1 | /* Asynchronous read. |
2 | Copyright (C) 1997-2023 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 | # define aio_read64 XXX |
22 | # include <aio.h> |
23 | /* And undo the hack. */ |
24 | # undef aio_read64 |
25 | #else |
26 | # include <aio.h> |
27 | #endif |
28 | |
29 | #include <aio_misc.h> |
30 | #include <shlib-compat.h> |
31 | |
32 | int |
33 | __aio_read (struct aiocb *aiocbp) |
34 | { |
35 | return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_READ) == NULL |
36 | ? -1 : 0); |
37 | } |
38 | |
39 | #if PTHREAD_IN_LIBC |
40 | versioned_symbol (libc, __aio_read, aio_read, GLIBC_2_34); |
41 | # if __WORDSIZE == 64 |
42 | versioned_symbol (libc, __aio_read, aio_read64, GLIBC_2_34); |
43 | # endif |
44 | # if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_34) |
45 | compat_symbol (librt, __aio_read, aio_read, GLIBC_2_1); |
46 | # if __WORDSIZE == 64 |
47 | compat_symbol (librt, __aio_read, aio_read64, GLIBC_2_1); |
48 | # endif |
49 | # endif |
50 | #else /* !PTHREAD_IN_LIBC */ |
51 | strong_alias (__aio_read, aio_read) |
52 | # if __WORDSIZE == 64 |
53 | weak_alias (__aio_read, aio_read64) |
54 | #endif |
55 | #endif /* !PTHREAD_IN_LIBC */ |
56 | |