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-rw-r--r--lib/kernel/src/dist_util.erl252
-rw-r--r--lib/kernel/src/erl_boot_server.erl6
-rw-r--r--lib/kernel/src/erl_epmd.erl8
-rw-r--r--lib/kernel/src/erl_reply.erl4
-rw-r--r--lib/kernel/src/erts_debug.erl19
-rw-r--r--lib/kernel/src/group.erl91
-rw-r--r--lib/kernel/src/inet_config.erl4
-rw-r--r--lib/kernel/src/inet_dns.erl6
-rw-r--r--lib/kernel/src/inet_parse.erl4
-rw-r--r--lib/kernel/src/inet_res.erl12
-rw-r--r--lib/kernel/src/kernel.app.src2
-rw-r--r--lib/kernel/src/kernel.appup.src4
-rw-r--r--lib/kernel/src/net_kernel.erl4
-rw-r--r--lib/kernel/src/os.erl65
14 files changed, 335 insertions, 146 deletions
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index b3507e5d13..08bd5946cd 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -74,6 +74,48 @@
ticked = 0
}).
+dflag2str(?DFLAG_PUBLISHED) ->
+ "PUBLISHED";
+dflag2str(?DFLAG_ATOM_CACHE) ->
+ "ATOM_CACHE";
+dflag2str(?DFLAG_EXTENDED_REFERENCES) ->
+ "EXTENDED_REFERENCES";
+dflag2str(?DFLAG_DIST_MONITOR) ->
+ "DIST_MONITOR";
+dflag2str(?DFLAG_FUN_TAGS) ->
+ "FUN_TAGS";
+dflag2str(?DFLAG_DIST_MONITOR_NAME) ->
+ "DIST_MONITOR_NAME";
+dflag2str(?DFLAG_HIDDEN_ATOM_CACHE) ->
+ "HIDDEN_ATOM_CACHE";
+dflag2str(?DFLAG_NEW_FUN_TAGS) ->
+ "NEW_FUN_TAGS";
+dflag2str(?DFLAG_EXTENDED_PIDS_PORTS) ->
+ "EXTENDED_PIDS_PORTS";
+dflag2str(?DFLAG_EXPORT_PTR_TAG) ->
+ "EXPORT_PTR_TAG";
+dflag2str(?DFLAG_BIT_BINARIES) ->
+ "BIT_BINARIES";
+dflag2str(?DFLAG_NEW_FLOATS) ->
+ "NEW_FLOATS";
+dflag2str(?DFLAG_UNICODE_IO) ->
+ "UNICODE_IO";
+dflag2str(?DFLAG_DIST_HDR_ATOM_CACHE) ->
+ "DIST_HDR_ATOM_CACHE";
+dflag2str(?DFLAG_SMALL_ATOM_TAGS) ->
+ "SMALL_ATOM_TAGS";
+dflag2str(?DFLAG_UTF8_ATOMS) ->
+ "UTF8_ATOMS";
+dflag2str(?DFLAG_MAP_TAG) ->
+ "MAP_TAG";
+dflag2str(?DFLAG_BIG_CREATION) ->
+ "BIG_CREATION";
+dflag2str(?DFLAG_SEND_SENDER) ->
+ "SEND_SENDER";
+dflag2str(_) ->
+ "UNKNOWN".
+
+
remove_flag(Flag, Flags) ->
case Flags band Flag of
0 ->
@@ -82,13 +124,13 @@ remove_flag(Flag, Flags) ->
Flags - Flag
end.
-adjust_flags(ThisFlags, OtherFlags) ->
+adjust_flags(ThisFlags, OtherFlags, RejectFlags) ->
case (?DFLAG_PUBLISHED band ThisFlags) band OtherFlags of
0 ->
{remove_flag(?DFLAG_PUBLISHED, ThisFlags),
remove_flag(?DFLAG_PUBLISHED, OtherFlags)};
_ ->
- {ThisFlags, OtherFlags}
+ {ThisFlags, OtherFlags band (bnot RejectFlags)}
end.
publish_flag(hidden, _) ->
@@ -101,36 +143,71 @@ publish_flag(_, OtherNode) ->
0
end.
-make_this_flags(RequestType, OtherNode) ->
- publish_flag(RequestType, OtherNode) bor
- %% The parenthesis below makes the compiler generate better code.
- (?DFLAG_EXPORT_PTR_TAG bor
- ?DFLAG_EXTENDED_PIDS_PORTS bor
- ?DFLAG_EXTENDED_REFERENCES bor
- ?DFLAG_DIST_MONITOR bor
- ?DFLAG_FUN_TAGS bor
- ?DFLAG_DIST_MONITOR_NAME bor
- ?DFLAG_HIDDEN_ATOM_CACHE bor
- ?DFLAG_NEW_FUN_TAGS bor
- ?DFLAG_BIT_BINARIES bor
- ?DFLAG_NEW_FLOATS bor
- ?DFLAG_UNICODE_IO bor
- ?DFLAG_DIST_HDR_ATOM_CACHE bor
- ?DFLAG_SMALL_ATOM_TAGS bor
- ?DFLAG_UTF8_ATOMS bor
- ?DFLAG_MAP_TAG bor
- ?DFLAG_BIG_CREATION).
