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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1998-2016. 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(run).
-compile(export_all).
host() ->
from($@, atom_to_list(node())).
from(H, [H | T]) -> T;
from(H, [_ | T]) -> from(H, T);
from(H, []) -> [].
start() ->
Result = do_it(),
%% Do GCs and node_and_dist_references
%% in an attempt to crash the VM (without OTP-13076 fix)
lists:foreach(fun(P) -> erlang:garbage_collect(P) end,
processes()),
erts_debug:set_internal_state(available_internal_state, true),
erts_debug:get_internal_state(node_and_dist_references),
io:format("~w~n", [Result]),
if
Result ->
init:stop();
true ->
%% Make sure that the io:format/2 output is really written
%% (especially on Windows).
erlang:yield(),
init:stop()
end.
do_it() ->
{ok, _} = net_kernel:start([fideridum,shortnames]),
{ok, Node} = slave:start(host(), heppel),
P = spawn(Node, net_kernel, stop, []),
B1 = term_to_binary(P),
N1 = node(P),
ok = net_kernel:stop(),
N2 = node(P),
%% OTP-13076
%% Restart distribution with same node name as previous remote node
%% Repeat to wrap around creation
Result = lists:foldl(fun(_, Acc) ->
timer:sleep(2), % give net_kernel:stop() time to take effect :-(
{ok, _} = net_kernel:start([heppel,shortnames]),
N3 = node(P),
ok = net_kernel:stop(),
N4 = node(P),
Acc and (N3 =:= N1) and (N4 =:= N1)
end,
(N2 =:= N1),
lists:seq(1,3)),
Result.
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