[svn-r30033] Description:

    Extract epoch marker metadata client into separate source file.

Tested on:
    MacOSX/64 10.11.5 (amazon) w/serial & parallel
    (h5committest forthcoming)

1 files changed, 236 insertions, 0 deletions

diff --git a/src/H5Cepoch.c b/src/H5Cepoch.c
new file mode 100644
index 0000000..7c5e441
--- /dev/null
+++ b/src/H5Cepoch.c
@@ -0,0 +1,236 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 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://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created:     H5Cepoch.c
+ *              June 5 2004
+ *              Quincey Koziol
+ *
+ * Purpose:     Metadata cache epoch callbacks.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+
+/****************/
+/* Module Setup */
+/****************/
+
+#include "H5Cmodule.h"          /* This source code file is part of the H5C module */
+
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h"		/* Generic Functions			*/
+#include "H5Cpkg.h"		/* Cache				*/
+
+
+/****************/
+/* Local Macros */
+/****************/
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+/****************************************************************************
+ *
+ * declarations for epoch marker cache entries.
+ *
+ * As a strategy for automatic cache size reduction, the cache may insert
+ * marker entries in the LRU list at the end of each epoch.  These markers
+ * are then used to identify entries that have not been accessed for n
+ * epochs so that they can be evicted from the cache.
+ *
+ ****************************************************************************/
+static herr_t H5C__epoch_marker_get_load_size(const void *udata_ptr,
+    size_t *image_len_ptr);
+static void * H5C__epoch_marker_deserialize(const void * image_ptr,
+    size_t len, void * udata, hbool_t * dirty_ptr);
+static herr_t H5C__epoch_marker_image_len(const void * thing,
+    size_t *image_len_ptr, hbool_t *compressed_ptr, size_t *compressed_len_ptr);
+static herr_t H5C__epoch_marker_pre_serialize(const H5F_t *f,
+    hid_t dxpl_id, void * thing, haddr_t addr, size_t len,
+    size_t compressed_len, haddr_t * new_addr_ptr, size_t * new_len_ptr,
+    size_t * new_compressed_len_ptr, unsigned * flags_ptr);
+static herr_t H5C__epoch_marker_serialize(const H5F_t *f,
+    void * image_ptr, size_t len, void * thing);
+static herr_t H5C__epoch_marker_notify(H5C_notify_action_t action, void *thing);
+static herr_t H5C__epoch_marker_free_icr(void * thing);
+static herr_t H5C__epoch_marker_clear(const H5F_t *f, void * thing, 
+    hbool_t about_to_destroy);
+static herr_t H5C__epoch_marker_fsf_size(const void H5_ATTR_UNUSED * thing, 
+    size_t H5_ATTR_UNUSED * fsf_size_ptr);
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+
+const H5C_class_t H5C__epoch_marker_class =
+{
+    /* id               = */ H5C__EPOCH_MARKER_TYPE,
+    /* name             = */ "epoch marker",
+    /* mem_type         = */ H5FD_MEM_DEFAULT, /* value doesn't matter */
+    /* flags		= */ H5C__CLASS_NO_FLAGS_SET,
+    /* get_load_size    = */ H5C__epoch_marker_get_load_size,
+    /* deserialize      = */ H5C__epoch_marker_deserialize,
+    /* image_len        = */ H5C__epoch_marker_image_len,
+    /* pre_serialize    = */ H5C__epoch_marker_pre_serialize,
+    /* serialize        = */ H5C__epoch_marker_serialize,
+    /* notify           = */ H5C__epoch_marker_notify,
+    /* free_icr         = */ H5C__epoch_marker_free_icr,
+    /* clear            = */ H5C__epoch_marker_clear,
+    /* fsf_size         = */ H5C__epoch_marker_fsf_size,
+};
+
+
+/***************************************************************************
+ * Class functions for H5C__EPOCH_MAKER_TYPE:
+ *
+ * None of these functions should ever be called, so there is no point in
+ * documenting them separately.
+ *                                                     JRM - 11/16/04
+ *
+ ***************************************************************************/
+
+
+static herr_t
+H5C__epoch_marker_get_load_size(const void H5_ATTR_UNUSED *udata_ptr,
+    size_t H5_ATTR_UNUSED *image_len_ptr)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_get_load_size() */
+
+
+static void *
+H5C__epoch_marker_deserialize(const void H5_ATTR_UNUSED * image_ptr, size_t H5_ATTR_UNUSED len,
+    void H5_ATTR_UNUSED * udata, hbool_t H5_ATTR_UNUSED * dirty_ptr)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(NULL)
+} /* end H5C__epoch_marker_deserialize() */
+
+
+static herr_t
+H5C__epoch_marker_image_len(const void H5_ATTR_UNUSED *thing,
+    size_t H5_ATTR_UNUSED *image_len_ptr, hbool_t H5_ATTR_UNUSED *compressed_ptr,
+    size_t H5_ATTR_UNUSED *compressed_len_ptr)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_image_len() */
+
+
+static herr_t
+H5C__epoch_marker_pre_serialize(const H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id,
+    void H5_ATTR_UNUSED *thing, haddr_t H5_ATTR_UNUSED addr, size_t H5_ATTR_UNUSED len,
+    size_t H5_ATTR_UNUSED compressed_len, haddr_t H5_ATTR_UNUSED *new_addr_ptr, 
+    size_t H5_ATTR_UNUSED *new_len_ptr, size_t H5_ATTR_UNUSED *new_compressed_len_ptr,
+    unsigned H5_ATTR_UNUSED *flags_ptr)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_pre_serialize() */
+
+
+static herr_t
+H5C__epoch_marker_serialize(const H5F_t H5_ATTR_UNUSED *f, void H5_ATTR_UNUSED *image_ptr,
+    size_t H5_ATTR_UNUSED len, void H5_ATTR_UNUSED *thing)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_serialize() */
+
+
+static herr_t
+H5C__epoch_marker_notify(H5C_notify_action_t H5_ATTR_UNUSED action,
+                       void H5_ATTR_UNUSED * thing)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_notify() */
+
+
+static herr_t
+H5C__epoch_marker_free_icr(void H5_ATTR_UNUSED * thing)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_free_icr() */
+
+
+static herr_t 
+H5C__epoch_marker_clear(const H5F_t H5_ATTR_UNUSED *f, void H5_ATTR_UNUSED * thing, hbool_t H5_ATTR_UNUSED about_to_destroy)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_clear() */
+
+
+static herr_t 
+H5C__epoch_marker_fsf_size(const void H5_ATTR_UNUSED * thing, size_t H5_ATTR_UNUSED *fsf_size_ptr)
+{
+    FUNC_ENTER_STATIC_NOERR /* Yes, even though this pushes an error on the stack */
+
+    HERROR(H5E_CACHE, H5E_SYSTEM, "called unreachable fcn.");
+
+    FUNC_LEAVE_NOAPI(FAIL)
+} /* end H5C__epoch_marker_fsf_size() */
+