aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/test/monitor_SUITE.erl
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/test/monitor_SUITE.erl')
-rw-r--r--erts/emulator/test/monitor_SUITE.erl312
1 files changed, 203 insertions, 109 deletions
diff --git a/erts/emulator/test/monitor_SUITE.erl b/erts/emulator/test/monitor_SUITE.erl
index aec59867d8..4db17969c0 100644
--- a/erts/emulator/test/monitor_SUITE.erl
+++ b/erts/emulator/test/monitor_SUITE.erl
@@ -3,16 +3,17 @@
%%
%% Copyright Ericsson AB 1999-2011. 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%
%%
@@ -26,7 +27,8 @@
case_1/1, case_1a/1, case_2/1, case_2a/1, mon_e_1/1, demon_e_1/1, demon_1/1,
demon_2/1, demon_3/1, demonitor_flush/1,
local_remove_monitor/1, remote_remove_monitor/1, mon_1/1, mon_2/1,
- large_exit/1, list_cleanup/1, mixer/1, named_down/1, otp_5827/1]).
+ large_exit/1, list_cleanup/1, mixer/1, named_down/1, otp_5827/1,
+ monitor_time_offset/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
@@ -38,7 +40,8 @@ all() ->
[case_1, case_1a, case_2, case_2a, mon_e_1, demon_e_1,
demon_1, mon_1, mon_2, demon_2, demon_3,
demonitor_flush, {group, remove_monitor}, large_exit,
- list_cleanup, mixer, named_down, otp_5827].
+ list_cleanup, mixer, named_down, otp_5827,
+ monitor_time_offset].
groups() ->
[{remove_monitor, [],
@@ -59,7 +62,7 @@ end_per_group(_GroupName, Config) ->
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
Dog=?t:timetrap(?t:minutes(15)),
- [{watchdog, Dog}|Config].
+ [{watchdog, Dog},{testcase, Func}|Config].
end_per_testcase(_Func, Config) ->
Dog=?config(watchdog, Config),
@@ -663,110 +666,96 @@ list_cleanup(Config) when is_list(Config) ->
mixer(doc) ->
"Test mixing of internal and external monitors.";
mixer(Config) when is_list(Config) ->
- ?line PA = filename:dirname(code:which(?MODULE)),
- ?line NN = [j0,j1,j2,j3],
-% ?line NN = [j0,j1],
- ?line NL0 = [begin
- {ok, J} = test_server:start_node
- (X, slave, [{args, "-pa " ++ PA}]),
- J
- end || X <- NN],
- ?line NL1 = lists:duplicate(2,node()) ++ NL0,
- ?line Perm = perm(NL1),
- ?line lists:foreach(
- fun(NL) ->
- ?line Js = [ start_jeeves({[],M}) || M <- (NL ++ NL) ],
- ?line [ask_jeeves(P,{monitor_process,self()}) || P <- Js],
- ?line {monitored_by,MB} =
- process_info(self(),monitored_by),
- ?line MBL = lists:sort(MB),
- ?line JsL = lists:sort(Js),
- ?line MBL = JsL,
- ?line {monitors,[]} = process_info(self(),monitors),
- ?line [tell_jeeves(P,{exit,flaff}) || P <- Js],
- ?line wait_for_m([],[],200)
- end,
- Perm),
- ?line lists:foreach(
- fun(NL) ->
- ?line Js = [ start_jeeves({[],M}) || M <- (NL ++ NL) ],
- ?line Rs = [begin
- {monitor_process,Ref} =
- ask_jeeves(P,{monitor_process,self()}),
- {P,Ref}
- end
- || P <- Js],
- ?line {monitored_by,MB} =
- process_info(self(),monitored_by),
- ?line MBL = lists:sort(MB),
- ?line JsL = lists:sort(Js),
- ?line MBL = JsL,
- ?line {monitors,[]} = process_info(self(),monitors),
- ?line [ask_jeeves(P,{demonitor,Ref}) || {P,Ref} <- Rs],
- ?line wait_for_m([],[],200),
- ?line [tell_jeeves(P,{exit,flaff}) || P <- Js]
- end,
- Perm),
- ?line lists:foreach(
- fun(NL) ->
- ?line Js = [ start_jeeves({[],M}) || M <- (NL ++ NL) ],
- ?line [ask_jeeves(P,{monitor_process,self()}) || P <- Js],
- ?line [erlang:monitor(process,P) || P <- Js],
- ?line {monitored_by,MB} =
- process_info(self(),monitored_by),
- ?line MBL = lists:sort(MB),
- ?line JsL = lists:sort(Js),
- ?line MBL = JsL,
- ?line {monitors,M} =
