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AIO_RETURN(3) BSD Library Functions Manual AIO_RETURN(3)
aio_return -- retrieve return status of asynchronous I/O operation (REALTIME)
POSIX Real-time Library (librt, -lrt)
aio_return(struct aiocb *aiocbp);
The aio_return() system call returns the final status of the asynchronous I/O request asso-
ciated with the structure pointed to by aiocbp.
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(3) returns something other than
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 indi-
cate the error condition.
The aio_return() system call will fail if:
[EINVAL] The aiocbp argument does not reference a completed asynchronous I/O
fsync(2), read(2), write(2), aio(3)
The aio_return() system call is expected to conform to the IEEE Std 1003.1-2001
The aio_return() system call first appeared in NetBSD 5.0.
BSD August 13, 2011 BSD
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