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http://linux.frank4dd.com/en/man3/pthread_setaffinity_np.htm
http://www.daemon-systems.org/man/pthread_getaffinity_np.3.html
pthread_setaffinity_np and sched_setaffinity 样例程序
NAME
pthread_setaffinity_np, pthread_getaffinity_np - set/getCPU affinity of a thread
SYNOPSIS
#define _GNU_SOURCE
#include <pthread.h>
int pthread_setaffinity_np(pthread_t thread, size_tcpusetsize,
const cpu_set_t *cpuset);
int pthread_getaffinity_np(pthread_t thread, size_t
cpusetsize,
cpu_se......
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