71 строка
2.3 KiB
C
71 строка
2.3 KiB
C
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2008 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 (c) 2009 Cisco Systems, Inc. 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 "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/attribute/attribute.h"
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#include "ompi/memchecker.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Comm_get_attr = PMPI_Comm_get_attr
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Comm_get_attr";
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int MPI_Comm_get_attr(MPI_Comm comm, int comm_keyval,
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void *attribute_val, int *flag)
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{
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int ret;
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MEMCHECKER(
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memchecker_comm(comm);
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);
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if ((NULL == attribute_val) || (NULL == flag)) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
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} else if (ompi_comm_invalid(comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
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FUNC_NAME);
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} else if (MPI_KEYVAL_INVALID == comm_keyval) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_KEYVAL, FUNC_NAME);
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}
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}
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OPAL_CR_ENTER_LIBRARY();
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/* This stuff is very confusing. Be sure to see
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src/attribute/attribute.c for a lengthy comment explaining Open
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MPI attribute behavior. */
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ret = ompi_attr_get_c(comm->c_keyhash, comm_keyval,
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(void**)attribute_val, flag);
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OMPI_ERRHANDLER_RETURN(ret, comm, MPI_ERR_OTHER, FUNC_NAME);
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}
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