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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 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Quincey Koziol
* Tuesday, May 3, 2005
*
* Purpose: Memory pool testing functions.
*/
#define H5MP_PACKAGE /*suppress error about including H5MPpkg */
#define H5MP_TESTING /*include H5MP testing funcs*/
/* Private headers */
#include "H5private.h" /* Generic Functions */
#include "H5MPpkg.h" /* Memory Pools */
#include "H5Eprivate.h" /* Error handling */
/* Static Prototypes */
/* Package variables */
/*-------------------------------------------------------------------------
* Function: H5MP_get_pool_free_size
*
* Purpose: Retrieve the total amount of free space in entire pool
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Tuesday, May 3, 2005
*
*-------------------------------------------------------------------------
*/
herr_t
H5MP_get_pool_free_size(const H5MP_pool_t *mp, size_t *free_size)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check arguments. */
HDassert(mp);
HDassert(free_size);
/* Get memory pool's free space */
*free_size = mp->free_size;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5MP_get_pool_free_size() */
/*-------------------------------------------------------------------------
* Function: H5MP_get_pool_first_page
*
* Purpose: Retrieve the first page in a memory pool
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Tuesday, May 3, 2005
*
*-------------------------------------------------------------------------
*/
herr_t
H5MP_get_pool_first_page(const H5MP_pool_t *mp, H5MP_page_t **page)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check arguments. */
HDassert(mp);
HDassert(page);
/* Get memory pool's first page */
*page = mp->first;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5MP_get_pool_first_page() */
/*-------------------------------------------------------------------------
* Function: H5MP_pool_is_free_size_correct
*
* Purpose: Check that the free space reported in each page corresponds
* to the free size in each page and that the free space in the
* free blocks for a page corresponds with the free space for
* the page.
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Wednesday, May 3, 2005
*
*-------------------------------------------------------------------------
*/
htri_t
H5MP_pool_is_free_size_correct(const H5MP_pool_t *mp)
{
H5MP_page_t *page; /* Pointer to current page */
size_t pool_free; /* Size of pages' free space */
htri_t ret_value = TRUE; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check arguments. */
HDassert(mp);
/* Iterate through pages, checking the free size & accumulating the
* free space for all the pages */
page = mp->first;
pool_free = 0;
while (page != NULL) {
H5MP_page_blk_t *blk; /* Pointer to current free block */
size_t page_free; /* Size of blocks on free list */
/* Iterate through the blocks in page, accumulating free space */
blk = (H5MP_page_blk_t *)((unsigned char *)page + H5MP_BLOCK_ALIGN(sizeof(H5MP_page_t)));
page_free = 0;
while (blk != NULL) {
if (blk->is_free)
page_free += blk->size;
blk = blk->next;
} /* end while */
/* Check that the free space from the blocks on the free list
* corresponds to space in page */
if (page_free != page->free_size)
HGOTO_DONE(FALSE)
/* Increment the amount of free space in pool */
pool_free += page->free_size;
/* Advance to next page */
page = page->next;
} /* end while */
/* Check that the free space from the pages
* corresponds to free space in pool */
if (pool_free != mp->free_size)
HGOTO_DONE(FALSE)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5MP_pool_is_free_size_correct() */
/*-------------------------------------------------------------------------
* Function: H5MP_get_page_free_size
*
* Purpose: Retrieve the amount of free space in given page
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Tuesday, May 3, 2005
*
*-------------------------------------------------------------------------
*/
herr_t
H5MP_get_page_free_size(const H5MP_page_t *page, size_t *free_size)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check arguments. */
HDassert(page);
HDassert(free_size);
/* Get memory page's free space */
*free_size = page->free_size;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5MP_get_page_free_size() */
/*-------------------------------------------------------------------------
* Function: H5MP_get_page_next_page
*
* Purpose: Retrieve the next page in the pool
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Tuesday, May 3, 2005
*
*-------------------------------------------------------------------------
*/
herr_t
H5MP_get_page_next_page(const H5MP_page_t *page, H5MP_page_t **next_page)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Check arguments. */
HDassert(page);
HDassert(next_page);
/* Get next memory page */
*next_page = page->next;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5MP_get_page_next_page() */
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