Name
aio_error - get error status of asynchronous I/O operationLibrary
Real-time library ( librt ", " -lrt )Synopsis
"#include <aio.h>" int aio_error(const struct aiocb * aiocbp );
Description
The aio_error() function returns the error status for the asynchronous I/O request with control block pointed to byaiocbp. (See aio(7) for a description of the aiocb structure.) Return Value
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.
Errors
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.
Attributes
For an explanation of the terms used in this section, see attributes(7).| Interface | Attribute | Value |
| T} | Thread safety | MT-Safe |
Standards
POSIX.1-2008.History
glibc 2.1. POSIX.1-2001.Examples
See aio(7).See Also
- aio_cancel(3),
- aio_fsync(3),
- aio_read(3),
- aio_return(3),
- aio_suspend(3),
- aio_write(3),
- lio_listio(3),
- aio(7)