mirror of https://gitee.com/openkylin/openmpi.git
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2014 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2015 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2016-2017 IBM Corporation. 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 "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/info/info.h"
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#include <stdlib.h>
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#include <string.h>
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#if OMPI_BUILD_MPI_PROFILING
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak MPI_Comm_get_info = PMPI_Comm_get_info
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#endif
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#define MPI_Comm_get_info PMPI_Comm_get_info
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#endif
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static const char FUNC_NAME[] = "MPI_Comm_get_info";
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int MPI_Comm_get_info(MPI_Comm comm, MPI_Info *info_used)
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{
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OPAL_CR_NOOP_PROGRESS();
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (NULL == info_used) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
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FUNC_NAME);
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}
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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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}
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}
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if (NULL == comm->super.s_info) {
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/*
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* Setup any defaults if MPI_Win_set_info was never called
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*/
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opal_infosubscribe_change_info(&comm->super, &MPI_INFO_NULL->super);
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}
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(*info_used) = OBJ_NEW(ompi_info_t);
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if (NULL == (*info_used)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM,
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FUNC_NAME);
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}
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opal_info_t *opal_info_used = &(*info_used)->super;
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opal_info_dup_mpistandard(comm->super.s_info, &opal_info_used);
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return MPI_SUCCESS;
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}
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