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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Atest.c
*
* Purpose: Attribute testing routines.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#include "H5Amodule.h" /* This source code file is part of the H5A module */
#define H5A_TESTING /* Suppress warning about H5A testing funcs */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Apkg.h" /* Attributes */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5CXprivate.h" /* API Contexts */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5SMprivate.h" /* Shared object header messages */
#include "H5VLprivate.h" /* Virtual Object Layer */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5A__is_shared_test
*
* Purpose: Check if an attribute is shared
*
* Return: TRUE/FALSE/FAIL
*
* Programmer: Quincey Koziol
* Dec 19, 2006
*
*-------------------------------------------------------------------------
*/
htri_t
H5A__is_shared_test(hid_t attr_id)
{
H5A_t *attr; /* Attribute object for ID */
htri_t ret_value = FAIL; /* Return value */
FUNC_ENTER_PACKAGE
/* Check arguments */
if (NULL == (attr = (H5A_t *)H5VL_object_verify(attr_id, H5I_ATTR)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute")
/* Check if attribute is shared */
ret_value = H5O_msg_is_shared(H5O_ATTR_ID, attr);
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5A__is_shared_test() */
/*-------------------------------------------------------------------------
* Function: H5A__get_shared_rc_test
*
* Purpose: Retrieve the refcount for a shared attribute
*
* Return: SUCCEED/FAIL
*
* Programmer: Quincey Koziol
* Dec 19, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5A__get_shared_rc_test(hid_t attr_id, hsize_t *ref_count)
{
H5A_t *attr; /* Attribute object for ID */
hbool_t api_ctx_pushed = FALSE; /* Whether API context pushed */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
/* Check arguments */
if (NULL == (attr = (H5A_t *)H5VL_object_verify(attr_id, H5I_ATTR)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute")
/* Push API context */
if (H5CX_push() < 0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set API context")
api_ctx_pushed = TRUE;
/* Sanity check */
HDassert(H5O_msg_is_shared(H5O_ATTR_ID, attr));
/* Retrieve ref count for shared or shareable attribute */
if (H5SM_get_refcount(attr->oloc.file, H5O_ATTR_ID, &attr->sh_loc, ref_count) < 0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
done:
if (api_ctx_pushed && H5CX_pop() < 0)
HDONE_ERROR(H5E_ATTR, H5E_CANTRESET, FAIL, "can't reset API context")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5A__get_shared_rc_test() */
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