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RocksDB for Erlang

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rocksdb deps snappy third_party benchmark cmake pthread_affinity.cpp
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deps/snappy/third_party/benchmark/cmake/pthread_affinity.cpp 

#include <pthread.h>

int main() {

  cpu_set_t set;

  CPU_ZERO(&set);

  for (int i = 0; i < CPU_SETSIZE; ++i) {

    CPU_SET(i, &set);

    CPU_CLR(i, &set);

  }

  pthread_t self = pthread_self();

  int ret;

  ret = pthread_getaffinity_np(self, sizeof(set), &set);

  if (ret != 0) return ret;

  ret = pthread_setaffinity_np(self, sizeof(set), &set);

  if (ret != 0) return ret;

  return 0;

}