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-rw-r--r--erts/emulator/test/busy_port_SUITE.erl30
-rw-r--r--erts/emulator/test/ddll_SUITE.erl2
-rw-r--r--erts/emulator/test/port_SUITE.erl84
3 files changed, 66 insertions, 50 deletions
diff --git a/erts/emulator/test/busy_port_SUITE.erl b/erts/emulator/test/busy_port_SUITE.erl
index 3a29fd4d68..32e907ca69 100644
--- a/erts/emulator/test/busy_port_SUITE.erl
+++ b/erts/emulator/test/busy_port_SUITE.erl
@@ -148,9 +148,9 @@ message_order(Config) when is_list(Config) ->
send_to_busy_1(Parent) ->
{Owner, Slave} = get_slave(),
- Slave ! {Owner, {command, "set_me_busy"}},
- Slave ! {Owner, {command, "hello"}},
- Slave ! {Owner, {command, "hello again"}},
+ (catch port_command(Slave, "set_me_busy")),
+ (catch port_command(Slave, "hello")),
+ (catch port_command(Slave, "hello again")),
receive
Message ->
Parent ! {self(), Message}
@@ -193,10 +193,10 @@ system_monitor(Config) when is_list(Config) ->
?line Busy =
spawn_link(
fun() ->
- Slave ! {Owner,{command,"set busy"}},
+ (catch port_command(Slave, "set busy")),
receive {Parent,alpha} -> ok end,
- Slave ! {Owner,{command,"busy"}},
- Slave ! {Owner,{command,"free"}},
+ (catch port_command(Slave, "busy")),
+ (catch port_command(Slave, "free")),
Parent ! {self(),alpha},
command(lock),
receive {Parent,beta} -> ok end,
@@ -212,7 +212,7 @@ system_monitor(Config) when is_list(Config) ->
?line Void = rec(Void),
?line Busy ! {self(), beta},
?line {monitor,Owner,busy_port,Slave} = rec(Void),
- ?line Master ! {Owner, {command, "u"}},
+ ?line port_command(Master, "u"),
?line {Busy,beta} = rec(Void),
?line Void = rec(Void),
?line _NewMonitor = erlang:system_monitor(OldMonitor),
@@ -296,9 +296,9 @@ no_trap_exit_process(ResultTo, Link, Config) ->
linked -> ok;
unlink -> unlink(Slave)
end,
- ?line Slave ! {self(), {command, "lock port"}},
+ ?line (catch port_command(Slave, "lock port")),
?line ResultTo ! {self(), port_created, Slave},
- ?line Slave ! {self(), {command, "suspend me"}},
+ ?line (catch port_command(Slave, "suspend me")),
ok.
%% Assuming the following scenario,
@@ -339,9 +339,9 @@ busy_port_exit_process(ResultTo, Config) ->
?line load_busy_driver(Config),
?line _Master = open_port({spawn, "busy_drv master"}, [eof]),
?line Slave = open_port({spawn, "busy_drv slave"}, [eof]),
- ?line Slave ! {self(), {command, "lock port"}},
+ ?line (catch port_command(Slave, "lock port")),
?line ResultTo ! {self(), port_created, Slave},
- ?line Slave ! {self(), {command, "suspend me"}},
+ ?line (catch port_command(Slave, "suspend me")),
receive
{'EXIT', Slave, die} ->
ResultTo ! {self(), ok};
@@ -383,8 +383,8 @@ multiple_writers(Config) when is_list(Config) ->
quick_writer() ->
{Owner, Port} = get_slave(),
- Port ! {Owner, {command, "port to busy"}},
- Port ! {Owner, {command, "lock me"}},
+ (catch port_command(Port, "port to busy")),
+ (catch port_command(Port, "lock me")),
ok.
hard_busy_driver(Config) when is_list(Config) ->
@@ -644,11 +644,11 @@ loop(Master, Slave) ->
Pid ! {busy_drv_reply, {self(), Slave}},
loop(Master, Slave);
{Pid, unlock} ->
- Master ! {self(), {command, "u"}},
+ port_command(Master, "u"),
Pid ! {busy_drv_reply, ok},
loop(Master, Slave);
{Pid, lock} ->
- Master ! {self(), {command, "l"}},
+ port_command(Master, "l"),
Pid ! {busy_drv_reply, ok},
loop(Master, Slave);
{Pid, {port_command,Data}} ->
diff --git a/erts/emulator/test/ddll_SUITE.erl b/erts/emulator/test/ddll_SUITE.erl
index 6e15c228cd..4675cab15c 100644
--- a/erts/emulator/test/ddll_SUITE.erl
+++ b/erts/emulator/test/ddll_SUITE.erl
@@ -136,8 +136,8 @@ delayed_unload_with_ports(Config) when is_list(Config) ->
?line {ok,pending_driver,Ref} = erl_ddll:try_unload(echo_drv,[{monitor, pending_driver}]),
?line ok = receive _ -> false after 0 -> ok end,
?line Port ! {self(), close},
- ?line 1 = erl_ddll:info(echo_drv, port_count),
?line ok = receive {Port,closed} -> ok after 1000 -> false end,
+ ?line 1 = erl_ddll:info(echo_drv, port_count),
?line Port2 ! {self(), close},
?line ok = receive {Port2,closed} -> ok after 1000 -> false end,
?line ok = receive {'DOWN', Ref, driver, echo_drv, unloaded} -> ok after 1000 -> false end,
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl
index 0a1ef5a78f..b00e7f0b59 100644
--- a/erts/emulator/test/port_SUITE.erl
+++ b/erts/emulator/test/port_SUITE.erl
@@ -90,7 +90,7 @@
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,
- unregister_name/1]).
