ity_np(3) - phpMan

pthread_attr_getaffinity_np (3) - set/get CPU affinity attribute in thread at...
pthread_attr_setaffinity_np (3) - set/get CPU affinity attribute in thread at...
pthread_getaffinity_np (3) - set/get CPU affinity of a thread
pthread_setaffinity_np (3) - set/get CPU affinity of a thread