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-rw-r--r--erts/emulator/test/monitor_SUITE.erl12
-rw-r--r--erts/emulator/test/port_SUITE.erl434
-rw-r--r--erts/emulator/test/port_SUITE_data/Makefile.src2
-rw-r--r--erts/emulator/test/port_SUITE_data/sleep_failure_drv.c76
4 files changed, 443 insertions, 81 deletions
diff --git a/erts/emulator/test/monitor_SUITE.erl b/erts/emulator/test/monitor_SUITE.erl
index 8955e62df5..90d2bd8c5d 100644
--- a/erts/emulator/test/monitor_SUITE.erl
+++ b/erts/emulator/test/monitor_SUITE.erl
@@ -21,6 +21,7 @@
-module(monitor_SUITE).
-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
-export([all/0, suite/0, groups/0,
case_1/1, case_1a/1, case_2/1, case_2a/1, mon_e_1/1, demon_e_1/1, demon_1/1,
@@ -706,7 +707,7 @@ named_down(Config) when is_list(Config) ->
spawn_opt(fun () ->
WFun = fun
(F, hej) -> F(F, hopp);
-(F, hopp) -> F(F, hej)
+ (F, hopp) -> F(F, hej)
end,
NoSchedulers = erlang:system_info(schedulers_online),
lists:foreach(fun (_) ->
@@ -726,13 +727,14 @@ named_down(Config) when is_list(Config) ->
NamedProc = spawn_link(fun () ->
receive after infinity -> ok end
end),
- true = register(Name, NamedProc),
+ ?assertEqual(true, register(Name, NamedProc)),
unlink(NamedProc),
exit(NamedProc, bang),
Mon = erlang:monitor(process, Name),
- receive {'DOWN',Mon, _, _, _} -> ok end,
- true = register(Name, self()),
- true = unregister(Name),
+ receive {'DOWN',Mon, _, _, bang} -> ok
+ after 3000 -> ?assert(false) end,
+ ?assertEqual(true, register(Name, self())),
+ ?assertEqual(true, unregister(Name)),
process_flag(priority,Prio),
ok.
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 79abcbde5f..ee07699884 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -74,27 +74,68 @@
%%
--export([all/0, suite/0, groups/0,
- init_per_testcase/2, end_per_testcase/2,
- init_per_suite/1, end_per_suite/1,
- stream_small/1, stream_big/1,
- basic_ping/1, slow_writes/1, bad_packet/1, bad_port_messages/1,
- mul_basic/1, mul_slow_writes/1,
- dying_port/1, port_program_with_path/1,
- open_input_file_port/1, open_output_file_port/1,
- count_fds/1,
- iter_max_ports/1, eof/1, input_only/1, output_only/1,
- name1/1,
- t_binary/1, parallell/1, t_exit/1,
- env/1, huge_env/1, bad_env/1, cd/1, exit_status/1,
- bad_args/1,
- tps_16_bytes/1, tps_1K/1, line/1, stderr_to_stdout/1,
- otp_3906/1, otp_4389/1, win_massive/1, win_massive_client/1,
- mix_up_ports/1, otp_5112/1, otp_5119/1, otp_6224/1,
- exit_status_multi_scheduling_block/1, ports/1,
- spawn_driver/1, spawn_executable/1, close_deaf_port/1,
- port_setget_data/1,
- unregister_name/1, parallelism_option/1]).
+-export([all/0, suite/0, groups/0, init_per_testcase/2, end_per_testcase/2,
+ init_per_suite/1, end_per_suite/1]).
+-export([
+ bad_args/1,
+ bad_env/1,
+ bad_packet/1,
+ bad_port_messages/1,
+ basic_ping/1,
+ cd/1,
+ close_deaf_port/1,
+ count_fds/1,
+ dying_port/1,
+ env/1,
+ eof/1,
+ exit_status/1,
+ exit_status_multi_scheduling_block/1,
+ huge_env/1,
+ input_only/1,
+ iter_max_ports/1,
+ line/1,
+ mix_up_ports/1,
+ mon_port_invalid_type/1,
+ mon_port_bad_named/1,
+ mon_port_bad_remote_on_local/1,
+ mon_port_local/1,
+ mon_port_name_demonitor/1,
+ mon_port_named/1,
+ mon_port_origin_dies/1,
+ mon_port_pid_demonitor/1,
+ mon_port_remote_on_remote/1,
+ mon_port_driver_die/1,
+ mon_port_driver_die_demonitor/1,
+ mul_basic/1,
+ mul_slow_writes/1,
+ name1/1,
+ open_input_file_port/1,
+ open_output_file_port/1,
+ otp_3906/1,
+ otp_4389/1,
+ otp_5112/1,
+ otp_5119/1,
+ otp_6224/1,
+ output_only/1,
+ parallelism_option/1,
+ parallell/1,
+ port_program_with_path/1,
+ port_setget_data/1,
+ ports/1,
+ slow_writes/1,
+ spawn_driver/1,
+ spawn_executable/1,
+ stderr_to_stdout/1,
+ stream_big/1,
+ stream_small/1,
+ t_binary/1,
+ t_exit/1,
+ tps_16_bytes/1,
+ tps_1K/1,
+ unregister_name/1,
+ win_massive/1,
+ win_massive_client/1
+]).
