aio_error (2)

Leading comments

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 othe...

(The comments found at the beginning of the groff file "man2/aio_error.2freebsd".)

NAME

aio_error - 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.

SEE ALSO

aio_cancel2, aio_read2, aio_return2, aio_suspend2, aio_write2, fsync(2), read(2), write(2), aio(4)

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 .

AUTHORS

This manual page was written by An Wes Peters Aq wes@softweyr.com .