1 #include <mpi.h>
   2 #include <stdio.h>
   3 int main(int argc, const char* argv[]) {
   4  int provided = -1;
   5  printf("Calling MPI_Init_thread...\n");
   6  MPI_Init_thread(NULL, NULL, MPI_THREAD_MULTIPLE, &provided);
   7  printf("MPI_Init_thread returned, provided = %d\n", provided);
   8  MPI_Finalize();
   9  return 0;
  10 }
  11