Section (3) aio_error
aio_error — get error status of asynchronous I/O operation
||const struct aiocb *aiocbp
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.
A positive error number, if the asynchronous I/O operation failed. This is the same value that would have been stored in the
errnovariable in the case of a synchronous read(2), write(2), fsync(2), or fdatasync(2) call.
aiocbpdoes 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.
aio_error() is not implemented.
For an explanation of the terms used in this section, see attributes(7).
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