+ unregister_name/1, parallelism_option/1]).
-export([]).
@@ -114,7 +114,8 @@ all() ->
stderr_to_stdout, otp_3906, otp_4389, win_massive,
mix_up_ports, otp_5112, otp_5119,
exit_status_multi_scheduling_block, ports, spawn_driver,
- spawn_executable, close_deaf_port, unregister_name].
+ spawn_executable, close_deaf_port, unregister_name,
+ parallelism_option].
groups() ->
[{stream, [], [stream_small, stream_big]},
@@ -1364,6 +1365,43 @@ spawn_driver(Config) when is_list(Config) ->
?line test_server:timetrap_cancel(Dog),
ok.
+parallelism_option(suite) ->
+ [];
+parallelism_option(doc) ->
+ ["Test parallelism option of open_port"];
+parallelism_option(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(10)),
+ ?line Path = ?config(data_dir, Config),
+ ?line ok = load_driver(Path, "echo_drv"),
+ ?line Port = erlang:open_port({spawn_driver, "echo_drv"},
+ [{parallelism, true}]),
+ ?line {parallelism, true} = erlang:port_info(Port, parallelism),
+ ?line Port ! {self(), {command, "Hello port!"}},
+ ?line receive
+ {Port, {data, "Hello port!"}} = Msg1 ->
+ io:format("~p~n", [Msg1]),
+ ok;
+ Other ->
+ test_server:fail({unexpected, Other})
+ end,
+ ?line Port ! {self(), close},
+ ?line receive {Port, closed} -> ok end,
+
+ ?line Port2 = erlang:open_port({spawn_driver, "echo_drv -Hello port?"},
+ [{parallelism, false}]),
+ ?line {parallelism, false} = erlang:port_info(Port2, parallelism),
+ ?line receive
+ {Port2, {data, "Hello port?"}} = Msg2 ->
+ io:format("~p~n", [Msg2]),
+ ok;
+ Other2 ->
+ test_server:fail({unexpected2, Other2})
+ end,
+ ?line Port2 ! {self(), close},
+ ?line receive {Port2, closed} -> ok end,
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
spawn_executable(suite) ->
[];
spawn_executable(doc) ->
@@ -1632,6 +1670,7 @@ otp_5112(Config) when is_list(Config) ->
?line ?t:format("Links1: ~p~n",[Links1]),
?line true = lists:member(Port, Links1),
?line Port ! {self(), {command, ""}},
+ ?line wait_until(fun () -> lists:member(Port, erlang:ports()) == false end),
?line {links, Links2} = process_info(self(),links),
?line ?t:format("Links2: ~p~n",[Links2]),
?line false = lists:member(Port, Links2), %% This used to fail
@@ -1703,38 +1742,8 @@ otp_5119_fill_empty_port_tab(Ports) ->
?line LastPort
end.
--define(DEF_MAX_PORTS, 1024).
-
-max_ports_env() ->
- ?line case os:getenv("ERL_MAX_PORTS") of
- EMP when is_list(EMP) ->
- case catch list_to_integer(EMP) of
- Int when is_integer(Int) -> ?line Int;
- _ -> ?line false
- end;
- _ -> ?line false
- end.
-
max_ports() ->
- ?line PreMaxPorts
- = case max_ports_env() of
- Env when is_integer(Env) -> ?line Env;
- _ ->
- ?line case os:type() of
- {unix, _} ->
- ?line UlimStr = string:strip(os:cmd("ulimit -n")
- -- "\n"),
- ?line case catch list_to_integer(UlimStr) of
- Ulim when is_integer(Ulim) -> ?line Ulim;
- _ -> ?line ?DEF_MAX_PORTS
- end;
- _ -> ?line ?DEF_MAX_PORTS
- end
- end,
- ?line case PreMaxPorts > ?DEF_MAX_PORTS of
- true -> ?line PreMaxPorts;
- false -> ?line ?DEF_MAX_PORTS
- end.
+ erlang:system_info(port_limit).
port_ix(Port) when is_port(Port) ->
?line ["#Port",_,PortIxStr] = string:tokens(erlang:port_to_list(Port),
@@ -2344,5 +2353,12 @@ close_deaf_port_1(N, Cmd) ->
_:eagain ->
{comment, "Could not spawn more than " ++ integer_to_list(N) ++ " OS processes."}
end.
-
+wait_until(Fun) ->
+ case catch Fun() of
+ true ->
+ ok;
+ _ ->
+ receive after 100 -> ok end,
+ wait_until(Fun)
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 22:36:10 +0000