xref: /aosp_15_r20/external/google-benchmark/cmake/pthread_affinity.cpp (revision dbb99499c3810fa1611fa2242a2fc446be01a57c) 
1 #include <pthread.h>
main()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(self, sizeof(set), &set);
12   if (ret != 0) return ret;
13   ret = pthread_setaffinity_np(self, sizeof(set), &set);
14   if (ret != 0) return ret;
15   return 0;
16 }
17