go to
> aio_cancel(2)
> aio_error(2)
> aio_suspend(2)
> aio_waitcomplete(2)
> aio_write(2)
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aio_return

man page of aio_return

aio_return: retrieve return status of asynchronous I/O operation (REALTIME)

NAME

aio_return - retrieve return status of asynchronous I/O operation (REALTIME)

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <aio.h> int aio_return(struct aiocb *iocb);
DESCRIPTION
The aio_return() system call returns the final status of the asynchronous I/O request associated with the structure pointed to by iocb. The aio_return() system call should only be called once, to obtain the final status of an asynchronous I/O operation once it has completed (aio_error(2) returns something other than EINPROGRESS).
RETURN VALUES
If the asynchronous I/O request has completed, the status is returned as described in read(2), write(2), or fsync(2). Otherwise, aio_return() returns -1 and sets errno to indicate the error condition.

ERRORS

The aio_return() system call will fail if: [EINVAL] The iocb argument does not reference a completed asynchronous I/O request.

SEE ALSO

aio_cancel(2), aio_error(2), aio_suspend(2), aio_waitcomplete(2), aio_write(2), fsync(2), read(2), write(2), aio(4)

STANDARDS

The aio_return() system call is expected to conform to the IEEE Std 1003.1 (''POSIX.1'') standard.

HISTORY

The aio_return() system call first appeared in FreeBSD 3.0.
AUTHORS
This manual page was written by Wes Peters <wes@softweyr.com>. AIO_RETURN(2)
 
 
 

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