From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001 From: Erlang/OTP Date: Fri, 20 Nov 2009 14:54:40 +0000 Subject: The R13B03 release. --- .../test/application_SUITE_data/group_leader.erl | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 lib/kernel/test/application_SUITE_data/group_leader.erl (limited to 'lib/kernel/test/application_SUITE_data/group_leader.erl') diff --git a/lib/kernel/test/application_SUITE_data/group_leader.erl b/lib/kernel/test/application_SUITE_data/group_leader.erl new file mode 100644 index 0000000000..08c5b43808 --- /dev/null +++ b/lib/kernel/test/application_SUITE_data/group_leader.erl @@ -0,0 +1,61 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2005-2009. 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% +%% +-module(group_leader). +-behaviour(gen_server). + +%% External exports +-export([start_link/0, code_change/3]). + +%% Internal exports +-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2]). + +start_link() -> gen_server:start_link({local,aa}, ?MODULE, [], []). + +%%----------------------------------------------------------------- +%% Callback functions from gen_server +%%----------------------------------------------------------------- +init([]) -> + Self = self(), + Pid = spawn(fun() -> stupid_child(Self) end) , + receive {Pid, registration_done} -> ok end, + process_flag(trap_exit, true), + {ok,state}. + +handle_call(transient, _From, State) -> + X = application:get_all_env(transient), + {reply,X,State}. + +handle_cast(transient, State) -> + {noreply, State}. + +handle_info(_, State) -> + {noreply, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(_OldVsn, State, _Extra) -> + {ok, State}. + +stupid_child(Parent) -> + register(nisse, self()), + Parent ! {self(), registration_done}, + receive + _Msg -> ok + end. -- cgit v1.2.3