-
-handshake_other_started(#hs_data{request_type=ReqType}=HSData0) ->
+-define(DFLAGS_REMOVABLE,
+ (?DFLAG_DIST_HDR_ATOM_CACHE
+ bor ?DFLAG_HIDDEN_ATOM_CACHE
+ bor ?DFLAG_ATOM_CACHE)).
+
+-define(DFLAGS_ADDABLE,
+ (?DFLAGS_ALL
+ band (bnot (?DFLAG_PUBLISHED
+ bor ?DFLAG_HIDDEN_ATOM_CACHE
+ bor ?DFLAG_ATOM_CACHE)))).
+
+-define(DFLAGS_THIS_DEFAULT,
+ (?DFLAG_EXPORT_PTR_TAG
+ bor ?DFLAG_EXTENDED_PIDS_PORTS
+ bor ?DFLAG_EXTENDED_REFERENCES
+ bor ?DFLAG_DIST_MONITOR
+ bor ?DFLAG_FUN_TAGS
+ bor ?DFLAG_DIST_MONITOR_NAME
+ bor ?DFLAG_NEW_FUN_TAGS
+ bor ?DFLAG_BIT_BINARIES
+ bor ?DFLAG_NEW_FLOATS
+ bor ?DFLAG_UNICODE_IO
+ bor ?DFLAG_DIST_HDR_ATOM_CACHE
+ bor ?DFLAG_SMALL_ATOM_TAGS
+ bor ?DFLAG_UTF8_ATOMS
+ bor ?DFLAG_MAP_TAG
+ bor ?DFLAG_BIG_CREATION
+ bor ?DFLAG_SEND_SENDER)).
+
+make_this_flags(RequestType, AddFlags, RemoveFlags, OtherNode) ->
+ case RemoveFlags band (bnot ?DFLAGS_REMOVABLE) of
+ 0 -> ok;
+ Rerror -> exit({"Rejecting non rejectable flags", Rerror})
+ end,
+ case AddFlags band (bnot ?DFLAGS_ADDABLE) of
+ 0 -> ok;
+ Aerror -> exit({"Adding non addable flags", Aerror})
+ end,
+ Flgs0 = ?DFLAGS_THIS_DEFAULT,
+ Flgs1 = Flgs0 bor publish_flag(RequestType, OtherNode),
+ Flgs2 = Flgs1 bor AddFlags,
+ Flgs3 = Flgs2 band (bnot (?DFLAG_HIDDEN_ATOM_CACHE
+ bor ?DFLAG_ATOM_CACHE)),
+ Flgs3 band (bnot RemoveFlags).
+
+handshake_other_started(#hs_data{request_type=ReqType,
+ add_flags=AddFlgs0,
+ reject_flags=RejFlgs0,
+ require_flags=ReqFlgs0}=HSData0) ->
+ AddFlgs = convert_flags(AddFlgs0),
+ RejFlgs = convert_flags(RejFlgs0),
+ ReqFlgs = convert_flags(ReqFlgs0),
{PreOtherFlags,Node,Version} = recv_name(HSData0),
- PreThisFlags = make_this_flags(ReqType, Node),
+ PreThisFlags = make_this_flags(ReqType, AddFlgs, RejFlgs, Node),
{ThisFlags, OtherFlags} = adjust_flags(PreThisFlags,
- PreOtherFlags),
+ PreOtherFlags,
+ RejFlgs),
HSData = HSData0#hs_data{this_flags=ThisFlags,
other_flags=OtherFlags,
other_version=Version,
other_node=Node,
- other_started=true},
+ other_started=true,
+ add_flags=AddFlgs,
+ reject_flags=RejFlgs,
+ require_flags=ReqFlgs},
check_dflags(HSData),
is_allowed(HSData),
?debug({"MD5 connection from ~p (V~p)~n",
@@ -165,23 +242,18 @@ is_allowed(#hs_data{other_node = Node,
end.
%%
-%% Check that both nodes can handle the same types of extended
-%% node containers. If they can not, abort the connection.
+%% Check mandatory flags...
%%
check_dflags(#hs_data{other_node = Node,
other_flags = OtherFlags,
- other_started = OtherStarted} = HSData) ->
-
- Mandatory = [{?DFLAG_EXTENDED_REFERENCES, "EXTENDED_REFERENCES"},
- {?DFLAG_EXTENDED_PIDS_PORTS, "EXTENDED_PIDS_PORTS"},
- {?DFLAG_UTF8_ATOMS, "UTF8_ATOMS"}],
- Missing = lists:filtermap(fun({Bit, Str}) ->
- case Bit band OtherFlags of
- Bit -> false;
- 0 -> {true, Str}
- end
- end,
- Mandatory),
+ other_started = OtherStarted,
+ require_flags = RequiredFlags} = HSData) ->
+ Mandatory = ((?DFLAG_EXTENDED_REFERENCES
+ bor ?DFLAG_EXTENDED_PIDS_PORTS
+ bor ?DFLAG_UTF8_ATOMS)
+ bor RequiredFlags),
+ Missing = check_mandatory(0, ?DFLAGS_ALL, Mandatory,
+ OtherFlags, []),
case Missing of
[] ->
ok;
@@ -201,6 +273,22 @@ check_dflags(#hs_data{other_node = Node,
?shutdown2(Node, {check_dflags_failed, Missing})
end.
