-disconnected::disconnected(const char *file, int line, const char *func, const char *instance, const in_port_t port, const char *format, ...) :
+disconnected::disconnected(const char *file_arg, int line_arg, const char *func_arg,
+ const char *instance, const in_port_t port,
+ const char *format, ...) :
+ std::runtime_error(func_arg),