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-.\" Copyright (c) 1999 Softweyr LLC.
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY Softweyr LLC AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL Softweyr LLC OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.Dd January 2, 2021
-.Dt AIO_ERROR 2
-.Os
-.Sh NAME
-.Nm aio_error
-.Nd retrieve error status of asynchronous I/O operation (REALTIME)
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In aio.h
-.Ft int
-.Fn aio_error "const struct aiocb *iocb"
-.Sh 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 .
-.Sh 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
-.Xr read 2 ,
-.Xr readv 2 ,
-.Xr write 2 ,
-.Xr writev 2 ,
-or
-.Xr fsync 2 .
-On failure,
-.Fn aio_error
-returns
-.Dv -1
-and sets
-.Dv errno
-to indicate the error condition.
-.Sh ERRORS
-The
-.Fn aio_error
-system call will fail if:
-.Bl -tag -width Er
-.It Bq Er EINVAL
-The
-.Fa iocb
-argument
-does not reference an outstanding asynchronous I/O request.
-.El
-.Sh SEE ALSO
-.Xr aio_cancel 2 ,
-.Xr aio_read 2 ,
-.Xr aio_readv 2 ,
-.Xr aio_return 2 ,
-.Xr aio_suspend 2 ,
-.Xr aio_write 2 ,
-.Xr aio_writev 2 ,
-.Xr fsync 2 ,
-.Xr read 2 ,
-.Xr write 2 ,
-.Xr aio 4
-.Sh STANDARDS
-The
-.Fn aio_error
-system call
-is expected to conform to the
-.St -p1003.1
-standard.
-.Sh HISTORY
-The
-.Fn aio_error
-system call first appeared in
-.Fx 3.0 .
-.Sh AUTHORS
-This
-manual page was written by
-.An Wes Peters Aq Mt wes@softweyr.com .