4 files changed, 68 insertions, 30 deletions

diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 6174136507..48541ec500 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -135,10 +135,14 @@ split_paths([], _S, Path, Paths) ->
 
 -spec call(term()) -> term().
 call(Req) ->
+    Ref = erlang:monitor(process, ?MODULE),
     ?MODULE ! {code_call, self(), Req},
     receive 
 	{?MODULE, Reply} ->
-	    Reply
+            erlang:demonitor(Ref,[flush]),
+	    Reply;
+        {'DOWN',Ref,process,_,_} ->
+            exit({'DOWN',code_server,Req})
     end.
 
 reply(Pid, Res) ->
@@ -933,14 +937,20 @@ del_ebin(Dir) ->
     filename:join(del_ebin_1(filename:split(Dir))).
 
 del_ebin_1([Parent,App,"ebin"]) ->
-    Ext = archive_extension(),
-    case filename:basename(Parent, Ext) of
-	Parent ->
-	    %% Plain directory.
+    case filename:basename(Parent) of
+	[] ->
+	    %% Parent is the root directory
 	    [Parent,App];
-	Archive ->
-	    %% Archive.
-	    [Archive]
+	_ ->
+	    Ext = archive_extension(),
+	    case filename:basename(Parent, Ext) of
+		Parent ->
+		    %% Plain directory.
+		    [Parent,App];
+		Archive ->
+		    %% Archive.
+		    [Archive]
+	    end
     end;
 del_ebin_1([H|T]) ->
     [H|del_ebin_1(T)];
diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl
index f8ef4a475d..7bc9e2ede3 100644
--- a/lib/kernel/src/erl_epmd.erl
+++ b/lib/kernel/src/erl_epmd.erl
@@ -103,6 +103,10 @@ names(EpmdAddr) ->
 
 register_node(Name, PortNo) ->
     register_node(Name, PortNo, inet).
+register_node(Name, PortNo, inet_tcp) ->
+    register_node(Name, PortNo, inet);
+register_node(Name, PortNo, inet6_tcp) ->
+    register_node(Name, PortNo, inet6);
 register_node(Name, PortNo, Family) ->
     gen_server:call(erl_epmd, {register, Name, PortNo, Family}, infinity).
 
@@ -403,8 +407,6 @@ select_best_version(L1, _H1, _L2, H2) when L1 > H2 ->
     0;
 select_best_version(_L1, H1, L2, _H2) when L2 > H1 ->
     0;
-select_best_version(_L1, H1, L2, _H2) when L2 > H1 ->
-    0;
 select_best_version(_L1, H1, _L2, H2) ->
     erlang:min(H1, H2).
 
diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl
index 3ca62cc1f1..3084bd599a 100644
--- a/lib/kernel/src/inet_tcp_dist.erl
+++ b/lib/kernel/src/inet_tcp_dist.erl
@@ -77,7 +77,7 @@ gen_listen(Driver, Name) ->
 	    TcpAddress = get_tcp_address(Driver, Socket),
 	    {_,Port} = TcpAddress#net_address.address,
 	    ErlEpmd = net_kernel:epmd_module(),
-	    case ErlEpmd:register_node(Name, Port) of
+	    case ErlEpmd:register_node(Name, Port, Driver) of
 		{ok, Creation} ->
 		    {ok, {Socket, TcpAddress, Creation}};
 		Error ->
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index f0ad26b1f2..05bbf1069e 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -226,11 +226,13 @@ extensions() ->
       Command :: atom() | io_lib:chars().
 cmd(Cmd) ->
     validate(Cmd),
-    {SpawnCmd, SpawnOpts, SpawnInput} = mk_cmd(os:type(), Cmd),
+    {SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), Cmd),
     Port = open_port({spawn, SpawnCmd}, [binary, stderr_to_stdout,
-                                         stream, in, eof, hide | SpawnOpts]),
+                                         stream, in, hide | SpawnOpts]),
+    MonRef = erlang:monitor(port, Port),
     true = port_command(Port, SpawnInput),
-    Bytes = get_data(Port, []),
+    Bytes = get_data(Port, MonRef, Eot, []),
+    demonitor(MonRef, [flush]),
     String = unicode:characters_to_list(Bytes),
     if  %% Convert to unicode list if possible otherwise return bytes
 	is_list(String) -> String;
@@ -243,7 +245,7 @@ mk_cmd({win32,Wtype}, Cmd) ->
                   {false,_} -> lists:concat(["cmd /c", Cmd]);
                   {Cspec,_} -> lists:concat([Cspec," /c",Cmd])
               end,
-    {Command, [], []};
+    {Command, [], [], <<>>};
 mk_cmd(OsType,Cmd) when is_atom(Cmd) ->
     mk_cmd(OsType, atom_to_list(Cmd));
 mk_cmd(_,Cmd) ->
@@ -252,7 +254,8 @@ mk_cmd(_,Cmd) ->
     {"/bin/sh -s unix:cmd", [out],
      %% We insert a new line after the command, in case the command
      %% contains a comment character.
-     ["(", unicode:characters_to_binary(Cmd), "\n); exit\n"]}.
+     ["(", unicode:characters_to_binary(Cmd), "\n); echo \"\^D\"\n"],
+     <<$\^D>>}.
 
 validate(Atom) when is_atom(Atom) ->
     ok;
@@ -267,21 +270,44 @@ validate1([List|Rest]) when is_list(List) ->
 validate1([]) ->
     ok.
 
-get_data(Port, Sofar) ->
+get_data(Port, MonRef, Eot, Sofar) ->
     receive
 	{Port, {data, Bytes}} ->
-	    get_data(Port, [Sofar,Bytes]);
-	{Port, eof} ->
-	    Port ! {self(), close},
-	    receive
-		{Port, closed} ->
-		    true
-	    end,
-	    receive
-		{'EXIT',  Port,  _} ->
-		    ok
-	    after 1 ->				% force context switch
-		    ok
-	    end,
+            case eot(Bytes, Eot) of
+                more ->
+                    get_data(Port, MonRef, Eot, [Sofar,Bytes]);
+                Last ->
+                    Port ! {self(), close},
+                    flush_until_closed(Port),
+                    flush_exit(Port),
+                    iolist_to_binary([Sofar, Last])
+            end;
+        {'DOWN', MonRef, _, _ , _} ->
+	    flush_exit(Port),
 	    iolist_to_binary(Sofar)
     end.
+
+eot(_Bs, <<>>) ->
+    more;
+eot(Bs, Eot) ->
+    case binary:match(Bs, Eot) of
+        nomatch -> more;
+        {Pos, _} ->
+            binary:part(Bs,{0, Pos})
+    end.
+
+flush_until_closed(Port) ->
+    receive
+        {Port, {data, _Bytes}} ->
+            flush_until_closed(Port);
+        {Port, closed} ->
+            true
+    end.
+
+flush_exit(Port) ->
+    receive
+        {'EXIT',  Port,  _} ->
+            ok
+    after 1 ->				% force context switch
+            ok
+    end.