ISC_R_CANCELED
if (sevent->result == ISC_R_CANCELED) {
if (sevent->result == ISC_R_CANCELED) {
if (sevent->result != ISC_R_CANCELED)
if (sevent->result == ISC_R_CANCELED) {
dev->result = ISC_R_CANCELED;
dev->result = ISC_R_CANCELED;
dev->result = ISC_R_CANCELED;