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-rw-r--r--erts/emulator/test/Makefile1
-rw-r--r--erts/emulator/test/distribution_SUITE.erl101
-rw-r--r--erts/emulator/test/hipe_SUITE.erl64
-rw-r--r--erts/emulator/test/hipe_SUITE_data/literals.erl26
-rw-r--r--erts/emulator/test/hipe_SUITE_data/ref_cell.erl64
-rw-r--r--erts/emulator/test/map_SUITE.erl35
-rw-r--r--erts/emulator/test/port_SUITE.erl152
-rw-r--r--erts/emulator/test/trace_local_SUITE.erl8
8 files changed, 391 insertions, 60 deletions
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index b580211eff..2e48c475d5 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -70,6 +70,7 @@ MODULES= \
guard_SUITE \
hash_SUITE \
hibernate_SUITE \
+ hipe_SUITE \
list_bif_SUITE \
lttng_SUITE \
map_SUITE \
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index c6939a695d..159fbc806b 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -43,7 +43,7 @@
lost_exit/1, link_to_dead/1, link_to_dead_new_node/1,
applied_monitor_node/1, ref_port_roundtrip/1, nil_roundtrip/1,
trap_bif_1/1, trap_bif_2/1, trap_bif_3/1,
- stop_dist/1,
+ stop_dist/1,
dist_auto_connect_never/1, dist_auto_connect_once/1,
dist_parallel_send/1,
atom_roundtrip/1,
@@ -66,13 +66,13 @@
sendersender/4, sendersender2/4]).
%% epmd_module exports
--export([start_link/0, register_node/2, port_please/2]).
+-export([start_link/0, register_node/2, register_node/3, port_please/2]).
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap, {minutes, 4}}].
-all() ->
+all() ->
[ping, {group, bulk_send}, {group, local_send},
link_to_busy, exit_to_busy, lost_exit, link_to_dead,
link_to_dead_new_node, applied_monitor_node,
@@ -83,7 +83,7 @@ all() ->
bad_dist_structure, {group, bad_dist_ext},
start_epmd_false, epmd_module].
-groups() ->
+groups() ->
[{bulk_send, [], [bulk_send_small, bulk_send_big, bulk_send_bigbig]},
{local_send, [],
[local_send_small, local_send_big, local_send_legal]},
@@ -844,59 +844,50 @@ dist_auto_connect_once(Config) when is_list(Config) ->
%% Result is sent here through relay node.
dist_auto_connect_never(Config) when is_list(Config) ->
Self = self(),
- {ok, RelayNode} =
- start_node(dist_auto_connect_relay),
- spawn(RelayNode,
+ {ok, RelayNode} = start_node(dist_auto_connect_relay),
+ spawn(RelayNode,
fun() ->
register(dist_auto_connect_relay, self()),
- dist_auto_connect_relay(Self)
+ dist_auto_connect_relay(Self)
end),
{ok, Handle} = dist_auto_connect_start(dist_auto_connect, never),
- Result =
- receive
- {do_dist_auto_connect, ok} ->
- ok;
- {do_dist_auto_connect, Error} ->
- {error, Error};
- Other ->
- {error, Other}
- after 32000 ->
- timeout
- end,
+ Result = receive
+ {do_dist_auto_connect, ok} ->
+ ok;
+ {do_dist_auto_connect, Error} ->
+ {error, Error};
+ Other ->
+ {error, Other}
+ after 32000 ->
+ timeout
+ end,
stop_node(RelayNode),
- Stopped = dist_auto_connect_stop(Handle),
- Junk =
- receive
- {do_dist_auto_connect, _} = J ->
- J
- after 0 ->
- ok
- end,
+ Stopped = dist_auto_connect_stop(Handle),
+ Junk = receive
+ {do_dist_auto_connect, _} = J -> J
+ after 0 -> ok
+ end,
{ok, ok, ok} = {Result, Stopped, Junk},
ok.
