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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) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2019 IBM Corporation. All rights reserved.
* Copyright (c) 2018 Triad National Security, LLC. 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/errhandler/errhandler.h"
#include "ompi/communicator/communicator.h"
#include "ompi/file/file.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_File_get_info = PMPI_File_get_info
#endif
#define MPI_File_get_info PMPI_File_get_info
#endif
static const char FUNC_NAME[] = "MPI_File_get_info";
int MPI_File_get_info(MPI_File fh, MPI_Info *info_used)
{
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info_used) {
return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_INFO, FUNC_NAME);
}
if (ompi_file_invalid(fh)) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_COMM,
FUNC_NAME);
}
}
// Some components we're still letting handle info internally, eg romio321.
// Components that want to handle it themselves will fill in the get/set
// info function pointers, components that don't will use NULL.
if (fh->f_io_selected_module.v2_0_0.io_module_file_get_info != NULL) {
int rc;
switch (fh->f_io_version) {
case MCA_IO_BASE_V_2_0_0:
rc = fh->f_io_selected_module.v2_0_0.
io_module_file_get_info(fh, info_used);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
if (NULL == fh->super.s_info) {
/*
* Setup any defaults if MPI_Win_set_info was never called
*/
opal_infosubscribe_change_info(&fh->super, &MPI_INFO_NULL->super);
}
*info_used = ompi_info_allocate ();
if (NULL == *info_used) {
return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_NO_MEM, FUNC_NAME);
}
opal_info_t *opal_info_used = &(*info_used)->super;
opal_info_dup_public(fh->super.s_info, &opal_info_used);
return OMPI_SUCCESS;
}
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