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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2014 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/info/info.h"
#include <stdlib.h>
#include <string.h>
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Comm_get_info = PMPI_Comm_get_info
#endif
#define MPI_Comm_get_info PMPI_Comm_get_info
#endif
static const char FUNC_NAME[] = "MPI_Comm_get_info";
int MPI_Comm_get_info(MPI_Comm comm, MPI_Info *info_used)
{
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info_used) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_INFO,
FUNC_NAME);
}
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_COMM,
FUNC_NAME);
}
}
if (NULL == comm->super.s_info) {
/*
* Setup any defaults if MPI_Win_set_info was never called
*/
opal_infosubscribe_change_info(&comm->super, &MPI_INFO_NULL->super);
}
*info_used = ompi_info_allocate ();
if (NULL == (*info_used)) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_NO_MEM,
FUNC_NAME);
}
opal_info_t *opal_info_used = &(*info_used)->super;
opal_info_dup_public(comm->super.s_info, &opal_info_used);
return MPI_SUCCESS;
}
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