void releaser();
rlock_protocol::status revoke_handler(int &, lock_protocol::lockid_t, lock_protocol::xid_t);
rlock_protocol::status retry_handler(int &, lock_protocol::lockid_t, lock_protocol::xid_t);
void releaser();
rlock_protocol::status revoke_handler(int &, lock_protocol::lockid_t, lock_protocol::xid_t);
rlock_protocol::status retry_handler(int &, lock_protocol::lockid_t, lock_protocol::xid_t);