+check_mandatory(_Bit, 0, _Mandatory, _OtherFlags, Missing) ->
+ Missing;
+check_mandatory(Bit, Left, Mandatory, OtherFlags, Missing) ->
+ DFlag = (1 bsl Bit),
+ NewLeft = Left band (bnot DFlag),
+ NewMissing = case {DFlag band Mandatory,
+ DFlag band OtherFlags} of
+ {DFlag, 0} ->
+ %% Mandatory and missing...
+ [dflag2str(DFlag) | Missing];
+ _ ->
+ %% Not mandatory or present...
+ Missing
+ end,
+ check_mandatory(Bit+1, NewLeft, Mandatory, OtherFlags, NewMissing).
+
%% No nodedown will be sent if we fail before this process has
%% succeeded to mark the node as pending.
@@ -314,13 +402,24 @@ flush_down() ->
end.
handshake_we_started(#hs_data{request_type=ReqType,
- other_node=Node}=PreHSData) ->
- PreThisFlags = make_this_flags(ReqType, Node),
- HSData = PreHSData#hs_data{this_flags=PreThisFlags},
+ other_node=Node,
+ add_flags=AddFlgs0,
+ reject_flags=RejFlgs0,
+ require_flags=ReqFlgs0}=PreHSData) ->
+ AddFlgs = convert_flags(AddFlgs0),
+ RejFlgs = convert_flags(RejFlgs0),
+ ReqFlgs = convert_flags(ReqFlgs0),
+ PreThisFlags = make_this_flags(ReqType, AddFlgs, RejFlgs, Node),
+ HSData = PreHSData#hs_data{this_flags = PreThisFlags,
+ add_flags = AddFlgs,
+ reject_flags = RejFlgs,
+ require_flags = ReqFlgs},
send_name(HSData),
recv_status(HSData),
{PreOtherFlags,ChallengeA} = recv_challenge(HSData),
- {ThisFlags,OtherFlags} = adjust_flags(PreThisFlags, PreOtherFlags),
+ {ThisFlags,OtherFlags} = adjust_flags(PreThisFlags,
+ PreOtherFlags,
+ RejFlgs),
NewHSData = HSData#hs_data{this_flags = ThisFlags,
other_flags = OtherFlags,
other_started = false},
@@ -336,15 +435,16 @@ handshake_we_started(#hs_data{request_type=ReqType,
handshake_we_started(OldHsData) when element(1,OldHsData) =:= hs_data ->
handshake_we_started(convert_old_hsdata(OldHsData)).
-convert_old_hsdata({hs_data, KP, ON, TN, S, T, TF, A, OV, OF, OS, FS, FR,
- FS_PRE, FS_POST, FG, FA, MFT, MFG, RT}) ->
- #hs_data{
- kernel_pid = KP, other_node = ON, this_node = TN, socket = S, timer = T,
- this_flags = TF, allowed = A, other_version = OV, other_flags = OF,
- other_started = OS, f_send = FS, f_recv = FR, f_setopts_pre_nodeup = FS_PRE,
- f_setopts_post_nodeup = FS_POST, f_getll = FG, f_address = FA,
- mf_tick = MFT, mf_getstat = MFG, request_type = RT}.
+convert_old_hsdata(OldHsData) ->
+ OHSDL = tuple_to_list(OldHsData),
+ NoMissing = tuple_size(#hs_data{}) - tuple_size(OldHsData),
+ true = NoMissing > 0,
+ list_to_tuple(OHSDL ++ lists:duplicate(NoMissing, undefined)).
+convert_flags(Flags) when is_integer(Flags) ->
+ Flags;
+convert_flags(_Undefined) ->
+ 0.
%% --------------------------------------------------------------
%% The connection has been established.
@@ -359,15 +459,20 @@ connection(#hs_data{other_node = Node,
PType = publish_type(HSData#hs_data.other_flags),
case FPreNodeup(Socket) of
ok ->
- do_setnode(HSData), % Succeeds or exits the process.
+ DHandle = do_setnode(HSData), % Succeeds or exits the process.
Address = FAddress(Socket,Node),
mark_nodeup(HSData,Address),
case FPostNodeup(Socket) of
ok ->
+ case HSData#hs_data.f_handshake_complete of
+ undefined -> ok;
+ HsComplete -> HsComplete(Socket, Node, DHandle)
+ end,
con_loop({HSData#hs_data.kernel_pid,
Node,
Socket,
PType,
+ DHandle,
HSData#hs_data.mf_tick,
HSData#hs_data.mf_getstat,
HSData#hs_data.mf_setopts,
@@ -425,18 +530,16 @@ do_setnode(#hs_data{other_node = Node, socket = Socket,
[Node, Port, {publish_type(Flags),
'(', Flags, ')',
Version}]),
- case (catch
- erlang:setnode(Node, Port,
- {Flags, Version, '', ''})) of
- {'EXIT', {system_limit, _}} ->
+ try
+ erlang:setnode(Node, Port, {Flags, Version, '', ''})
+ catch
+ error:system_limit ->
error_msg("** Distribution system limit reached, "
"no table space left for node ~w ** ~n",
[Node]),
?shutdown(Node);
- {'EXIT', Other} ->
- exit(Other);
- _Else ->
- ok
+ error:Other ->
+ exit({Other, erlang:get_stacktrace()})
end;
_ ->
error_msg("** Distribution connection error, "
@@ -468,7 +571,13 @@ mark_nodeup(#hs_data{kernel_pid = Kernel,
?shutdown(Node)
end.
