Method Finalize

Parallel/MPI/vtkMPIController.cxx:164–185

Good-bye world There should be no MPI calls after this. (Except maybe MPI_XXX_free()) unless finalized externally.

// There should be no MPI calls after this.
// (Except maybe MPI_XXX_free()) unless finalized externally.
void vtkMPIController::Finalize(int finalizedExternally)
{
  if (vtkMPIController::Initialized)
  {
    vtkMPIController::WorldRMICommunicator->Delete();
    vtkMPIController::WorldRMICommunicator = nullptr;
    vtkMPICommunicator::WorldCommunicator->Delete();
    vtkMPICommunicator::WorldCommunicator = nullptr;
    this->SetCommunicator(nullptr);
    if (this->RMICommunicator)
    {
      this->RMICommunicator->Delete();
      this->RMICommunicator = nullptr;
    }
    if (finalizedExternally == 0)
    {
      MPI_Finalize();
    }
    vtkMPIController::Initialized = 0;
    this->Modified();
  }
}

// Called by SetCommunicator and constructor. It frees but does
// not set RMIHandle (which should not be set by using MPI_Comm_dup