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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2009 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2006 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Oak Ridge National Labs. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <stddef.h>
#include "opal/constants.h"
#include "opal/datatype/opal_datatype.h"
#include "opal/datatype/opal_datatype_internal.h"
#include "limits.h"
#include "opal/prefetch.h"
static void opal_datatype_construct( opal_datatype_t* pData )
{
int i;
pData->size = 0;
pData->id = 0;
pData->nbElems = 0;
pData->bdt_used = 0;
for( i = 0; i < OPAL_DATATYPE_MAX_PREDEFINED; i++ )
pData->btypes[i] = 0;
pData->btypes[OPAL_DATATYPE_LOOP] = 0;
pData->opt_desc.desc = NULL;
pData->opt_desc.length = 0;
pData->opt_desc.used = 0;
pData->align = 1;
pData->flags = OPAL_DATATYPE_FLAG_CONTIGUOUS;
pData->true_lb = LONG_MAX;
pData->true_ub = LONG_MIN;
pData->lb = LONG_MAX;
pData->ub = LONG_MIN;
pData->name[0] = '\0';
}
static void opal_datatype_destruct( opal_datatype_t* datatype )
{
if (!opal_datatype_is_predefined(datatype)) {
if( datatype->desc.desc != NULL ) {
free( datatype->desc.desc );
datatype->desc.length = 0;
datatype->desc.used = 0;
}
if( datatype->opt_desc.desc != NULL ) {
if( datatype->opt_desc.desc != datatype->desc.desc )
free( datatype->opt_desc.desc );
datatype->opt_desc.length = 0;
datatype->opt_desc.used = 0;
datatype->opt_desc.desc = NULL;
}
}
/**
* As the default description and the optimized description can point to the
* same memory location we should keep the default location pointer until we
* know what we should do with the optimized description.
*/
datatype->desc.desc = NULL;
/* make sure the name is set to empty */
datatype->name[0] = '\0';
}
OBJ_CLASS_INSTANCE(opal_datatype_t, opal_object_t, opal_datatype_construct, opal_datatype_destruct);
opal_datatype_t* opal_datatype_create( int32_t expectedSize )
{
opal_datatype_t* datatype = (opal_datatype_t*)OBJ_NEW(opal_datatype_t);
if( expectedSize == -1 ) expectedSize = DT_INCREASE_STACK;
datatype->desc.length = expectedSize + 1; /* one for the fake elem at the end */
datatype->desc.used = 0;
datatype->desc.desc = (dt_elem_desc_t*)calloc(datatype->desc.length, sizeof(dt_elem_desc_t));
/* BEWARE: an upper-layer configured with OPAL_MAX_OBJECT_NAME different than the OPAL-layer will not work! */
memset( datatype->name, 0, OPAL_MAX_OBJECT_NAME );
return datatype;
}
int32_t opal_datatype_create_desc( opal_datatype_t * datatype, int32_t expectedSize )
{
if( expectedSize == -1 )
expectedSize = DT_INCREASE_STACK;
datatype->desc.length = expectedSize + 1; /* one for the fake elem at the end */
datatype->desc.used = 0;
datatype->desc.desc = (dt_elem_desc_t*)calloc(datatype->desc.length, sizeof(dt_elem_desc_t));
if (NULL == datatype->desc.desc)
return OPAL_ERR_OUT_OF_RESOURCE;
return OPAL_SUCCESS;
}
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