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-rw-r--r--lib/kernel/src/Makefile4
-rw-r--r--lib/kernel/src/application_controller.erl4
-rw-r--r--lib/kernel/src/code.erl178
-rw-r--r--lib/kernel/src/code_server.erl28
-rw-r--r--lib/kernel/src/disk_log.erl401
-rw-r--r--lib/kernel/src/disk_log.hrl10
-rw-r--r--lib/kernel/src/disk_log_1.erl62
-rw-r--r--lib/kernel/src/dist_ac.erl12
-rw-r--r--lib/kernel/src/dist_util.erl70
-rw-r--r--lib/kernel/src/erl_signal_handler.erl57
-rw-r--r--lib/kernel/src/error_logger.erl20
-rw-r--r--lib/kernel/src/erts_debug.erl25
-rw-r--r--lib/kernel/src/file.erl51
-rw-r--r--lib/kernel/src/global.erl21
-rw-r--r--lib/kernel/src/group.erl5
-rw-r--r--lib/kernel/src/group_history.erl341
-rw-r--r--lib/kernel/src/hipe_ext_format.hrl12
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl379
-rw-r--r--lib/kernel/src/inet.erl10
-rw-r--r--lib/kernel/src/inet_db.erl3
-rw-r--r--lib/kernel/src/inet_int.hrl3
-rw-r--r--lib/kernel/src/inet_parse.erl104
-rw-r--r--lib/kernel/src/inet_tcp_dist.erl6
-rw-r--r--lib/kernel/src/inet_udp.erl8
-rw-r--r--lib/kernel/src/kernel.app.src6
-rw-r--r--lib/kernel/src/kernel.appup.src6
-rw-r--r--lib/kernel/src/kernel.erl255
-rw-r--r--lib/kernel/src/net_kernel.erl44
-rw-r--r--lib/kernel/src/os.erl11
29 files changed, 1407 insertions, 729 deletions
diff --git a/lib/kernel/src/Makefile b/lib/kernel/src/Makefile
index 2b72f78dcf..5946620f0f 100644
--- a/lib/kernel/src/Makefile
+++ b/lib/kernel/src/Makefile
@@ -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.
@@ -71,6 +71,7 @@ MODULES = \
erl_distribution \
erl_epmd \
erl_reply \
+ erl_signal_handler \
erts_debug \
error_handler \
error_logger \
@@ -84,6 +85,7 @@ MODULES = \
global_group \
global_search \
group \
+ group_history \
heart \
hipe_unified_loader \
inet \
diff --git a/lib/kernel/src/application_controller.erl b/lib/kernel/src/application_controller.erl
index 0e61153613..3b642f5873 100644
--- a/lib/kernel/src/application_controller.erl
+++ b/lib/kernel/src/application_controller.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.
@@ -1620,7 +1620,7 @@ conv(_) -> [].
make_term(Str) ->
case erl_scan:string(Str) of
{ok, Tokens, _} ->
- case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of
+ case erl_parse:parse_term(Tokens ++ [{dot, erl_anno:new(1)}]) of
{ok, Term} ->
Term;
{error, {_,M,Reason}} ->
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index 8d0a2fbf66..9969021a6c 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.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.
@@ -70,7 +70,9 @@
where_is_file/2,
set_primary_archive/4,
clash/0,
- get_mode/0]).
+ module_status/1,
+ modified_modules/0,
+ get_mode/0]).
-deprecated({rehash,0,next_major_release}).
@@ -116,8 +118,8 @@ get_chunk(_, _) ->
is_module_native(_) ->
erlang:nif_error(undef).
--spec make_stub_module(Module, Beam, Info) -> Module when
- Module :: module(),
+-spec make_stub_module(LoaderState, Beam, Info) -> module() when
+ LoaderState :: binary(),
Beam :: binary(),
Info :: {list(), list(), binary()}.
@@ -487,13 +489,13 @@ prepare_check_uniq_1([], [_|_]=Errors) ->
{error,Errors}.
partition_on_load(Prep) ->
- P = fun({_,{Bin,_,_}}) ->
- erlang:has_prepared_code_on_load(Bin)
+ P = fun({_,{PC,_,_}}) ->
+ erlang:has_prepared_code_on_load(PC)
end,
lists:partition(P, Prep).
verify_prepared([{M,{Prep,Name,_Native}}|T])
- when is_atom(M), is_binary(Prep), is_list(Name) ->
+ when is_atom(M), is_list(Name) ->
try erlang:has_prepared_code_on_load(Prep) of
false ->
verify_prepared(T);
@@ -560,10 +562,10 @@ prepare_loading_fun() ->
GetNative = get_native_fun(),
fun(Mod, FullName, Beam) ->
case erlang:prepare_loading(Mod, Beam) of
- Prepared when is_binary(Prepared) ->
- {ok,{Prepared,FullName,GetNative(Beam)}};
{error,_}=Error ->
- Error
+ Error;
+ Prepared ->
+ {ok,{Prepared,FullName,GetNative(Beam)}}
end
end.
