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-rw-r--r--lib/stdlib/src/gen.erl45
-rw-r--r--lib/stdlib/test/gen_server_SUITE.erl55
-rw-r--r--lib/stdlib/test/io_proto_SUITE.erl1
-rw-r--r--lib/stdlib/test/qlc_SUITE.erl11
4 files changed, 76 insertions, 36 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index 5aab547644..43df6f621d 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1996-2010. 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(gen).
@@ -212,7 +212,22 @@ do_call(Process, Label, Request, Timeout) ->
catch erlang:send(Process, {Label, {self(), Mref}, Request},
[noconnect]),
- wait_resp_mon(Node, Mref, Timeout)
+ receive
+ {Mref, Reply} ->
+ erlang:demonitor(Mref, [flush]),
+ {ok, Reply};
+ {'DOWN', Mref, _, _, noconnection} ->
+ exit({nodedown, Node});
+ {'DOWN', Mref, _, _, Reason} ->
+ exit(Reason)
+ after Timeout ->
+ erlang:demonitor(Mref),
+ receive
+ {'DOWN', Mref, _, _, _} -> true
+ after 0 -> true
+ end,
+ exit(timeout)
+ end
catch
error:_ ->
%% Node (C/Java?) is not supporting the monitor.
@@ -233,24 +248,6 @@ do_call(Process, Label, Request, Timeout) ->
end
end.
-wait_resp_mon(Node, Mref, Timeout) ->
- receive
- {Mref, Reply} ->
- erlang:demonitor(Mref, [flush]),
- {ok, Reply};
- {'DOWN', Mref, _, _, noconnection} ->
- exit({nodedown, Node});
- {'DOWN', Mref, _, _, Reason} ->
- exit(Reason)
- after Timeout ->
- erlang:demonitor(Mref),
- receive
- {'DOWN', Mref, _, _, _} -> true
- after 0 -> true
- end,
- exit(timeout)
- end.
-
wait_resp(Node, Tag, Timeout) ->
receive
{Tag, Reply} ->
diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl
index 6efdce78a1..0f60c2c4ee 100644
--- a/lib/stdlib/test/gen_server_SUITE.erl
+++ b/lib/stdlib/test/gen_server_SUITE.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1996-2010. 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(gen_server_SUITE).
@@ -30,7 +30,8 @@
call_remote_n1/1, call_remote_n2/1, call_remote_n3/1, spec_init/1,
spec_init_local_registered_parent/1,
spec_init_global_registered_parent/1,
- otp_5854/1, hibernate/1, otp_7669/1, call_format_status/1
+ otp_5854/1, hibernate/1, otp_7669/1, call_format_status/1,
+ call_with_huge_message_queue/1
]).
% spawn export
@@ -51,7 +52,8 @@ all(suite) ->
call_remote_n2, call_remote_n3, spec_init,
spec_init_local_registered_parent,
spec_init_global_registered_parent,
- otp_5854, hibernate, otp_7669, call_format_status].
+ otp_5854, hibernate, otp_7669, call_format_status,
+ call_with_huge_message_queue].
-define(default_timeout, ?t:minutes(1)).
@@ -904,6 +906,45 @@ call_format_status(Config) when is_list(Config) ->
?line [format_status_called | _] = lists:reverse(Data2),
ok.
+%% Test that the time for a huge message queue is not
+%% significantly slower than with an empty message queue.
+call_with_huge_message_queue(Config) when is_list(Config) ->
+ ?line Pid = spawn_link(fun echo_loop/0),
+
+ ?line {Time,ok} = tc(fun() -> calls(10, Pid) end),
+
+ ?line [self() ! {msg,N} || N <- lists:seq(1, 500000)],
+ erlang:garbage_collect(),
+ ?line {NewTime,ok} = tc(fun() -> calls(10, Pid) end),
+ io:format("Time for empty message queue: ~p", [Time]),
+ io:format("Time for huge message queue: ~p", [NewTime]),
+
+ case (NewTime+1) / (Time+1) of
+ Q when Q < 10 ->
+ ok;
+ Q ->
+ io:format("Q = ~p", [Q]),
+ ?line ?t:fail()
+ end,
+ ok.
+
+calls(0, _) -> ok;
+calls(N, Pid) ->
+ {ultimate_answer,42} = call(Pid, {ultimate_answer,42}),
+ calls(N-1, Pid).
+
+call(Pid, Msg) ->
+ gen_server:call(Pid, Msg, infinity).
+
+tc(Fun) ->
+ timer:tc(erlang, apply, [Fun,[]]).
+
+echo_loop() ->
+ receive
+ {'$gen_call',{Pid,Ref},Msg} ->
+ Pid ! {Ref,Msg},
+ echo_loop()
+ end.
%%--------------------------------------------------------------
%% Help functions to spec_init_*
diff --git a/lib/stdlib/test/io_proto_SUITE.erl b/lib/stdlib/test/io_proto_SUITE.erl
index 93159fbd5b..d9672a8c7b 100644
--- a/lib/stdlib/test/io_proto_SUITE.erl
+++ b/lib/stdlib/test/io_proto_SUITE.erl
@@ -17,6 +17,7 @@
%% %CopyrightEnd%
%%
-module(io_proto_SUITE).
+-compile(r12).
-export([all/1]).
diff --git a/lib/stdlib/test/qlc_SUITE.erl b/lib/stdlib/test/qlc_SUITE.erl
index ff11ebc6bf..aa12ed57da 100644
--- a/lib/stdlib/test/qlc_SUITE.erl
+++ b/lib/stdlib/test/qlc_SUITE.erl
@@ -1,25 +1,26 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2004-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2004-2010. 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%
%%
%%%----------------------------------------------------------------
%%% Purpose:Test Suite for the 'qlc' module.
%%%-----------------------------------------------------------------
-module(qlc_SUITE).
+-compile(r12).
-define(QLC, qlc).
-define(QLCs, "qlc").
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 18:05:26 +0000