-con_loop({Kernel, Node, Socket, Type, MFTick, MFGetstat, MFSetOpts, MFGetOpts}=ConData,
+getstat(DHandle, _Socket, undefined) ->
+ erlang:dist_get_stat(DHandle);
+getstat(_DHandle, Socket, MFGetstat) ->
+ MFGetstat(Socket).
+
+con_loop({Kernel, Node, Socket, Type, DHandle, MFTick, MFGetstat,
+ MFSetOpts, MFGetOpts}=ConData,
Tick) ->
receive
{tcp_closed, Socket} ->
@@ -476,7 +585,7 @@ con_loop({Kernel, Node, Socket, Type, MFTick, MFGetstat, MFSetOpts, MFGetOpts}=C
{Kernel, disconnect} ->
?shutdown2(Node, disconnected);
{Kernel, aux_tick} ->
- case MFGetstat(Socket) of
+ case getstat(DHandle, Socket, MFGetstat) of
{ok, _, _, PendWrite} ->
send_tick(Socket, PendWrite, MFTick);
_ ->
@@ -484,7 +593,7 @@ con_loop({Kernel, Node, Socket, Type, MFTick, MFGetstat, MFSetOpts, MFGetOpts}=C
end,
con_loop(ConData, Tick);
{Kernel, tick} ->
- case send_tick(Socket, Tick, Type,
+ case send_tick(DHandle, Socket, Tick, Type,
MFTick, MFGetstat) of
{ok, NewTick} ->
con_loop(ConData, NewTick);
@@ -497,7 +606,7 @@ con_loop({Kernel, Node, Socket, Type, MFTick, MFGetstat, MFSetOpts, MFGetOpts}=C
?shutdown2(Node, send_net_tick_failed)
end;
{From, get_status} ->
- case MFGetstat(Socket) of
+ case getstat(DHandle, Socket, MFGetstat) of
{ok, Read, Write, _} ->
From ! {self(), get_status, {ok, Read, Write}},
con_loop(ConData, Tick);
@@ -735,14 +844,14 @@ send_status(#hs_data{socket = Socket, other_node = Node,
%% we haven't read anything as a hidden node only ticks when it receives
%% a TICK !!
-send_tick(Socket, Tick, Type, MFTick, MFGetstat) ->
+send_tick(DHandle, Socket, Tick, Type, MFTick, MFGetstat) ->
#tick{tick = T0,
read = Read,
write = Write,
ticked = Ticked} = Tick,
T = T0 + 1,
T1 = T rem 4,
- case MFGetstat(Socket) of
+ case getstat(DHandle, Socket, MFGetstat) of
{ok, Read, _, _} when Ticked =:= T ->
{error, not_responding};
{ok, Read, W, Pend} when Type =:= hidden ->
@@ -771,11 +880,10 @@ send_tick(Socket, Tick, Type, MFTick, MFGetstat) ->
Error
end.
-send_tick(Socket, 0, MFTick) ->
- MFTick(Socket);
-send_tick(_, _Pend, _) ->
- %% Dont send tick if pending write.
- ok.
+send_tick(_, Pend, _) when Pend /= false, Pend /= 0 ->
+ ok; %% Dont send tick if pending write.
+send_tick(Socket, _Pend, MFTick) ->
+ MFTick(Socket).
%% ------------------------------------------------------------
%% Connection setup timeout timer.