-export([do_iter_max_ports/2]).
@@ -105,12 +146,13 @@
-include_lib("common_test/include/ct.hrl").
-include_lib("kernel/include/file.hrl").
+-include_lib("eunit/include/eunit.hrl").
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap, {seconds, 10}}].
-all() ->
+all() ->
[otp_6224, {group, stream}, basic_ping, slow_writes,
bad_packet, bad_port_messages, {group, options},
{group, multiple_packets}, parallell, dying_port,
@@ -123,14 +165,32 @@ all() ->
exit_status_multi_scheduling_block, ports, spawn_driver,
spawn_executable, close_deaf_port, unregister_name,
port_setget_data,
- parallelism_option].
-
-groups() ->
+ parallelism_option,
+ mon_port_invalid_type,
+ mon_port_local,
+ mon_port_remote_on_remote,
+ mon_port_bad_remote_on_local,
+ mon_port_origin_dies,
+ mon_port_named,
+ mon_port_bad_named,
+ mon_port_pid_demonitor,
+ mon_port_name_demonitor,
+ mon_port_driver_die,
+ mon_port_driver_die_demonitor
+ ].
+
+groups() ->
[{stream, [], [stream_small, stream_big]},
{options, [], [t_binary, eof, input_only, output_only]},
{multiple_packets, [], [mul_basic, mul_slow_writes]},
{tps, [], [tps_16_bytes, tps_1K]}].
+init_per_testcase(Case, Config) when Case =:= mon_port_driver_die;
+ Case =:= mon_port_driver_die_demonitor ->
+ case erlang:system_info(schedulers_online) of
+ 1 -> {skip, "Need 2 schedulers to run testcase"};
+ _ -> Config
+ end;
init_per_testcase(Case, Config) ->
[{testcase, Case} |Config].
@@ -160,7 +220,7 @@ do_win_massive() ->
ct:timetrap({minutes, 6}),
SuiteDir = filename:dirname(code:which(?MODULE)),
Ports = " +Q 8192",
- {ok, Node} =
+ {ok, Node} =
test_server:start_node(win_massive,
slave,
[{args, " -pa " ++ SuiteDir ++ Ports}]),
@@ -169,7 +229,7 @@ do_win_massive() ->
ok.
win_massive_client(N) ->
- {ok,P}=gen_tcp:listen(?WIN_MASSIVE_PORT,[{reuseaddr,true}]),
+ {ok,P}=gen_tcp:listen(?WIN_MASSIVE_PORT,[{reuseaddr,true}]),
L = win_massive_loop(P,N),
Len = length(L),
lists:foreach(fun(E) ->
@@ -278,7 +338,7 @@ bad_port_messages(Config) when is_list(Config) ->
bad_message(PortTest, {self(),{connect,no_pid}}),
ok.
-bad_message(PortTest, Message) ->
+bad_message(PortTest, Message) ->
P = open_port({spawn,PortTest}, []),
P ! Message,
receive
@@ -773,7 +833,7 @@ line(Config) when is_list(Config) ->
S1 = lists:flatten(io_lib:format("-l~w", [length(L1)])),
io:format("S1 = ~w, L1 = ~w~n", [S1,L1]),
port_expect(Config,[{L1,
- [{eol, Packet1}, {noeol, Packet2}, eof]}], 0,
+ [{eol, Packet1}, {noeol, Packet2}, eof]}], 0,
S1, [{line,Siz},eof]),
%% Test that lonely <CR> Don't get treated as newlines
port_expect(Config,[{lists:append([Packet1, [13], Packet2,
@@ -844,9 +904,9 @@ env(Config) when is_list(Config) ->
{"glurf","a glorfy string"}]),
%% A lot of non existing variables (mingled with existing)
- NotExistingList = [{lists:flatten(io_lib:format("V~p_not_existing",[X])),false}
+ NotExistingList = [{lists:flatten(io_lib:format("V~p_not_existing",[X])),false}
|| X <- lists:seq(1,150)],
- ExistingList = [{lists:flatten(io_lib:format("V~p_existing",[X])),"a_value"}
+ ExistingList = [{lists:flatten(io_lib:format("V~p_existing",[X])),"a_value"}
|| X <- lists:seq(1,150)],
env_slave(Temp, lists:sort(ExistingList ++ NotExistingList)),
ok.
