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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2020 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2008 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006-2007 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Comm_create_group = PMPI_Comm_create_group
#endif
#define MPI_Comm_create_group PMPI_Comm_create_group
#endif
static const char FUNC_NAME[] = "MPI_Comm_create_group";
int MPI_Comm_create_group (MPI_Comm comm, MPI_Group group, int tag, MPI_Comm *newcomm) {
int rc;
MEMCHECKER(
memchecker_comm(comm);
);
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid (comm))
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_COMM,
FUNC_NAME);
if (tag < 0 || tag > mca_pml.pml_max_tag)
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TAG,
FUNC_NAME);
if ( NULL == group )
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_GROUP,
FUNC_NAME);
if ( NULL == newcomm )
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
FUNC_NAME);
}
if (MPI_GROUP_NULL == group || MPI_UNDEFINED == ompi_group_rank (group)) {
*newcomm = MPI_COMM_NULL;
return MPI_SUCCESS;
}
#if OPAL_ENABLE_FT_MPI
/*
* An early check, so as to return early if we are using a broken
* communicator. This is not absolutely necessary since we will
* check for this, and other, error conditions during the operation.
*/
if( OPAL_UNLIKELY(!ompi_comm_iface_create_check(comm, &rc)) ) {
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}
#endif
rc = ompi_comm_create_group ((ompi_communicator_t *) comm, (ompi_group_t *) group,
tag, (ompi_communicator_t **) newcomm);
OMPI_ERRHANDLER_RETURN (rc, comm, rc, FUNC_NAME);
}
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