1%%
2%% %CopyrightBegin%
3%%
4%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
5%%
6%% Licensed under the Apache License, Version 2.0 (the "License");
7%% you may not use this file except in compliance with the License.
8%% You may obtain a copy of the License at
9%%
10%%     http://www.apache.org/licenses/LICENSE-2.0
11%%
12%% Unless required by applicable law or agreed to in writing, software
13%% distributed under the License is distributed on an "AS IS" BASIS,
14%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15%% See the License for the specific language governing permissions and
16%% limitations under the License.
17%%
18%% %CopyrightEnd%
19%%
20%% Description: Simulates the behaviour that a child process may have.
21%% Is used by the supervisor_SUITE test suite.
22-module(supervisor_4).
23
24-export([start_child/0, start_child/1, init/1]).
25
26-export([handle_call/3, handle_info/2, terminate/2]).
27
28start_child() ->
29    gen_server:start_link(?MODULE, undefined, []).
30
31start_child(Reason) ->
32    gen_server:start_link(?MODULE, {Reason}, []).
33
34init(Reason) ->
35    process_flag(trap_exit, true),
36    {ok, Reason}.
37
38handle_call(Req, _From, State) ->
39    {reply, Req, State}.
40
41handle_info(stop, State) ->
42    {stop, normal, State};
43handle_info(_, State) ->
44    {noreply, State}.
45
46terminate(_, {Reason}) ->
47    exit(Reason);
48terminate(_, _) ->
49    ok.
50