR_stat64
+  if (! __have_no_stat64)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
+				   CHECK_1 (st));
+      else
+	result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file),
+				   CHECK_1 (st));
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	{
+#  if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
+	  if (st->__st_ino != (__ino_t) st->st_ino)
+	    st->st_ino = st->__st_ino;
+#  endif
+	  return result;
+	}
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __have_no_stat64 = 1;
+    }
+# endif
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&kst));
+  else
+    result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&kst));
+
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return __xstat64_conv (vers, &kst, st);
+
+ fail:
+  __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+
+  return -1;
+#endif
+}
diff --git a/sysdeps/unix/sysv/linux/i386/fchownat.c b/sysdeps/unix/sysv/linux/i386/fchownat.c
new file mode 100644
index 0000000000..331623f73d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fchownat.c
@@ -0,0 +1,177 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <shlib-compat.h>
+#include <bp-checks.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+
+/*
+  In Linux 2.1.x the chown functions have been changed.  A new function lchown
+  was introduced.  The new chown now follows symlinks - the old chown and the
+  new lchown do not follow symlinks.
+  The new lchown function has the same number as the old chown had and the
+  new chown has a new number.  When compiling with headers from Linux > 2.1.8x
+  it's impossible to run this libc with older kernels.  In these cases libc
+  has therefore to route calls to chown to the old chown function.
+*/
+
+extern int __chown_is_lchown (const char *__file, uid_t __owner,
+			      gid_t __group);
+extern int __real_chown (const char *__file, uid_t __owner, gid_t __group);
+
+
+#if defined __NR_lchown || __ASSUME_LCHOWN_SYSCALL > 0
+/* Running under Linux > 2.1.80.  */
+
+# ifdef __NR_chown32
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_chown32 */
+#endif
+
+
+int
+fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+#if defined __NR_lchown || __ASSUME_LCHOWN_SYSCALL > 0
+# if __ASSUME_LCHOWN_SYSCALL == 0
+  static int __libc_old_chown;
+
+#  ifdef __NR_chown32
+  if (__libc_missing_32bit_uids <= 0)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lchown32, err, 3, CHECK_STRING (file),
+				   owner, group);
+      else
+	result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file),
+				   owner, group);
+
+      if (!INTERNAL_SYSCALL_ERROR_P (result, err))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_chown32 */
+
+  if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
+      || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (!__libc_old_chown && (flag & AT_SYMLINK_NOFOLLOW) == 0)
+    {
+      result = INTERNAL_SYSCALL (chown, err, 3, CHECK_STRING (file), owner,
+				 group);
+
+      if (!INTERNAL_SYSCALL_ERROR_P (result, err))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __libc_old_chown = 1;
+    }
+
+  result = INTERNAL_SYSCALL (lchown, err, 3, CHECK_STRING (file), owner,
+			     group);
+# elif __ASSUME_32BITUIDS
+  /* This implies __ASSUME_LCHOWN_SYSCALL.  */
+  result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner,
+			     group);
+# else
+  /* !__ASSUME_32BITUIDS && ASSUME_LCHOWN_SYSCALL  */
+#  ifdef __NR_chown32
+  if (__libc_missing_32bit_uids <= 0)
+    {
+      result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner,
+				 group);
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_chown32 */
+  if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
+      || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  result = INTERNAL_SYSCALL (chown, err, 3, CHECK_STRING (file), owner, group);
+# endif
+#else
+  result = INTERNAL_SYSCALL (chown, err, 3, CHECK_STRING (file), owner, group);
+#endif
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    {
+    fail:
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+      result = -1;
+    }
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/i386/fxstatat.c b/sysdeps/unix/sysv/linux/i386/fxstatat.c
new file mode 100644
index 0000000000..2fc89e69c4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fxstatat.c
@@ -0,0 +1,148 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Ho hum, if fxstatat == fxstatat64 we must get rid of the prototype or gcc
+   will complain since they don't strictly match.  */
+#define __fxstatat64 __fxstatat64_disable
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <kernel_stat.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <bp-checks.h>
+
+#include "kernel-features.h"
+
+#include <xstatconv.h>
+
+#ifdef __NR_stat64
