OL> Does this mean that a situation of A->B and B->C is valid only as
OL> long as A->B is done first, otherwise A->B will fail because B
OL> will already be connected to C ?

Correct.

OL> Then, the other problem is to restore correctly you need to mimic
OL> the behavior of sendto() because of the way the skb references the
OL> original socket for the write-buf accounting :(

OL> In turn, this means that during checkpoint you need to record the
OL> _origin_ of each buffer in the queue of afunix dgram sockets :((

Or return EBUSY when there are skb's that are outstanding from before
the re-connect, right?

-- 
Dan Smith
IBM Linux Technology Center
email: danms@us.ibm.com