diff --git a/lib/kernel/src/erl_boot_server.erl b/lib/kernel/src/erl_boot_server.erl
index ac81cc9689..2a38266579 100644
--- a/lib/kernel/src/erl_boot_server.erl
+++ b/lib/kernel/src/erl_boot_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -253,9 +253,9 @@ handle_info({udp, U, IP, Port, Data}, S0) ->
"~w is not a valid address ** ~n", [IP]),
{noreply,S0};
{true,_,_} ->
- case catch string:substr(Data, 1, length(?EBOOT_REQUEST)) of
+ case catch string:slice(Data, 0, length(?EBOOT_REQUEST)) of
?EBOOT_REQUEST ->
- Vsn = string:substr(Data, length(?EBOOT_REQUEST)+1, length(Data)),
+ Vsn = string:slice(Data, length(?EBOOT_REQUEST), length(Data)),
error_logger:error_msg("** Illegal boot server connection attempt: "
"client version is ~s ** ~n", [Vsn]);
_ ->
diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl
index 7bc9e2ede3..f96bc88913 100644
--- a/lib/kernel/src/erl_epmd.erl
+++ b/lib/kernel/src/erl_epmd.erl
@@ -79,7 +79,13 @@ port_please(Node, EpmdAddr, Timeout) ->
port_please1(Node,HostName, Timeout) ->
- case inet:gethostbyname(HostName, inet, Timeout) of
+ Family = case inet_db:res_option(inet6) of
+ true ->
+ inet6;
+ false ->
+ inet
+ end,
+ case inet:gethostbyname(HostName, Family, Timeout) of
{ok,{hostent, _Name, _ , _Af, _Size, [EpmdAddr | _]}} ->
get_port(Node, EpmdAddr, Timeout);
Else ->
diff --git a/lib/kernel/src/erl_reply.erl b/lib/kernel/src/erl_reply.erl
index e1e046cbb4..e1c4ffe839 100644
--- a/lib/kernel/src/erl_reply.erl
+++ b/lib/kernel/src/erl_reply.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -42,7 +42,7 @@ reply(_) ->
%% convert ip number to tuple
ip_string_to_tuple(Ip) ->
- [Ip1,Ip2,Ip3,Ip4] = string:tokens(Ip,"."),
+ [Ip1,Ip2,Ip3,Ip4] = string:lexemes(Ip,"."),
{list_to_integer(Ip1),
list_to_integer(Ip2),
list_to_integer(Ip3),
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 480db6814e..2887014c1c 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -378,16 +378,11 @@ df(Mod, Func, Arity) when is_atom(Mod), is_atom(Func) ->
catch _:_ -> {undef,Mod}
end.
-dff(File, Fs) when is_pid(File), is_list(Fs) ->
- lists:foreach(fun(Mfa) ->
- disassemble_function(File, Mfa),
- io:nl(File)
- end, Fs);
-dff(Name, Fs) when is_list(Name) ->
- case file:open(Name, [write]) of
+dff(Name, Fs) ->
+ case file:open(Name, [write,raw,delayed_write]) of
{ok,F} ->
try
- dff(F, Fs)
+ dff_1(F, Fs)
after
_ = file:close(F)
end;
@@ -395,12 +390,18 @@ dff(Name, Fs) when is_list(Name) ->
{error,{badopen,Reason}}
end.
+dff_1(File, Fs) ->
+ lists:foreach(fun(Mfa) ->
+ disassemble_function(File, Mfa),
+ file:write(File, "\n")
+ end, Fs).
+
disassemble_function(File, {_,_,_}=MFA) ->
cont_dis(File, erts_debug:disassemble(MFA), MFA).
cont_dis(_, false, _) -> ok;
cont_dis(File, {Addr,Str,MFA}, MFA) ->
- io:put_chars(File, binary_to_list(Str)),
+ ok = file:write(File, Str),
cont_dis(File, erts_debug:disassemble(Addr), MFA);
cont_dis(_, {_,_,_}, _) -> ok.
diff --git a/lib/kernel/src/group.erl b/lib/kernel/src/group.erl
index bf785959ff..e1198d2587 100644
--- a/lib/kernel/src/group.erl
+++ b/lib/kernel/src/group.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -261,11 +261,11 @@ io_request({put_chars,latin1,M,F,As}, Drv, From, Buf) ->
end;
io_request({get_chars,Encoding,Prompt,N}, Drv, _From, Buf) ->
- get_chars(Prompt, io_lib, collect_chars, N, Drv, Buf, Encoding);
+ get_chars_n(Prompt, io_lib, collect_chars, N, Drv, Buf, Encoding);
io_request({get_line,Encoding,Prompt}, Drv, _From, Buf) ->
- get_chars(Prompt, io_lib, collect_line, [], Drv, Buf, Encoding);
+ get_chars_line(Prompt, io_lib, collect_line, [], Drv, Buf, Encoding);
io_request({get_until,Encoding, Prompt,M,F,As}, Drv, _From, Buf) ->
- get_chars(Prompt, io_lib, get_until, {M,F,As}, Drv, Buf, Encoding);
+ get_chars_line(Prompt, io_lib, get_until, {M,F,As}, Drv, Buf, Encoding);
io_request({get_password,_Encoding},Drv,_From,Buf) ->
get_password_chars(Drv, Buf);
io_request({setopts,Opts}, Drv, _From, Buf) when is_list(Opts) ->
@@ -434,7 +434,7 @@ getopts(Drv,Buf) ->
{ok,[Exp,Echo,Bin,Uni],Buf}.
-%% get_chars(Prompt, Module, Function, XtraArgument, Drv, Buffer)
+%% get_chars_*(Prompt, Module, Function, XtraArgument, Drv, Buffer)
%% Gets characters from the input Drv until as the applied function
%% returns {stop,Result,Rest}. Does not block output until input has been
%% received.
@@ -452,12 +452,21 @@ get_password_chars(Drv,Buf) ->
{exit, terminated}
end.
-get_chars(Prompt, M, F, Xa, Drv, Buf, Encoding) ->
+get_chars_n(Prompt, M, F, Xa, Drv, Buf, Encoding) ->
+ Pbs = prompt_bytes(Prompt, Encoding),
+ case get(echo) of
+ true ->
+ get_chars_loop(Pbs, M, F, Xa, Drv, Buf, start, Encoding);
+ false ->
+ get_chars_n_loop(Pbs, M, F, Xa, Drv, Buf, start, Encoding)
+ end.
