[svn-r10506] Purpose:

    New feature

Description:
    Add first iteration of "segmented heap" code, which will be used to store
links in groups in a more flexible way than the previous "local heap" mechanism.

Platforms tested:
    FreeBSD 4.11 (sleipnir) w/parallel
    Solaris 2.9 (shanti)

1 files changed, 96 insertions, 0 deletions

diff --git a/src/H5SHdbg.c b/src/H5SHdbg.c
new file mode 100644
index 0000000..42b2769
--- /dev/null
+++ b/src/H5SHdbg.c
@@ -0,0 +1,96 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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:		H5SHdbg.c
+ *			Mar 24 2005
+ *			Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose:		Dump debugging information about a segmented heap
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#define H5SH_PACKAGE		/*suppress error about including H5SHpkg  */
+
+/* Private headers */
+#include "H5private.h"		/* Generic Functions			*/
+#include "H5Eprivate.h"		/* Error handling		  	*/
+#include "H5SHpkg.h"		/* Segmented heap			*/
+
+
+/*-------------------------------------------------------------------------
+ * Function:	H5SH_debug
+ *
+ * Purpose:	Prints debugging info about a segmented heap
+ *
+ * Return:	Non-negative on success/Negative on failure
+ *
+ * Programmer:	Quincey Koziol
+ *		koziol@ncsa.uiuc.edu
+ *		Mar 24 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5SH_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent, int fwidth)
+{
+    H5SH_t	*sh = NULL;
+    herr_t      ret_value=SUCCEED;       /* Return value */
+
+    FUNC_ENTER_NOAPI(H5SH_debug, FAIL)
+
+    /*
+     * Check arguments.
+     */
+    assert(f);
+    assert(H5F_addr_defined(addr));
+    assert(stream);
+    assert(indent >= 0);
+    assert(fwidth >= 0);
+
+    /*
+     * Load the segmented heap info
+     */
+    if (NULL == (sh = H5AC_protect(f, dxpl_id, H5AC_SGHP, addr, NULL, NULL, H5AC_READ)))
+	HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, FAIL, "unable to load segmented heap info")
+
+    /*
+     * Print the values.
+     */
+    HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
+	      "Dirty flag:",
+	      sh->cache_info.is_dirty ? "True" : "False");
+    HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+	      "Minimum Size Of Heap Blocks:",
+	      sh->min_size);
+    HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+	      "Maximum Size To Extend Heap Blocks:",
+	      sh->max_extend_size);
+    HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+	      "Address of Block Tracker For Heap Blocks:",
+	      sh->bt_heap_addr);
+    HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+	      "Address of Block Tracker For Free Space:",
+	      sh->bt_free_addr);
+
+done:
+    if (sh && H5AC_unprotect(f, dxpl_id, H5AC_SGHP, addr, sh, H5AC__NO_FLAGS_SET) < 0)
+        HDONE_ERROR(H5E_BTREE, H5E_PROTECT, FAIL, "unable to release segmented heap info")
+
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5SH_debug() */
+
+