add: DBG("print module : initializing...\n");
context: int mod_init(){	//DBG("print module : initializing...\n");	if (pthread_create( &print_th, /*&attr*/ 0, &print_worker, 0)!=0){		LOG(L_ERR,"ERROR:mod_init: cannot create worker thread\n");		return -1;	}	return 0;}