]>
Commit | Line | Data |
---|---|---|
fea681da MK |
1 | .\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl) |
2 | .\" | |
3 | .\" This is free documentation; you can redistribute it and/or | |
4 | .\" modify it under the terms of the GNU General Public License as | |
5 | .\" published by the Free Software Foundation; either version 2 of | |
6 | .\" the License, or (at your option) any later version. | |
7 | .\" | |
8 | .\" The GNU General Public License's references to "object code" | |
9 | .\" and "executables" are to be interpreted as the output of any | |
10 | .\" document formatting or typesetting system, including | |
11 | .\" intermediate and printed output. | |
12 | .\" | |
13 | .\" This manual is distributed in the hope that it will be useful, | |
14 | .\" but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | .\" GNU General Public License for more details. | |
17 | .\" | |
18 | .\" You should have received a copy of the GNU General Public | |
19 | .\" License along with this manual; if not, write to the Free | |
20 | .\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, | |
21 | .\" USA. | |
22 | .\" | |
23 | .TH AIO_ERROR 3 2003-11-14 "" "Linux Programmer's Manual" | |
24 | .SH NAME | |
25 | aio_error \- get error status of asynchronous I/O operation | |
26 | .SH SYNOPSIS | |
27 | .sp | |
28 | .B "#include <aio.h>" | |
29 | .sp | |
30 | .BI "int aio_error(const struct aiocb *" aiocbp ); | |
fea681da MK |
31 | .SH DESCRIPTION |
32 | The | |
e511ffb6 | 33 | .BR aio_error () |
fea681da MK |
34 | function returns the error status for the asynchronous I/O request |
35 | with control block pointed to by | |
36 | .IR aiocbp . | |
37 | .SH "RETURN VALUE" | |
38 | This function returns EINPROGRESS if the request has not been | |
c13182ef MK |
39 | completed yet. |
40 | It returns ECANCELED if the request was cancelled. | |
fea681da MK |
41 | It returns 0 if the request completed successfully. |
42 | Otherwise an error value is returned, the same value that would have | |
43 | been stored in the | |
44 | .I errno | |
45 | variable in case of a synchronous | |
46 | .IR read , | |
47 | .IR write , | |
48 | .IR fsync , | |
49 | or | |
50 | .I fdatasync | |
51 | request. | |
52 | On error, the error value is returned. | |
53 | .SH ERRORS | |
54 | .TP | |
55 | .B EINVAL | |
56 | .I aiocbp | |
57 | does not point at a control block for an asynchronous I/O request | |
58 | of which the return status (see | |
59 | .BR aio_return (3)) | |
60 | has not been retrieved yet. | |
61 | .SH "CONFORMING TO" | |
68e1685c | 62 | POSIX.1-2001 |
fea681da MK |
63 | .SH "SEE ALSO" |
64 | .BR aio_cancel (3), | |
65 | .BR aio_fsync (3), | |
66 | .BR aio_read (3), | |
67 | .BR aio_return (3), | |
68 | .BR aio_suspend (3), | |
69 | .BR aio_write (3) |