@@ -1320,22 +1380,22 @@ spawn_driver(Config) when is_list(Config) ->
ok = load_driver(Path, "echo_drv"),
Port = erlang:open_port({spawn_driver, "echo_drv"}, []),
Port ! {self(), {command, "Hello port!"}},
- receive
- {Port, {data, "Hello port!"}} = Msg1 ->
+ receive
+ {Port, {data, "Hello port!"}} = Msg1 ->
io:format("~p~n", [Msg1]),
- ok;
+ ok;
Other ->
ct:fail({unexpected, Other})
end,
Port ! {self(), close},
receive {Port, closed} -> ok end,
- Port2 = erlang:open_port({spawn_driver, "echo_drv -Hello port?"},
+ Port2 = erlang:open_port({spawn_driver, "echo_drv -Hello port?"},
[]),
- receive
- {Port2, {data, "Hello port?"}} = Msg2 ->
+ receive
+ {Port2, {data, "Hello port?"}} = Msg2 ->
io:format("~p~n", [Msg2]),
- ok;
+ ok;
Other2 ->
ct:fail({unexpected2, Other2})
end,
@@ -1354,23 +1414,23 @@ parallelism_option(Config) when is_list(Config) ->
[{parallelism, true}]),
{parallelism, true} = erlang:port_info(Port, parallelism),
Port ! {self(), {command, "Hello port!"}},
- receive
- {Port, {data, "Hello port!"}} = Msg1 ->
+ receive
+ {Port, {data, "Hello port!"}} = Msg1 ->
io:format("~p~n", [Msg1]),
- ok;
+ ok;
Other ->
ct:fail({unexpected, Other})
end,
Port ! {self(), close},
receive {Port, closed} -> ok end,
- Port2 = erlang:open_port({spawn_driver, "echo_drv -Hello port?"},
+ Port2 = erlang:open_port({spawn_driver, "echo_drv -Hello port?"},
[{parallelism, false}]),
{parallelism, false} = erlang:port_info(Port2, parallelism),
- receive
- {Port2, {data, "Hello port?"}} = Msg2 ->
+ receive
+ {Port2, {data, "Hello port?"}} = Msg2 ->
io:format("~p~n", [Msg2]),
- ok;
+ ok;
Other2 ->
ct:fail({unexpected2, Other2})
end,
@@ -1389,20 +1449,20 @@ spawn_executable(Config) when is_list(Config) ->
["echo_args"] = run_echo_args(DataDir,[binary, "echo_args"]),
["echo_arguments"] = run_echo_args(DataDir,["echo_arguments"]),
["echo_arguments"] = run_echo_args(DataDir,[binary, "echo_arguments"]),
- [ExactFile1,"hello world","dlrow olleh"] =
+ [ExactFile1,"hello world","dlrow olleh"] =
run_echo_args(DataDir,[ExactFile1,"hello world","dlrow olleh"]),
[ExactFile1] = run_echo_args(DataDir,[default]),
[ExactFile1] = run_echo_args(DataDir,[binary, default]),
- [ExactFile1,"hello world","dlrow olleh"] =
+ [ExactFile1,"hello world","dlrow olleh"] =
run_echo_args(DataDir,[switch_order,ExactFile1,"hello world",
"dlrow olleh"]),
- [ExactFile1,"hello world","dlrow olleh"] =
+ [ExactFile1,"hello world","dlrow olleh"] =
run_echo_args(DataDir,[binary,switch_order,ExactFile1,"hello world",
"dlrow olleh"]),
[ExactFile1,"hello world","dlrow olleh"] =
run_echo_args(DataDir,[default,"hello world","dlrow olleh"]),
- [ExactFile1,"hello world","dlrow olleh"] =
+ [ExactFile1,"hello world","dlrow olleh"] =
run_echo_args_2("\""++ExactFile1++"\" "++"\"hello world\" \"dlrow olleh\""),
[ExactFile1,"hello world","dlrow olleh"] =
run_echo_args_2(unicode:characters_to_binary("\""++ExactFile1++"\" "++"\"hello world\" \"dlrow olleh\"")),
@@ -1418,7 +1478,7 @@ spawn_executable(Config) when is_list(Config) ->
[ExactFile2] = run_echo_args(SpaceDir,[]),
["echo_args"] = run_echo_args(SpaceDir,["echo_args"]),
["echo_arguments"] = run_echo_args(SpaceDir,["echo_arguments"]),
- [ExactFile2,"hello world","dlrow olleh"] =
+ [ExactFile2,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,[ExactFile2,"hello world","dlrow olleh"]),
