-
- *ierr = MPI_Comm_create_keyval(reinterpret_cast<MPI_Comm_copy_attr_function*>(copy_fn), reinterpret_cast<MPI_Comm_delete_attr_function*>(delete_fn),
- keyval, extra_state) ;
+ smpi_copy_fn _copy_fn={nullptr,nullptr,nullptr,(*(int*)copy_fn) == 0 ? nullptr : reinterpret_cast<MPI_Comm_copy_attr_function_fort*>(copy_fn),nullptr,nullptr};
+ smpi_delete_fn _delete_fn={nullptr,nullptr,nullptr,(*(int*)delete_fn) == 0 ? nullptr : reinterpret_cast<MPI_Comm_delete_attr_function_fort*>(delete_fn),nullptr,nullptr};
+ *ierr = simgrid::smpi::Keyval::keyval_create<simgrid::smpi::Comm>(_copy_fn, _delete_fn, keyval, extra_state);