linux接口原型

   #include <sched.h>
   
   获取设置亲和
   int sched_setaffinity(pid_t pid, size_t cpusetsize,cpu_set_t *mask);
   int sched_getaffinity(pid_t pid, size_t cpusetsize,cpu_set_t *mask);
   
   set集设置
   void CPU_ZERO(cpu_set_t *set);
   void CPU_SET(int cpu, cpu_set_t *set);
   void CPU_CLR(int cpu, cpu_set_t *set);
   int  CPU_ISSET(int cpu, cpu_set_t *set);

   void CPU_COUNT(cpu_set_t *set);
   void CPU_AND(cpu_set_t *destset,cpu_set_t *srcset1, cpu_set_t *srcset2);
   void CPU_OR(cpu_set_t *destset,cpu_set_t *srcset1, cpu_set_t *srcset2);
   void CPU_XOR(cpu_set_t *destset,cpu_set_t *srcset1, cpu_set_t *srcset2);
   int  CPU_EQUAL(cpu_set_t *set1, cpu_set_t *set2);
   cpu_set_t *CPU_ALLOC(int num_cpus);
   void CPU_FREE(cpu_set_t *set);
   size_t CPU_ALLOC_SIZE(int num_cpus);
   void CPU_ZERO_S(size_t setsize, cpu_set_t *set);
   void CPU_SET_S(int cpu, size_t setsize, cpu_set_t *set);
   void CPU_CLR_S(int cpu, size_t setsize, cpu_set_t *set);
   int  CPU_ISSET_S(int cpu, size_t setsize, cpu_set_t *set);
   void CPU_COUNT_S(size_t setsize, cpu_set_t *set);
   void CPU_AND_S(size_t setsize, cpu_set_t *destset,cpu_set_t *srcset1, cpu_set_t *srcset2);
   void CPU_OR_S(size_t setsize, cpu_set_t *destset,cpu_set_t *srcset1, cpu_set_t *srcset2);
   void CPU_XOR_S(size_t setsize, cpu_set_t *destset,cpu_set_t *srcset1, cpu_set_t *srcset2);

   int  CPU_EQUAL_S(size_t setsize, cpu_set_t *set1, cpu_set_t *set2);

【参考资料】http://blog.csdn.net/seekerzhou/article/details/8135000