rem: if (next_code) shm_free(next_code); lock_destroy(&l);
context: static void mod_destroy(void){	DBG("PDT: mod_destroy : Cleaning up\n");	if (hash)		free_double_hash(hash);	if (db_con && pdt_dbf.close)		pdt_dbf.close(db_con);	if (next_code)		shm_free(next_code);	lock_destroy(&l);}