Oh, If the pool isnt responding, like this;
[2013-04-15 20:16:39] HTTP request failed: Failed connect to eu-pool.give-me-ltc.com:8080;
No error
[2013-04-15 20:16:39] submit_upstream_work json_rpc_call failed
[2013-04-15 20:16:39] ...retry after 15 seconds
, ctrl-c isnt working.