@@ -719,38 +721,14 @@ start_get_mode() ->
which(Module) when is_atom(Module) ->
case is_loaded(Module) of
false ->
- which2(Module);
+ which(Module, get_path());
{file, File} ->
File
end.
-which2(Module) ->
- Base = atom_to_list(Module),
- File = filename:basename(Base) ++ objfile_extension(),
- Path = get_path(),
- which(File, filename:dirname(Base), Path).
-
--spec which(file:filename(), file:filename(), [file:filename()]) ->
- 'non_existing' | file:filename().
-
-which(_, _, []) ->
- non_existing;
-which(File, Base, [Directory|Tail]) ->
- Path = if
- Base =:= "." -> Directory;
- true -> filename:join(Directory, Base)
- end,
- case erl_prim_loader:list_dir(Path) of
- {ok,Files} ->
- case lists:member(File,Files) of
- true ->
- filename:append(Path, File);
- false ->
- which(File, Base, Tail)
- end;
- _Error ->
- which(File, Base, Tail)
- end.
+which(Module, Path) when is_atom(Module) ->
+ File = atom_to_list(Module) ++ objfile_extension(),
+ where_is_file(Path, File).
%% Search the code path for a specific file. Try to locate
%% it in the code path cache if possible.
@@ -760,13 +738,33 @@ which(File, Base, [Directory|Tail]) ->
Absname :: file:filename().
where_is_file(File) when is_list(File) ->
Path = get_path(),
- which(File, ".", Path).
+ where_is_file(Path, File).
--spec where_is_file(Path :: file:filename(), Filename :: file:filename()) ->
- file:filename() | 'non_existing'.
+%% To avoid unnecessary work when looking at many modules, this also
+%% accepts pairs of directories and pre-fetched contents in the path
+-spec where_is_file(Path :: [Dir|{Dir,Files}], Filename :: file:filename()) ->
+ 'non_existing' | file:filename() when
+ Dir :: file:filename(), Files :: [file:filename()].
-where_is_file(Path, File) when is_list(Path), is_list(File) ->
- which(File, ".", Path).
+where_is_file([], _) ->
+ non_existing;
+where_is_file([{Path, Files}|Tail], File) ->
+ where_is_file(Tail, File, Path, Files);
+where_is_file([Path|Tail], File) ->
+ case erl_prim_loader:list_dir(Path) of
+ {ok,Files} ->
+ where_is_file(Tail, File, Path, Files);
+ _Error ->
+ where_is_file(Tail, File)
+ end.
+
+where_is_file(Tail, File, Path, Files) ->
+ case lists:member(File, Files) of
+ true ->
+ filename:append(Path, File);
+ false ->
+ where_is_file(Tail, File)
+ end.
-spec set_primary_archive(ArchiveFile :: file:filename(),
ArchiveBin :: binary(),
@@ -899,3 +897,97 @@ load_all_native_1([{Mod,BeamFilename}|T], ChunkTag) ->
load_all_native_1(T, ChunkTag);
load_all_native_1([], _) ->
ok.
+
+%% Returns the status of the module in relation to object file on disk.
+-spec module_status(Module :: module()) -> not_loaded | loaded | modified | removed.
+module_status(Module) ->
+ module_status(Module, code:get_path()).
+
+%% Note that we don't want to go via which/1, since it doesn't look at the
+%% disk contents at all if the module is already loaded.
+module_status(Module, PathFiles) ->
+ case code:is_loaded(Module) of
+ false -> not_loaded;
+ {file, preloaded} -> loaded;
+ {file, cover_compiled} ->
+ %% cover compilation loads directly to memory and does not
+ %% create a beam file, so report 'modified' if a file exists
+ case which(Module, PathFiles) of
+ non_existing -> removed;
+ _File -> modified
+ end;
+ {file, []} -> loaded; % no beam file - generated code
+ {file, OldFile} when is_list(OldFile) ->
+ %% we don't care whether or not the file is in the same location
+ %% as when last loaded, as long as it can be found in the path
+ case which(Module, PathFiles) of
+ non_existing -> removed;
+ Path ->
+ case module_changed_on_disk(Module, Path) of
+ true -> modified;
+ false -> loaded
+ end
+ end
+ end.
+
+%% Detects actual code changes only, e.g. to decide whether a module should
+%% be reloaded; does not care about file timestamps or compilation time
+module_changed_on_disk(Module, Path) ->
+ MD5 = erlang:get_module_info(Module, md5),
+ case erlang:system_info(hipe_architecture) of
+ undefined ->
+ %% straightforward, since native is not supported
+ MD5 =/= beam_file_md5(Path);
+ Architecture ->
+ case code:is_module_native(Module) of
+ true ->
+ %% MD5 is for native code, so we check only the native
+ %% code on disk, ignoring the beam code
+ MD5 =/= beam_file_native_md5(Path, Architecture);
+ _ ->
+ %% MD5 is for beam code, so check only the beam code on
+ %% disk, even if the file contains native code as well
+ MD5 =/= beam_file_md5(Path)
+ end
+ end.
