typedef struct cpu_set_t { unsigned long __bits[128/sizeof(long)]; } cpu_set_t;
int __sched_cpucount(size_t, const cpu_set_t *);
+int sched_getcpu(void);
int sched_getaffinity(pid_t, size_t, cpu_set_t *);
int sched_setaffinity(pid_t, size_t, const cpu_set_t *);