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openmpi/ompi/mca/topo/basic/topo_basic_component.c
George Bosilca e665cda6c2 Add the empty basic component where the function pointer from the
base will be copied over. Without such a decoy component the
entire framework will not function correctly.

This commit was SVN r28692.
2013-07-01 17:47:44 +00:00

83 строки
2.0 KiB
C

/*
* Copyright (c) 2011-2013 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2011-2013 INRIA. All rights reserved.
* Copyright (c) 2011-2013 Université Bordeaux 1
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/topo/basic/topo_basic.h"
/*
* Public string showing the topo basic module version number
*/
const char *mca_topo_basic_component_version_string =
"Open MPI basic topology MCA component version" OMPI_VERSION;
/*
* Local funtions
*/
static int init_query(bool enable_progress_threads, bool enable_mpi_threads);
static struct mca_topo_base_module_t *
comm_query(const ompi_communicator_t *comm, int *priority, uint32_t type);
/*
* Public component structure
*/
mca_topo_basic_component_t mca_topo_basic_component =
{
{
MCA_TOPO_BASE_VERSION_2_1_0,
"basic",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
/* NULLs for the rest of the function pointers */
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
init_query,
comm_query
};
static int init_query(bool enable_progress_threads, bool enable_mpi_threads)
{
/* Nothing to do */
return OMPI_SUCCESS;
}
static struct mca_topo_base_module_t *
comm_query(const ompi_communicator_t *comm, int *priority, uint32_t type)
{
/* Don't use OBJ_NEW, we need to zero the memory or the functions pointers
* will not be correctly copied over from the base.
*/
mca_topo_base_module_t *basic = calloc(1, sizeof(mca_topo_base_module_t));
if (NULL == basic) {
return NULL;
}
OBJ_CONSTRUCT(basic, mca_topo_base_module_t);
/* This component has very low priority -- it's a basic, after all! */
*priority = 0;
basic->type = type;
return basic;
}