进程绑定CPU简单应用

相关函数：

sched_setaffinity, sched_getaffinity, CPU_CLR, CPU_ISSET, CPU_SET, CPU_ZERO - set and get a process's CPU affinity mask

       #define _GNU_SOURCE        #include        int sched_setaffinity(pid_t pid, unsigned int cpusetsize,                              cpu_set_t *mask);        int sched_getaffinity(pid_t pid, unsigned int cpusetsize,                              cpu_set_t *mask);        void CPU_CLR(int cpu, cpu_set_t *set);        int CPU_ISSET(int cpu, cpu_set_t *set);        void CPU_SET(int cpu, cpu_set_t *set);        void CPU_ZERO(cpu_set_t *set);

CPU_ZERO(&mask);

CPU_SET(cpu_id, &mask);

sched_setaffinity(pid, sizeof(mask), &mask);