AIO_ERROR(2) |
FreeBSD System Calls Manual |
AIO_ERROR(2) |
NAME
aio_error —
retrieve error status of asynchronous I/O operation (REALTIME)
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). 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.
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>.