diff options
| -rw-r--r-- | erts/emulator/test/port_SUITE.erl | 6 | ||||
| -rw-r--r-- | lib/kernel/src/user_drv.erl | 31 |
2 files changed, 23 insertions, 14 deletions
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index ab0b1a82bd..730a17d7e8 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -159,7 +159,7 @@ suite() -> 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, @@ -569,12 +569,14 @@ dropped_commands(Config, Outputv, Cmd) -> [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) -> - Port = erlang:open_port({spawn_driver, "echo_drv"}, [{parallelism, true}]), 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), diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl index b794d4f45e..99ea4210bd 100644 --- a/lib/kernel/src/user_drv.erl +++ b/lib/kernel/src/user_drv.erl @@ -175,6 +175,18 @@ server_loop(Iport, Oport, Curr, User, Gr, {Resp, IOQ} = IOQueue) -> {Iport,eof} -> Curr ! {self(),eof}, server_loop(Iport, Oport, Curr, User, Gr, IOQueue); + + %% We always handle geometry and unicode requests + {Requester,tty_geometry} -> + Requester ! {self(),tty_geometry,get_tty_geometry(Iport)}, + server_loop(Iport, Oport, Curr, User, Gr, IOQueue); + {Requester,get_unicode_state} -> + Requester ! {self(),get_unicode_state,get_unicode_state(Iport)}, + server_loop(Iport, Oport, Curr, User, Gr, IOQueue); + {Requester,set_unicode_state, Bool} -> + Requester ! {self(),set_unicode_state,set_unicode_state(Iport,Bool)}, + server_loop(Iport, Oport, Curr, User, Gr, IOQueue); + Req when element(1,Req) =:= User orelse element(1,Req) =:= Curr, tuple_size(Req) =:= 2 orelse tuple_size(Req) =:= 3 -> %% We match {User|Curr,_}|{User|Curr,_,_} @@ -224,21 +236,16 @@ server_loop(Iport, Oport, Curr, User, Gr, {Resp, IOQ} = IOQueue) -> _ -> % not current, just remove it server_loop(Iport, Oport, Curr, User, gr_del_pid(Gr, Pid), IOQueue) end; + {Requester, {put_chars_sync, _, _, Reply}} -> + %% We need to ack the Req otherwise originating process will hang forever + %% Do discard the output to non visible shells (as was done previously) + Requester ! {reply, Reply}, + server_loop(Iport, Oport, Curr, User, Gr, IOQueue); _X -> - %% Ignore unknown messages. - server_loop(Iport, Oport, Curr, User, Gr, IOQueue) + %% Ignore unknown messages. + server_loop(Iport, Oport, Curr, User, Gr, IOQueue) end. -%% We always handle geometry and unicode requests -handle_req({Curr,tty_geometry},Iport,_Oport,IOQueue) -> - Curr ! {self(),tty_geometry,get_tty_geometry(Iport)}, - IOQueue; -handle_req({Curr,get_unicode_state},Iport,_Oport,IOQueue) -> - Curr ! {self(),get_unicode_state,get_unicode_state(Iport)}, - IOQueue; -handle_req({Curr,set_unicode_state, Bool},Iport,_Oport,IOQueue) -> - Curr ! {self(),set_unicode_state,set_unicode_state(Iport,Bool)}, - IOQueue; handle_req(next,Iport,Oport,{false,IOQ}=IOQueue) -> case queue:out(IOQ) of {empty,_} -> |