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authorUlrich Drepper <drepper@redhat.com>2009-04-03 19:57:16 +0000
committerUlrich Drepper <drepper@redhat.com>2009-04-03 19:57:16 +0000
commite109c6124fe121618e42ba882e2a0af6e97b8efc (patch)
tree1e5ab3fe5ac14fe05fef1e21a6ef0653f1cce2b4 /misc
parent7166c77ad06b44571398d641e00153145da04a2b (diff)
downloadglibc-e109c6124fe121618e42ba882e2a0af6e97b8efc.tar.gz
* 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.
Diffstat (limited to 'misc')
-rw-r--r--misc/Makefile2
-rw-r--r--misc/Versions3
-rw-r--r--misc/preadv.c41
-rw-r--r--misc/preadv64.c41
-rw-r--r--misc/pwritev.c41
-rw-r--r--misc/pwritev64.c41
-rw-r--r--misc/sys/uio.h83
7 files changed, 244 insertions, 8 deletions
diff --git a/misc/Makefile b/misc/Makefile
index a256068c2b..13576347b9 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 b182f12311..c930eea944 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 0000000000..3e2cc689e6
--- /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 0000000000..ea675bb359
--- /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 0000000000..d45ed23351
--- /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 0000000000..fe95857554
--- /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 1b203f71c2..a3c782917a 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