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/* Copyright (C) 2011-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
Based on work contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sys/uio.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <kernel-features.h>
static ssize_t
do_preadv64 (int fd, const struct iovec *vector, int count, off64_t offset)
{
return INLINE_SYSCALL (preadv, __ALIGNMENT_COUNT (5, 6), fd,
vector, count, __ALIGNMENT_ARG
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
}
ssize_t
__libc_preadv64 (int fd, const struct iovec *vector, int count, off64_t offset)
{
if (SINGLE_THREAD_P)
return do_preadv64 (fd, vector, count, offset);
int oldtype = LIBC_CANCEL_ASYNC ();
ssize_t result = do_preadv64 (fd, vector, count, offset);
LIBC_CANCEL_RESET (oldtype);
return result;
}
strong_alias (__libc_preadv64, __preadv64)
weak_alias (__libc_preadv64, preadv64)
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