NAME
aio_error
—
retrieve error status of asynchronous
I/O operation (REALTIME)
LIBRARY
library “librt”
SYNOPSIS
#include
<aio.h>
int
aio_error
(const
struct aiocb *iocb);
DESCRIPTION
Theaio_error
()
function 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
() function will fail if:
- [
EINVAL
] - iocb does not reference an outstanding asynchronous I/O request.
SEE ALSO
fsync(2), read(2), write(2), aio_cancel(3), aio_read(3), aio_return(3), aio_suspend(3), aio_write(3)
STANDARDS
aio_error
() is expected to conform to the
IEEE Std 1003.2 (“POSIX.2”)
standard.
HISTORY
The aio_error
function first appeared in
FreeBSD 3.0.
AUTHORS
This manual page was written by Wes Peters <wes@softweyr.com>.