id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	difficulty
225	Add a predicate for port open/closed status (slot 8)	sjamaan	Felix	"Currently there's no way to check if a port is open or closed besides from performing an operation on it and checking whether it caused an exception or call ##sys#slot on it directly.

It would be a good idea to add a port-closed? predicate. Here's a patch."	enhancement	closed	not urgent at all		core libraries	4.6.0	fixed	ports, closed, status