+
+get_chars_line(Prompt, M, F, Xa, Drv, Buf, Encoding) ->
Pbs = prompt_bytes(Prompt, Encoding),
get_chars_loop(Pbs, M, F, Xa, Drv, Buf, start, Encoding).
get_chars_loop(Pbs, M, F, Xa, Drv, Buf0, State, Encoding) ->
- Result = case get(echo) of
+ Result = case get(echo) of
true ->
get_line(Buf0, Pbs, Drv, Encoding);
false ->
@@ -466,8 +475,8 @@ get_chars_loop(Pbs, M, F, Xa, Drv, Buf0, State, Encoding) ->
get_line_echo_off(Buf0, Pbs, Drv)
end,
case Result of
- {done,Line,Buf1} ->
- get_chars_apply(Pbs, M, F, Xa, Drv, Buf1, State, Line, Encoding);
+ {done,Line,Buf} ->
+ get_chars_apply(Pbs, M, F, Xa, Drv, Buf, State, Line, Encoding);
interrupted ->
{error,{error,interrupted},[]};
terminated ->
@@ -476,12 +485,29 @@ get_chars_loop(Pbs, M, F, Xa, Drv, Buf0, State, Encoding) ->
get_chars_apply(Pbs, M, F, Xa, Drv, Buf, State0, Line, Encoding) ->
case catch M:F(State0, cast(Line,get(read_mode), Encoding), Encoding, Xa) of
- {stop,Result,Rest} ->
- {ok,Result,append(Rest, Buf, Encoding)};
- {'EXIT',_} ->
- {error,{error,err_func(M, F, Xa)},[]};
- State1 ->
- get_chars_loop(Pbs, M, F, Xa, Drv, Buf, State1, Encoding)
+ {stop,Result,Rest} ->
+ {ok,Result,append(Rest, Buf, Encoding)};
+ {'EXIT',_} ->
+ {error,{error,err_func(M, F, Xa)},[]};
+ State1 ->
+ get_chars_loop(Pbs, M, F, Xa, Drv, Buf, State1, Encoding)
+ end.
+
+get_chars_n_loop(Pbs, M, F, Xa, Drv, Buf0, State, Encoding) ->
+ try M:F(State, cast(Buf0, get(read_mode), Encoding), Encoding, Xa) of
+ {stop,Result,Rest} ->
+ {ok, Result, Rest};
+ State1 ->
+ case get_chars_echo_off(Pbs, Drv) of
+ interrupted ->
+ {error,{error,interrupted},[]};
+ terminated ->
+ {exit,terminated};
+ Buf ->
+ get_chars_n_loop(Pbs, M, F, Xa, Drv, Buf, State1, Encoding)
+ end
+ catch _:_ ->
+ {error,{error,err_func(M, F, Xa)},[]}
end.
%% Convert error code to make it look as before
@@ -684,6 +710,29 @@ get_line_echo_off1({Chars,[]}, Drv) ->
get_line_echo_off1({Chars,Rest}, _Drv) ->
{done,lists:reverse(Chars),case Rest of done -> []; _ -> Rest end}.
+get_chars_echo_off(Pbs, Drv) ->
+ send_drv_reqs(Drv, [{put_chars, unicode,Pbs}]),
+ get_chars_echo_off1(Drv).
+
+get_chars_echo_off1(Drv) ->
+ receive
+ {Drv, {data, Cs}} ->
+ Cs;
+ {Drv, eof} ->
+ eof;
+ {io_request,From,ReplyAs,Req} when is_pid(From) ->
+ io_request(Req, From, ReplyAs, Drv, []),
+ get_chars_echo_off1(Drv);
+ {reply,{{From,ReplyAs},Reply}} when From =/= undefined ->
+ %% We take care of replies from puts here as well
+ io_reply(From, ReplyAs, Reply),
+ get_chars_echo_off1(Drv);
+ {'EXIT',Drv,interrupt} ->
+ interrupted;
+ {'EXIT',Drv,_} ->
+ terminated
+ end.
+
%% We support line editing for the ICANON mode except the following
%% line editing characters, which already has another meaning in
%% echo-on mode (See Advanced Programming in the Unix Environment, 2nd ed,
@@ -793,9 +842,9 @@ search_up_stack(Stack, Substr) ->
case up_stack(Stack) of
{none,NewStack} -> {none,NewStack};
{L, NewStack} ->
- case string:str(L, Substr) of
- 0 -> search_up_stack(NewStack, Substr);
- _ -> {string:strip(L,right,$\n), NewStack}
+ case string:find(L, Substr) of
+ nomatch -> search_up_stack(NewStack, Substr);
+ _ -> {string:trim(L, trailing, "$\n"), NewStack}
end
end.