[ExactFile2,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,[binary, ExactFile2,"hello world","dlrow olleh"]),
@@ -1429,16 +1489,16 @@ spawn_executable(Config) when is_list(Config) ->
run_echo_args(SpaceDir,[binary, ExactFile2,"hello \"world\"","\"dlrow\" olleh"]),
[ExactFile2] = run_echo_args(SpaceDir,[default]),
- [ExactFile2,"hello world","dlrow olleh"] =
+ [ExactFile2,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,[switch_order,ExactFile2,"hello world", "dlrow olleh"]),
- [ExactFile2,"hello world","dlrow olleh"] =
+ [ExactFile2,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,[default,"hello world","dlrow olleh"]),
- [ExactFile2,"hello world","dlrow olleh"] =
+ [ExactFile2,"hello world","dlrow olleh"] =
run_echo_args_2("\""++ExactFile2++"\" "++"\"hello world\" \"dlrow olleh\""),
[ExactFile2,"hello world","dlrow olleh"] =
run_echo_args_2(unicode:characters_to_binary("\""++ExactFile2++"\" "++"\"hello world\" \"dlrow olleh\"")),
- ExeExt =
+ ExeExt =
case string:to_lower(lists:last(string:tokens(ExactFile2,"."))) of
"exe" ->
".exe";
@@ -1452,17 +1512,17 @@ spawn_executable(Config) when is_list(Config) ->
[ExactFile3] = run_echo_args(SpaceDir,Executable2,[]),
["echo_args"] = run_echo_args(SpaceDir,Executable2,["echo_args"]),
["echo_arguments"] = run_echo_args(SpaceDir,Executable2,["echo_arguments"]),
- [ExactFile3,"hello world","dlrow olleh"] =
+ [ExactFile3,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,Executable2,[ExactFile3,"hello world","dlrow olleh"]),
[ExactFile3] = run_echo_args(SpaceDir,Executable2,[default]),
- [ExactFile3,"hello world","dlrow olleh"] =
+ [ExactFile3,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,Executable2,
[switch_order,ExactFile3,"hello world",
"dlrow olleh"]),
- [ExactFile3,"hello world","dlrow olleh"] =
+ [ExactFile3,"hello world","dlrow olleh"] =
run_echo_args(SpaceDir,Executable2,
[default,"hello world","dlrow olleh"]),
- [ExactFile3,"hello world","dlrow olleh"] =
+ [ExactFile3,"hello world","dlrow olleh"] =
run_echo_args_2("\""++ExactFile3++"\" "++"\"hello world\" \"dlrow olleh\""),
[ExactFile3,"hello world","dlrow olleh"] =
run_echo_args_2(unicode:characters_to_binary("\""++ExactFile3++"\" "++"\"hello world\" \"dlrow olleh\"")),
@@ -1510,11 +1570,11 @@ test_bat_file(Dir) ->
<<"\r\n">>],
file:write_file(Full,list_to_binary(D)),
EF = filename:basename(FN),
- [DN,"hello","world"] =
+ [DN,"hello","world"] =
run_echo_args(Dir,FN,
[default,"hello","world"]),
%% The arg0 argumant should be ignored when running batch files
- [DN,"hello","world"] =
+ [DN,"hello","world"] =
run_echo_args(Dir,FN,
["knaskurt","hello","world"]),
EF = filename:basename(DN),
@@ -1533,10 +1593,10 @@ test_sh_file(Dir) ->
<<"done\n">>],
file:write_file(Full,list_to_binary(D)),
chmodplusx(Full),
- [Full,"hello","world"] =
+ [Full,"hello","world"] =
run_echo_args(Dir,FN,
[default,"hello","world"]),
- [Full,"hello","world of spaces"] =
+ [Full,"hello","world of spaces"] =
run_echo_args(Dir,FN,
[default,"hello","world of spaces"]),
file:write_file(filename:join([Dir,"testfile1"]),<<"testdata1">>),
@@ -1544,7 +1604,7 @@ test_sh_file(Dir) ->
Pattern = filename:join([Dir,"testfile*"]),
L = filelib:wildcard(Pattern),
2 = length(L),
- [Full,"hello",Pattern] =
+ [Full,"hello",Pattern] =
run_echo_args(Dir,FN,
[default,"hello",Pattern]),
ok.
@@ -1620,10 +1680,10 @@ mix_up_ports(Config) when is_list(Config) ->
ok = load_driver(Path, "echo_drv"),
Port = erlang:open_port({spawn, "echo_drv"}, []),
Port ! {self(), {command, "Hello port!"}},
- receive
- {Port, {data, "Hello port!"}} = Msg1 ->
+ receive
+ {Port, {data, "Hello port!"}} = Msg1 ->
io:format("~p~n", [Msg1]),
- ok;
+ ok;
Other ->
ct:fail({unexpected, Other})
end,
@@ -1631,7 +1691,7 @@ mix_up_ports(Config) when is_list(Config) ->
receive {Port, closed} -> ok end,
loop(start, done,
fun(P) ->
- Q =
+ Q =
(catch erlang:open_port({spawn, "echo_drv"}, [])),
%% io:format("~p ", [Q]),
if is_port(Q) ->
@@ -1642,7 +1702,7 @@ mix_up_ports(Config) when is_list(Config) ->
end
end),
Port ! {self(), {command, "Hello again port!"}},
- receive
+ receive
Msg2 ->
ct:fail({unexpected, Msg2})
after 1000 ->
@@ -1802,7 +1862,7 @@ exit_status_msb_test(Config, SleepSecs) when is_list(Config) ->
%% We want to start port programs from as many schedulers as possible
%% and we want these port programs to terminate while multi-scheduling
%% is blocked.
- %%
+ %%
NoSchedsOnln = erlang:system_info(schedulers_online),
Parent = self(),
io:format("SleepSecs = ~p~n", [SleepSecs]),
@@ -2214,7 +2274,7 @@ ports_snapshots(0, _, _) ->
ok;
ports_snapshots(Iter, TrafficPid, OtherPorts) ->
- TrafficPid ! start,
+ TrafficPid ! start,
receive after 1 -> ok end,
Snapshot = erlang:ports(),
@@ -2243,7 +2303,7 @@ ports_traffic_stopped(MaxPorts, {PortList, PortCnt}) ->
end.
ports_traffic_started(MaxPorts, {PortList, PortCnt}, EventList) ->
- receive
+ receive
{Pid, stop} ->
%%io:format("Traffic stopped in ~p\n",[self()]),
Pid ! {self(), EventList, PortList},
@@ -2256,7 +2316,7 @@ ports_traffic_started(MaxPorts, {PortList, PortCnt}, EventList) ->
ports_traffic_do(MaxPorts, {PortList, PortCnt}, EventList) ->
N = uniform(MaxPorts),
case N > PortCnt of
- true -> % Open port
+ true -> % Open port
P = open_port({spawn, "exit_drv"}, []),
%%io:format("Created port ~p\n",[P]),
ports_traffic_started(MaxPorts, {[P|PortList], PortCnt+1},
@@ -2270,7 +2330,7 @@ ports_traffic_do(MaxPorts, {PortList, PortCnt}, EventList) ->
[{close,P}|EventList])
end.
-ports_verify(Ports, PortsAfter, EventList) ->
+ports_verify(Ports, PortsAfter, EventList) ->
%%io:format("Candidate=~p\nEvents=~p\n", [PortsAfter, EventList]),
case lists:sort(Ports) =:= lists:sort(PortsAfter) of
true ->
@@ -2280,10 +2340,10 @@ ports_verify(Ports, PortsAfter, EventList) ->
%% Note that we track the event list "backwards", undoing open/close:
case EventList of
[{open,P} | Tail] ->
- ports_verify(Ports, lists:delete(P,PortsAfter), Tail);
+ ports_verify(Ports, lists:delete(P,PortsAfter), Tail);
[{close,P} | Tail] ->
- ports_verify(Ports, [P | PortsAfter], Tail);
+ ports_verify(Ports, [P | PortsAfter], Tail);
[] ->
ct:fail("Inconsistent snapshot from erlang:ports()")
@@ -2391,3 +2451,227 @@ wait_until(Fun) ->
receive after 100 -> ok end,
wait_until(Fun)
end.
+
+%% Attempt to monitor pid as port, and port as pid
+mon_port_invalid_type(_Config) ->
+ Port = hd(erlang:ports()),
+ ?assertError(badarg, erlang:monitor(port, self())),
+ ?assertError(badarg, erlang:monitor(process, Port)),
+ ok.
+
+%% With local port
+mon_port_local(Config) ->
+ Port1 = create_port(Config, ["-h1", "-q"]), % will close after we send 1 byte
+ Ref1 = erlang:monitor(port, Port1),
+ ?assertMatch({proc_monitors, true, port_monitored_by, true},
+ port_is_monitored(self(), Port1)),
+ Port1 ! {self(), {command, <<"1">>}}, % port test will close self immediately
+ receive ExitP1 -> ?assertMatch({'DOWN', Ref1, port, Port1, _}, ExitP1)
+ after 1000 -> ?assert(false) end,
+ ?assertMatch({proc_monitors, false, port_monitored_by, false},
+ port_is_monitored(self(), Port1)),
+
+ %% Trying to re-monitor a port which exists but is not healthy will
+ %% succeed but then will immediately send DOWN
+ Ref2 = erlang:monitor(port, Port1),
+ receive ExitP2 -> ?assertMatch({'DOWN', Ref2, port, Port1, _}, ExitP2)
+ after 1000 -> ?assert(false) end,
+ ok.
+
+%% With remote port on remote node (should fail)
+mon_port_remote_on_remote(_Config) ->
+ Port3 = binary_to_term(<<131, 102, % Ext term format: PORT_EXT
+ 100, 0, 13, "fgsfds@fgsfds", % Node :: ATOM_EXT
+ 1:32/big, % Id
+ 0>>), % Creation
+ ?assertError(badarg, erlang:monitor(port, Port3)),
+ ok.
+
+%% Remote port belongs to this node and does not exist
+%% Port4 produces #Port<0.167772160> which should not exist in a test run
+mon_port_bad_remote_on_local(_Config) ->
+ Port4 = binary_to_term(<<131, 102, % Ext term format: PORT_EXT
+ 100, 0, 13, "nonode@nohost", % Node
+ 167772160:32/big, % Id
+ 0>>), % Creation
+ ?assertError(badarg, erlang:monitor(port, Port4)),
+ ok.
+
+%% Monitor owner (origin) dies before port is closed
+mon_port_origin_dies(Config) ->
+ Port5 = create_port(Config, ["-h1", "-q"]), % will close after we send 1 byte
+ Self5 = self(),
+ Proc5 = spawn(fun() ->
+ Self5 ! test5_started,
+ erlang:monitor(port, Port5),
+ receive stop -> ok end
+ end),
+ erlang:monitor(process, Proc5), % we want to sync with its death
+ receive test5_started -> ok
+ after 1000 -> ?assert(false) end,
+ ?assertMatch({proc_monitors, true, port_monitored_by, true},
+ port_is_monitored(Proc5, Port5)),
+ Proc5 ! stop,
+ % receive from monitor (removing race condition)
+ receive ExitP5 -> ?assertMatch({'DOWN', _, process, Proc5, _}, ExitP5)
+ after 1000 -> ?assert(false) end,
+ ?assertMatch({proc_monitors, false, port_monitored_by, false},
+ port_is_monitored(Proc5, Port5)),
+ Port5 ! {self(), {command, <<"1">>}}, % make port quit
+ ok.
+
+%% Monitor a named port
+mon_port_named(Config) ->
+ Name6 = test_port6,
+ Port6 = create_port(Config, ["-h1", "-q"]), % will close after we send 1 byte
+ erlang:register(Name6, Port6),
+ erlang:monitor(port, Name6),
+ ?assertMatch({proc_monitors, true, port_monitored_by, true},
+ port_is_monitored(self(), Name6)),
+ Port6 ! {self(), {command, <<"1">>}}, % port test will close self immediately
+ receive ExitP6 -> ?assertMatch({'DOWN', _, port, {Name6, _}, _}, ExitP6)
+ after 1000 -> ?assert(false) end,
+ ?assertMatch({proc_monitors, false, port_monitored_by, false},
+ port_is_monitored(self(), Name6)),
+ ok.
+
+%% Named does not exist: Should succeed but immediately send 'DOWN'
+mon_port_bad_named(_Config) ->
+ Name7 = test_port7,
+ erlang:monitor(port, Name7),
+ receive {'DOWN', _, port, {Name7, _}, noproc} -> ok
+ after 1000 -> ?assert(false) end,
+ ok.
+
+%% Monitor a pid and demonitor by ref
+mon_port_pid_demonitor(Config) ->
+ Port8 = create_port(Config, ["-h1", "-q"]), % will close after we send 1 byte
+ Ref8 = erlang:monitor(port, Port8),
+ ?assertMatch({proc_monitors, true, port_monitored_by, true},
+ port_is_monitored(self(), Port8)),
+ erlang:demonitor(Ref8),
+ ?assertMatch({proc_monitors, false, port_monitored_by, false},
+ port_is_monitored(self(), Port8)),
+ Port8 ! {self(), {command, <<"1">>}}, % port test will close self immediately
+ ok.
+
+%% Monitor by name and demonitor by ref
+mon_port_name_demonitor(Config) ->
+ Name9 = test_port9,
+ Port9 = create_port(Config, ["-h1", "-q"]), % will close after we send 1 byte
+ erlang:register(Name9, Port9),
+ Ref9 = erlang:monitor(port, Name9),
+ ?assertMatch({proc_monitors, true, port_monitored_by, true},
+ port_is_monitored(self(), Name9)),
+ erlang:demonitor(Ref9),
+ ?assertMatch({proc_monitors, false, port_monitored_by, false},
+ port_is_monitored(self(), Name9)),
+ Port9 ! {self(), {command, <<"1">>}}, % port test will close self immediately
+ ok.
+
+%% 1. Spawn a port which will sleep 3 seconds
+%% 2. Port driver and dies horribly (via C driver_failure call). This should
+%% mark port as exiting or something.
+%% 3. While the command happens, a monitor is requested on the port
+mon_port_driver_die(Config) ->
+ erlang:process_flag(scheduler, 1),
+
+ Path = proplists:get_value(data_dir, Config),
+ ok = load_driver(Path, "sleep_failure_drv"),
+ Port = open_port({spawn, "sleep_failure_drv"}, []),
+
+ Self = self(),
+ erlang:spawn_opt(fun() ->
+ timer:sleep(250),
+ Ref = erlang:monitor(port, Port),
+ %% Now check that msg actually arrives
+ receive
+ {'DOWN', Ref, _Port2, _, _} = M -> Self ! M
+ after 3000 -> Self ! no_down_message
+ end
+ end,[{scheduler, 2}]),
+ Port ! {self(), {command, "Fail, please!"}},
+ receive
+ A when is_atom(A) -> ?assertEqual(A, 'A_should_be_printed');
+ {'DOWN', _R, port, Port, noproc} -> ok;
+ {'DOWN', _R, _P, _, _} = M -> ct:fail({got_wrong_down,M})
+ after 5000 -> ?assert(false)
+ end,
+ ok.
+
+
+%% 1. Spawn a port which will sleep 3 seconds
+%% 2. Monitor port
+%% 3. Port driver and dies horribly (via C driver_failure call). This should
+%% mark port as exiting or something.
+%% 4. While the command happens, a demonitor is requested on the port
+mon_port_driver_die_demonitor(Config) ->
+ erlang:process_flag(scheduler, 1),
+
+ Path = proplists:get_value(data_dir, Config),
+ ok = load_driver(Path, "sleep_failure_drv"),
+ Port = open_port({spawn, "sleep_failure_drv"}, []),
+
+ Self = self(),
+ erlang:spawn_opt(
+ fun() ->
+ Ref = erlang:monitor(port, Port),
+ Self ! Ref,
+ timer:sleep(250),
+ erlang:demonitor(Ref),
+ %% Now check that msg still arrives,
+ %% the demon should have arrived after
+ %% the port exited
+ receive
+ {'DOWN', Ref, _Port2, _, _} = M -> Self ! M
+ after 3000 -> Self ! no_down_message
+ end
+ end,[{scheduler, 2}]),
+ Ref = receive R -> R end,
+ Port ! {self(), {command, "Fail, please!"}},
+ receive
+ {'DOWN', Ref, port, Port, normal} -> ok;
+ {'DOWN', _R, _P, _, _} = M -> ct:fail({got_wrong_down,M})
+ after 5000 -> ?assert(false)
+ end,
+ ok.
+
+%% @doc Makes a controllable port for testing. Underlying mechanism of this
+%% port is not important, only important is our ability to close/kill it or
+%% have it monitored.
+create_port(Config, Args) ->
+ DataDir = ?config(data_dir, Config),
+ %% Borrow port test utility from port SUITE
+ Program = filename:join([DataDir, "port_test"]),
+ erlang:open_port({spawn_executable, Program}, [{args, Args}]).
