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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | ATTRIBUTES | STANDARDS | HISTORY | EXAMPLES | SEE ALSO | COLOPHON |
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aio_error(3) Library Functions Manual aio_error(3)
aio_error - get error status of asynchronous I/O operation
Real-time library (librt, -lrt)
#include <aio.h>
int aio_error(const struct aiocb *aiocbp);
The aio_error() function returns the error status for the
asynchronous I/O request with control block pointed to by aiocbp.
(See aio(7) for a description of the aiocb structure.)
This function returns one of the following:
EINPROGRESS
if the request has not been completed yet.
ECANCELED
if the request was canceled.
0 if the request completed successfully.
> 0 A positive error number, if the asynchronous I/O operation
failed. This is the same value that would have been stored
in the errno variable in the case of a synchronous read(2),
write(2), fsync(2), or fdatasync(2) call.
EINVAL aiocbp does not point at a control block for an
asynchronous I/O request of which the return status (see
aio_return(3)) has not been retrieved yet.
ENOSYS aio_error() is not implemented.
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├──────────────────────────────────────┼───────────────┼─────────┤
│ aio_error() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
POSIX.1-2008.
glibc 2.1. POSIX.1-2001.
See aio(7).
aio_cancel(3), aio_fsync(3), aio_read(3), aio_return(3),
aio_suspend(3), aio_write(3), lio_listio(3), aio(7)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
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2025-08-11. If you discover any rendering problems in this HTML
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Linux man-pages 6.15 2025-05-17 aio_error(3)
Pages that refer to this page: aio_cancel(3), aiocb(3type), aio_fsync(3), aio_read(3), aio_return(3), aio_suspend(3), aio_write(3), lio_listio(3), aio(7), signal-safety(7)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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