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/*
* 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) 2004-2008 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) 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/datatype/ompi_datatype.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Status_set_elements = PMPI_Status_set_elements
#endif
#define MPI_Status_set_elements PMPI_Status_set_elements
#endif
static const char FUNC_NAME[] = "MPI_Status_set_elements";
int MPI_Status_set_elements(MPI_Status *status, MPI_Datatype datatype, int count)
{
int rc = MPI_SUCCESS;
size_t size;
MEMCHECKER(
if(status != MPI_STATUSES_IGNORE) {
/*
* Before checking the complete status, we need to reset the definedness
* of the MPI_ERROR-field (single-completion calls wait/test).
*/
opal_memchecker_base_mem_defined(&status->MPI_ERROR, sizeof(int));
memchecker_status (status);
memchecker_datatype(datatype);
}
);
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == datatype || MPI_DATATYPE_NULL == datatype) {
rc = MPI_ERR_TYPE;
} else if (count < 0) {
rc = MPI_ERR_COUNT;
}
OMPI_ERRHANDLER_NOHANDLE_CHECK(rc, rc, FUNC_NAME);
}
/* ROMIO calls MPI_STATUS_SET_ELEMENTS with IGNORE values, so we
need to allow it. Blah! */
if (MPI_STATUS_IGNORE == status || MPI_STATUSES_IGNORE == status) {
return MPI_SUCCESS;
}
if( ompi_datatype_is_predefined(datatype) ) {
ompi_datatype_type_size( datatype, &size );
status->_ucount = count * size;
} else {
ompi_datatype_set_element_count( datatype, count, &size );
status->_ucount = size;
}
return MPI_SUCCESS;
}
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