52 строки
1.4 KiB
C
52 строки
1.4 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <stdio.h>
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#include "mpi.h"
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#include "mpi/c/bindings.h"
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#include "communicator/communicator.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Comm_size = PMPI_Comm_size
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_comm_size";
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int MPI_Comm_size(MPI_Comm comm, int *size) {
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if ( MPI_PARAM_CHECK ) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if ( MPI_COMM_NULL == comm || ompi_comm_invalid (comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD,
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MPI_ERR_COMM, FUNC_NAME);
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}
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if ( NULL == size ) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
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}
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}
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*size = ompi_comm_size((ompi_communicator_t*)comm);
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return MPI_SUCCESS;
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}
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