1
1
openmpi/ompi/mpi/c/graph_map.c
George Bosilca 71b1cdb5f5 Cleanup the dependencies between the MPI layer and the rest of the ompi files.
Modify the includes to start with the root directory (i.e orte/datatype/datatype.h).

This commit was SVN r7306.
2005-09-12 09:17:44 +00:00

77 строки
2.2 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* All rights reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "mpi/c/bindings.h"
#include "ompi/mca/topo/topo.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Graph_map = PMPI_Graph_map
#endif
#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Graph_map";
int MPI_Graph_map(MPI_Comm comm, int nnodes, int *index, int *edges,
int *newrank)
{
int err;
mca_topo_base_module_graph_map_fn_t func;
/* check the arguments */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (MPI_COMM_NULL == comm) {
return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
}
if (OMPI_COMM_IS_INTER(comm)) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
FUNC_NAME);
}
if (1 > nnodes || NULL == index || NULL == edges || NULL == newrank) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
FUNC_NAME);
}
}
if(!OMPI_COMM_IS_GRAPH(comm)) {
/* In case the communicator has no topo-module attached to
it, we just return the "default" value suggested by MPI:
newrank = rank */
*newrank = ompi_comm_rank(comm);
}
else {
/* map the function pointer to do the right thing */
func = comm->c_topo->topo_graph_map;
/* call the function */
if ( MPI_SUCCESS !=
(err = func(comm, nnodes, index, edges, newrank))) {
return OMPI_ERRHANDLER_INVOKE(comm, err, FUNC_NAME);
}
}
/* All done */
return MPI_SUCCESS;
}