[PATCH] cryo: test program for udp sockets

[Serge E. Hallyn]

Quoting Benjamin Thery (benjamin.thery at bull.net):
> Here is the small test program I use to test checkpoint/restart of UDP
> sockets with cryo. 
> This program can be called either as a server listening on a given port 
> on a given adresse, or a client sending message to a given address on a
> given port. The client sends integer and the server sums them.
> 
> Run two instances of sockudp, one server and one client. 
> Checkpoint the server.
> Stop both instances.
> Restart server. He will wait for more messages.
> Run a new client. The server will continue to sum the data it receives!
> 
> Signed-off-by: Benjamin Thery <benjamin.thery at bull.net>

Hey that works beautifully.  Checkpointed both the client and server
played with killing and restarting them both.

Applied to git tree.

thanks,
-serge