blob: 3b4608e5cfc785b9a10eaf3c37058243d431b8fb [file] [log] [blame]
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <endian.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
ssize_t
__libc_pread64 (fd, buf, count, offset)
int fd;
void *buf;
size_t count;
off64_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pread64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pread64, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_pread64, __pread64)
weak_alias (__libc_pread64, pread64)