e3537b7ee7
Rename H5AC_set() to H5AC_insert_entry() Get rid of H5C_set_skip_flags() & related flags Tested on: Mac OS X/32 10.6.4 (amazon) w/debug, production & parallel (too simple to require h5committest)
312 lines
9.7 KiB
C
312 lines
9.7 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: H5FAdblkpage.c
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*
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* Purpose: Data block page routines for fixed array.
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*
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*-------------------------------------------------------------------------
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*/
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/**********************/
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/* Module Declaration */
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/**********************/
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#define H5FA_MODULE
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/***********************/
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/* Other Packages Used */
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/***********************/
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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 "H5Eprivate.h" /* Error handling */
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#include "H5FApkg.h" /* Fixed Arrays */
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#include "H5FLprivate.h" /* Free Lists */
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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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/* Declare a free list to manage the H5FA_dblk_page_t struct */
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H5FL_DEFINE_STATIC(H5FA_dblk_page_t);
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/* Declare a free list to manage the page elements */
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H5FL_BLK_DEFINE(page_elmts);
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/*-------------------------------------------------------------------------
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* Function: H5FA__dblk_page_alloc
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*
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* Purpose: Allocate fixed array data block page
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*
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* Return: Non-NULL pointer to data block on success/NULL on failure
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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H5FA_dblk_page_t *, NULL, NULL,
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H5FA__dblk_page_alloc(H5FA_hdr_t *hdr, size_t nelmts))
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/* Local variables */
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H5FA_dblk_page_t *dblk_page = NULL; /* Fixed array data block page */
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/* Check arguments */
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HDassert(hdr);
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/* Allocate memory for the data block */
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if(NULL == (dblk_page = H5FL_CALLOC(H5FA_dblk_page_t)))
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H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block page")
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/* Share common array information */
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if(H5FA__hdr_incr(hdr) < 0)
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H5E_THROW(H5E_CANTINC, "can't increment reference count on shared array header")
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dblk_page->hdr = hdr;
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/* Set non-zero internal fields */
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dblk_page->nelmts = nelmts;
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/* Allocate buffer for elements in data block page */
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if(NULL == (dblk_page->elmts = H5FL_BLK_MALLOC(page_elmts, nelmts * hdr->cparam.cls->nat_elmt_size)))
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H5E_THROW(H5E_CANTALLOC, "memory allocation failed for data block page element buffer")
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/* Set the return value */
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ret_value = dblk_page;
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CATCH
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if(!ret_value)
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if(dblk_page && H5FA__dblk_page_dest(dblk_page) < 0)
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H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block page")
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END_FUNC(PKG) /* end H5FA__dblk_page_alloc() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__dblk_page_create
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*
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* Purpose: Creates a new fixed array data block page in the file
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*
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* Return: Valid file address on success/HADDR_UNDEF on failure
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__dblk_page_create(H5FA_hdr_t *hdr, hid_t dxpl_id, haddr_t addr, size_t nelmts))
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/* Local variables */
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H5FA_dblk_page_t *dblk_page = NULL; /* Fixed array data block page */
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#ifdef H5FA_DEBUG
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HDfprintf(stderr, "%s: Called, addr = %a\n", FUNC, addr);
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#endif /* H5FA_DEBUG */
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/* Sanity check */
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HDassert(hdr);
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/* Allocate the data block page */
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if(NULL == (dblk_page = H5FA__dblk_page_alloc(hdr, nelmts)))
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H5E_THROW(H5E_CANTALLOC, "memory allocation failed for fixed array data block page")
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/* Set info about data block page on disk */
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dblk_page->addr = addr;
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dblk_page->size = H5FA_DBLK_PAGE_SIZE(dblk_page, nelmts);
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#ifdef H5FA_DEBUG
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HDfprintf(stderr, "%s: dblk_page->size = %Zu\n", FUNC, dblk_page->size);
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#endif /* H5FA_DEBUG */
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/* Clear any elements in data block page to fill value */
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if((hdr->cparam.cls->fill)(dblk_page->elmts, nelmts) < 0)
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H5E_THROW(H5E_CANTSET, "can't set fixed array data block page elements to class's fill value")
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/* Cache the new fixed array data block page */
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if(H5AC_insert_entry(hdr->f, dxpl_id, H5AC_FARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, H5AC__NO_FLAGS_SET) < 0)
