=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
