comm_fn 66 ompi/mpi/cxx/cxx_glue.h const char *message, void *comm_fn); comm_fn 93 ompi/mpi/cxx/intercepts.cc const char *message, void *comm_fn) comm_fn 100 ompi/mpi/cxx/intercepts.cc (MPI::Comm::Errhandler_function*) comm_fn;