Hi Raocheng,
> But I think that there is still possibility of shutting down an object
> while a command for this object is still in flight:
> Suppose the sender and the receiver belongs to two different threads and:
> 1) At T1, processed_seqnum is equal to send_seqnum, then the receiving
> thread
By http://www.zeromq.org/whitepapers:architecture:
However, for couple of commands (basically for those that are sent
across the object tree rather than along its latices) the guarantee doesn't
apply. For these commands the sender calls inc_seqnum function on the
destination object, which synch
