aio_error(2)
retrieve error status of asynchronous I/O operation (REALTIME)
LIBRARY
Lb libc
SYNOPSIS
In aio.h
Ft int
Fn aio_error const struct aiocb *iocb
DESCRIPTION
The
Fn 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,
Fn 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,
Fn aio_error
returns
-1
and sets
errno
to indicate the error condition.
ERRORS
The
Fn aio_error
system call will fail if:
- Bq Er EINVAL
-
The
Fa iocb
argument
does not reference an outstanding asynchronous I/O request.
STANDARDS
The
Fn aio_error
system call
is expected to conform to the
St -p1003.1
standard.
HISTORY
The
Fn aio_error
system call first appeared in
Fx 3.0 .
