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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Atest.c
* Dec 18 2006
* Quincey Koziol <koziol@hdfgroup.org>
*
* Purpose: Attribute testing routines.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5A_PACKAGE /*suppress error about including H5Apkg */
#define H5A_TESTING /*suppress warning about H5A testing funcs*/
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Apkg.h" /* Attributes */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5SMprivate.h" /* Shared object header messages */
/****************/
/* 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: Success: Non-negative
* Failure: Negative
*
* 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; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5A_is_shared_test)
/* Check arguments */
if(NULL == (attr = (H5A_t *)H5I_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: Success: Non-negative
* Failure: Negative
*
* 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 */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5A_get_shared_rc_test)
/* Check arguments */
if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute")
/* 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, H5AC_ind_dxpl_id, H5O_ATTR_ID,
&attr->sh_loc, ref_count) < 0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5A_get_shared_rc_test() */
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