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diff --git a/lib/mnesia/src/mnesia.hrl b/lib/mnesia/src/mnesia.hrl
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+++ b/lib/mnesia/src/mnesia.hrl
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+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+
+%%
+
+-define(APPLICATION, mnesia).
+
+-define(ets_lookup(Tab, Key), ets:lookup(Tab, Key)).
+-define(ets_lookup_element(Tab, Key, Pos), ets:lookup_element(Tab, Key, Pos)).
+-define(ets_insert(Tab, Rec), ets:insert(Tab, Rec)).
+-define(ets_delete(Tab, Key), ets:delete(Tab, Key)).
+-define(ets_match_delete(Tab, Pat), ets:match_delete(Tab, Pat)).
+-define(ets_match_object(Tab, Pat), ets:match_object(Tab, Pat)).
+-define(ets_match(Tab, Pat), ets:match(Tab, Pat)).
+-define(ets_info(Tab, Item), ets:info(Tab, Item)).
+-define(ets_update_counter(Tab, Key, Incr), ets:update_counter(Tab, Key, Incr)).
+-define(ets_first(Tab), ets:first(Tab)).
+-define(ets_next(Tab, Key), ets:next(Tab, Key)).
+-define(ets_last(Tab), ets:last(Tab)).
+-define(ets_prev(Tab, Key), ets:prev(Tab, Key)).
+-define(ets_slot(Tab, Pos), ets:slot(Tab, Pos)).
+-define(ets_new_table(Tab, Props), ets:new(Tab, Props)).
+-define(ets_delete_table(Tab), ets:delete(Tab)).
+-define(ets_fixtable(Tab, Bool), ets:fixtable(Tab, Bool)).
+
+-define(catch_val(Var), (catch ?ets_lookup_element(mnesia_gvar, Var, 2))).
+
+%% It's important that counter is first, since we compare tid's
+
+-record(tid, 
+        {counter,         %% serial no for tid
+         pid}).           %%  owner of tid
+
+
+-record(tidstore,         
+        {store,           %% current ets table for tid
+         up_stores = [],  %% list of upper layer stores for nested trans
+         level = 1}).     %% transaction level
+
+-define(unique_cookie, {erlang:now(), node()}).
+
+-record(cstruct, {name,                            % Atom
+		  type = set,                      % set | bag
+		  ram_copies = [],                 % [Node]
+		  disc_copies = [],                % [Node]
+		  disc_only_copies = [],           % [Node]
+		  load_order = 0,                  % Integer
+		  access_mode = read_write,        % read_write | read_only
+		  index = [],                      % [Integer]
+		  snmp = [],                       % Snmp Ustruct
+		  local_content = false,           % true | false
+		  record_name = {bad_record_name}, % Atom (Default = Name)
+		  attributes = [key, val],         % [Atom]
+		  user_properties = [],            % [Record]
+		  frag_properties = [],            % [{Key, Val]
+                  cookie = ?unique_cookie,         % Term
+                  version = {{2, 0}, []}}).        % {{Integer, Integer}, [Node]}
+
+%% Record for the head structure in Mnesia's log files
+%% 
+%% The definition of this record may *NEVER* be changed
+%% since it may be written to very old backup files.
+%% By holding this record definition stable we can be
+%% able to comprahend backups from timepoint 0. It also
+%% allows us to use the backup format as an interchange
+%% format between Mnesia releases.
+
+-record(log_header,{log_kind,
+		    log_version,
+		    mnesia_version,
+		    node,
+		    now}).
+
+%% Commit records stored in the transaction log
+-record(commit, {node,
+		 decision, % presume_commit | Decision
+		 ram_copies = [],
+		 disc_copies = [],
+		 disc_only_copies = [],
+		 snmp = [],
+		 schema_ops = []
+		}).
+
+-record(decision, {tid,
+		   outcome, % presume_abort | committed
+		   disc_nodes,
+		   ram_nodes}).
+
+%% Maybe cyclic wait
+-record(cyclic, {node = node(),
+		 oid,  % {Tab, Key}
+		 op,   % read | write
+		 lock, % read | write
+		 lucky
+		}).
+
+%% Managing conditional debug functions
+
+-ifdef(debug).
+    -define(eval_debug_fun(I, C),
+	    mnesia_lib:eval_debug_fun(I, C, ?FILE, ?LINE)).
+-else.
+    -define(eval_debug_fun(I, C), ok).
+-endif.    
+