2005-08-02  Dave Brolley  <brolley@redhat.com>

	* sidbusutil.h (bus_arbitrator): Remove passthrough_pin.
	(check_passthrough): Now takes 'upstream' argument. Correct all calls.
	Don't check passthrough_pin here.
	(access_latency): New virtual method of bus_arbitrator.
	* sidblockingutil.h (blocking_component): Initialize still_blockable
	and control_status. Add blockable? using add_attribute_notify.
	(wait_for_child_thread): Assert that control_status != ctl_child_start.
	Return control_status.
	(child_completed): Set blockable to still_blockable.
	(set_blockable): New method of blocking_component.
	(still_blockable): New member of blocking_component.