[svn-r11965] Purpose:

    Maintenance

Description:
    Remove half-built (half-baked? :-) implementation of B+tree, block tracker
and segmented heaps.   (In preparation for starting the new heap coding)

Platforms tested:
    FreeBSD 4.11 (sleipnir)
    Linux 2.4 (heping)

1 files changed, 0 insertions, 331 deletions

diff --git a/src/H5BTcache.c b/src/H5BTcache.c
deleted file mode 100644
index d579c05..0000000
--- a/src/H5BTcache.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
- * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-/*-------------------------------------------------------------------------
- *
- * Created:		H5BTcache.c
- *			Mar 10 2005
- *			Quincey Koziol <koziol@ncsa.uiuc.edu>
- *
- * Purpose:		Implement block tracker metadata cache methods.
- *
- *-------------------------------------------------------------------------
- */
-
-#define H5BT_PACKAGE		/*suppress error about including H5SHpkg  */
-
-/* Private headers */
-#include "H5private.h"		/* Generic Functions			*/
-#include "H5BTpkg.h"		/* Block tracker			*/
-#include "H5Eprivate.h"		/* Error handling		  	*/
-
-/* Local macros */
-
-/* Block tracker format version #'s */
-#define H5BT_VERSION 0
-
-
-/* Local typedefs */
-
-/* Local prototypes */
-
-/* Metadata cache callbacks */
-static H5BT_t *H5BT_cache_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_type, void *udata);
-static herr_t H5BT_cache_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5BT_t *b);
-static herr_t H5BT_cache_clear(H5F_t *f, H5BT_t *b, hbool_t destroy);
-static herr_t H5BT_cache_size(const H5F_t *f, const H5BT_t *bt, size_t *size_ptr);
-
-/* Package variables */
-
-/* H5BT inherits cache-like properties from H5AC */
-const H5AC_class_t H5AC_BLTR[1] = {{
-    H5AC_BLTR_ID,
-    (H5AC_load_func_t)H5BT_cache_load,
-    (H5AC_flush_func_t)H5BT_cache_flush,
-    (H5AC_dest_func_t)H5BT_cache_dest,
-    (H5AC_clear_func_t)H5BT_cache_clear,
-    (H5AC_size_func_t)H5BT_cache_size,
-}};
-
-/* Static variables */
-
-/* Declare a free list to manage block tracker data to/from disk */
-H5FL_BLK_DEFINE_STATIC(info_block);
-
-
-
-/*-------------------------------------------------------------------------
- * Function:	H5BT_cache_load
- *
- * Purpose:	Loads block tracker info from the disk.
- *
- * Return:	Success:	Pointer to a new block tracker
- *
- *		Failure:	NULL
- *
- * Programmer:	Quincey Koziol
- *		koziol@ncsa.uiuc.edu
- *		Mar 10 2005
- *
- *-------------------------------------------------------------------------
- */
-static H5BT_t *
-H5BT_cache_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED *udata1, void UNUSED *udata2)
-{
-    H5BT_t		*bt = NULL;
-    size_t		size;
-    uint8_t		*buf = NULL;
-    uint8_t		*p;             /* Pointer into raw data buffer */
-    H5BT_t		*ret_value;
-
-    FUNC_ENTER_NOAPI(H5BT_cache_load, NULL)
-
-    /* Check arguments */
-    HDassert(f);
-    HDassert(H5F_addr_defined(addr));
-
-    if (NULL==(bt = H5FL_MALLOC(H5BT_t)))
-	HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
-    HDmemset(&bt->cache_info,0,sizeof(H5AC_info_t));
-
-    /* Compute the size of the block tracker on disk */
-    size = H5BT_SIZE(f);
-
-    /* Allocate temporary buffer */
-    if ((buf=H5FL_BLK_MALLOC(info_block,size))==NULL)
-        HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed");
-
-    /* Read header from disk */
-    if (H5F_block_read(f, H5FD_MEM_BLKTRK, addr, size, dxpl_id, buf)<0)
-	HGOTO_ERROR(H5E_BLKTRK, H5E_READERROR, NULL, "can't read block tracker info")
-
-    p = buf;
-
-    /* magic number */
-    if (HDmemcmp(p, H5BT_MAGIC, H5BT_SIZEOF_MAGIC))
-	HGOTO_ERROR(H5E_BLKTRK, H5E_CANTLOAD, NULL, "wrong block tracker info signature")
-    p += H5BT_SIZEOF_MAGIC;
-
-    /* version */
-    if (*p++ != H5BT_VERSION)
-	HGOTO_ERROR(H5E_BLKTRK, H5E_CANTLOAD, NULL, "wrong block tracker info version")
-
-    /* Size status information */
-    bt->status = *p++;
-
-    /* Max. block size info */
-    H5F_DECODE_LENGTH(f, p, bt->max_block_size);
-    UINT32DECODE(p, bt->max_block_cnt);
-
-    /* Min. block size info */
-    H5F_DECODE_LENGTH(f, p, bt->min_block_size);
-    UINT32DECODE(p, bt->min_block_cnt);
-
-    /* Total size of all blocks tracked */
-    H5F_DECODE_LENGTH(f, p, bt->tot_block_size);
-
-    /* Address of B-tree for blocks */
-    H5F_addr_decode(f, (const uint8_t **)&p, &(bt->bt2_addr));
-
-    /* Set return value */
-    ret_value = bt;
-
-done:
-    if(buf)
-        H5FL_BLK_FREE(info_block,buf);
-    if (!ret_value && bt)
-        (void)H5BT_cache_dest(f,bt);
-    FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5BT_cache_load() */
-
-
-/*-------------------------------------------------------------------------