+
+beam_file_md5(Path) ->
+ case beam_lib:md5(Path) of
+ {ok,{_Mod,MD5}} -> MD5;
+ _ -> undefined
+ end.
+
+beam_file_native_md5(Path, Architecture) ->
+ try
+ get_beam_chunk(Path, hipe_unified_loader:chunk_name(Architecture))
+ of
+ NativeCode when is_binary(NativeCode) ->
+ erlang:md5(NativeCode)
+ catch
+ _:_ -> undefined
+ end.
+
+get_beam_chunk(Path, Chunk) ->
+ {ok, {_, [{_, Bin}]}} = beam_lib:chunks(Path, [Chunk]),
+ Bin.
+
+%% Returns a list of all modules modified on disk.
+-spec modified_modules() -> [module()].
+modified_modules() ->
+ PathFiles = path_files(),
+ [M || {M, _} <- code:all_loaded(),
+ module_status(M, PathFiles) =:= modified].
+
+%% prefetch the directory contents of code path directories
+path_files() ->
+ path_files(code:get_path()).
+
+path_files([]) ->
+ [];
+path_files([Path|Tail]) ->
+ case erl_prim_loader:list_dir(Path) of
+ {ok, Files} ->
+ [{Path,Files} | path_files(Tail)];
+ _Error ->
+ path_files(Tail)
+ end.
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 59b26176bf..418b0c50e1 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -1130,19 +1130,18 @@ try_load_module_2(File, Mod, Bin, From, Architecture,
#state{moddb=Db}=St) ->
case catch hipe_unified_loader:load_native_code(Mod, Bin, Architecture) of
{module,Mod} = Module ->
- ets:insert(Db, [{{native,Mod},true},{Mod,File}]),
+ ets:insert(Db, {Mod,File}),
{reply,Module,St};
no_native ->
try_load_module_3(File, Mod, Bin, From, Architecture, St);
Error ->
error_msg("Native loading of ~ts failed: ~p\n", [File,Error]),
- {reply,ok,St}
+ {reply,{error,Error},St}
end.
-try_load_module_3(File, Mod, Bin, From, Architecture, St0) ->
+try_load_module_3(File, Mod, Bin, From, _Architecture, St0) ->
Action = fun({module,_}=Module, #state{moddb=Db}=S) ->
ets:insert(Db, {Mod,File}),
- post_beam_load([Mod], Architecture, S),
{reply,Module,S};
({error,on_load_failure}=Error, S) ->
{reply,Error,S};
@@ -1153,24 +1152,14 @@ try_load_module_3(File, Mod, Bin, From, Architecture, St0) ->
Res = erlang:load_module(Mod, Bin),
handle_on_load(Res, Action, Mod, From, St0).
-hipe_result_to_status(Result, #state{moddb=Db}) ->
+hipe_result_to_status(Result, #state{}) ->
case Result of
- {module,Mod} ->
- ets:insert(Db, [{{native,Mod},true}]),
+ {module,_} ->
Result;
_ ->
{error,Result}
end.
-post_beam_load(_, undefined, _) ->
- %% HiPE is disabled.
- ok;
-post_beam_load(Mods0, _Architecture, #state{moddb=Db}) ->
- %% post_beam_load/2 can potentially be very expensive because it
- %% blocks multi-scheduling. Therefore, we only want to call
- %% it with modules that are known to have native code loaded.
- Mods = [M || M <- Mods0, ets:member(Db, {native,M})],
- hipe_unified_loader:post_beam_load(Mods).
int_list([H|T]) when is_integer(H) -> int_list(T);
int_list([_|_]) -> false;
@@ -1313,15 +1302,12 @@ abort_if_sticky(L, Db) ->
[_|_] -> {error,Sticky}
end.
-do_finish_loading(Prepared, #state{moddb=Db}=St) ->
+do_finish_loading(Prepared, #state{moddb=Db}) ->
MagicBins = [B || {_,{B,_}} <- Prepared],
case erlang:finish_loading(MagicBins) of
ok ->
MFs = [{M,F} || {M,{_,F}} <- Prepared],
true = ets:insert(Db, MFs),
- Ms = [M || {M,_} <- MFs],
- Architecture = erlang:system_info(hipe_architecture),
- post_beam_load(Ms, Architecture, St),
ok;
{Reason,Ms} ->
{error,[{M,Reason} || M <- Ms]}
@@ -1423,7 +1409,7 @@ finish_on_load_report(Mod, Term) ->
%% from the code_server process.
spawn(fun() ->
F = "The on_load function for module "
- "~s returned ~P\n",
+ "~s returned:~n~P\n",
%% Express the call as an apply to simplify
%% the ext_mod_dep/1 test case.
diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl
index 9b44021872..70cbf1c87c 100644
--- a/lib/kernel/src/disk_log.erl
+++ b/lib/kernel/src/disk_log.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2015. 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.
