diff options
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/port_bif_SUITE.erl | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/erts/emulator/test/port_bif_SUITE.erl b/erts/emulator/test/port_bif_SUITE.erl index d9c82aba0e..f4ba502be5 100644 --- a/erts/emulator/test/port_bif_SUITE.erl +++ b/erts/emulator/test/port_bif_SUITE.erl @@ -24,6 +24,7 @@ init_per_group/2,end_per_group/2, command/1, command_e_1/1, command_e_2/1, command_e_3/1, command_e_4/1, port_info1/1, port_info2/1, + port_info_os_pid/1, connect/1, control/1, echo_to_busy/1]). -export([do_command_e_1/1, do_command_e_2/1, do_command_e_4/1]). @@ -41,7 +42,7 @@ all() -> groups() -> [{command_e, [], [command_e_1, command_e_2, command_e_3, command_e_4]}, - {port_info, [], [port_info1, port_info2]}]. + {port_info, [], [port_info1, port_info2, port_info_os_pid]}]. init_per_suite(Config) -> Config. @@ -196,6 +197,7 @@ port_info1(Config) when is_list(Config) -> ?line {value,{connected,_}}=lists:keysearch(connected, 1, A), ?line {value,{input,0}}=lists:keysearch(input, 1, A), ?line {value,{output,0}}=lists:keysearch(output, 1, A), + ?line {value,{os_pid,undefined}}=lists:keysearch(os_pid, 1, A), % linked-in driver doesn't have a OS pid ?line true=erlang:port_close(P), ok. @@ -215,6 +217,7 @@ port_info2(Config) when is_list(Config) -> ?line {connected, Me} = erlang:port_info(P, connected), ?line {input, 0}=erlang:port_info(P, input), ?line {output,0}=erlang:port_info(P, output), + ?line {os_pid, undefined}=erlang:port_info(P, os_pid), % linked-in driver doesn't have a OS pid ?line erlang:port_control(P, $i, "abc"), ?line receive @@ -229,6 +232,29 @@ port_info2(Config) when is_list(Config) -> ?line true = erlang:port_close(P), ok. +%% Tests the port_info/1,2 os_pid option BIF +port_info_os_pid(Config) when is_list(Config) -> + case os:type() of + {unix,_} -> + do_port_info_os_pid(); + _ -> + {skip,"Only on Unix."} + end. + +do_port_info_os_pid() -> + ?line P = open_port({spawn, "echo $$"}, [eof]), + ?line A = erlang:port_info(P), + ?line {os_pid, InfoOSPid} = erlang:port_info(P, os_pid), + ?line EchoPidStr = receive + {P, {data, EchoPidStr0}} -> EchoPidStr0 + after 10000 -> ?line test_server:fail(timeout) + end, + ?line {ok, [EchoPid], []} = io_lib:fread("~u\n", EchoPidStr), + ?line {value,{os_pid, InfoOSPid}}=lists:keysearch(os_pid, 1, A), + ?line EchoPid = InfoOSPid, + ?line true = erlang:port_close(P), + ok. + output_test(_, _, Input, Output) when Output > 16#1fffffff -> io:format("~p bytes received\n", [Input]); output_test(P, Bin, Input0, Output0) -> |