+# if __ASSUME_STAT64_SYSCALL == 0
+/* The variable is shared between all wrappers around *stat64 calls.  */
+extern int __have_no_stat64;
+# endif
+#endif
+
+
+/* Get information about the file NAME relative to FD in ST.  */
+int
+__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+#if __ASSUME_STAT64_SYSCALL == 0
+  struct kernel_stat kst;
+#endif
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+  if (vers == _STAT_VER_KERNEL)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
+				   CHECK_1 ((struct kernel_stat *) st));
+      else
+	result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
+				   CHECK_1 ((struct kernel_stat *) st));
+      goto out;
+    }
+
+#if __ASSUME_STAT64_SYSCALL > 0
+  struct stat64 st64;
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&st64));
+  else
+    result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&st64));
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return __xstat32_conv (vers, &st64, st);
+#else
+# if defined __NR_stat64
+  /* To support 32 bit UIDs, we have to use stat64.  The normal stat
+     call only returns 16 bit UIDs.  */
+  if (! __have_no_stat64)
+    {
+      struct stat64 st64;
+
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
+				   __ptrvalue (&st64));
+      else
+	result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file),
+				   __ptrvalue (&st64));
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	result = __xstat32_conv (vers, &st64, st);
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)
+	  || INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto out;
+
+      __have_no_stat64 = 1;
+    }
+# endif
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&kst));
+  else
+    result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
+			       __ptrvalue (&kst));
+  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+    return __xstat_conv (vers, &kst, st);
+#endif  /* __ASSUME_STAT64_SYSCALL  */
+
+ out:
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+
+  return result;
+}
+#ifdef XSTAT_IS_XSTAT64
+# undef __fxstatat64
+strong_alias (__fxstatat, __fxstatat64);
+#endif
diff --git a/sysdeps/unix/sysv/linux/m68k/fchownat.c b/sysdeps/unix/sysv/linux/m68k/fchownat.c
new file mode 100644
index 0000000000..71df4feda7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/fchownat.c
@@ -0,0 +1,121 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <bp-checks.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+
+#ifdef __NR_chown32
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_chown32 */
+
+int
+fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+#if __ASSUME_32BITUIDS > 0
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lchown32, err, 3, CHECK_STRING (file), owner,
+			       group);
+  else
+    result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner,
+			       group);
+#else
+# ifdef __NR_chown32
+  if (__libc_missing_32bit_uids <= 0)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lchown32, err, 3, CHECK_STRING (file),
+				   owner, group);
+      else
+	result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner,
+				   group);
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_chown32 */
+
+  if (((owner + 1) > (gid_t) ((__kernel_uid_t) -1U))
+      || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lchown, err, 3, CHECK_STRING (file), owner,
+			       group);
+  else
+    result = INTERNAL_SYSCALL (chown, err, 3, CHECK_STRING (file), owner,
+			       group);
+#endif
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    {
+    fail:
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+      result = -1;
+    }
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/m68k/fxstatat.c b/sysdeps/unix/sysv/linux/m68k/fxstatat.c
new file mode 100644
index 0000000000..0f8b3135d8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/fxstatat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/openat.c b/sysdeps/unix/sysv/linux/openat.c
index a89f172b62..d5d976cbc4 100644
--- a/sysdeps/unix/sysv/linux/openat.c
+++ b/sysdeps/unix/sysv/linux/openat.c
@@ -29,6 +29,30 @@
 #ifndef OPENAT
 # define OPENAT openat
 # define MORE_OFLAGS 0
+
+
+void
+attribute_hidden
+__atfct_seterrno (int errval, int fd, const char *buf)
+{
+  if (buf != NULL && errval == ENOTDIR)
+    {
+      /* This can mean either the file descriptor is invalid or
+	 /proc is not mounted.  */
+      struct stat64 st;
+      if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+	/* errno is already set correctly.  */
+	return;
+
+      /* If /proc is not mounted there is nothing we can do.  */
+      if (S_ISDIR (st.st_mode)
+	  && (__xstat64 (_STAT_VER, "/proc/self/fd", &st) != 0
+	      || !S_ISDIR (st.st_mode)))
+	errval = ENOSYS;
+    }
+
+  __set_errno (errval);
+}
 #endif
 