+
+%% @doc Checks if process Pid exists, and if so, if its monitoring (or not)
+%% the Port (or if port doesn't exist, we assume answer is no).
+port_is_monitored(Pid, Port) when is_pid(Pid), is_port(Port) ->
+ %% Variant for when port is a port id (port())
+ A = case erlang:process_info(Pid, monitors) of
+ undefined -> false;
+ {monitors, ProcMTargets} -> lists:member({port, Port}, ProcMTargets)
+ end,
+ B = case erlang:port_info(Port, monitored_by) of
+ undefined -> false;
+ {monitored_by, PortMonitors} -> lists:member(Pid, PortMonitors)
+ end,
+ {proc_monitors, A, port_monitored_by, B};
+port_is_monitored(Pid, PortName) when is_pid(Pid), is_atom(PortName) ->
+ %% Variant for when port is an atom
+ A = case erlang:process_info(Pid, monitors) of
+ undefined -> false;
+ {monitors, ProcMTargets} ->
+ lists:member({port, {PortName, node()}}, ProcMTargets)
+ end,
+ B = case erlang:whereis(PortName) of
+ undefined -> false; % name is not registered or is dead
+ PortId ->
+ case erlang:port_info(PortId, monitored_by) of
+ undefined -> false; % is dead
+ {monitored_by, PortMonitors} ->
+ lists:member(Pid, PortMonitors)
+ end
+ end,
+ {proc_monitors, A, port_monitored_by, B}.
diff --git a/erts/emulator/test/port_SUITE_data/Makefile.src b/erts/emulator/test/port_SUITE_data/Makefile.src
index ff822ae720..fb7685c4b6 100644
--- a/erts/emulator/test/port_SUITE_data/Makefile.src
+++ b/erts/emulator/test/port_SUITE_data/Makefile.src
@@ -4,7 +4,7 @@ CFLAGS = @CFLAGS@ -I@erl_include@ @DEFS@
CROSSLDFLAGS = @CROSSLDFLAGS@
PROGS = port_test@exe@ echo_args@exe@ dead_port@exe@
-DRIVERS = echo_drv@dll@ exit_drv@dll@ failure_drv@dll@
+DRIVERS = echo_drv@dll@ exit_drv@dll@ failure_drv@dll@ sleep_failure_drv@dll@
all: $(PROGS) $(DRIVERS) port_test.@EMULATOR@
diff --git a/erts/emulator/test/port_SUITE_data/sleep_failure_drv.c b/erts/emulator/test/port_SUITE_data/sleep_failure_drv.c
new file mode 100644
index 0000000000..1f52646572
--- /dev/null
+++ b/erts/emulator/test/port_SUITE_data/sleep_failure_drv.c
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include "erl_driver.h"
+#ifdef __WIN32__
+# include <windows.h>
+#else
+# include <unistd.h>
+#endif
+
+typedef struct _erl_drv_data FailureDrvData;
+
+static FailureDrvData *failure_drv_start(ErlDrvPort, char *);
+static void failure_drv_stop(FailureDrvData *);
+static void failure_drv_output(ErlDrvData, char *, ErlDrvSizeT);
+static void failure_drv_finish(void);
+
+static ErlDrvEntry failure_drv_entry = {
+ NULL, /* init */
+ failure_drv_start,
+ failure_drv_stop,
+ failure_drv_output,
+ NULL, /* ready_input */
+ NULL, /* ready_output */
+ "sleep_failure_drv",
+ NULL, /* finish */
+ NULL, /* handle */
+ NULL, /* control */
+ NULL, /* timeout */
+ NULL, /* outputv */
+ NULL, /* ready_async */
+ NULL,
+ NULL,
+ NULL,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+};
+
+
+
+/* -------------------------------------------------------------------------
+** Entry functions
+**/
+
+DRIVER_INIT(failure_drv)
+{
+ return &failure_drv_entry;
+}
+
+static FailureDrvData *failure_drv_start(ErlDrvPort port, char *command) {
+ void *void_ptr;
+
+ return void_ptr = port;
+}
+
+static void failure_drv_stop(FailureDrvData *data_p) {
+}
+
+static void failure_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) {
+ FailureDrvData *data_p = (FailureDrvData *) drv_data;
+ void *void_ptr;
+ ErlDrvPort port = void_ptr = data_p;
+
+#ifdef __WIN32__
+ Sleep(3000);
+#else
+ sleep(3);
+#endif
+ driver_failure(port, 0);
+}
+
+static void failure_drv_finish() {
+}
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