int MPI_Register_datarep(char *datarep,
MPI_Datarep_conversion_function *read_conversion_fn,
MPI_Datarep_conversion_function *write_conversion_fn,
MPI_Datarep_extent_function *dtype_file_extent_fn,
void *extra_state)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == datarep) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
/* The io framework is only initialized lazily. If it hasn't
already been initialized, do so now (note that MPI_FILE_OPEN
and MPI_FILE_DELETE are the only two places that it will be
initialized). */
if (!(mca_io_base_components_opened_valid ||
mca_io_base_components_available_valid)) {
if (OMPI_SUCCESS != (rc = mca_io_base_open())) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
if (OMPI_SUCCESS !=
(rc = mca_io_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
OMPI_ENABLE_MPI_THREADS))) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
/* Call the back-end io component function */
rc = mca_io_base_register_datarep(datarep, read_conversion_fn,
write_conversion_fn,
dtype_file_extent_fn,
extra_state);
/* All done */
OMPI_ERRHANDLER_RETURN(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
int MPI_Register_datarep(const char *datarep,
MPI_Datarep_conversion_function *read_conversion_fn,
MPI_Datarep_conversion_function *write_conversion_fn,
MPI_Datarep_extent_function *dtype_file_extent_fn,
void *extra_state)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == datarep) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
/* The io framework is only initialized lazily. If it hasn't
already been initialized, do so now (note that MPI_FILE_OPEN
and MPI_FILE_DELETE are the only two places that it will be
initialized). */
if (OMPI_SUCCESS != (mca_base_framework_open(&ompi_io_base_framework, 0))) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* Call the back-end io component function */
/* XXX -- CONST -- do not cast away const -- update mca/io */
rc = mca_io_base_register_datarep((char *) datarep, read_conversion_fn,
write_conversion_fn,
dtype_file_extent_fn,
extra_state);
/* All done */
OMPI_ERRHANDLER_RETURN(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
