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=head1 NAME
nbd_aio_is_processing - check if the connection is processing a command
=head1 SYNOPSIS
#include <libnbd.h>
int nbd_aio_is_processing (
struct nbd_handle *h
);
=head1 DESCRIPTION
Return true if this connection is connected to the NBD server,
the handshake has completed, and the connection is processing
commands (either writing out a request or reading a reply).
Note the ready state (L<nbd_aio_is_ready(3)>) is not included.
In the ready state commands may be I<in flight> (the I<server>
is processing them), but libnbd is not processing them.
=head1 RETURN VALUE
This call returns a boolean value.
=head1 ERRORS
This function does not fail.
The following parameters must not be NULL: C<h>.
For more information see L<libnbd(3)/Non-NULL parameters>.
=head1 VERSION
This function first appeared in libnbd 1.0.
If you need to test if this function is available at compile time
check if the following macro is defined:
#define LIBNBD_HAVE_NBD_AIO_IS_PROCESSING 1
=head1 SEE ALSO
L<nbd_aio_is_ready(3)>,
L<nbd_create(3)>,
L<libnbd(3)>.
=head1 AUTHORS
Eric Blake
Richard W.M. Jones
=head1 COPYRIGHT
Copyright Red Hat
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