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aio_error(2)
NAME
aio_error -- retrieve error status of asynchronous I/O operation (REAL-
TIME)
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <aio.h>
int
aio_error(const struct aiocb *iocb);
DESCRIPTION
The aio_error() system call returns the error status of the asynchronous
I/O request associated with the structure pointed to by iocb.
RETURN VALUES
If the asynchronous I/O request has completed successfully, aio_error()
returns 0. If the request has not yet completed, EINPROGRESS is
returned. If the request has completed unsuccessfully the error status
is returned as described in read(2), write(2), or fsync(2) is returned.
On failure, aio_error() returns -1 and sets errno to indicate the error
condition.
ERRORS
The aio_error() system call will fail if:
[EINVAL] The iocb argument does not reference an outstanding
asynchronous I/O request.
SEE ALSO
aio_cancel(2), aio_read(2), aio_return(2), aio_suspend(2), aio_write(2),
fsync(2), read(2), write(2), aio(4)
STANDARDS
The aio_error() system call is expected to conform to the IEEE Std 1003.1
(``POSIX.1'') standard.
HISTORY
The aio_error() system call first appeared in FreeBSD 3.0.
AUTHORS
This manual page was written by Wes Peters <wes@softweyr.com>.
FreeBSD 5.4 June 2, 1999 FreeBSD 5.4
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