do_dist_auto_connect([never]) ->
Node = list_to_atom("dist_auto_connect_relay@" ++ hostname()),
- io:format("~p:do_dist_auto_connect([false]) Node=~p~n",
- [?MODULE, Node]),
+ io:format("~p:do_dist_auto_connect([false]) Node=~p~n", [?MODULE, Node]),
Ping = net_adm:ping(Node),
- io:format("~p:do_dist_auto_connect([false]) Ping=~p~n",
- [?MODULE, Ping]),
+ io:format("~p:do_dist_auto_connect([false]) Ping=~p~n", [?MODULE, Ping]),
Result = case Ping of
pang -> ok;
_ -> {error, Ping}
end,
- io:format("~p:do_dist_auto_connect([false]) Result=~p~n",
- [?MODULE, Result]),
+ io:format("~p:do_dist_auto_connect([false]) Result=~p~n", [?MODULE, Result]),
net_kernel:connect_node(Node),
catch {dist_auto_connect_relay, Node} ! {do_dist_auto_connect, Result};
% receive after 1000 -> ok end,
% halt();
do_dist_auto_connect(Arg) ->
- io:format("~p:do_dist_auto_connect(~p)~n",
- [?MODULE, Arg]),
+ io:format("~p:do_dist_auto_connect(~p)~n", [?MODULE, Arg]),
receive after 10000 -> ok end,
halt().
@@ -912,11 +903,11 @@ dist_auto_connect_start(Name, Value) when is_list(Name), is_atom(Value) ->
[%"xterm -e ",
atom_to_list(lib:progname()),
% " -noinput ",
- " -detached ",
+ " -detached ",
long_or_short(), " ", Name,
" -setcookie ", Cookie,
" -pa ", ModuleDir,
- " -s ", atom_to_list(?MODULE),
+ " -s ", atom_to_list(?MODULE),
" do_dist_auto_connect ", ValueStr,
" -kernel dist_auto_connect ", ValueStr]),
io:format("~p:dist_auto_connect_start() cmd: ~p~n", [?MODULE, Cmd]),
@@ -947,7 +938,7 @@ dist_auto_connect_stop(Port, Node, Pid, N) when is_integer(N) ->
end.
-dist_auto_connect_relay(Parent) ->
+dist_auto_connect_relay(Parent) ->
receive X ->
catch Parent ! X
end,
@@ -1321,7 +1312,7 @@ get_conflicting_unicode_atoms(CIX, N) ->
start_monitor(Offender,P) ->
Parent = self(),
Q = spawn(Offender,
- fun () ->
+ fun () ->
Ref = erlang:monitor(process,P),
Parent ! {self(),ref,Ref},
receive
@@ -1458,8 +1449,8 @@ bad_dist_structure(Config) when is_list(Config) ->
pong = rpc:call(Victim, net_adm, ping, [Offender]),
P ! two,
P ! check_msgs,
- receive
- {P, messages_checked} -> ok
+ receive
+ {P, messages_checked} -> ok
after 5000 ->
exit(victim_is_dead)
end,
@@ -1765,7 +1756,7 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) ->
pong = net_adm:ping(Node),
DPrt = dport(Node),
Bad1 = case WhereToPutSelf of
- 0 ->
+ 0 ->
Bad;
N when N > 0 ->
setelement(N,Bad,self())
@@ -1779,8 +1770,8 @@ send_bad_structure(Offender,Victim,Bad,WhereToPutSelf,PayLoad) ->
port_command(DPrt, DData),
Parent ! {DData,Done}
end),
- receive
- {WhatSent,Done} ->
+ receive
+ {WhatSent,Done} ->
io:format("Offender sent ~p~n",[WhatSent]),
ok
after 5000 ->
@@ -1887,7 +1878,7 @@ dmsg_fake_hdr2() ->
1, size(A2), A2,
2, size(A3), A3].
-dmsg_ext(Term) ->
+dmsg_ext(Term) ->
<<131, Res/binary>> = term_to_binary(Term),
Res.
@@ -1934,7 +1925,9 @@ epmd_module(Config) when is_list(Config) ->
start_link() ->
ignore.
-register_node(_Name, Port) ->
+register_node(Name, Port) ->
+ register_node(Name, Port, inet_tcp).
