pd->userdata = NULL;
TRY(gras_dynar_new( &(pd->msg_queue), sizeof(gras_msg_t), NULL ));
TRY(gras_dynar_new( &(pd->cbl_list), sizeof(gras_cblist_t *), NULL ));
pd->userdata = NULL;
TRY(gras_dynar_new( &(pd->msg_queue), sizeof(gras_msg_t), NULL ));
TRY(gras_dynar_new( &(pd->cbl_list), sizeof(gras_cblist_t *), NULL ));