SOCK_EMPTY
((unsigned short *)*table)[i] = SOCK_EMPTY;
if (_socket_to_pnode[i] == SOCK_EMPTY)
if (_pnode_to_socket[i] == SOCK_EMPTY)
if (_socket_to_node[sockid - minsock] == SOCK_EMPTY)
if (_node_to_socket[nid] == SOCK_EMPTY)
if (nid == SOCK_EMPTY)