projects / thirdparty / man-pages.git / blame
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| a1eaacb1 | 1 | '\" t |
| fea681da MK |
2 | .\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl) |
| 3 | .\" | |
| e4a74ca8 | 4 | .\" SPDX-License-Identifier: GPL-2.0-or-later |
| fea681da | 5 | .\" |
| 4c1c5274 | 6 | .TH aio_error 3 (date) "Linux man-pages (unreleased)" |
| fea681da MK |
7 | .SH NAME |
| 8 | aio_error \- get error status of asynchronous I/O operation | |
| a42212d0 AC |
9 | .SH LIBRARY |
| 10 | Real-time library | |
| 8fc3b2cf | 11 | .RI ( librt ", " \-lrt ) |
| fea681da | 12 | .SH SYNOPSIS |
| c7db92b9 | 13 | .nf |
| fea681da | 14 | .B "#include <aio.h>" |
| c6d039a3 | 15 | .P |
| fea681da | 16 | .BI "int aio_error(const struct aiocb *" aiocbp ); |
| c7db92b9 | 17 | .fi |
| fea681da MK |
18 | .SH DESCRIPTION |
| 19 | The | |
| e511ffb6 | 20 | .BR aio_error () |
| fea681da MK |
21 | function returns the error status for the asynchronous I/O request |
| 22 | with control block pointed to by | |
| 23 | .IR aiocbp . | |
| 2b014d76 MK |
24 | (See |
| 25 | .BR aio (7) | |
| 26 | for a description of the | |
| 27 | .I aiocb | |
| 28 | structure.) | |
| 47297adb | 29 | .SH RETURN VALUE |
| ba9e24aa | 30 | This function returns one of the following: |
| 4279e42d AC |
31 | .TP |
| 32 | .B EINPROGRESS | |
| 1274071a | 33 | if the request has not been |
| c13182ef | 34 | completed yet. |
| 4279e42d AC |
35 | .TP |
| 36 | .B ECANCELED | |
| 1274071a | 37 | if the request was canceled. |
| 4279e42d AC |
38 | .TP |
| 39 | .B 0 | |
| 40 | if the request completed successfully. | |
| 41 | .TP | |
| 42 | .RB "> " 0 | |
| e19783f5 | 43 | A positive error number, if the asynchronous I/O operation failed. |
| ba9e24aa | 44 | This is the same value that would have been stored in the |
| fea681da | 45 | .I errno |
| ba9e24aa MK |
46 | variable in the case of a synchronous |
| 47 | .BR read (2), | |
| 48 | .BR write (2), | |
| 49 | .BR fsync (2), | |
| fea681da | 50 | or |
| ba9e24aa MK |
51 | .BR fdatasync (2) |
| 52 | call. | |
| fea681da MK |
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. | |
| aea038d6 MK |
61 | .TP |
| 62 | .B ENOSYS | |
| 63 | .BR aio_error () | |
| 64 | is not implemented. | |
| 34a8bc85 | 65 | .SH ATTRIBUTES |
| 37e166e8 MK |
66 | For an explanation of the terms used in this section, see |
| 67 | .BR attributes (7). | |
| 68 | .TS | |
| 69 | allbox; | |
| c466875e | 70 | lbx lb lb |
| 37e166e8 MK |
71 | l l l. |
| 72 | Interface Attribute Value | |
| 73 | T{ | |
| 9e54434e BR |
74 | .na |
| 75 | .nh | |
| 34a8bc85 | 76 | .BR aio_error () |
| 37e166e8 MK |
77 | T} Thread safety MT-Safe |
| 78 | .TE | |
| 3113c7f3 | 79 | .SH STANDARDS |
| 4131356c AC |
80 | POSIX.1-2008. |
| 81 | .SH HISTORY | |
| 82 | glibc 2.1. | |
| 83 | POSIX.1-2001. | |
| a14af333 | 84 | .SH EXAMPLES |
| b44bee16 MK |
85 | See |
| 86 | .BR aio (7). | |
| 47297adb | 87 | .SH SEE ALSO |
| fea681da MK |
88 | .BR aio_cancel (3), |
| 89 | .BR aio_fsync (3), | |
| 90 | .BR aio_read (3), | |
| 91 | .BR aio_return (3), | |
| 92 | .BR aio_suspend (3), | |
| 25fa6c3d | 93 | .BR aio_write (3), |
| cd587df6 | 94 | .BR lio_listio (3), |
| 25fa6c3d | 95 | .BR aio (7) |