@@ -67,7 +67,7 @@
%%-define(PROFILE(C), C).
-define(PROFILE(C), void).
--compile({inline,[{log_loop,5},{log_end_sync,2},{replies,2},{rflat,1}]}).
+-compile({inline,[{log_loop,6},{log_end_sync,2},{replies,2},{rflat,1}]}).
%%%----------------------------------------------------------------------
%%% Contract type specifications
@@ -75,8 +75,6 @@
-opaque continuation() :: #continuation{}.
--type bytes() :: binary() | [byte()].
-
-type file_error() :: term(). % XXX: refine
-type invalid_header() :: term(). % XXX: refine
@@ -127,28 +125,28 @@ open(A) ->
Log :: log(),
Term :: term().
log(Log, Term) ->
- req(Log, {log, term_to_binary(Term)}).
+ req(Log, {log, internal, [term_to_binary(Term)]}).
-spec blog(Log, Bytes) -> ok | {error, Reason :: log_error_rsn()} when
Log :: log(),
- Bytes :: bytes().
+ Bytes :: iodata().
blog(Log, Bytes) ->
- req(Log, {blog, check_bytes(Bytes)}).
+ req(Log, {log, external, [ensure_binary(Bytes)]}).
-spec log_terms(Log, TermList) -> ok | {error, Resaon :: log_error_rsn()} when
Log :: log(),
TermList :: [term()].
log_terms(Log, Terms) ->
Bs = terms2bins(Terms),
- req(Log, {log, Bs}).
+ req(Log, {log, internal, Bs}).
-spec blog_terms(Log, BytesList) ->
ok | {error, Reason :: log_error_rsn()} when
Log :: log(),
- BytesList :: [bytes()].
+ BytesList :: [iodata()].
blog_terms(Log, Bytess) ->
- Bs = check_bytes_list(Bytess, Bytess),
- req(Log, {blog, Bs}).
+ Bs = ensure_binary_list(Bytess),
+ req(Log, {log, external, Bs}).
-type notify_ret() :: 'ok' | {'error', 'no_such_log'}.
@@ -156,27 +154,27 @@ blog_terms(Log, Bytess) ->
Log :: log(),
Term :: term().
alog(Log, Term) ->
- notify(Log, {alog, term_to_binary(Term)}).
+ notify(Log, {alog, internal, [term_to_binary(Term)]}).
-spec alog_terms(Log, TermList) -> notify_ret() when
Log :: log(),
TermList :: [term()].
alog_terms(Log, Terms) ->
Bs = terms2bins(Terms),
- notify(Log, {alog, Bs}).
+ notify(Log, {alog, internal, Bs}).
-spec balog(Log, Bytes) -> notify_ret() when
Log :: log(),
- Bytes :: bytes().
+ Bytes :: iodata().
balog(Log, Bytes) ->
- notify(Log, {balog, check_bytes(Bytes)}).
+ notify(Log, {alog, external, [ensure_binary(Bytes)]}).
-spec balog_terms(Log, ByteList) -> notify_ret() when
Log :: log(),
- ByteList :: [bytes()].
+ ByteList :: [iodata()].
balog_terms(Log, Bytess) ->
- Bs = check_bytes_list(Bytess, Bytess),
- notify(Log, {balog, Bs}).
+ Bs = ensure_binary_list(Bytess),
+ notify(Log, {alog, external, Bs}).
-type close_error_rsn() ::'no_such_log' | 'nonode'
| {'file_error', file:filename(), file_error()}.
@@ -219,9 +217,9 @@ truncate(Log, Head) ->
-spec btruncate(Log, BHead) -> 'ok' | {'error', trunc_error_rsn()} when
Log :: log(),
- BHead :: bytes().
+ BHead :: iodata().
btruncate(Log, Head) ->
- req(Log, {truncate, {ok, check_bytes(Head)}, btruncate, 2}).
+ req(Log, {truncate, {ok, ensure_binary(Head)}, btruncate, 2}).
-type reopen_error_rsn() :: no_such_log
| nonode
@@ -248,9 +246,9 @@ reopen(Log, NewFile, NewHead) ->
-spec breopen(Log, File, BHead) -> 'ok' | {'error', reopen_error_rsn()} when
Log :: log(),
File :: file:filename(),
- BHead :: bytes().
+ BHead :: iodata().
breopen(Log, NewFile, NewHead) ->
- req(Log, {reopen, NewFile, {ok, check_bytes(NewHead)}, breopen, 3}).
+ req(Log, {reopen, NewFile, {ok, ensure_binary(NewHead)}, breopen, 3}).
