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