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authorThadeu Lima de Souza Cascardo <cascardo@holoscopio.com>2009-04-17 20:35:58 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-04-17 20:40:52 -0700
commit4a74491ef514c01f45d820b10501a5cfcccd3c73 (patch)
tree32349ae0ae1503aedfcb156c83262ff36eca0a94 /include/linux/errqueue.h
parentInput: serio - rearrange EXPORT_SYMBOL() markings (diff)
Input: fix typo in documentation
Event type for key presses is EV_KEY, not REL_KEY. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/errqueue.h')
0 files changed, 0 insertions, 0 deletions
Copyright © 1996 – 2026 Jason A. Donenfeld. All Rights Reverse Engineered.
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/* Copyright (C) 1997-2013 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, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <endian.h>
#include <unistd.h>

#include <sysdep-cancel.h>
#include <sys/syscall.h>

#include <kernel-features.h>

#ifdef __NR_pread64		/* Newer kernels renamed but it's the same.  */
# ifdef __NR_pread
#  error "__NR_pread and __NR_pread64 both defined???"
# endif
# define __NR_pread __NR_pread64
#endif


static ssize_t
do_pread64 (int fd, void *buf, size_t count, off64_t offset)
{
  ssize_t result;

  result = INLINE_SYSCALL (pread, 5, fd, buf, count,
			   __LONG_LONG_PAIR ((off_t) (offset >> 32),
					     (off_t) (offset & 0xffffffff)));

  return result;
}


ssize_t
__libc_pread64 (fd, buf, count, offset)
     int fd;
     void *buf;
     size_t count;
     off64_t offset;
{
  if (SINGLE_THREAD_P)
    return do_pread64 (fd, buf, count, offset);

  int oldtype = LIBC_CANCEL_ASYNC ();

  ssize_t result = do_pread64 (fd, buf, count, offset);

  LIBC_CANCEL_RESET (oldtype);

  return result;
}

weak_alias (__libc_pread64, __pread64)
weak_alias (__libc_pread64, pread64)