@@ -803,9 +852,9 @@ search_down_stack(Stack, Substr) ->
case down_stack(Stack) of
{none,NewStack} -> {none,NewStack};
{L, NewStack} ->
- case string:str(L, Substr) of
- 0 -> search_down_stack(NewStack, Substr);
- _ -> {string:strip(L,right,$\n), NewStack}
+ case string:find(L, Substr) of
+ nomatch -> search_down_stack(NewStack, Substr);
+ _ -> {string:trim(L, trailing, "$\n"), NewStack}
end
end.
diff --git a/lib/kernel/src/inet_config.erl b/lib/kernel/src/inet_config.erl
index 4bbc520449..9f76360b8b 100644
--- a/lib/kernel/src/inet_config.erl
+++ b/lib/kernel/src/inet_config.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -369,7 +369,7 @@ win32_load1(Reg,Type,HFileKey) ->
end.
win32_split_line(Line,nt) -> inet_parse:split_line(Line);
-win32_split_line(Line,windows) -> string:tokens(Line, ",").
+win32_split_line(Line,windows) -> string:lexemes(Line, ",").
win32_get_strings(Reg, Names) ->
win32_get_strings(Reg, Names, []).
diff --git a/lib/kernel/src/inet_dns.erl b/lib/kernel/src/inet_dns.erl
index d5f982cc51..f1f58bc872 100644
--- a/lib/kernel/src/inet_dns.erl
+++ b/lib/kernel/src/inet_dns.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@
-export([decode/1, encode/1]).
--import(lists, [reverse/1, reverse/2, nthtail/2]).
+-import(lists, [reverse/1]).
-include("inet_int.hrl").
-include("inet_dns.hrl").
@@ -473,7 +473,7 @@ decode_data(<<Order:16,Preference:16,Data0/binary>>, _, ?S_NAPTR, Buffer) ->
{Data2,Services} = decode_string(Data1),
{Data,Regexp} = decode_characters(Data2, utf8),
Replacement = decode_domain(Data, Buffer),
- {Order,Preference,string:to_lower(Flags),string:to_lower(Services),
+ {Order,Preference,string:lowercase(Flags),string:lowercase(Services),
Regexp,Replacement};
%% ?S_OPT falls through to default
decode_data(Data, _, ?S_TXT, _) ->
diff --git a/lib/kernel/src/inet_parse.erl b/lib/kernel/src/inet_parse.erl
index 29804dc50b..e9685c6554 100644
--- a/lib/kernel/src/inet_parse.erl
+++ b/lib/kernel/src/inet_parse.erl
@@ -95,7 +95,7 @@ hosts(Fname,File) ->
%% interface with a %if suffix. These kind of
%% addresses maybe need to be gracefully handled
%% throughout inet* and inet_drv.
- case string:tokens(Address, "%") of
+ case string:lexemes(Address, "%") of
[Addr,_] ->
{ok,_} = address(Addr),
skip;
@@ -407,7 +407,7 @@ is_dom1([C | Cs]) when C >= $a, C =< $z -> is_dom_ldh(Cs);
is_dom1([C | Cs]) when C >= $A, C =< $Z -> is_dom_ldh(Cs);
is_dom1([C | Cs]) when C >= $0, C =< $9 ->
case is_dom_ldh(Cs) of
- true -> is_dom2(string:tokens([C | Cs],"."));
+ true -> is_dom2(string:lexemes([C | Cs],"."));
false -> false
end;
is_dom1(_) -> false.
diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl
index 90e49ddfdf..49aa5f8bda 100644
--- a/lib/kernel/src/inet_res.erl
+++ b/lib/kernel/src/inet_res.erl
@@ -859,15 +859,17 @@ query_ns(S0, Id, Buffer, IP, Port, Timer, Retry, I,
{ok,S} ->
Timeout =
inet:timeout( (Tm * (1 bsl I)) div Retry, Timer),
- {S,
case query_udp(
S, Id, Buffer, IP, Port, Timeout, Verbose) of
{ok,#dns_rec{header=H}} when H#dns_header.tc ->
TcpTimeout = inet:timeout(Tm*5, Timer),
- query_tcp(
- TcpTimeout, Id, Buffer, IP, Port, Verbose);
- Reply -> Reply
- end};
+ {S, query_tcp(
+ TcpTimeout, Id, Buffer, IP, Port, Verbose)};
+ {error, econnrefused} = Err ->
+ ok = udp_close(S),
+ {#sock{}, Err};
+ Reply -> {S, Reply}
+ end;
Error ->
{S0,Error}
end
diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src
index 2a88cc7e26..080b11fc4d 100644
--- a/lib/kernel/src/kernel.app.src
+++ b/lib/kernel/src/kernel.app.src
@@ -120,6 +120,6 @@
{applications, []},
{env, [{error_logger, tty}]},
{mod, {kernel, []}},
- {runtime_dependencies, ["erts-9.1", "stdlib-3.4", "sasl-3.0"]}
+ {runtime_dependencies, ["erts-10.0", "stdlib-3.5", "sasl-3.0"]}
]
}.
diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src
index f1ef70a373..fc5417597f 100644
--- a/lib/kernel/src/kernel.appup.src
+++ b/lib/kernel/src/kernel.appup.src
@@ -18,7 +18,7 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"5\\.[0-3](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-19.*, OTP-20.0
+ [{<<"5\\.3(\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-20.*
%% Down to - max one major revision back
- [{<<"5\\.[0-3](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-19.*, OTP-20.0
+ [{<<"5\\.3(\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-20.*
}.