+register_node(_Name, Port, _Driver) ->
%% Save the port number we're listening on.
application:set_env(kernel, dist_listen_port, Port),
Creation = rand:uniform(3),
@@ -1972,7 +1965,7 @@ start_node(Name, Args, Rel) when is_atom(Name), is_list(Rel) ->
[] -> [];
_ -> [{erl,[{release,Rel}]}]
end,
- test_server:start_node(Name, slave,
+ test_server:start_node(Name, slave,
[{args,
Args++" -setcookie "++Cookie++" -pa \""++Pa++"\""}
| RelArg]);
@@ -2040,17 +2033,15 @@ inet_rpc_server_loop(Sock) ->
start_relay_node(Node, Args) ->
Pa = filename:dirname(code:which(?MODULE)),
Cookie = "NOT"++atom_to_list(erlang:get_cookie()),
- {ok, LSock} = gen_tcp:listen(0, [binary, {packet, 4},
- {active, false}]),
+ {ok, LSock} = gen_tcp:listen(0, [binary, {packet, 4}, {active, false}]),
{ok, Port} = inet:port(LSock),
{ok, Host} = inet:gethostname(),
RunArg = "-run " ++ atom_to_list(?MODULE) ++ " inet_rpc_server " ++
Host ++ " " ++ integer_to_list(Port),
- {ok, NN} =
- test_server:start_node(Node, peer,
- [{args, Args ++
- " -setcookie "++Cookie++" -pa "++Pa++" "++
- RunArg}]),
+ {ok, NN} = test_server:start_node(Node, peer,
+ [{args, Args ++
+ " -setcookie "++Cookie++" -pa "++Pa++" "++
+ RunArg}]),
[N,H] = string:tokens(atom_to_list(NN),"@"),
{ok, Sock} = gen_tcp:accept(LSock),
pang = net_adm:ping(NN),
@@ -2066,7 +2057,7 @@ wait_dead(N,H,0) ->
wait_dead(N,H,X) ->
case erl_epmd:port_please(N,H) of
{port,_,_} ->
- receive
+ receive
after 1000 ->
ok
end,
diff --git a/erts/emulator/test/hipe_SUITE.erl b/erts/emulator/test/hipe_SUITE.erl
new file mode 100644
index 0000000000..3e682b8d88
--- /dev/null
+++ b/erts/emulator/test/hipe_SUITE.erl
@@ -0,0 +1,64 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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(hipe_SUITE).
+-export([all/0, t_copy_literals/1]).
+
+all() ->
+ case erlang:system_info(hipe_architecture) of
+ undefined -> {skip, "HiPE is disabled"};
+ _ -> [t_copy_literals]
+ end.
+
+t_copy_literals(doc) ->
+ "Check that BEAM literals referenced from HiPE stack are copied by"
+ " check_process_code";
+t_copy_literals(Config) when is_list(Config) ->
+ %% Compile the the ref_cell and literals modules.
+ Data = proplists:get_value(data_dir, Config),
+ Priv = proplists:get_value(priv_dir, Config),
+ RefFile = filename:join(Data, "ref_cell"),
+ {ok,ref_cell} = c:c(RefFile, [{outdir,Priv},native]),
+ true = code:is_module_native(ref_cell),
+ LitFile = filename:join(Data, "literals"),
+ {ok,literals} = c:c(LitFile, [{outdir,Priv}]),
+
+ %% store references to literals on HiPE stacks
+ PA = ref_cell:start_link(),
+ ref_cell:call(PA, {put_res_of, fun literals:a/0}),
+ PB = ref_cell:start_link_deep(),
+ ref_cell:call(PB, {put_res_of, fun literals:b/0}),
+
+ %% purge the literals
+ _ = (catch erlang:purge_module(literals)),
+ true = erlang:delete_module(literals),
+ true = erlang:purge_module(literals),
+
+ %% check that the ex-literals are ok
+ [a,b,c] = ref_cell:call(PA, get),
+ {a,b,c} = ref_cell:call(PB, get),
+
+ %% cleanup
+ ref_cell:call(PA, done),
+ ref_cell:call(PB, done),
+ _ = (catch erlang:purge_module(ref_cell)),
+ true = erlang:delete_module(ref_cell),
+ true = erlang:purge_module(ref_cell),
+ ok.
diff --git a/erts/emulator/test/hipe_SUITE_data/literals.erl b/erts/emulator/test/hipe_SUITE_data/literals.erl
new file mode 100644
index 0000000000..31e443970f
--- /dev/null
+++ b/erts/emulator/test/hipe_SUITE_data/literals.erl
@@ -0,0 +1,26 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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(literals).
+
+-export([a/0, b/0]).
+
+a() -> [a,b,c].
+b() -> {a,b,c}.
diff --git a/erts/emulator/test/hipe_SUITE_data/ref_cell.erl b/erts/emulator/test/hipe_SUITE_data/ref_cell.erl
new file mode 100644
index 0000000000..2654e4077b
--- /dev/null
+++ b/erts/emulator/test/hipe_SUITE_data/ref_cell.erl
@@ -0,0 +1,64 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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(ref_cell).
+
+-export([start_link/0, start_link_deep/0, call/2]).
+
+-compile(native).
+
+-define(DEPTH, 100).
+-define(ALLOCS, 500).
+
+start_link() ->
+ spawn_link(fun() -> loop(undefined) end).
+
+start_link_deep() ->
+ spawn_link(fun() -> go_deep(?DEPTH) end).
+
+%% Create a stack large enough to get a graylimit trap placed next time there's
+%% a minor gc.
+go_deep(0) ->
+ alloc_some(?ALLOCS),
+ loop(undefined),
+ 0;
+go_deep(Depth) ->
+ go_deep(Depth-1)+1.
+
+%% Do some allocation to trigger a minor gc
+alloc_some(Amount) ->
+ Check = (Amount * (Amount + 1)) div 2,
+ Check = lists:sum(lists:seq(1, Amount)).
+
+call(Pid, Call) ->
+ Pid ! {Call, self()},
+ receive {Pid, Res} -> Res end.
+
+loop(Thing) ->
+ receive
+ {done, Pid} -> Pid ! {self(), done};
+ {{put_res_of, Fun}, Pid} ->
+ NewThing = Fun(),
+ Pid ! {self(), put},
+ loop(NewThing);
+ {get, Pid} ->
+ Pid ! {self(), Thing},
+ loop(Thing)
+ end.
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index b3870f0313..5af676c409 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -77,6 +77,7 @@
t_ets/1,
t_dets/1,
t_tracing/1,
+ t_hash_entropy/1,
%% instruction-level tests
t_has_map_fields/1,
@@ -140,6 +141,7 @@ all() -> [t_build_and_match_literals, t_build_and_match_literals_large,
t_pdict,
t_ets,
t_tracing,
+ t_hash_entropy,
%% instruction-level tests
t_has_map_fields,
@@ -3020,6 +3022,39 @@ do_badmap_17(Config) ->
id(I) -> I.
+%% OTP-13763
+t_hash_entropy(Config) when is_list(Config) ->
+ %% entropy bug in 18.3, 19.0
+ M1 = maps:from_list([{#{"id" => I}, ok}||I <- lists:seq(1,50000)]),
+
+ #{ #{"id" => 100} := ok,
+ #{"id" => 200} := ok,
+ #{"id" => 300} := ok,
+ #{"id" => 400} := ok,
+ #{"id" => 500} := ok,
+ #{"id" => 600} := ok,
+ #{"id" => 700} := ok,
+ #{"id" => 800} := ok,
+ #{"id" => 900} := ok,
+ #{"id" => 25061} := ok,
+ #{"id" => 39766} := ok } = M1,
+
+ M0 = maps:from_list([{I,ok}||I <- lists:seq(1,33)]),
+ M2 = maps:from_list([{M0#{"id" => I}, ok}||I <- lists:seq(1,50000)]),
+
+ ok = maps:get(M0#{"id" => 100}, M2),
+ ok = maps:get(M0#{"id" => 200}, M2),
+ ok = maps:get(M0#{"id" => 300}, M2),
+ ok = maps:get(M0#{"id" => 400}, M2),
+ ok = maps:get(M0#{"id" => 500}, M2),
+ ok = maps:get(M0#{"id" => 600}, M2),
+ ok = maps:get(M0#{"id" => 700}, M2),
+ ok = maps:get(M0#{"id" => 800}, M2),
+ ok = maps:get(M0#{"id" => 900}, M2),
+ ok = maps:get(M0#{"id" => 25061}, M2),
+ ok = maps:get(M0#{"id" => 39766}, M2),
+ ok.
+
%% OTP-13146
%% Provoke major GC with a lot of "fat" maps on external format in msg queue
%% causing heap fragments to be allocated.
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index ee07699884..a9814d7df9 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -83,6 +83,7 @@
bad_port_messages/1,
basic_ping/1,
cd/1,
+ cd_relative/1,
close_deaf_port/1,
count_fds/1,
dying_port/1,
@@ -91,6 +92,7 @@
exit_status/1,
exit_status_multi_scheduling_block/1,
huge_env/1,
+ pipe_limit_env/1,
input_only/1,
iter_max_ports/1,
line/1,
@@ -102,6 +104,7 @@
mon_port_name_demonitor/1,
mon_port_named/1,
mon_port_origin_dies/1,
+ mon_port_owner_dies/1,
mon_port_pid_demonitor/1,
mon_port_remote_on_remote/1,
mon_port_driver_die/1,
@@ -137,7 +140,7 @@
win_massive_client/1
]).
--export([do_iter_max_ports/2]).
+-export([do_iter_max_ports/2, relative_cd/0]).
%% Internal exports.
-export([tps/3]).
@@ -158,7 +161,7 @@ all() ->
{group, multiple_packets}, parallell, dying_port,
port_program_with_path, open_input_file_port,
open_output_file_port, name1, env, huge_env, bad_env, cd,
- bad_args,
+ cd_relative, pipe_limit_env, bad_args,
exit_status, iter_max_ports, count_fds, t_exit, {group, tps}, line,
stderr_to_stdout, otp_3906, otp_4389, win_massive,
mix_up_ports, otp_5112, otp_5119,
@@ -171,6 +174,7 @@ all() ->
mon_port_remote_on_remote,
mon_port_bad_remote_on_local,
mon_port_origin_dies,
+ mon_port_owner_dies,
mon_port_named,
mon_port_bad_named,
mon_port_pid_demonitor,
@@ -1002,6 +1006,55 @@ huge_env(Config) when is_list(Config) ->
ct:fail("Open port failed ~p:~p",[E,R])
end.
+%% Test to spawn program with command payload buffer
+%% just around pipe capacity (9f779819f6bda734c5953468f7798)
+pipe_limit_env(Config) when is_list(Config) ->
+ Cmd = "true",
+ CmdSize = command_payload_size(Cmd),
+ Limits = [4096, 16384, 65536], % Try a couple of common pipe buffer sizes
+
+ lists:foreach(fun(Lim) ->
+ lists:foreach(fun(L) -> pipe_limit_env_do(L, Cmd, CmdSize)
+ end, lists:seq(Lim-5, Lim+5))
+ end, Limits),
+ ok.
+
+pipe_limit_env_do(Bytes, Cmd, CmdSize) ->
+ case env_of_bytes(Bytes-CmdSize) of
+ [] -> skip;
+ Env ->
+ try erlang:open_port({spawn,Cmd},[exit_status, {env, Env}]) of
+ P ->
+ receive
+ {P, {exit_status,N}} = M ->
+ %% Bug caused exit_status 150 (EINVAL+128)
+ 0 = N
+ end
+ catch E:R ->
+ %% Have to catch the error here, as printing the stackdump
+ %% in the ct log is way to heavy for some test machines.
+ ct:fail("Open port failed ~p:~p",[E,R])
+ end
+ end.
+
+%% environ format: KEY=VALUE\0
+env_of_bytes(Bytes) when Bytes > 3 ->
+ Env = [{"X",lists:duplicate(Bytes-3, $x)}];
+env_of_bytes(_) -> [].
+
+%% White box assumption about payload written to pipe
+%% for Cmd and current environment (see spawn_start in sys_driver.c)
+command_payload_size(Cmd) ->
+ EnvSize = lists:foldl(fun(E,Acc) -> length(E) + 1 + Acc end,
+ 0, os:getenv()),
+ {ok, PWD} = file:get_cwd(),
+ (4 % buffsz
+ + 4 % flags
+ + 5 + length(Cmd) + 1 % "exec $Cmd"
+ + length(PWD) + 1 % $PWD
+ + 1 % nullbuff
+ + 4 % env_len
+ + EnvSize).
%% Test bad 'args' options.
bad_args(Config) when is_list(Config) ->
@@ -1036,8 +1089,7 @@ cd(Config) when is_list(Config) ->
Cmd = Program ++ " -pz " ++ DataDir ++
" -noshell -s port_test pwd -s erlang halt",
_ = open_port({spawn, Cmd},
- [{cd, TestDir},
- {line, 256}]),
+ [{cd, TestDir}, {line, 256}]),
receive
{_, {data, {eol, String}}} ->
case filename_equal(String, TestDir) of
@@ -1063,7 +1115,74 @@ cd(Config) when is_list(Config) ->
Other3 ->
ct:fail({env, Other3})
end,
- ok.