-type inc_wrap_error_rsn() :: 'no_such_log' | 'nonode'
| {'read_only_mode', log()}
@@ -640,6 +638,8 @@ check_arg([{mode, read_only}|Tail], Res) ->
check_arg(Tail, Res#arg{mode = read_only});
check_arg([{mode, read_write}|Tail], Res) ->
check_arg(Tail, Res#arg{mode = read_write});
+check_arg([{quiet, Boolean}|Tail], Res) when is_boolean(Boolean) ->
+ check_arg(Tail, Res#arg{quiet = Boolean});
check_arg(Arg, _) ->
{error, {badarg, Arg}}.
@@ -670,13 +670,12 @@ init(Parent, Server) ->
process_flag(trap_exit, true),
loop(#state{parent = Parent, server = Server}).
-loop(State) when State#state.messages =:= [] ->
+loop(#state{messages = []}=State) ->
receive
Message ->
handle(Message, State)
end;
-loop(State) ->
- [M | Ms] = State#state.messages,
+loop(#state{messages = [M | Ms]}=State) ->
handle(M, State#state{messages = Ms}).
handle({From, write_cache}, S) when From =:= self() ->
@@ -686,106 +685,79 @@ handle({From, write_cache}, S) when From =:= self() ->
Error ->
loop(S#state{cache_error = Error})
end;
-handle({From, {log, B}}, S) ->
+handle({From, {log, Format, B}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok, L#log.format =:= internal ->
- log_loop(S, From, [B], [], iolist_size(B));
- L when L#log.status =:= ok, L#log.format =:= external ->
+ #log{status = ok, format=external}=L when Format =:= internal ->
reply(From, {error, {format_external, L#log.name}}, S);
- L when L#log.status =:= {blocked, false} ->
- reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
- reply(From, {error, {blocked_log, L#log.name}}, S);
- _ ->
- loop(S#state{queue = [{From, {log, B}} | S#state.queue]})
- end;
-handle({From, {blog, B}}, S) ->
- case get(log) of
- L when L#log.mode =:= read_only ->
- reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
- log_loop(S, From, [B], [], iolist_size(B));
- L when L#log.status =:= {blocked, false} ->
+ #log{status = ok, format=LogFormat} ->
+ log_loop(S, From, [B], [], iolist_size(B), LogFormat);
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {blog, B}} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({alog, B}, S) ->
+handle({alog, Format, B}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only} ->
notify_owners({read_only,B}),
loop(S);
- L when L#log.status =:= ok, L#log.format =:= internal ->
- log_loop(S, [], [B], [], iolist_size(B));
- L when L#log.status =:= ok ->
+ #log{status = ok, format = external} when Format =:= internal ->
notify_owners({format_external, B}),
loop(S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = ok, format=LogFormat} ->
+ log_loop(S, [], [B], [], iolist_size(B), LogFormat);
+ #log{status = {blocked, false}} ->
notify_owners({blocked_log, B}),
loop(S);
_ ->
- loop(S#state{queue = [{alog, B} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({balog, B}, S) ->
+handle({From, {block, QueueLogRecs}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
- notify_owners({read_only,B}),
- loop(S);
- L when L#log.status =:= ok ->
- log_loop(S, [], [B], [], iolist_size(B));
- L when L#log.status =:= {blocked, false} ->
- notify_owners({blocked_log, B}),
- loop(S);
- _ ->
- loop(S#state{queue = [{balog, B} | S#state.queue]})
- end;
-handle({From, {block, QueueLogRecs}}, S) ->
- case get(log) of
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
do_block(From, QueueLogRecs, L),
reply(From, ok, S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {block, QueueLogRecs}} |
- S#state.queue]})
+ enqueue(Message, S)
end;
handle({From, unblock}, S) ->
case get(log) of
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
reply(From, {error, {not_blocked, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
S2 = do_unblock(L, S),
reply(From, ok, S2);
L ->
reply(From, {error, {not_blocked_by_pid, L#log.name}}, S)
end;
-handle({From, sync}, S) ->
+handle({From, sync}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
- sync_loop([From], S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = ok, format=LogFormat} ->
+ log_loop(S, [], [], [From], 0, LogFormat);
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, sync} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {truncate, Head, F, A}}, S) ->
+handle({From, {truncate, Head, F, A}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
H = merge_head(Head, L#log.head),
case catch do_trunc(L, H) of
ok ->
@@ -796,48 +768,46 @@ handle({From, {truncate, Head, F, A}}, S) ->
Error ->
do_exit(S, From, Error, ?failure(Error, F, A))
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {truncate, Head, F, A}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {chunk, Pos, B, N}}, S) ->
+handle({From, {chunk, Pos, B, N}}=Message, S) ->
case get(log) of
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
R = do_chunk(L, Pos, B, N),
