aio_error
- retrieve error status of asynchronous I/O operation (REALTIME)
LIBRARY
Lb libc
SYNOPSIS
#include <aio.h> int
aio_error (const struct aiocb *iocb);
DESCRIPTION
The
aio_error ();
system call returns the error status of the asynchronous I/O request
associated with the structure pointed to by
Fa iocb .
RETURN VALUES
If the asynchronous I/O request has completed successfully,
aio_error ();
returns 0.
If the request has not yet completed,
Er EINPROGRESS
is returned.
If the request has completed unsuccessfully the error
status is returned as described in
read(2),
write(2),
or
fsync(2).
On failure,
aio_error ();
returns
-1
and sets
errno
to indicate the error condition.
ERRORS
The
aio_error ();
system call will fail if:
Bq Er EINVAL
The
Fa iocb
argument
does not reference an outstanding asynchronous I/O request.
