diff options
Diffstat (limited to 'erts/emulator/test/port_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/port_SUITE.erl | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index b9100738e4..7fe532abd0 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -88,7 +88,7 @@ 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, + spawn_driver/1, spawn_executable/1, close_deaf_port/1, unregister_name/1]). -export([]). @@ -113,7 +113,7 @@ all(suite) -> otp_3906, otp_4389, win_massive, mix_up_ports, otp_5112, otp_5119, exit_status_multi_scheduling_block, - ports, spawn_driver, spawn_executable, + ports, spawn_driver, spawn_executable, close_deaf_port, unregister_name ]. @@ -878,12 +878,20 @@ env2(Config) -> "nisse" = os:getenv(Long) end), - + ?line env_slave(Temp, [{"must_define_something","some_value"}, - {"certainly_not_existing",false}, + {"certainly_not_existing",false}, + {"ends_with_equal", "value="}, {Long,false}, {"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} + || X <- lists:seq(1,150)], + ExistingList = [{lists:flatten(io_lib:format("V~p_existing",[X])),"a_value"} + || X <- lists:seq(1,150)], + ?line env_slave(Temp, lists:sort(ExistingList ++ NotExistingList)), + ?line test_server:timetrap_cancel(Dog), ok. @@ -2292,3 +2300,37 @@ load_driver(Dir, Driver) -> io:format("~s\n", [erl_ddll:format_error(Error)]), Res end. + + +close_deaf_port(doc) -> ["Send data to port program that does not read it, then close port." + "Primary targeting Windows to test threaded_handle_closer in sys.c"]; +close_deaf_port(suite) -> []; +close_deaf_port(Config) when is_list(Config) -> + ?line Dog = test_server:timetrap(test_server:seconds(100)), + ?line DataDir = ?config(data_dir, Config), + ?line DeadPort = os:find_executable("dead_port", DataDir), + ?line Port = open_port({spawn,DeadPort++" 60"},[]), + ?line erlang:port_command(Port,"Hello, can you hear me!?!?"), + ?line port_close(Port), + + Res = close_deaf_port_1(0, DeadPort), + io:format("Waiting for OS procs to terminate...\n"), + receive after 5*1000 -> ok end, + ?line test_server:timetrap_cancel(Dog), + Res. + +close_deaf_port_1(1000, _) -> + ok; +close_deaf_port_1(N, Cmd) -> + Timeout = integer_to_list(random:uniform(5*1000)), + ?line try open_port({spawn_executable,Cmd},[{args,[Timeout]}]) of + Port -> + ?line erlang:port_command(Port,"Hello, can you hear me!?!?"), + ?line port_close(Port), + close_deaf_port_1(N+1, Cmd) + catch + _:eagain -> + {comment, "Could not spawn more than " ++ integer_to_list(N) ++ " OS processes."} + end. + + |