reply(From, R, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
R = do_chunk(L, Pos, B, N),
reply(From, R, S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_L ->
- loop(S#state{queue = [{From, {chunk, Pos, B, N}} | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {chunk_step, Pos, N}}, S) ->
+handle({From, {chunk_step, Pos, N}}=Message, S) ->
case get(log) of
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
R = do_chunk_step(L, Pos, N),
reply(From, R, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
R = do_chunk_step(L, Pos, N),
reply(From, R, S);
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {chunk_step, Pos, N}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {change_notify, Pid, NewNotify}}, S) ->
+handle({From, {change_notify, Pid, NewNotify}}=Message, S) ->
case get(log) of
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
case do_change_notify(L, Pid, NewNotify) of
{ok, L1} ->
put(log, L1),
@@ -845,39 +815,37 @@ handle({From, {change_notify, Pid, NewNotify}}, S) ->
Error ->
reply(From, Error, S)
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {change_notify, Pid, NewNotify}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {change_header, NewHead}}, S) ->
+handle({From, {change_header, NewHead}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
- case check_head(NewHead, L#log.format) of
+ #log{status = ok, format = Format}=L ->
+ case check_head(NewHead, Format) of
{ok, Head} ->
- put(log, L#log{head = mk_head(Head, L#log.format)}),
+ put(log, L#log{head = mk_head(Head, Format)}),
reply(From, ok, S);
Error ->
reply(From, Error, S)
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {change_header, NewHead}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, {change_size, NewSize}}, S) ->
+handle({From, {change_size, NewSize}}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
case check_size(L#log.type, NewSize) of
ok ->
case catch do_change_size(L, NewSize) of % does the put
@@ -894,23 +862,22 @@ handle({From, {change_size, NewSize}}, S) ->
not_ok ->
reply(From, {error, {badarg, size}}, S)
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, {change_size, NewSize}}
- | S#state.queue]})
+ enqueue(Message, S)
end;
-handle({From, inc_wrap_file}, S) ->
+handle({From, inc_wrap_file}=Message, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.type =:= halt ->
+ #log{type = halt}=L ->
reply(From, {error, {halt_log, L#log.name}}, S);
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok ->
+ #log{status = ok}=L ->
case catch do_inc_wrap_file(L) of
{ok, L2, Lost} ->
put(log, L2),
@@ -920,20 +887,22 @@ handle({From, inc_wrap_file}, S) ->
put(log, L2),
reply(From, Error, state_err(S, Error))
end;
- L when L#log.status =:= {blocked, false} ->
+ #log{status = {blocked, false}}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
- L when L#log.blocked_by =:= From ->
+ #log{blocked_by = From}=L ->
reply(From, {error, {blocked_log, L#log.name}}, S);
_ ->
- loop(S#state{queue = [{From, inc_wrap_file} | S#state.queue]})
+ enqueue(Message, S)
end;
handle({From, {reopen, NewFile, Head, F, A}}, S) ->
case get(log) of
- L when L#log.mode =:= read_only ->
+ #log{mode = read_only}=L ->
reply(From, {error, {read_only_mode, L#log.name}}, S);
- L when L#log.status =:= ok, S#state.cache_error =/= ok ->
+ #log{status = ok} when S#state.cache_error =/= ok ->
loop(cache_error(S, [From]));
- L when L#log.status =:= ok, L#log.filename =/= NewFile ->
+ #log{status = ok, filename = NewFile}=L ->
+ reply(From, {error, {same_file_name, L#log.name}}, S);
+ #log{status = ok}=L ->
case catch close_disk_log2(L) of
closed ->
File = L#log.filename,
@@ -966,8 +935,6 @@ handle({From, {reopen, NewFile, Head, F, A}}, S) ->
Error ->
do_exit(S, From, Error, ?failure(Error, F, A))
end;
- L when L#log.status =:= ok ->
- reply(From, {error, {same_file_name, L#log.name}}, S);
L ->
reply(From, {error, {blocked_log, L#log.name}}, S)
end;
@@ -1005,11 +972,11 @@ handle({From, close}, S) ->
end;
handle({From, info}, S) ->
reply(From, do_info(get(log), S#state.cnt), S);
-handle({'EXIT', From, Reason}, S) when From =:= S#state.parent ->
+handle({'EXIT', From, Reason}, #state{parent=From}=S) ->
%% Parent orders shutdown.
_ = do_stop(S),
exit(Reason);
-handle({'EXIT', From, Reason}, S) when From =:= S#state.server ->
+handle({'EXIT', From, Reason}, #state{server=From}=S) ->
%% The server is gone.
_ = do_stop(S),
exit(Reason);
@@ -1034,57 +1001,59 @@ handle({system, From, Req}, S) ->
handle(_, S) ->
loop(S).
-sync_loop(From, S) ->
- log_loop(S, [], [], From, 0).
+enqueue(Message, #state{queue = Queue}=S) ->
+ loop(S#state{queue = [Message | Queue]}).
+
+%% Collect further log and sync requests already in the mailbox or queued
-define(MAX_LOOK_AHEAD, 64*1024).
