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openmpi/ompi/mpi/c/file_get_group.c
2015-06-23 20:59:57 -07:00

61 строка
1.7 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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) 2004-2005 The Regents of the University of California.
* 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/file/file.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_File_get_group = PMPI_File_get_group
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_File_get_group";
int MPI_File_get_group(MPI_File fh, MPI_Group *group)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
rc = MPI_ERR_FILE;
fh = MPI_FILE_NULL;
} else if (NULL == group) {
rc = MPI_ERR_GROUP;
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* Does not need to invoke a back-end io function */
rc = ompi_comm_group (fh->f_comm, group);
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}