PTHREAD_CANCEL_DEFERRED
if ((err = pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,
case PTHREAD_CANCEL_DEFERRED:
*oldtype = PTHREAD_CANCEL_DEFERRED;
(void) pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
(void) pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,
(void) pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
(void) pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);