1a8c51b3fSopenharmony_ci#include <pthread.h> 2a8c51b3fSopenharmony_ciint main() { 3a8c51b3fSopenharmony_ci cpu_set_t set; 4a8c51b3fSopenharmony_ci CPU_ZERO(&set); 5a8c51b3fSopenharmony_ci for (int i = 0; i < CPU_SETSIZE; ++i) { 6a8c51b3fSopenharmony_ci CPU_SET(i, &set); 7a8c51b3fSopenharmony_ci CPU_CLR(i, &set); 8a8c51b3fSopenharmony_ci } 9a8c51b3fSopenharmony_ci pthread_t self = pthread_self(); 10a8c51b3fSopenharmony_ci int ret; 11a8c51b3fSopenharmony_ci ret = pthread_getaffinity_np(self, sizeof(set), &set); 12a8c51b3fSopenharmony_ci if (ret != 0) return ret; 13a8c51b3fSopenharmony_ci ret = pthread_setaffinity_np(self, sizeof(set), &set); 14a8c51b3fSopenharmony_ci if (ret != 0) return ret; 15a8c51b3fSopenharmony_ci return 0; 16a8c51b3fSopenharmony_ci} 17