- * Function:	H5BT_cache_flush
- *
- * Purpose:	Flushes dirty block tracker info to disk.
- *
- * Return:	Non-negative on success/Negative on failure
- *
- * Programmer:	Quincey Koziol
- *		koziol@ncsa.uiuc.edu
- *		Mar 10 2005
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5BT_cache_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5BT_t *bt)
-{
-    herr_t      ret_value = SUCCEED;    /* Return value */
-
-    FUNC_ENTER_NOAPI(H5BT_cache_flush, FAIL)
-
-    /* check arguments */
-    HDassert(f);
-    HDassert(H5F_addr_defined(addr));
-    HDassert(bt);
-
-    if (bt->cache_info.is_dirty) {
-        uint8_t	*buf = NULL;
-        uint8_t *p;                 /* Pointer into raw data buffer */
-        size_t	size;
-
-        /* Compute the size of the block tracker info on disk */
-        size = H5BT_SIZE(f);
-
-        /* Allocate temporary buffer */
-        if ((buf=H5FL_BLK_MALLOC(info_block,size))==NULL)
-            HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed");
-
-        p = buf;
-
-        /* magic number */
-        HDmemcpy(p, H5BT_MAGIC, H5BT_SIZEOF_MAGIC);
-        p += H5BT_SIZEOF_MAGIC;
-
-        /* version # */
-        *p++ = H5BT_VERSION;
-
-        /* Size status information */
-        *p++ = bt->status;
-
-        /* Max. block size info */
-        H5F_ENCODE_LENGTH(f, p, bt->max_block_size);
-        UINT32ENCODE(p, bt->max_block_cnt);
-
-        /* Min. block size info */
-        H5F_ENCODE_LENGTH(f, p, bt->min_block_size);
-        UINT32ENCODE(p, bt->min_block_cnt);
-
-        /* Total size of all blocks tracked */
-        H5F_ENCODE_LENGTH(f, p, bt->tot_block_size);
-
-        /* Address of B-tree for blocks */
-        H5F_addr_encode(f, &p, bt->bt2_addr);
-
-	/* Write the block tracker info. */
-	if (H5F_block_write(f, H5FD_MEM_BLKTRK, addr, size, dxpl_id, buf) < 0)
-	    HGOTO_ERROR(H5E_BLKTRK, H5E_CANTFLUSH, FAIL, "unable to save block tracker info to disk")
-
-        H5FL_BLK_FREE(info_block,buf);
-
-	bt->cache_info.is_dirty = FALSE;
-    } /* end if */
-
-    if (destroy)
-        if (H5BT_cache_dest(f,bt) < 0)
-	    HGOTO_ERROR(H5E_BLKTRK, H5E_CANTFREE, FAIL, "unable to destroy block tracker info")
-
-done:
-    FUNC_LEAVE_NOAPI(ret_value)
-} /* H5BT_cache_flush() */
-
-
-/*-------------------------------------------------------------------------
- * Function:	H5BT_cache_dest
- *
- * Purpose:	Destroys a block tracker in memory.
- *
- * Return:	Non-negative on success/Negative on failure
- *
- * Programmer:	Quincey Koziol
- *		koziol@ncsa.uiuc.edu
- *		Mar 10 2005
- *
- *-------------------------------------------------------------------------
- */
-/* ARGSUSED */
-herr_t
-H5BT_cache_dest(H5F_t UNUSED *f, H5BT_t *bt)
-{
-    FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_cache_dest)
-
-    /*
-     * Check arguments.
-     */
-    HDassert(bt);
-
-    /* Free block tracker info */
-    H5FL_FREE(H5BT_t,bt);
-
-    FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5BT_cache_dest() */
-
-
-/*-------------------------------------------------------------------------
- * Function:	H5BT_cache_clear
- *
- * Purpose:	Mark a block tracker info in memory as non-dirty.
- *
- * Return:	Non-negative on success/Negative on failure
- *
- * Programmer:	Quincey Koziol
- *		koziol@ncsa.uiuc.edu
- *		Mar 10 2005
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5BT_cache_clear(H5F_t *f, H5BT_t *bt, hbool_t destroy)
-{
-    herr_t ret_value = SUCCEED;
-
-    FUNC_ENTER_NOAPI_NOINIT(H5BT_cache_clear)
-
-    /*
-     * Check arguments.
-     */
-    HDassert(bt);
-
-    /* Reset the dirty flag.  */
-    bt->cache_info.is_dirty = FALSE;
-
-    if (destroy)
-        if (H5BT_cache_dest(f, bt) < 0)
-	    HGOTO_ERROR(H5E_BLKTRK, H5E_CANTFREE, FAIL, "unable to destroy block tracker info")
-
-done:
-    FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5BT_cache_clear() */
-
-
-/*-------------------------------------------------------------------------
- * Function:	H5BT_cache_size
- *
- * Purpose:	Compute the size in bytes of a block tracker info
- *		on disk, and return it in *size_ptr.  On failure,
- *		the value of *size_ptr is undefined.
- *
- * Return:	Non-negative on success/Negative on failure
- *
- * Programmer:	Quincey Koziol
- *		koziol@ncsa.uiuc.edu
- *		Mar 10 2005
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5BT_cache_size(const H5F_t *f, const H5BT_t UNUSED *bt, size_t *size_ptr)
-{
-    FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BT_cache_size)
-
-    /* check arguments */
-    HDassert(f);
-    HDassert(size_ptr);
-
-    /* Set size value */
-    *size_ptr = H5BT_SIZE(f);
-
-    FUNC_LEAVE_NOAPI(SUCCEED)
-} /* H5BT_cache_size() */
-