- void unmarshal_state(string state);
- int acquire(int &, lock_protocol::lockid_t, string id, lock_protocol::xid_t);
- int release(int &, lock_protocol::lockid_t, string id, lock_protocol::xid_t);
+ void unmarshal_state(const string & state);
+ int acquire(int &, lock_protocol::lockid_t, const callback_t & id, lock_protocol::xid_t);
+ int release(int &, lock_protocol::lockid_t, const callback_t & id, lock_protocol::xid_t);