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-rw-r--r--erts/emulator/test/z_SUITE.erl59
1 files changed, 42 insertions, 17 deletions
diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl
index b0c6224dfe..abc353fb01 100644
--- a/erts/emulator/test/z_SUITE.erl
+++ b/erts/emulator/test/z_SUITE.erl
@@ -3,16 +3,17 @@
%%
%% Copyright Ericsson AB 2006-2011. 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.
+%% 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%
%%
@@ -248,6 +249,7 @@ pollset_size(Config) when is_list(Config) ->
?line io:format("Initial: ~p~nFinal: ~p~n", [InitChkIo, FinChkIo]),
?line InitPollsetSize = lists:keysearch(total_poll_set_size, 1, InitChkIo),
?line FinPollsetSize = lists:keysearch(total_poll_set_size, 1, FinChkIo),
+ HasGethost = case has_gethost() of true -> 1; _ -> 0 end,
?line case InitPollsetSize =:= FinPollsetSize of
true ->
case InitPollsetSize of
@@ -268,7 +270,7 @@ pollset_size(Config) when is_list(Config) ->
= InitPollsetSize,
?line {value, {total_poll_set_size, FinSize}}
= FinPollsetSize,
- ?line true = FinSize < InitSize,
+ ?line true = FinSize < (InitSize + HasGethost),
?line true = 2 =< FinSize,
?line {comment,
"Start pollset size: "
@@ -288,16 +290,39 @@ check_io_debug(Config) when is_list(Config) ->
end.
check_io_debug_test() ->
- ?line erlang:display(get_check_io_info()),
- ?line erts_debug:set_internal_state(available_internal_state, true),
- ?line {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs}
+ erlang:display(get_check_io_info()),
+ erts_debug:set_internal_state(available_internal_state, true),
+ {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs} = CheckIoDebug
= erts_debug:get_internal_state(check_io_debug),
- ?line erts_debug:set_internal_state(available_internal_state, false),
- ?line 0 = NoErrorFds,
- ?line NoUsedFds = NoDrvSelStructs,
+ erts_debug:set_internal_state(available_internal_state, false),
+ HasGetHost = has_gethost(),
+ ct:log("check_io_debug: ~p~n"
+ "HasGetHost: ~p",[CheckIoDebug, HasGetHost]),
+ 0 = NoErrorFds,
+ if
+ NoUsedFds == NoDrvSelStructs ->
+ ok;
+ HasGetHost andalso (NoUsedFds == (NoDrvSelStructs - 1)) ->
+ %% If the inet_gethost port is alive, we may have
+ %% one extra used fd that is not selected on.
+ %% This happens when the initial setup of the
+ %% port returns an EAGAIN
+ ok
+ end,
?line 0 = NoDrvEvStructs,
?line ok.
+has_gethost() ->
+ has_gethost(erlang:ports()).
+has_gethost([P|T]) ->
+ case erlang:port_info(P, name) of
+ {name,"inet_gethost"++_} ->
+ true;
+ _ ->
+ has_gethost(T)
+ end;
+has_gethost([]) ->
+ false.
%%