pthread_setcanceltype
int pthread_setcanceltype(int, int *);
PROTO_STD_DEPRECATED(pthread_setcanceltype);
CHECKr(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL));
CHECKr(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL));
CHECKr(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL));