aio_error.2freebsd

Langue: en

Version: 266000 (debian - 07/07/09)

Section: 2 (Appels système)


BSD mandoc

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 .