 /* Open FILE with access OFLAG.  Interpret relative paths relative to
@@ -42,7 +66,7 @@ OPENAT (fd, file, oflag)
 {
   char *buf = NULL;
 
-  if (file[0] != '/')
+  if (fd != AT_FDCWD && file[0] != '/')
     {
       size_t filelen = strlen (file);
       static const char procfd[] = "/proc/self/fd/%d/%s";
@@ -85,26 +109,9 @@ OPENAT (fd, file, oflag)
 
   if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
     {
-      int errval = INTERNAL_SYSCALL_ERRNO (res, err);
-      if (buf != NULL && errval == ENOTDIR)
-	{
-	  /* This can mean either the file desriptor is invalid or
-	     /proc is not mounted.  */
-	  struct stat64 st;
-	  if (__fxstat64 (_STAT_VER, fd, &st) != 0)
-	    /* errno is already set correctly.  */
-	    goto out;
-
-	  /* If /proc is not mounted there is nothing we can do.  */
-	  if (S_ISDIR (st.st_mode)
-	      && (__xstat64 (_STAT_VER, "/proc/self/fd", &st) != 0
-		  || !S_ISDIR (st.st_mode)))
-	    errval = ENOSYS;
-	}
-
-      __set_errno (errval);
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (res, err), fd, buf);
+      res = -1;
     }
 
- out:
   return res;
 }
diff --git a/sysdeps/unix/sysv/linux/powerpc/chown.c b/sysdeps/unix/sysv/linux/powerpc/chown.c
index 4b283e720c..fdcbd3683a 100644
--- a/sysdeps/unix/sysv/linux/powerpc/chown.c
+++ b/sysdeps/unix/sysv/linux/powerpc/chown.c
@@ -1,5 +1,5 @@
 /* chown() compatibility.
-   Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000, 2002, 2003, 2005 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
@@ -24,6 +24,8 @@
 #include <sysdep.h>
 #include <stdlib.h>
 
+#include <kernel-features.h>
+
 /*
   In Linux 2.1.x the chown functions have been changed.  A new function lchown
   was introduced.  The new chown now follows symlinks - the old chown and the
@@ -34,58 +36,61 @@
 int
 __chown (const char *file, uid_t owner, gid_t group)
 {
-   int err;
-   int old_errno;
-   char link[PATH_MAX+2];
-   char path[2*PATH_MAX+4];
-   int loopct;
-   size_t filelen;
-   static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */;
-
-   if (libc_old_chown == 1)
-     return INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
-
-   old_errno = errno;
-
-#ifdef __NR_lchown
-   if (libc_old_chown == 0)
-     {
-       err = INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
-       if (err != -1 || errno != ENOSYS)
-	 {
-	   libc_old_chown = 1;
-	   return err;
-	 }
-       libc_old_chown = -1;
-     }
-#endif
-
-   err = __readlink (file, link, PATH_MAX+1);
-   if (err == -1)
-     {
-       errno = old_errno;
-       return __lchown(file, owner, group);
-     }
-
-   filelen = strlen (file) + 1;
-   if (filelen > sizeof(path))
-     {
-       errno = ENAMETOOLONG;
-       return -1;
-     }
-   memcpy (path, file, filelen);
-
-   /* 'The system has an arbitrary limit...'  In practise, we'll hit
-      ENAMETOOLONG before this, usually.  */
-   for (loopct = 0; loopct < 128; loopct++)
-   {
-     size_t linklen;
-
-     if (err >= PATH_MAX+1)
-       {
-	 errno = ENAMETOOLONG;
-	 return -1;
-       }
+#if __ASSUME_LCHOWN_SYSCALL
+  return INLINE_SYSCALL (chown, 3, file, owner, group);
+#else
+  int err;
+  int old_errno;
+  char link[PATH_MAX + 2];
+  char path[2 * PATH_MAX + 4];
+  int loopct;
+  size_t filelen;
+  static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */;
+
+  if (libc_old_chown == 1)
+    return INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
+
+  old_errno = errno;
+
+# ifdef __NR_lchown
+  if (libc_old_chown == 0)
+    {
+      err = INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group);
+      if (err != -1 || errno != ENOSYS)
+	{
+	  libc_old_chown = 1;
+	  return err;
+	}
+      libc_old_chown = -1;
+    }
+# endif
+
+  err = __readlink (file, link, PATH_MAX + 1);
+  if (err == -1)
+    {
+      __set_errno (old_errno);
+      return __lchown (file, owner, group);
+    }
+
+  filelen = strlen (file) + 1;
+  if (filelen > sizeof (path))
+    {
+      __set_errno (ENAMETOOLONG);
+      return -1;
+    }
+  memcpy (path, file, filelen);
+
+  /* 'The system has an arbitrary limit...'  In practise, we'll hit
+     ENAMETOOLONG before this, usually.  */
+  for (loopct = 0; loopct < 128; ++loopct)
+    {
+      size_t linklen;
+
+      if (err >= PATH_MAX + 1)
+	{
+	  __set_errno (ENAMETOOLONG);
+	  return -1;
+	}
 
