diff options
Diffstat (limited to 'erts/emulator/test/port_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/port_SUITE.erl | 113 |
1 files changed, 77 insertions, 36 deletions
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index 4323849465..eb9b94a316 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2016. All Rights Reserved. +%% Copyright Ericsson AB 1997-2018. 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. @@ -86,6 +86,7 @@ cd_relative/1, close_deaf_port/1, count_fds/1, + dropped_commands/1, dying_port/1, env/1, eof/1, @@ -108,7 +109,6 @@ 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, @@ -153,12 +153,12 @@ suite() -> [{ct_hooks,[ts_install_cth]}, - {timetrap, {seconds, 10}}]. + {timetrap, {minutes, 1}}]. all() -> [otp_6224, {group, stream}, basic_ping, slow_writes, bad_packet, bad_port_messages, {group, options}, - {group, multiple_packets}, parallell, dying_port, + {group, multiple_packets}, parallell, dying_port, dropped_commands, port_program_with_path, open_input_file_port, open_output_file_port, name1, env, huge_env, bad_env, cd, cd_relative, pipe_limit_env, bad_args, @@ -179,8 +179,7 @@ all() -> mon_port_bad_named, mon_port_pid_demonitor, mon_port_name_demonitor, - mon_port_driver_die, - mon_port_driver_die_demonitor + mon_port_driver_die ]. groups() -> @@ -548,6 +547,47 @@ make_dying_port(Config) when is_list(Config) -> Command = lists:concat([PortTest, " -h0 -d -q"]), open_port({spawn, Command}, [stream]). +%% Test that dropped port_commands work correctly. +%% This used to cause a segfault. +%% +%% This testcase creates a port and then lets many processes +%% do parallel commands to it. After a while it closes the +%% port and we are trying to catch the race when doing a +%% command while the port is closing. +dropped_commands(Config) -> + %% Test with output callback + dropped_commands(Config, false, {self(), {command, "1"}}), + %% Test with outputv callback + dropped_commands(Config, true, {self(), {command, "1"}}). + +dropped_commands(Config, Outputv, Cmd) -> + Path = proplists:get_value(data_dir, Config), + os:putenv("ECHO_DRV_USE_OUTPUTV", atom_to_list(Outputv)), + ok = load_driver(Path, "echo_drv"), + [dropped_commands_test(Cmd) || _ <- lists:seq(1, 100)], + timer:sleep(100), + erl_ddll:unload_driver("echo_drv"), + os:unsetenv("ECHO_DRV_USE_OUTPUTV"), + ok. + +dropped_commands_test(Cmd) -> + spawn_monitor( + fun() -> + Port = erlang:open_port({spawn_driver, "echo_drv"}, + [{parallelism, true}]), + [spawn_link(fun() -> spin(Port, Cmd) end) || _ <- lists:seq(1,8)], + timer:sleep(5), + port_close(Port), + timer:sleep(5), + exit(nok) + end), + receive _M -> timer:sleep(5) end. + +spin(P, Cmd) -> + P ! Cmd, + spin(P, Cmd). + + %% Tests that port program with complete path (but without any %% .exe extension) can be started, even if there is a file with %% the same name but without the extension in the same directory. @@ -925,7 +965,7 @@ env_slave(File, Env) -> env_slave(File, Env, Body) -> file:write_file(File, term_to_binary(Body)), - Program = atom_to_list(lib:progname()), + Program = ct:get_progname(), Dir = filename:dirname(code:which(?MODULE)), Cmd = Program ++ " -pz " ++ Dir ++ " -noinput -run " ++ ?MODULE_STRING ++ " env_slave_main " ++ @@ -976,23 +1016,26 @@ try_bad_env(Env) -> %% Test that we can handle a very very large environment gracefully. huge_env(Config) when is_list(Config) -> ct:timetrap({minutes, 2}), - Vars = case os:type() of - {win32,_} -> 500; - _ -> - %% We create a huge environment, - %% 20000 variables is about 25MB - %% which seems to be the limit on Linux. - 20000 - end, + {Vars, Cmd} = case os:type() of + {win32,_} -> {500, "cmd /q /c ls"}; + _ -> + %% We create a huge environment, + %% 20000 variables is about 25MB + %% which seems to be the limit on Linux. + {20000, "ls"} + end, Env = [{[$a + I div (25*25*25*25) rem 25, $a + I div (25*25*25) rem 25, $a + I div (25*25) rem 25, $a+I div 25 rem 25, $a+I rem 25], lists:duplicate(100,$a+I rem 25)} || I <- lists:seq(1,Vars)], - try erlang:open_port({spawn,"ls"},[exit_status, {env, Env}]) of + try erlang:open_port({spawn,Cmd},[exit_status, {env, Env}]) of P -> receive + {P, {exit_status,N}} = M when N > 127-> + %% If exit status is > 127 something went very wrong + ct:fail("Open port failed got ~p",[M]); {P, {exit_status,N}} = M -> %% We test that the exit status is an integer, this means %% that the child program has started. If we get an atom @@ -1009,7 +1052,10 @@ huge_env(Config) when is_list(Config) -> %% Test to