* misc/Makefile (routines): Add preadv, preadv64, pwritev, pwritev64.

	* misc/Versions: Export preadv, preadv64, pwritev, pwritev64 for
	GLIBC_2.10.
	* misc/sys/uio.h: Declare preadv, preadv64, pwritev, pwritev64.
	* sysdeps/unix/sysv/linux/kernel-features.h: Add entries for preadv
	and pwritev.
	* misc/preadv.c: New file.
	* misc/preadv64.c: New file.
	* misc/pwritev.c: New file.
	* misc/pwritev64.c: New file.
	* sysdeps/posx/preadv.c: New file.
	* sysdeps/posx/preadv64.c: New file.
	* sysdeps/posx/pwritev.c: New file.
	* sysdeps/posx/pwritev64.c: New file.
	* sysdeps/unix/sysv/linux/preadv.c: New file.
	* sysdeps/unix/sysv/linux/preadv64.c: New file.
	* sysdeps/unix/sysv/linux/pwritev.c: New file.
	* sysdeps/unix/sysv/linux/pwritev64.c: New file.
	* sysdeps/unix/sysv/linux/wordsize-64/preadv64.c: New file.
	* sysdeps/unix/sysv/linux/wordsize-64/pwritev64.c: New file.

7 files changed, 244 insertions, 8 deletions

diff --git a/misc/Makefile b/misc/Makefile
index a256068..1357634 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -34,7 +34,7 @@ headers	:= sys/uio.h bits/uio.h sys/ioctl.h bits/ioctls.h bits/ioctl-types.h \
 	   bits/syslog.h bits/syslog-ldbl.h bits/syslog-path.h bits/error.h
 
 routines := brk sbrk sstk ioctl \
-	    readv writev \
+	    readv writev preadv preadv64 pwritev pwritev64 \
 	    setreuid setregid \
 	    seteuid setegid \
 	    getpagesize \
diff --git a/misc/Versions b/misc/Versions
index b182f12..c930eea 100644
--- a/misc/Versions
+++ b/misc/Versions
@@ -137,4 +137,7 @@ libc {
   GLIBC_2.7 {
     mkostemp; mkostemp64;
   }
+  GLIBC_2.10 {
+    preadv; preadv64; pwritev; pwritev64;
+  }
 }
diff --git a/misc/preadv.c b/misc/preadv.c
new file mode 100644
index 0000000..3e2cc68
--- /dev/null
+++ b/misc/preadv.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2009 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 <unistd.h>
+#include <sys/uio.h>
+
+/* Read data from file descriptor FD at the given position OFFSET
+   without change the file pointer, and put the result in the buffers
+   described by VECTOR, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.  Operates just like
+   'read' (see <unistd.h>) except that data are put in VECTOR instead
+   of a contiguous buffer.  */
+ssize_t
+preadv (fd, vector, count, offset)
+     int fd;
+     const struct iovec *vector;
+     int count;
+     off_t offset;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (preadv)
+#include <stub-tag.h>
diff --git a/misc/preadv64.c b/misc/preadv64.c
new file mode 100644
index 0000000..ea675bb
--- /dev/null
+++ b/misc/preadv64.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2009 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 <unistd.h>
+#include <sys/uio.h>
+
+/* Read data from file descriptor FD at the given position OFFSET
+   without change the file pointer, and put the result in the buffers
+   described by VECTOR, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.  Operates just like
+   'read' (see <unistd.h>) except that data are put in VECTOR instead
+   of a contiguous buffer.  */
+ssize_t
+preadv64 (fd, vector, count, offset)
+     int fd;
+     const struct iovec *vector;
+     int count;
+     off64_t offset;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (preadv64)
+#include <stub-tag.h>
diff --git a/misc/pwritev.c b/misc/pwritev.c
new file mode 100644
index 0000000..d45ed23
--- /dev/null
+++ b/misc/pwritev.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2009 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 <unistd.h>
+#include <sys/uio.h>
+
+/* Write data pointed by the buffers described by VECTOR, which is a
+   vector of COUNT 'struct iovec's, to file descriptor FD at the given
+   position OFFSET without change the file pointer.  The data is
+   written in the order specified.  Operates just like 'write' (see
+   <unistd.h>) except that the data are taken from VECTOR instead of a
+   contiguous buffer.  */
+ssize_t
+pwritev (fd, vector, count, offset)
+     int fd;
+     const struct iovec *vector;
+     int count;
+     off_t offset;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (pwritev)
+#include <stub-tag.h>
diff --git a/misc/pwritev64.c b/misc/pwritev64.c
new file mode 100644
index 0000000..fe95857
--- /dev/null
+++ b/misc/pwritev64.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2009 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 <unistd.h>
+#include <sys/uio.h>
+
+/* Write data pointed by the buffers described by VECTOR, which is a
+   vector of COUNT 'struct iovec's, to file descriptor FD at the given
+   position OFFSET without change the file pointer.  The data is
+   written in the order specified.  Operates just like 'write' (see
+   <unistd.h>) except that the data are taken from VECTOR instead of a
+   contiguous buffer.  */
+ssize_t
+pwritev64 (fd, vector, count, offset)
+     int fd;
+     const struct iovec *vector;
+     int count;
+     off64_t offset;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+stub_warning (pwritev64)
+#include <stub-tag.h>
diff --git a/misc/sys/uio.h b/misc/sys/uio.h
index 1b203f7..a3c7829 100644
--- a/misc/sys/uio.h
+++ b/misc/sys/uio.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 96, 97, 98, 99, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1992,1996-1999,2003,2009 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
@@ -30,24 +30,93 @@ __BEGIN_DECLS
 