- process_info(self(),monitors),
- ?line ML = lists:sort([P||{process,P} <- M]),
- ?line ML = JsL,
- ?line [begin
- tell_jeeves(P,{exit,flaff}),
- receive {'DOWN',_,process,P,_} -> ok end
- end || P <- Js],
- ?line wait_for_m([],[],200)
- end,
- Perm),
- ?line lists:foreach(
- fun(NL) ->
- ?line Js = [ start_jeeves({[],M}) || M <- (NL ++ NL) ],
- ?line Rs = [begin
- {monitor_process,Ref} =
- ask_jeeves(P,{monitor_process,self()}),
- {P,Ref}
- end
- || P <- Js],
- ?line R2s = [{P,erlang:monitor(process,P)} || P <- Js],
- ?line {monitored_by,MB} =
- process_info(self(),monitored_by),
- ?line MBL = lists:sort(MB),
- ?line JsL = lists:sort(Js),
- ?line MBL = JsL,
- ?line {monitors,M} =
- process_info(self(),monitors),
- ?line ML = lists:sort([P||{process,P} <- M]),
- ?line ML = JsL,
- ?line [ask_jeeves(P,{demonitor,Ref}) || {P,Ref} <- Rs],
- ?line wait_for_m(lists:sort(M),[],200),
- ?line [erlang:demonitor(Ref) || {_P,Ref} <- R2s],
- ?line wait_for_m([],[],200),
- ?line [tell_jeeves(P,{exit,flaff}) || P <- Js]
- end,
- Perm),
- [test_server:stop_node(K) || K <- NL0 ],
+ PA = filename:dirname(code:which(?MODULE)),
+ NN = [j0,j1,j2],
+ NL0 = [begin
+ {ok, J} = test_server:start_node(X,slave,[{args, "-pa " ++ PA}]),
+ J
+ end || X <- NN],
+ NL1 = lists:duplicate(2,node()) ++ NL0,
+ Perm = perm(NL1),
+ lists:foreach(
+ fun(NL) ->
+ Js = [start_jeeves({[],M}) || M <- (NL ++ NL)],
+ [ask_jeeves(P,{monitor_process,self()}) || P <- Js],
+ {monitored_by,MB} = process_info(self(),monitored_by),
+ MBL = lists:sort(MB),
+ JsL = lists:sort(Js),
+ MBL = JsL,
+ {monitors,[]} = process_info(self(),monitors),
+ [tell_jeeves(P,{exit,flaff}) || P <- Js],
+ wait_for_m([],[],200)
+ end,
+ Perm),
+ lists:foreach(
+ fun(NL) ->
+ Js = [start_jeeves({[],M}) || M <- (NL ++ NL)],
+ Rs = [begin
+ {monitor_process,Ref} = ask_jeeves(P,{monitor_process,self()}),
+ {P,Ref}
+ end || P <- Js],
+ {monitored_by,MB} = process_info(self(),monitored_by),
+ MBL = lists:sort(MB),
+ JsL = lists:sort(Js),
+ MBL = JsL,
+ {monitors,[]} = process_info(self(),monitors),
+ [ask_jeeves(P,{demonitor,Ref}) || {P,Ref} <- Rs],
+ wait_for_m([],[],200),
+ [tell_jeeves(P,{exit,flaff}) || P <- Js]
+ end,
+ Perm),
+ lists:foreach(
+ fun(NL) ->
+ Js = [start_jeeves({[],M}) || M <- (NL ++ NL)],
+ [ask_jeeves(P,{monitor_process,self()}) || P <- Js],
+ [erlang:monitor(process,P) || P <- Js],
+ {monitored_by,MB} = process_info(self(),monitored_by),
+ MBL = lists:sort(MB),
+ JsL = lists:sort(Js),
+ MBL = JsL,
+ {monitors,M} = process_info(self(),monitors),
+ ML = lists:sort([P||{process,P} <- M]),
+ ML = JsL,
+ [begin
+ tell_jeeves(P,{exit,flaff}),
+ receive {'DOWN',_,process,P,_} -> ok end
+ end || P <- Js],
+ wait_for_m([],[],200)
+ end,
+ Perm),
+ lists:foreach(
+ fun(NL) ->
+ Js = [start_jeeves({[],M}) || M <- (NL ++ NL)],
+ Rs = [begin
+ {monitor_process,Ref} = ask_jeeves(P,{monitor_process,self()}),
+ {P,Ref}
+ end || P <- Js],
+ R2s = [{P,erlang:monitor(process,P)} || P <- Js],
+ {monitored_by,MB} = process_info(self(),monitored_by),
+ MBL = lists:sort(MB),
+ JsL = lists:sort(Js),
+ MBL = JsL,
+ {monitors,M} = process_info(self(),monitors),
+ ML = lists:sort([P||{process,P} <- M]),
+ ML = JsL,
+ [ask_jeeves(P,{demonitor,Ref}) || {P,Ref} <- Rs],
+ wait_for_m(lists:sort(M),[],200),
+ [erlang:demonitor(Ref) || {_P,Ref} <- R2s],
+ wait_for_m([],[],200),
+ [tell_jeeves(P,{exit,flaff}) || P <- Js]
+ end,
+ Perm),
+ [test_server:stop_node(K) || K <- NL0],
ok.