       link[err] = 0;  /* Null-terminate string, just-in-case.  */
 
@@ -97,28 +102,29 @@ __chown (const char *file, uid_t owner, gid_t group)
 	{
 	  filelen = strlen (path);
 
-	  while (filelen > 1 && path[filelen-1] == '/')
-	    filelen--;
-	  while (filelen > 0 && path[filelen-1] != '/')
-	    filelen--;
-	  if (filelen + linklen > sizeof(path))
+	  while (filelen > 1 && path[filelen - 1] == '/')
+	    --filelen;
+	  while (filelen > 0 && path[filelen - 1] != '/')
+	    --filelen;
+	  if (filelen + linklen > sizeof (path))
 	    {
 	      errno = ENAMETOOLONG;
 	      return -1;
 	    }
-	  memcpy (path+filelen, link, linklen);
+	  memcpy (path + filelen, link, linklen);
 	}
 
-      err = __readlink(path, link, PATH_MAX+1);
+      err = __readlink (path, link, PATH_MAX + 1);
 
       if (err == -1)
-      {
-	errno = old_errno;
-	return __lchown(path, owner, group);
-      }
-   }
-   errno = ELOOP;
-   return -1;
+	{
+	  __set_errno (old_errno);
+	  return __lchown (path, owner, group);
+	}
+    }
+  __set_errno (ELOOP);
+  return -1;
+#endif
 }
 libc_hidden_def (__chown)
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/fchownat.c b/sysdeps/unix/sysv/linux/powerpc/fchownat.c
new file mode 100644
index 0000000000..1fbae5c448
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/fchownat.c
@@ -0,0 +1,205 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sysdep.h>
+#include <stdlib.h>
+
+#include <kernel-features.h>
+
+/*
+  In Linux 2.1.x the chown functions have been changed.  A new function lchown
+  was introduced.  The new chown now follows symlinks - the old chown and the
+  new lchown do not follow symlinks.
+  This file emulates chown() under the old kernels.
+*/
+
+int
+fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+#if __ASSUME_LCHOWN_SYSCALL
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    result = INTERNAL_SYSCALL (lchown, err, 3, file, owner, group);
+  else
+    result = INTERNAL_SYSCALL (chown, err, 3, file, owner, group);
+#else
+  char link[PATH_MAX + 2];
+  char path[2 * PATH_MAX + 4];
+  int loopct;
+  size_t filelen;
+  static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */;
+
+  if (libc_old_chown == 1)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lchown, err, 3, __ptrvalue (file), owner,
+				   group);
+      else
+	result = INTERNAL_SYSCALL (chown, err, 3, __ptrvalue (file), owner,
+				   group);
+      goto out;
+    }
+
+# ifdef __NR_lchown
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    {
+      result = INTERNAL_SYSCALL (lchown, err, 3, __ptrvalue (file), owner,
+				 group);
+      goto out;
+    }
+
+  if (libc_old_chown == 0)
+    {
+      result = INTERNAL_SYSCALL (chown, err, 3, __ptrvalue (file), owner,
+				 group);
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	{
+	  libc_old_chown = 1;
+	  goto fail;
+	}
+      libc_old_chown = -1;
+    }
+# else
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    {
+      result = INTERNAL_SYSCALL (chown, err, 3, __ptrvalue (file), owner,
+				 group);
+      goto out;
+    }
+# endif
+
+  result = __readlink (file, link, PATH_MAX + 1);
+  if (result == -1)
+    {
+# ifdef __NR_lchown
+      result = INTERNAL_SYSCALL (lchown, err, 3, __ptrvalue (file), owner,
+				 group);
+# else
+      result = INTERNAL_SYSCALL (chown, err, 3, __ptrvalue (file), owner,
+				 group);
+# endif
+      goto out;
+    }
+
+  filelen = strlen (file) + 1;
+  if (filelen > sizeof (path))
+    {
+      errno = ENAMETOOLONG;
+      return -1;
+    }
+  memcpy (path, file, filelen);
+
+  /* 'The system has an arbitrary limit...'  In practise, we'll hit
+     ENAMETOOLONG before this, usually.  */
+  for (loopct = 0; loopct < 128; ++loopct)
+    {
+      size_t linklen;
+
+      if (result >= PATH_MAX + 1)
+	{
+	  errno = ENAMETOOLONG;
+	  return -1;
+	}
+
+      link[result] = 0;  /* Null-terminate string, just-in-case.  */
+
+      linklen = strlen (link) + 1;
+
+      if (link[0] == '/')
+	memcpy (path, link, linklen);
+      else
+	{
+	  filelen = strlen (path);
+
+	  while (filelen > 1 && path[filelen - 1] == '/')
+	    --filelen;
+	  while (filelen > 0 && path[filelen - 1] != '/')
+	    --filelen;
+	  if (filelen + linklen > sizeof (path))
+	    {
+	      errno = ENAMETOOLONG;
+	      return -1;
+	    }
+	  memcpy (path + filelen, link, linklen);
+	}
+
+      result = __readlink (path, link, PATH_MAX + 1);
+
+      if (result == -1)
+	{
+# ifdef __NR_lchown
+	  result = INTERNAL_SYSCALL (lchown, err, 3, path, owner, group);
+# else
+	  result = INTERNAL_SYSCALL (chown, err, 3, path, owner, group);
+# endif
+	  goto out;
+	}
+    }
+  __set_errno (ELOOP);
+  return -1;
+
+ out:
+#endif
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    {
+#if !__ASSUME_LCHOWN_SYSCALL
+    fail:
+#endif
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+      result = -1;