%% Inlined.
-log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz) when CE =/= ok ->
+log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz, _F) when CE =/= ok ->
loop(cache_error(S, Pids));
-log_loop(#state{}=S, Pids, Bins, Sync, Sz) when Sz > ?MAX_LOOK_AHEAD ->
- loop(log_end(S, Pids, Bins, Sync));
-log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) ->
- receive
+log_loop(#state{}=S, Pids, Bins, Sync, Sz, _F) when Sz > ?MAX_LOOK_AHEAD ->
+ loop(log_end(S, Pids, Bins, Sync, Sz));
+log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz, F) ->
+ receive
Message ->
- log_loop(Message, Pids, Bins, Sync, Sz, S, get(log))
+ log_loop(Message, Pids, Bins, Sync, Sz, F, S)
after 0 ->
- loop(log_end(S, Pids, Bins, Sync))
+ loop(log_end(S, Pids, Bins, Sync, Sz))
end;
-log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz) ->
+log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz, F) ->
S1 = S#state{messages = Ms},
- log_loop(M, Pids, Bins, Sync, Sz, S1, get(log)).
+ log_loop(M, Pids, Bins, Sync, Sz, F, S1).
%% Items logged after the last sync request found are sync:ed as well.
-log_loop({alog,B}, Pids, Bins, Sync, Sz, S, #log{format = internal}) ->
- %% {alog, _} allowed for the internal format only.
- log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({balog, B}, Pids, Bins, Sync, Sz, S, _L) ->
- log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({From, {log, B}}, Pids, Bins, Sync, Sz, S, #log{format = internal}) ->
- %% {log, _} allowed for the internal format only.
- log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({From, {blog, B}}, Pids, Bins, Sync, Sz, S, _L) ->
- log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B));
-log_loop({From, sync}, Pids, Bins, Sync, Sz, S, _L) ->
- log_loop(S, Pids, Bins, [From | Sync], Sz);
-log_loop(Message, Pids, Bins, Sync, _Sz, S, _L) ->
- NS = log_end(S, Pids, Bins, Sync),
+log_loop({alog, internal, B}, Pids, Bins, Sync, Sz, internal=F, S) ->
+ %% alog of terms allowed for the internal format only
+ log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({alog, binary, B}, Pids, Bins, Sync, Sz, F, S) ->
+ log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({From, {log, internal, B}}, Pids, Bins, Sync, Sz, internal=F, S) ->
+ %% log of terms allowed for the internal format only
+ log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({From, {log, binary, B}}, Pids, Bins, Sync, Sz, F, S) ->
+ log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B), F);
+log_loop({From, sync}, Pids, Bins, Sync, Sz, F, S) ->
+ log_loop(S, Pids, Bins, [From | Sync], Sz, F);
+log_loop(Message, Pids, Bins, Sync, Sz, _F, S) ->
+ NS = log_end(S, Pids, Bins, Sync, Sz),
handle(Message, NS).
-log_end(S, [], [], Sync) ->
+log_end(S, [], [], Sync, _Sz) ->
log_end_sync(S, Sync);
-log_end(S, Pids, Bins, Sync) ->
- case do_log(get(log), rflat(Bins)) of
+log_end(#state{cnt = Cnt}=S, Pids, Bins, Sync, Sz) ->
+ case do_log(get(log), rflat(Bins), Sz) of
N when is_integer(N) ->
ok = replies(Pids, ok),
- S1 = (state_ok(S))#state{cnt = S#state.cnt+N},
+ S1 = (state_ok(S))#state{cnt = Cnt + N},
log_end_sync(S1, Sync);
{error, {error, {full, _Name}}, N} when Pids =:= [] ->
- log_end_sync(state_ok(S#state{cnt = S#state.cnt + N}), Sync);
+ log_end_sync(state_ok(S#state{cnt = Cnt + N}), Sync);
{error, Error, N} ->
ok = replies(Pids, Error),
- state_err(S#state{cnt = S#state.cnt + N}, Error)
+ state_err(S#state{cnt = Cnt + N}, Error)
end.
%% Inlined.
@@ -1096,12 +1065,9 @@ log_end_sync(S, Sync) ->
state_err(S, Res).
%% Inlined.
-rflat([B]=L) when is_binary(B) -> L;
rflat([B]) -> B;
rflat(B) -> rflat(B, []).
-rflat([B | Bs], L) when is_binary(B) ->
- rflat(Bs, [B | L]);
rflat([B | Bs], L) ->
rflat(Bs, B ++ L);
rflat([], L) -> L.
@@ -1138,17 +1104,17 @@ close_owner(Pid, L, S) ->
S2 = do_unblock(Pid, get(log), S),
unlink(Pid),
do_close2(L1, S2).