named_down(doc) -> ["Test that DOWN message for a named monitor isn't"
" delivered until name has been unregistered"];
named_down(suite) -> [];
named_down(Config) when is_list(Config) ->
- ?line {A,B,C} = now(),
?line Name = list_to_atom(atom_to_list(?MODULE)
++ "-named_down-"
- ++ integer_to_list(A)
- ++ "-" ++ integer_to_list(B)
- ++ "-" ++ integer_to_list(C)),
+ ++ integer_to_list(erlang:system_time(seconds))
+ ++ "-" ++ integer_to_list(erlang:unique_integer([positive]))),
?line Prio = process_flag(priority,high),
%% Spawn a bunch of high prio cpu bound processes to prevent
%% normal prio processes from terminating during the next
@@ -837,6 +826,89 @@ otp_5827(Config) when is_list(Config) ->
?line ?t:fail("erlang:monitor/2 hangs")
end.
+monitor_time_offset(Config) when is_list(Config) ->
+ {ok, Node} = start_node(Config, "+C single_time_warp"),
+ Me = self(),
+ PMs = lists:map(fun (_) ->
+ Pid = spawn(Node,
+ fun () ->
+ check_monitor_time_offset(Me)
+ end),
+ {Pid, erlang:monitor(process, Pid)}
+ end,
+ lists:seq(1, 100)),
+ lists:foreach(fun ({P, _M}) ->
+ P ! check_no_change_message
+ end, PMs),
+ lists:foreach(fun ({P, M}) ->
+ receive
+ {no_change_message_received, P} ->
+ ok;
+ {'DOWN', M, process, P, Reason} ->
+ ?t:fail(Reason)
+ end
+ end, PMs),
+ preliminary = rpc:call(Node, erlang, system_flag, [time_offset, finalize]),
+ lists:foreach(fun ({P, M}) ->
+ receive
+ {change_messages_received, P} ->
+ erlang:demonitor(M, [flush]);
+ {'DOWN', M, process, P, Reason} ->
+ ?t:fail(Reason)
+ end
+ end, PMs),
+ stop_node(Node),
+ ok.
+
+check_monitor_time_offset(Leader) ->
+ Mon1 = erlang:monitor(time_offset, clock_service),
+ Mon2 = erlang:monitor(time_offset, clock_service),
+ Mon3 = erlang:monitor(time_offset, clock_service),
+ Mon4 = erlang:monitor(time_offset, clock_service),
+
+ erlang:demonitor(Mon2, [flush]),
+
+ Mon5 = erlang:monitor(time_offset, clock_service),
+ Mon6 = erlang:monitor(time_offset, clock_service),
+ Mon7 = erlang:monitor(time_offset, clock_service),
+
+ receive check_no_change_message -> ok end,
+ receive
+ {'CHANGE', _, time_offset, clock_service, _} ->
+ exit(unexpected_change_message_received)
+ after 0 ->
+ Leader ! {no_change_message_received, self()}
+ end,
+ receive after 100 -> ok end,
+ erlang:demonitor(Mon4, [flush]),
+ receive
+ {'CHANGE', Mon3, time_offset, clock_service, _} ->
+ ok
+ end,
+ receive
+ {'CHANGE', Mon6, time_offset, clock_service, _} ->
+ ok
+ end,
+ erlang:demonitor(Mon5, [flush]),
+ receive
+ {'CHANGE', Mon7, time_offset, clock_service, _} ->
+ ok
+ end,
+ receive
+ {'CHANGE', Mon1, time_offset, clock_service, _} ->
+ ok
+ end,
+ receive
+ {'CHANGE', _, time_offset, clock_service, _} ->
+ exit(unexpected_change_message_received)
+ after 1000 ->
+ ok
+ end,
+ Leader ! {change_messages_received, self()}.
+
+%%
+%% ...
+%%
wait_for_m(_,_,0) ->
exit(monitor_wait_timeout);
@@ -959,3 +1031,25 @@ generate(_Fun, 0) ->
[];
generate(Fun, N) ->
[Fun() | generate(Fun, N-1)].
+
+start_node(Config) ->
+ start_node(Config, "").
+
+start_node(Config, Args) ->
+ TestCase = ?config(testcase, Config),
+ PA = filename:dirname(code:which(?MODULE)),
+ ESTime = erlang:monotonic_time(1) + erlang:time_offset(1),
+ Unique = erlang:unique_integer([positive]),
+ Name = list_to_atom(atom_to_list(?MODULE)
+ ++ "-"
+ ++ atom_to_list(TestCase)
+ ++ "-"
+ ++ integer_to_list(ESTime)
+ ++ "-"
+ ++ integer_to_list(Unique)),
+ test_server:start_node(Name,
+ slave,
+ [{args, "-pa " ++ PA ++ " " ++ Args}]).
+
+stop_node(Node) ->
+ test_server:stop_node(Node).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 13:55:01 +0000