+    }
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c
new file mode 100644
index 0000000000..0f8b3135d8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/renameat.c b/sysdeps/unix/sysv/linux/renameat.c
new file mode 100644
index 0000000000..31662ea053
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/renameat.c
@@ -0,0 +1,121 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sysdep.h>
+
+
+/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD.  */
+int
+renameat (oldfd, old, newfd, new)
+     int oldfd;
+     const char *old;
+     int newfd;
+     const char *new;
+{
+  static const char procfd[] = "/proc/self/fd/%d/%s";
+  char *bufold = NULL;
+
+  if (oldfd != AT_FDCWD && old[0] != '/')
+    {
+      size_t filelen = strlen (old);
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      bufold = alloca (buflen);
+
+      __snprintf (bufold, buflen, procfd, oldfd, old);
+      old = bufold;
+    }
+
+  char *bufnew = NULL;
+
+  if (newfd != AT_FDCWD && new[0] != '/')
+    {
+      size_t filelen = strlen (new);
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      bufnew = alloca (buflen);
+
+      __snprintf (bufnew, buflen, procfd, newfd, new);
+      new = bufnew;
+    }
+
+  INTERNAL_SYSCALL_DECL (err);
+
+  int result = INTERNAL_SYSCALL (rename, err, 2, old,  new);
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    {
+      int errval = INTERNAL_SYSCALL_ERRNO (result, err);
+      if (errval == ENOTDIR && (bufnew != NULL || bufold != NULL))
+	{
+	  /* This can mean either the file descriptor is invalid or
+	     /proc is not mounted.  */
+	  struct stat64 st;
+
+	  if (bufnew != NULL)
+	    {
+	      if (__fxstat64 (_STAT_VER, newfd, &st) != 0)
+		/* errno is already set correctly.  */
+		return -1;
+
+	      /* If /proc is not mounted there is nothing we can do.  */
+	      if (S_ISDIR (st.st_mode)
+		  && (__xstat64 (_STAT_VER, "/proc/self/fd", &st) != 0
+		      || !S_ISDIR (st.st_mode)))
+		{
+		  errval = ENOSYS;
+		  goto out;
+		}
+	    }
+
+	  if (bufold != NULL)
+	    {
+	      if (__fxstat64 (_STAT_VER, oldfd, &st) != 0)
+		/* errno is already set correctly.  */
+		return -1;
+
+	      /* If /proc is not mounted there is nothing we can do.  */
+	      if (S_ISDIR (st.st_mode)
+		  && (__xstat64 (_STAT_VER, "/proc/self/fd", &st) != 0
+		      || !S_ISDIR (st.st_mode)))
+		errval = ENOSYS;
+	    }
+	}
+
+    out:
+      __set_errno (errval);
+      result = -1;
+    }
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c
new file mode 100644
index 0000000000..b95665cad3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c
@@ -0,0 +1,140 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <shlib-compat.h>
+#include <bp-checks.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+
+/*
+  In Linux 2.1.x the chown functions have been changed.  A new function lchown
+  was introduced.  The new chown now follows symlinks - the old chown and the
+  new lchown do not follow symlinks.
+  The new lchown function has the same number as the old chown had and the
+  new chown has a new number.  When compiling with headers from Linux > 2.1.8x
+  it's impossible to run this libc with older kernels.  In these cases libc
+  has therefore to route calls to chown to the old chown function.
+*/
+
+/* Running under Linux > 2.1.80.  */
+
+#ifdef __NR_chown32
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_chown32 */
+
+int
+fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag)
+{
+  if (flag & ~AT_SYMLINK_NOFOLLOW)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+#if __ASSUME_32BITUIDS > 0
+  result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file), owner,
+			     group);
+#else
+  static int __libc_old_chown;
+
+# ifdef __NR_chown32
+  if (__libc_missing_32bit_uids <= 0)
+    {
+      if (flag & AT_SYMLINK_NOFOLLOW)
+	result = INTERNAL_SYSCALL (lchown32, err, 3, CHECK_STRING (file),
+				   owner, group);
+      else
+	result = INTERNAL_SYSCALL (chown32, err, 3, CHECK_STRING (file),
+				   owner, group);
+
+      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_chown32 */
+  if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
+      || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (!__libc_old_chown && (flag & AT_SYMLINK_NOFOLLOW) == 0)
+    {
+      result = INTERNAL_SYSCALL (chown, err, 3, CHECK_STRING (file), owner,
+				 group);
+
+      if (!INTERNAL_SYSCALL_ERROR_P (result, err))
+	return result;
+      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
+	goto fail;
+
+      __libc_old_chown = 1;
+    }
+
+  result = INTERNAL_SYSCALL (lchown, err, 3, CHECK_STRING (file), owner,
+			     group);
+#endif
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    {
+    fail:
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+      result = -1;