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H5E_THROW(H5E_CANTINSERT, "can't add fixed array data block page to cache")
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CATCH
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if(ret_value < 0)
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if(dblk_page) {
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/* Destroy data block page */
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if(H5FA__dblk_page_dest(dblk_page) < 0)
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H5E_THROW(H5E_CANTFREE, "unable to destroy fixed array data block page")
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} /* end if */
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END_FUNC(PKG) /* end H5FA__dblk_page_create() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__dblk_page_protect
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*
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* Purpose: Convenience wrapper around protecting fixed array data
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* block page
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*
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* Return: Non-NULL pointer to data block page on success/NULL on failure
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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H5FA_dblk_page_t *, NULL, NULL,
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H5FA__dblk_page_protect(H5FA_hdr_t *hdr, hid_t dxpl_id, haddr_t dblk_page_addr,
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size_t dblk_page_nelmts, H5AC_protect_t rw))
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/* Local variables */
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H5FA_dblk_page_cache_ud_t udata; /* Information needed for loading data block page */
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#ifdef H5FA_DEBUG
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HDfprintf(stderr, "%s: Called\n", FUNC);
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#endif /* H5FA_DEBUG */
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/* Sanity check */
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HDassert(hdr);
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HDassert(H5F_addr_defined(dblk_page_addr));
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/* Set up user data */
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udata.hdr = hdr;
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udata.nelmts = dblk_page_nelmts;
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/* Protect the data block page */
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if(NULL == (ret_value = (H5FA_dblk_page_t *)H5AC_protect(hdr->f, dxpl_id, H5AC_FARRAY_DBLK_PAGE, dblk_page_addr, &udata, rw)))
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H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed array data block page, address = %llu", (unsigned long long)dblk_page_addr)
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CATCH
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END_FUNC(PKG) /* end H5FA__dblk_page_protect() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__dblk_page_unprotect
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*
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* Purpose: Convenience wrapper around unprotecting fixed array
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* data block page
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*
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* Return: Non-negative on success/Negative on failure
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__dblk_page_unprotect(H5FA_dblk_page_t *dblk_page, hid_t dxpl_id,
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unsigned cache_flags))
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/* Local variables */
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#ifdef H5FA_DEBUG
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HDfprintf(stderr, "%s: Called\n", FUNC);
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#endif /* H5FA_DEBUG */
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/* Sanity check */
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HDassert(dblk_page);
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/* Unprotect the data block page */
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if(H5AC_unprotect(dblk_page->hdr->f, dxpl_id, H5AC_FARRAY_DBLK_PAGE, dblk_page->addr, dblk_page, cache_flags) < 0)
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H5E_THROW(H5E_CANTUNPROTECT, "unable to unprotect fixed array data block page, address = %llu", (unsigned long long)dblk_page->addr)
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CATCH
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END_FUNC(PKG) /* end H5FA__dblk_page_unprotect() */
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/*-------------------------------------------------------------------------
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* Function: H5FA__dblk_page_dest
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*
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* Purpose: Destroys a fixed array data block page in memory.
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*
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* Return: Non-negative on success/Negative on failure
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*
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* Programmer: Vailin Choi
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* Thursday, April 30, 2009
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*
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*-------------------------------------------------------------------------
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*/
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BEGIN_FUNC(PKG, ERR,
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herr_t, SUCCEED, FAIL,
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H5FA__dblk_page_dest(H5FA_dblk_page_t *dblk_page))
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/* Sanity check */
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HDassert(dblk_page);
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/* Check if header field has been initialized */
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if(dblk_page->hdr) {
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/* Check if buffer for data block page elements has been initialized */
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if(dblk_page->elmts) {
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/* Free buffer for data block page elements */
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dblk_page->elmts = H5FL_BLK_FREE(page_elmts, dblk_page->elmts);
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} /* end if */
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/* Decrement reference count on shared info */
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if(H5FA__hdr_decr(dblk_page->hdr) < 0)
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H5E_THROW(H5E_CANTDEC, "can't decrement reference count on shared array header")
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dblk_page->hdr = NULL;
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} /* end if */
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/* Free the data block page itself */
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dblk_page = H5FL_FREE(H5FA_dblk_page_t, dblk_page);
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CATCH
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END_FUNC(PKG) /* end H5FA__dblk_page_dest() */
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