spawn program with command payload buffer %% just around pipe capacity (9f779819f6bda734c5953468f7798) pipe_limit_env(Config) when is_list(Config) -> - Cmd = "true", + Cmd = case os:type() of + {win32,_} -> "cmd /q /c true"; + _ -> "true" + end, CmdSize = command_payload_size(Cmd), Limits = [4096, 16384, 65536], % Try a couple of common pipe buffer sizes @@ -1026,7 +1072,7 @@ pipe_limit_env_do(Bytes, Cmd, CmdSize) -> try erlang:open_port({spawn,Cmd},[exit_status, {env, Env}]) of P -> receive - {P, {exit_status,N}} = M -> + {P, {exit_status,N}} -> %% Bug caused exit_status 150 (EINVAL+128) 0 = N end @@ -1039,7 +1085,7 @@ pipe_limit_env_do(Bytes, Cmd, CmdSize) -> %% environ format: KEY=VALUE\0 env_of_bytes(Bytes) when Bytes > 3 -> - Env = [{"X",lists:duplicate(Bytes-3, $x)}]; + [{"X",lists:duplicate(Bytes-3, $x)}]; env_of_bytes(_) -> []. %% White box assumption about payload written to pipe @@ -1083,7 +1129,7 @@ try_bad_args(Args) -> cd(Config) when is_list(Config) -> ct:timetrap({minutes, 1}), - Program = atom_to_list(lib:progname()), + Program = ct:get_progname(), DataDir = proplists:get_value(data_dir, Config), TestDir = filename:join(DataDir, "dir"), Cmd = Program ++ " -pz " ++ DataDir ++ @@ -1145,7 +1191,7 @@ cd(Config) when is_list(Config) -> %% be relative the new cwd and not the original cd_relative(Config) -> - Program = atom_to_list(lib:progname()), + Program = ct:get_progname(), DataDir = proplists:get_value(data_dir, Config), TestDir = filename:join(DataDir, "dir"), @@ -1168,7 +1214,7 @@ cd_relative(Config) -> relative_cd() -> - Program = atom_to_list(lib:progname()), + Program = ct:get_progname(), ok = file:set_cwd(".."), {ok, Cwd} = file:get_cwd(), @@ -1617,13 +1663,7 @@ spawn_executable(Config) when is_list(Config) -> [ExactFile2,"hello world","dlrow olleh"] = run_echo_args_2(unicode:characters_to_binary("\""++ExactFile2++"\" "++"\"hello world\" \"dlrow olleh\"")), - ExeExt = - case string:to_lower(lists:last(string:tokens(ExactFile2,"."))) of - "exe" -> - ".exe"; - _ -> - "" - end, + ExeExt = filename:extension(ExactFile2), Executable2 = "spoky name"++ExeExt, file:copy(ExactFile1,filename:join([SpaceDir,Executable2])), ExactFile3 = filename:nativename(filename:join([SpaceDir,Executable2])), @@ -1791,7 +1831,7 @@ collect_data(Port) -> end. parse_echo_args_output(Data) -> - [lists:last(string:tokens(S,"|")) || S <- string:tokens(Data,"\r\n")]. + [lists:last(string:lexemes(S,"|")) || S <- string:lexemes(Data,["\r\n",$\n])]. %% Test that the emulator does not mix up ports when the port table wraps mix_up_ports(Config) when is_list(Config) -> @@ -1917,7 +1957,7 @@ max_ports() -> erlang:system_info(port_limit). port_ix(Port) when is_port(Port) -> - ["#Port",_,PortIxStr] = string:tokens(erlang:port_to_list(Port), + ["#Port",_,PortIxStr] = string:lexemes(erlang:port_to_list(Port), "<.>"), list_to_integer(PortIxStr). @@ -2063,13 +2103,13 @@ exit_status_msb_test(Config, SleepSecs) when is_list(Config) -> StartedTime = (erlang:monotonic_time(microsecond) - Start)/1000000, io:format("StartedTime = ~p~n", [StartedTime]), true = StartedTime < SleepSecs, - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), lists:foreach(fun (P) -> receive {P, done} -> ok end end, Procs), DoneTime = (erlang:monotonic_time(microsecond) - Start)/1000000, io:format("DoneTime = ~p~n", [DoneTime]), true = DoneTime > SleepSecs, ok = verify_multi_scheduling_blocked(), - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), case {length(lists:usort(lists:flatten(SIds))), NoSchedsOnln} of {N, N} -> ok; @@ -2128,7 +2168,7 @@ ping(Config, Sizes, HSize, CmdLine, Options) -> %% Sizes = Size of packets to generated. %% HSize = Header size: 1, 2, or 4 %% CmdLine = Additional command line options. -%% Options = Addtional port options. +%% Options = Additional port options. expect_input(Config, Sizes, HSize, CmdLine, Options) -> expect_input1(Config, Sizes, {HSize, CmdLine, Options}, [], []). @@ -2289,7 +2329,7 @@ maybe_to_list(List) -> List. format({Eol,List}) -> - io_lib:format("tuple<~w,~s>",[Eol, maybe_to_list(List)]); + io_lib:format("tuple<~w,~w>",[Eol, maybe_to_list(List)]); format(List) when is_list(List) -> case list_at_least(50, List) of true -> @@ -2741,7 +2781,7 @@ mon_port_driver_die(Config) -> end, ok. - +-ifdef(DISABLED_TESTCASE). %% 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 @@ -2777,6 +2817,7 @@ mon_port_driver_die_demonitor(Config) -> after 5000 -> ?assert(false) end, ok. +-endif. %% @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 |