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8704820d1c
the file didn't have the data. It happened because each handle had its own object structure, and the empty one overwrote the data with fill value. This is fixed by making some attribute information like the data be shared in the attribute structure. Tested on smirom, kagiso, and linew.
150 lines
4.4 KiB
C
150 lines
4.4 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*-------------------------------------------------------------------------
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*
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* Created: H5Atest.c
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* Dec 18 2006
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* Quincey Koziol <koziol@hdfgroup.org>
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*
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* Purpose: Attribute testing routines.
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*
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*-------------------------------------------------------------------------
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*/
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/****************/
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/* Module Setup */
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/****************/
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#define H5A_PACKAGE /*suppress error about including H5Apkg */
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#define H5A_TESTING /*suppress warning about H5A testing funcs*/
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/***********/
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/* Headers */
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/***********/
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#include "H5private.h" /* Generic Functions */
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#include "H5Apkg.h" /* Attributes */
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#include "H5Eprivate.h" /* Error handling */
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#include "H5Iprivate.h" /* IDs */
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#include "H5SMprivate.h" /* Shared object header messages */
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/****************/
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/* Local Macros */
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/****************/
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/******************/
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/* Local Typedefs */
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/******************/
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/********************/
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/* Package Typedefs */
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/********************/
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/********************/
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/* Local Prototypes */
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/********************/
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/*********************/
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/* Package Variables */
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/*********************/
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/*****************************/
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/* Library Private Variables */
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/*****************************/
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/*******************/
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/* Local Variables */
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/*******************/
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/*-------------------------------------------------------------------------
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* Function: H5A_is_shared_test
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*
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* Purpose: Check if an attribute is shared
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*
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* Return: Success: Non-negative
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* Failure: Negative
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*
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* Programmer: Quincey Koziol
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* Dec 19, 2006
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*
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*-------------------------------------------------------------------------
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*/
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htri_t
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H5A_is_shared_test(hid_t attr_id)
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{
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H5A_t *attr; /* Attribute object for ID */
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htri_t ret_value; /* Return value */
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FUNC_ENTER_NOAPI_NOINIT(H5A_is_shared_test)
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/* Check arguments */
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if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR)))
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HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute")
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/* Check if attribute is shared */
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ret_value = H5O_msg_is_shared(H5O_ATTR_ID, attr);
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done:
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FUNC_LEAVE_NOAPI(ret_value)
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} /* end H5A_is_shared_test() */
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/*-------------------------------------------------------------------------
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* Function: H5A_get_shared_rc_test
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*
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* Purpose: Retrieve the refcount for a shared attribute
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*
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* Return: Success: Non-negative
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* Failure: Negative
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*
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* Programmer: Quincey Koziol
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* Dec 19, 2006
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*
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*-------------------------------------------------------------------------
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*/
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herr_t
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H5A_get_shared_rc_test(hid_t attr_id, hsize_t *ref_count)
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{
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H5A_t *attr; /* Attribute object for ID */
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herr_t ret_value = SUCCEED; /* Return value */
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FUNC_ENTER_NOAPI_NOINIT(H5A_get_shared_rc_test)
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/* Check arguments */
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if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR)))
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HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute")
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/* Sanity check */
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HDassert(H5O_msg_is_shared(H5O_ATTR_ID, attr));
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/* Retrieve ref count for shared or shareable attribute */
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if(H5SM_get_refcount(attr->shared->oloc.file, H5AC_ind_dxpl_id, H5O_ATTR_ID,
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&attr->sh_loc, ref_count) < 0)
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HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
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done:
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FUNC_LEAVE_NOAPI(ret_value)
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} /* end H5A_get_shared_rc_test() */
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