+
+ InvalidDir = filename:join(DataDir, "invaliddir"),
+ try open_port({spawn, Cmd},
+ [{cd, InvalidDir}, exit_status, {line, 256}]) of
+ _ ->
+ receive
+ {_, {exit_status, _}} ->
+ ok;
+ Other4 ->
+ ct:fail({env, Other4})
+ end
+ catch error:eacces ->
+ %% This happens on Windows
+ ok
+ end,
+
+ %% Check that there are no lingering messages
+ receive
+ Other5 ->
+ ct:fail({env, Other5})
+ after 10 ->
+ ok
+ end.
+
+%% Test that an emulator that has set it's cwd to
+%% something other then when it started, can use
+%% relative {cd,"./"} to open port and that cd will
+%% be relative the new cwd and not the original
+cd_relative(Config) ->
+
+ Program = atom_to_list(lib:progname()),
+ DataDir = proplists:get_value(data_dir, Config),
+ TestDir = filename:join(DataDir, "dir"),
+
+ Cmd = Program ++ " -pz " ++ filename:dirname(code:where_is_file("port_SUITE.beam")) ++
+ " -noshell -s port_SUITE relative_cd -s erlang halt",
+
+ _ = open_port({spawn, Cmd}, [{line, 256}, {cd, TestDir}]),
+
+ receive
+ {_, {data, {eol, String}}} ->
+ case filename_equal(String, TestDir) of
+ true ->
+ ok;
+ false ->
+ ct:fail({cd_relative, String})
+ end;
+ Other ->
+ ct:fail(Other)
+ end.
+
+relative_cd() ->
+
+ Program = atom_to_list(lib:progname()),
+ ok = file:set_cwd(".."),
+ {ok, Cwd} = file:get_cwd(),
+
+ Cmd = Program ++ " -pz " ++ Cwd ++
+ " -noshell -s port_test pwd -s erlang halt",
+
+ _ = open_port({spawn, Cmd}, [{line, 256}, {cd, "./dir"}, exit_status]),
+
+ receive
+ {_, {data, {eol, String}}} ->
+ io:format("~s~n",[String]);
+ Other ->
+ io:format("ERROR: ~p~n",[Other])
+ end.
filename_equal(A, B) ->
case os:type() of
@@ -2520,6 +2639,29 @@ mon_port_origin_dies(Config) ->
Port5 ! {self(), {command, <<"1">>}}, % make port quit
ok.
+%% Port and Monitor owner dies before port is closed
+%% This testcase checks for a regression memory leak in erts
+%% when the controlling and monitoring process is the same process
+%% and the process dies
+mon_port_owner_dies(Config) ->
+ Self = self(),
+ Proc = spawn(fun() ->
+ Port = create_port(Config, ["-h1", "-q"]),
+ Self ! {test_started, Port},
+ erlang:monitor(port, Port),
+ receive stop -> ok end
+ end),
+ erlang:monitor(process, Proc), % we want to sync with its death
+ Port = receive {test_started,P} -> P
+ after 1000 -> ?assert(false) end,
+ ?assertMatch({proc_monitors, true, port_monitored_by, true},
+ port_is_monitored(Proc, Port)),
+ Proc ! stop,
+ %% receive from monitor
+ receive ExitP5 -> ?assertMatch({'DOWN', _, process, Proc, _}, ExitP5)
+ after 1000 -> ?assert(false) end,
+ ok.
+
%% Monitor a named port
mon_port_named(Config) ->
Name6 = test_port6,
diff --git a/erts/emulator/test/trace_local_SUITE.erl b/erts/emulator/test/trace_local_SUITE.erl
index 74c05f24e0..c297acd78b 100644
--- a/erts/emulator/test/trace_local_SUITE.erl
+++ b/erts/emulator/test/trace_local_SUITE.erl
@@ -439,6 +439,14 @@ return_test() ->
?RT(?MODULE,slave,2),
shutdown(),
?NM,
+
+ %% Test a regression where turning off return_to tracing
+ %% on yourself would cause a segfault.
+ Pid = setup([call,return_to]),
+ erlang:trace_pattern({'_','_','_'},[],[local]),
+ apply_slave(erlang,trace,[Pid, false, [all]]),
+ shutdown(),
+
ok.
on_and_off_test() ->