+    }
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c
new file mode 100644
index 0000000000..0f8b3135d8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/sh/fchownat.c b/sysdeps/unix/sysv/linux/sh/fchownat.c
new file mode 100644
index 0000000000..7acf7918ee
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/fchownat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/m68k/fchownat.c>
diff --git a/sysdeps/unix/sysv/linux/sh/fxstatat.c b/sysdeps/unix/sysv/linux/sh/fxstatat.c
new file mode 100644
index 0000000000..0f8b3135d8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/fxstatat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c b/sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c
new file mode 100644
index 0000000000..7acf7918ee
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/m68k/fchownat.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c b/sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c
new file mode 100644
index 0000000000..0f8b3135d8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c b/sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c
new file mode 100644
index 0000000000..c2610b2a06
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c
@@ -0,0 +1 @@
+#include "../../fxstatat.c"
diff --git a/sysdeps/unix/sysv/linux/unlinkat.c b/sysdeps/unix/sysv/linux/unlinkat.c
new file mode 100644
index 0000000000..c590e71ada
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/unlinkat.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+/* Remove the link named NAME.  */
+int
+unlinkat (fd, file, flag)
+     int fd;
+     const char *file;
+     int flag;
+{
+  if (flag & ~AT_REMOVEDIR)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  int result;
+  INTERNAL_SYSCALL_DECL (err);
+
+  if (flag & AT_REMOVEDIR)
+    result = INTERNAL_SYSCALL (rmdir, err, 1, file);
+  else
+    result = INTERNAL_SYSCALL (unlink, err, 1, file);
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
+    {
+      __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
+      result = -1;
+    }
+
+  return result;
+}
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c
new file mode 100644
index 0000000000..70e73571f7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 2005 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Ho hum, since fxstatat == fxstatat64 we must get rid of the
+   prototype or gcc will complain since they don't strictly match.  */
+#define __fxstatat64 __fxstatat64_disable
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/stat.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include <bp-checks.h>
+
+/* Get information about the file NAME relative to FD in ST.  */
+int
+__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
+{
+  if ((vers != _STAT_VER_KERNEL && vers != _STAT_VER_LINUX)
+      || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  char *buf = NULL;
+
+  if (fd != AT_FDCWD && file[0] != '/')
+    {
+      size_t filelen = strlen (file);
+      static const char procfd[] = "/proc/self/fd/%d/%s";
+      /* Buffer for the path name we are going to use.  It consists of
+	 - the string /proc/self/fd/
+	 - the file descriptor number
+	 - the file name provided.
+	 The final NUL is included in the sizeof.   A bit of overhead
+	 due to the format elements compensates for possible negative
+	 numbers.  */
+      size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
+      buf = alloca (buflen);
+
+      __snprintf (buf, buflen, procfd, fd, file);
+      file = buf;
+    }
+
+  INTERNAL_SYSCALL_DECL (err);
+  int res;
+
+  if (flag & AT_SYMLINK_NOFOLLOW)
+    res = INTERNAL_SYSCALL (lstat, err, 2, file, CHECK_1 (st));
+  else
+    res = INTERNAL_SYSCALL (stat, err, 2, file, CHECK_1 (st));
+
+  if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
+    __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (res, err), fd, buf);
+
+  return res;
+}
+#undef __fxstatat64
+strong_alias (__fxstatat, __fxstatat64);
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c
new file mode 100644
index 0000000000..05e7f413bb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c
@@ -0,0 +1 @@
+/* fxstatat64 is in fxstatat.c */
diff --git a/time/sys/time.h b/time/sys/time.h
index 515ea7ec68..199125bff3 100644
--- a/time/sys/time.h
+++ b/time/sys/time.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1994,1996-2002,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1994,1996-2002,2003,2005 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
@@ -70,13 +70,14 @@ typedef void *__restrict __timezone_ptr_t;
    NOTE: This form of timezone information is obsolete.
    Use the functions and variables declared in <time.h> instead.  */
 extern int gettimeofday (struct timeval *__restrict __tv,
-			 __timezone_ptr_t __tz) __THROW;
+			 __timezone_ptr_t __tz) __THROW __nonnull ((1));
 
