1 #include <pthread.h> main()2int main() { 3 cpu_set_t set; 4 CPU_ZERO(&set); 5 for (int i = 0; i < CPU_SETSIZE; ++i) { 6 CPU_SET(i, &set); 7 CPU_CLR(i, &set); 8 } 9 pthread_t self = pthread_self(); 10 int ret; 11 ret = pthread_getaffinity_np(self, sizeof(set), &set); 12 if (ret != 0) return ret; 13 ret = pthread_setaffinity_np(self, sizeof(set), &set); 14 if (ret != 0) return ret; 15 return 0; 16 } 17