blob: ca01a1ee10954532a5927d473de6506e049cd1ef (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* Return error status of asynchronous I/O request.
Copyright (C) 1997-2018 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/>. */
/* We use an UGLY hack to prevent gcc from finding us cheating. The
implementation of aio_error and aio_error64 are identical and so
we want to avoid code duplication by using aliases. But gcc sees
the different parameter lists and prints a warning. We define here
a function so that aio_error64 has no prototype. */
#define aio_error64 XXX
#include <aio.h>
/* And undo the hack. */
#undef aio_error64
#include <aio_misc.h>
int
aio_error (const struct aiocb *aiocbp)
{
int ret;
/* Acquire the mutex to make sure all operations for this request are
complete. */
pthread_mutex_lock(&__aio_requests_mutex);
ret = aiocbp->__error_code;
pthread_mutex_unlock(&__aio_requests_mutex);
return ret;
}
weak_alias (aio_error, aio_error64)
|
