pthread_setaffinity_np
int pthread_setaffinity_np(pthread_t, size_t, const cpuset_t *);
__weak_reference(_pthread_setaffinity_np, pthread_setaffinity_np);
if (pthread_setaffinity_np(pthread_self(), sizeof(cpuset_t), &cpumask) != 0) {
if (pthread_setaffinity_np(me, sizeof(cpuset_t), &cpumask) != 0) {
error = pthread_setaffinity_np(pthread_self(),