1/* Asynchronous read.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <bits/wordsize.h>
21#if __WORDSIZE == 64
22# define aio_read64 XXX
23# include <aio.h>
24/* And undo the hack. */
25# undef aio_read64
26#else
27# include <aio.h>
28#endif
29
30#include <aio_misc.h>
31#include <shlib-compat.h>
32
33int
34__aio_read (struct aiocb *aiocbp)
35{
36 return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_READ) == NULL
37 ? -1 : 0);
38}
39
40#if PTHREAD_IN_LIBC
41versioned_symbol (libc, __aio_read, aio_read, GLIBC_2_34);
42# if __WORDSIZE == 64
43versioned_symbol (libc, __aio_read, aio_read64, GLIBC_2_34);
44# endif
45# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_34)
46compat_symbol (librt, __aio_read, aio_read, GLIBC_2_1);
47# if __WORDSIZE == 64
48compat_symbol (librt, __aio_read, aio_read64, GLIBC_2_1);
49# endif
50# endif
51#else /* !PTHREAD_IN_LIBC */
52strong_alias (__aio_read, aio_read)
53# if __WORDSIZE == 64
54weak_alias (__aio_read, aio_read64)
55#endif
56#endif /* !PTHREAD_IN_LIBC */
57