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
|
%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (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.mozilla.org/MPL/
%%
%% 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.
%%
%% The Original Code is RabbitMQ.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2011-2014 GoPivotal, Inc. All rights reserved.
%%
-module(mirrored_supervisor_tests_gs).
%% Dumb gen_server we can supervise
-export([start_link/1]).
-export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3,
handle_cast/2]).
-behaviour(gen_server).
-define(MS, mirrored_supervisor).
start_link(want_error) ->
{error, foo};
start_link(want_exit) ->
exit(foo);
start_link(Id) ->
gen_server:start_link({local, Id}, ?MODULE, [], []).
%% ---------------------------------------------------------------------------
init([]) ->
{ok, state}.
handle_call(Msg, _From, State) ->
die_if_my_supervisor_is_evil(),
{reply, {received, self(), Msg}, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info(_Info, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
die_if_my_supervisor_is_evil() ->
try lists:keysearch(self(), 2, ?MS:which_children(evil)) of
false -> ok;
_ -> exit(doooom)
catch
exit:{noproc, _} -> ok
end.
|