 #ifdef __USE_BSD
 /* Set the current time of day and timezone information.
    This call is restricted to the super-user.  */
 extern int settimeofday (__const struct timeval *__tv,
-			 __const struct timezone *__tz) __THROW;
+			 __const struct timezone *__tz)
+     __THROW __nonnull ((1));
 
 /* Adjust the current time of day by the amount in DELTA.
    If OLDDELTA is not NULL, it is filled in with the amount
@@ -136,17 +137,25 @@ extern int setitimer (__itimer_which_t __which,
    FILE to TVP[1].  If TVP is a null pointer, use the current time instead.
    Returns 0 on success, -1 on errors.  */
 extern int utimes (__const char *__file, __const struct timeval __tvp[2])
-     __THROW;
+     __THROW __nonnull ((1));
 
 #ifdef __USE_BSD
 /* Same as `utimes', but does not follow symbolic links.  */
 extern int lutimes (__const char *__file, __const struct timeval __tvp[2])
-     __THROW;
+     __THROW __nonnull ((1));
 
 /* Same as `utimes', but takes an open file descriptor instead of a name.  */
 extern int futimes (int __fd, __const struct timeval __tvp[2]) __THROW;
 #endif
 
+#ifdef __USE_GNU
+/* Change the access time of FILE relative to FD to TVP[0] and the
+   modification time of FILE to TVP[1].  If TVP is a null pointer, use
+   the current time instead.  Returns 0 on success, -1 on errors.  */
+extern int futimesat (int __fd, __const char *__file,
+		      __const struct timeval __tvp[2]) __THROW __nonnull ((2));
+#endif
+
 
 #ifdef __USE_BSD
 /* Convenience macros for operations on timevals.