1 files changed, 92 insertions, 0 deletions
diff --git a/src/H5HGpkg.h b/src/H5HGpkg.h
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *             Wednesday, July 9, 2003
+ *
+ * Purpose:     This file contains declarations which are visible
+ *              only within the H5HG package. Source files outside the
+ *              H5HG package should include H5HGprivate.h instead.
+ */
+#ifndef H5HG_PACKAGE
+#error "Do not include this file outside the H5HG package!"
+#endif
+
+#ifndef _H5HGpkg_H
+#define _H5HGpkg_H
+
+/* Get package's private header */
+#include "H5HGprivate.h"
+
+/* Other private headers needed by this file */
+
+/*****************************/
+/* Package Private Variables */
+/*****************************/
+
+/* The cache subclass */
+H5_DLLVAR const H5AC_class_t H5AC_GHEAP[1];
+
+/**************************/
+/* Package Private Macros */
+/**************************/
+
+/*
+ * Pad all global heap messages to a multiple of eight bytes so we can load
+ * the entire collection into memory and operate on it there.  Eight should
+ * be sufficient for machines that have alignment constraints because our
+ * largest data type is eight bytes.
+ */
+#define H5HG_ALIGNMENT	8
+#define H5HG_ALIGN(X)	(H5HG_ALIGNMENT*(((X)+H5HG_ALIGNMENT-1)/	      \
+					 H5HG_ALIGNMENT))
+#define H5HG_ISALIGNED(X) ((X)==H5HG_ALIGN(X))
+
+/*
+ * The overhead associated with each object in the heap, always a multiple of
+ * the alignment so that the stuff that follows the header is aligned.
+ */
+#define H5HG_SIZEOF_OBJHDR(f)						      \
+    H5HG_ALIGN(2 +			/*object id number	*/	      \
+	       2 +			/*reference count	*/	      \
+	       4 +			/*reserved		*/	      \
+	       H5F_SIZEOF_SIZE(f))	/*object data size	*/
+
+/****************************/
+/* Package Private Typedefs */
+/****************************/
+
+typedef struct H5HG_obj_t {
+    int		nrefs;		/*reference count		*/
+    size_t		size;		/*total size of object		*/
+    uint8_t		*begin;		/*ptr to object into heap->chunk*/
+} H5HG_obj_t;
+
+struct H5HG_heap_t {
+    H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
+                            /* first field in structure */
+    haddr_t		addr;		/*collection address		*/
+    size_t		size;		/*total size of collection	*/
+    uint8_t		*chunk;		/*the collection, incl. header	*/
+    size_t		nalloc;		/*numb object slots allocated	*/
+    H5HG_obj_t	*obj;		/*array of object descriptions	*/
+};
+
+/******************************/
+/* Package Private Prototypes */
+/******************************/
+
+#endif
+