 
 /* Read data from file descriptor FD, and put the result in the
-   buffers described by IOVEC, which is a vector of COUNT `struct iovec's.
+   buffers described by IOVEC, which is a vector of COUNT 'struct iovec's.
    The buffers are filled in the order specified.
-   Operates just like `read' (see <unistd.h>) except that data are
+   Operates just like 'read' (see <unistd.h>) except that data are
    put in IOVEC instead of a contiguous buffer.
 
    This function is a cancellation point and therefore not marked with
    __THROW.  */
-extern ssize_t readv (int __fd, __const struct iovec *__iovec, int __count);
+extern ssize_t readv (int __fd, __const struct iovec *__iovec, int __count)
+  __wur;
 
 /* Write data pointed by the buffers described by IOVEC, which
-   is a vector of COUNT `struct iovec's, to file descriptor FD.
+   is a vector of COUNT 'struct iovec's, to file descriptor FD.
    The data is written in the order specified.
-   Operates just like `write' (see <unistd.h>) except that the data
+   Operates just like 'write' (see <unistd.h>) except that the data
    are taken from IOVEC instead of a contiguous buffer.
 
    This function is a cancellation point and therefore not marked with
    __THROW.  */
-extern ssize_t writev (int __fd, __const struct iovec *__iovec, int __count);
+extern ssize_t writev (int __fd, __const struct iovec *__iovec, int __count)
+  __wur;
+
+
+#ifdef __USE_BSD
+# ifndef __USE_FILE_OFFSET64
+/* Read data from file descriptor FD at the given position OFFSET
+   without change the file pointer, and put the result in the buffers
+   described by IOVEC, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.  Operates just like
+   'read' (see <unistd.h>) except that data are put in IOVEC instead
+   of a contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t preadv (int __fd, __const struct iovec *__iovec, int __count,
+		       __off_t __offset) __wur;
+
+/* Write data pointed by the buffers described by IOVEC, which is a
+   vector of COUNT 'struct iovec's, to file descriptor FD at the given
+   position OFFSET without change the file pointer.  The data is
+   written in the order specified.  Operates just like 'write' (see
+   <unistd.h>) except that the data are taken from IOVEC instead of a
+   contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t pwritev (int __fd, __const struct iovec *__iovec, int __count,
+			__off_t __offset) __wur;
+# else
+#  ifdef __REDIRECT
+extern ssize_t __REDIRECT (preadv, (int __fd, __const struct iovec *__iovec,
+				    int __count, __off_t __offset),
+			   preadv64) __wur;
+extern ssize_t __REDIRECT (pwritev, (int __fd, __const struct iovec *__iovec,
+				     int __count, __off_t __offset),
+			   pwritev64) __wur;
+#  else
+#   define preadv preadv64
+#   define pwritev pwritev64
+#  endif
+# endif
+
+# ifdef __USE_LARGEFILE64
+/* Read data from file descriptor FD at the given position OFFSET
+   without change the file pointer, and put the result in the buffers
+   described by IOVEC, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.  Operates just like
+   'read' (see <unistd.h>) except that data are put in IOVEC instead
+   of a contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t preadv64 (int __fd, __const struct iovec *__iovec, int __count,
+			 __off64_t __offset) __wur;
+
+/* Write data pointed by the buffers described by IOVEC, which is a
+   vector of COUNT 'struct iovec's, to file descriptor FD at the given
+   position OFFSET without change the file pointer.  The data is
+   written in the order specified.  Operates just like 'write' (see
+   <unistd.h>) except that the data are taken from IOVEC instead of a
+   contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t pwritev64 (int __fd, __const struct iovec *__iovec, int __count,
+			  __off64_t __offset) __wur;
+# endif
+#endif	/* Use BSD */
 
 __END_DECLS