rt/aio_read64.c

   1 /* Asynchronous read, 64bit offset version.
   2    Copyright (C) 1997-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <bits/wordsize.h>
  20 #if __WORDSIZE != 64
  21
  22 # include <aio.h>
  23 # include <aio_misc.h>
  24 # include <shlib-compat.h>
  25
  26 int
  27 __aio_read64 (struct aiocb64 *aiocbp)
  28 {
  29   return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_READ64) == NULL
  30           ? -1 : 0);
  31 }
  32
  33 # if PTHREAD_IN_LIBC
  34 versioned_symbol (libc, __aio_read64, aio_read64, GLIBC_2_34);
  35 #  if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_34)
  36 compat_symbol (librt, __aio_read64, aio_read64, GLIBC_2_1);
  37 #  endif
  38 # else /* !PTHREAD_IN_LIBC */
  39 strong_alias (__aio_read64, aio_read64)
  40 # endif
  41 #endif /* __WORDSIZE != 64 */