%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions 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(SAFE(OP), try (OP) catch error:_ -> ok end).
-define(CATCH(OP), try (OP) catch _:_Reason -> {'EXIT', _Reason} end).
-define(catch_val(Var), (try ?ets_lookup_element(mnesia_gvar, Var, 2)
catch error:_ -> {'EXIT', {badarg, []}} end)).
-define(catch_val_and_stack(Var),
(try ?ets_lookup_element(mnesia_gvar, Var, 2)
catch error:_:_Stacktrace -> {'EXIT', _Stacktrace} end)).
%% 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:monotonic_time() + erlang:time_offset(),
erlang:unique_integer(),1},
node()}).
-record(cstruct, {name, % Atom
type = set, % set | bag
ram_copies = [], % [Node]
disc_copies = [], % [Node]
disc_only_copies = [], % [Node]
external_copies = [], % [{{Alias,Mod},[Node]}]
load_order = 0, % Integer
access_mode = read_write, % read_write | read_only
majority = false, % true | false
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]
storage_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 = [],
ext = [],
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.
