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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: H5Oflush.c
* Aug 19, 2010
* Mike McGreevy <mamcgree@hdfgroup.org>
*
* Purpose: Object flush/refresh routines.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#include "H5Omodule.h" /* This source code file is part of the H5O module */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Errors */
#include "H5Fprivate.h" /* Files */
#include "H5Gprivate.h" /* Groups */
#include "H5Iprivate.h" /* IDs */
#include "H5Opkg.h" /* Objects */
/********************/
/* Local Prototypes */
/********************/
static herr_t H5O_oh_tag(const H5O_loc_t *oloc, hid_t dxpl_id, haddr_t *tag);
/*************/
/* Functions */
/*************/
/*-------------------------------------------------------------------------
* Function: H5O_flush_common
*
* Purpose: Flushes the object's metadata
* Invokes the user-defined callback if there is one.
*
* Return: Non-negative on success, negative on failure
*
* Programmer: Vailin Choi; Dec 2013
*
*-------------------------------------------------------------------------
*/
herr_t
H5O_flush_common(H5O_loc_t *oloc, hid_t obj_id, hid_t dxpl_id)
{
haddr_t tag = 0;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* Retrieve tag for object */
if(H5O_oh_tag(oloc, dxpl_id, &tag) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object metadata")
/* Flush metadata based on tag value of the object */
if(H5F_flush_tagged_metadata(oloc->file, tag, dxpl_id) < 0)
HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata")
/* Check to invoke callback */
if(H5F_object_flush_cb(oloc->file, obj_id) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to do object flush callback")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_flush_common() */
/*-------------------------------------------------------------------------
* Function: H5O_oh_tag
*
* Purpose: Get object header's address--tag value for the object
*
* Return: Success: Non-negative
* Failure: Negative
*
* Programmer: Mike McGreevy
* May 19, 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_oh_tag(const H5O_loc_t *oloc, hid_t dxpl_id, haddr_t *tag)
{
H5O_t *oh = NULL; /* Object header */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* Check args */
HDassert(oloc);
/* Get object header for object */
if(NULL == (oh = H5O_protect(oloc, dxpl_id, H5AC__READ_ONLY_FLAG)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to protect object's object header")
/* Get object header's address (i.e. the tag value for this object) */
if(HADDR_UNDEF == (*tag = H5O_OH_GET_ADDR(oh)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to get address of object header")
done:
/* Unprotect object header on failure */
if(oh && H5O_unprotect(oloc, dxpl_id, oh, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header")
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_oh_tag() */
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