62 строки
1.7 KiB
C
62 строки
1.7 KiB
C
/*
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2008 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 (c) 2006 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "ompi/mpi/c/bindings.h"
|
|
#include "ompi/memchecker.h"
|
|
|
|
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Comm_size = PMPI_Comm_size
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_comm_size";
|
|
|
|
|
|
int MPI_Comm_size(MPI_Comm comm, int *size)
|
|
{
|
|
MEMCHECKER(
|
|
memchecker_comm(comm);
|
|
);
|
|
|
|
OPAL_CR_NOOP_PROGRESS();
|
|
|
|
if ( MPI_PARAM_CHECK ) {
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
|
|
if ( ompi_comm_invalid (comm)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD,
|
|
MPI_ERR_COMM, FUNC_NAME);
|
|
}
|
|
|
|
if ( NULL == size ) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
|
|
}
|
|
}
|
|
|
|
*size = ompi_comm_size((ompi_communicator_t*)comm);
|
|
return MPI_SUCCESS;
|
|
}
|