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index 7da89dd7cb..f36b4f1e6a 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -423,8 +423,8 @@ handle_call({connect, Type, Node}, From, State) ->
{ok, SetupPid} ->
Owners = [{SetupPid, Node} | State#state.conn_owners],
{noreply,State#state{conn_owners=Owners}};
- _ ->
- ?connect_failure(Node, {setup_call, failed}),
+ _Error ->
+ ?connect_failure(Node, {setup_call, failed, _Error}),
async_reply({reply, false, State}, From)
end
end;
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index 0250783632..b5f19d4b99 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -25,6 +25,8 @@
-include("file.hrl").
+-export_type([env_var_name/0, env_var_value/0, env_var_name_value/0, command_input/0]).
+
%%% BIFs
-export([getenv/0, getenv/1, getenv/2, getpid/0,
@@ -32,21 +34,29 @@
putenv/2, set_signal/2, system_time/0, system_time/1,
timestamp/0, unsetenv/1]).
--spec getenv() -> [string()].
+-type env_var_name() :: nonempty_string().
+
+-type env_var_value() :: string().
+
+-type env_var_name_value() :: nonempty_string().
+
+-type command_input() :: atom() | io_lib:chars().
+
+-spec getenv() -> [env_var_name_value()].
getenv() -> erlang:nif_error(undef).
-spec getenv(VarName) -> Value | false when
- VarName :: string(),
- Value :: string().
+ VarName :: env_var_name(),
+ Value :: env_var_value().
getenv(_) ->
erlang:nif_error(undef).
-spec getenv(VarName, DefaultValue) -> Value when
- VarName :: string(),
- DefaultValue :: string(),
- Value :: string().
+ VarName :: env_var_name(),
+ DefaultValue :: env_var_value(),
+ Value :: env_var_value().
getenv(VarName, DefaultValue) ->
case os:getenv(VarName) of
@@ -75,8 +85,8 @@ perf_counter(Unit) ->
erlang:convert_time_unit(os:perf_counter(), perf_counter, Unit).
-spec putenv(VarName, Value) -> true when
- VarName :: string(),
- Value :: string().
+ VarName :: env_var_name(),
+ Value :: env_var_value().
putenv(_, _) ->
erlang:nif_error(undef).
@@ -99,7 +109,7 @@ timestamp() ->
erlang:nif_error(undef).
-spec unsetenv(VarName) -> true when
- VarName :: string().
+ VarName :: env_var_name().
unsetenv(_) ->
erlang:nif_error(undef).
@@ -178,7 +188,7 @@ verify_executable(Name0, [Ext|Rest], OrigExtensions) ->
end;
verify_executable(Name, [], OrigExtensions) when OrigExtensions =/= [""] -> %% Windows
%% Will only happen on windows, hence case insensitivity
- case can_be_full_name(string:to_lower(Name),OrigExtensions) of
+ case can_be_full_name(string:lowercase(Name),OrigExtensions) of
true ->
verify_executable(Name,[""],[""]);
_ ->
@@ -232,10 +242,9 @@ extensions() ->
%% Executes the given command in the default shell for the operating system.
-spec cmd(Command) -> string() when
- Command :: atom() | io_lib:chars().
+ Command :: os:command_input().
cmd(Cmd) ->
- validate(Cmd),
- {SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), Cmd),
+ {SpawnCmd, SpawnOpts, SpawnInput, Eot} = mk_cmd(os:type(), validate(Cmd)),
Port = open_port({spawn, SpawnCmd}, [binary, stderr_to_stdout,
stream, in, hide | SpawnOpts]),
MonRef = erlang:monitor(port, Port),
@@ -255,8 +264,6 @@ mk_cmd({win32,Wtype}, Cmd) ->
{Cspec,_} -> lists:concat([Cspec," /c",Cmd])
end,
{Command, [], [], <<>>};
-mk_cmd(OsType,Cmd) when is_atom(Cmd) ->
- mk_cmd(OsType, atom_to_list(Cmd));
mk_cmd(_,Cmd) ->
%% Have to send command in like this in order to make sh commands like
%% cd and ulimit available
@@ -279,17 +286,33 @@ mk_cmd(_,Cmd) ->
<<$\^D>>}.
validate(Atom) when is_atom(Atom) ->
- ok;
+ validate(atom_to_list(Atom));
validate(List) when is_list(List) ->
- validate1(List).
+ case validate1(List) of
+ false ->
+ List;
+ true ->
+ %% Had zeros at end; remove them...
+ string:trim(List, trailing, [0])
+ end.
-validate1([C|Rest]) when is_integer(C) ->
+validate1([0|Rest]) ->
+ validate2(Rest);
+validate1([C|Rest]) when is_integer(C), C > 0 ->
validate1(Rest);
validate1([List|Rest]) when is_list(List) ->
- validate1(List),
- validate1(Rest);
+ validate1(List) or validate1(Rest);
validate1([]) ->
- ok.
+ false.
+
+%% Ensure that the rest is zero only...
+validate2([]) ->
+ true;
+validate2([0|Rest]) ->
+ validate2(Rest);
+validate2([List|Rest]) when is_list(List) ->
+ validate2(List),
+ validate2(Rest).
get_data(Port, MonRef, Eot, Sofar) ->
receive
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 18:29:18 +0000