1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2016. 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%
%%
%%
-module(mnesia_config_event).
-author('[email protected]').
-behaviour(gen_event).
%%
%% This module was stolen from Mnesia
%%
%% gen_event callback interface
-export([init/1, handle_event/2, handle_call/2, handle_info/2,
terminate/2, code_change/3]).
init(_Args) ->
{ok, []}.
handle_event(Msg, State) ->
handle_any_event(Msg, State).
handle_info(Msg, State) ->
handle_any_event(Msg, State).
handle_call(Msg, State) ->
handle_any_event(Msg, State).
%% The main...
handle_any_event({get_log, Pid}, State) ->
Pid ! {log, State},
{ok, State};
handle_any_event(Msg, State) ->
io:format("Got event: ~p~n", [Msg]),
{ok, [Msg | State]}.
%%-----------------------------------------------------------------
%% terminate(Reason, State) ->
%% AnyVal
%%-----------------------------------------------------------------
terminate(_Reason, _State) ->
ok.
%%----------------------------------------------------------------------
%% Func: code_change/3
%% Purpose: Upgrade process when its code is to be changed
%% Returns: {ok, NewState}
%%----------------------------------------------------------------------
code_change(_OldVsn, _State, _Extra) ->
exit(not_supported).
|