-
+
%% -> {stop, S} | {continue, S}
-close_user(Pid, L, S) when L#log.users > 0 ->
- L1 = L#log{users = L#log.users - 1},
+close_user(Pid, #log{users=Users}=L, S) when Users > 0 ->
+ L1 = L#log{users = Users - 1},
put(log, L1),
S2 = do_unblock(Pid, get(log), S),
do_close2(L1, S2);
close_user(_Pid, _L, S) ->
{continue, S}.
-do_close2(L, S) when L#log.users =:= 0, L#log.owners =:= [] ->
+do_close2(#log{users = 0, owners = []}, S) ->
{stop, S};
do_close2(_L, S) ->
{continue, S}.
@@ -1227,14 +1193,14 @@ add_pid(Pid, Notify, L) when is_pid(Pid) ->
add_pid(_NotAPid, _Notify, L) ->
{ok, L#log{users = L#log.users + 1}}.
-unblock_pid(L) when L#log.blocked_by =:= none ->
+unblock_pid(#log{blocked_by = none}) ->
ok;
-unblock_pid(L) ->
- case is_owner(L#log.blocked_by, L) of
+unblock_pid(#log{blocked_by = Pid}=L) ->
+ case is_owner(Pid, L) of
{true, _Notify} ->
ok;
false ->
- unlink(L#log.blocked_by)
+ unlink(Pid)
end.
%% -> true | false
@@ -1312,7 +1278,8 @@ compare_arg(_Attr, _Val, _A) ->
do_open(A) ->
#arg{type = Type, format = Format, name = Name, head = Head0,
file = FName, repair = Repair, size = Size, mode = Mode,
- version = V} = A,
+ quiet = Quiet, version = V} = A,
+ disk_log_1:set_quiet(Quiet),
Head = mk_head(Head0, Format),
case do_open2(Type, Format, Name, FName, Repair, Size, Mode, Head, V) of
{ok, Ret, Extra, FormatType, NoItems} ->
@@ -1326,7 +1293,7 @@ do_open(A) ->
end.
mk_head({head, Term}, internal) -> {ok, term_to_binary(Term)};
-mk_head({head, Bytes}, external) -> {ok, check_bytes(Bytes)};
+mk_head({head, Bytes}, external) -> {ok, ensure_binary(Bytes)};
mk_head(H, _) -> H.
terms2bins([T | Ts]) ->
@@ -1334,30 +1301,29 @@ terms2bins([T | Ts]) ->
terms2bins([]) ->
[].
-check_bytes_list([B | Bs], Bs0) when is_binary(B) ->
- check_bytes_list(Bs, Bs0);
-check_bytes_list([], Bs0) ->
+ensure_binary_list(Bs) ->
+ ensure_binary_list(Bs, Bs).
+
+ensure_binary_list([B | Bs], Bs0) when is_binary(B) ->
+ ensure_binary_list(Bs, Bs0);
+ensure_binary_list([], Bs0) ->
Bs0;
-check_bytes_list(_, Bs0) ->
- check_bytes_list(Bs0).
-
-check_bytes_list([B | Bs]) when is_binary(B) ->
- [B | check_bytes_list(Bs)];
-check_bytes_list([B | Bs]) ->
- [list_to_binary(B) | check_bytes_list(Bs)];
-check_bytes_list([]) ->
+ensure_binary_list(_, Bs0) ->
+ make_binary_list(Bs0).
+
+make_binary_list([B | Bs]) ->
+ [ensure_binary(B) | make_binary_list(Bs)];
+make_binary_list([]) ->
[].
-check_bytes(Binary) when is_binary(Binary) ->
- Binary;
-check_bytes(Bytes) ->
- list_to_binary(Bytes).
+ensure_binary(Bytes) ->
+ iolist_to_binary(Bytes).
%%-----------------------------------------------------------------
%% Change size of the logs in runtime.
%%-----------------------------------------------------------------
%% -> ok | {big, CurSize} | throw(Error)
-do_change_size(L, NewSize) when L#log.type =:= halt ->
+do_change_size(#log{type = halt}=L, NewSize) ->
Halt = L#log.extra,
CurB = Halt#halt.curB,
NewLog = L#log{extra = Halt#halt{size = NewSize}},
@@ -1373,7 +1339,7 @@ do_change_size(L, NewSize) when L#log.type =:= halt ->
true ->
{big, CurB}
end;
-do_change_size(L, NewSize) when L#log.type =:= wrap ->
+do_change_size(#log{type = wrap}=L, NewSize) ->
#log{extra = Extra, version = Version} = L,
{ok, Handle} = disk_log_1:change_size_wrap(Extra, NewSize, Version),
erase(is_full),
@@ -1388,7 +1354,7 @@ check_head({head_func, {M, F, A}}, _Format) when is_atom(M),
is_list(A) ->
{ok, {M, F, A}};
check_head({head, Head}, external) ->
- case catch check_bytes(Head) of
+ case catch ensure_binary(Head) of
{'EXIT', _} ->
{error, {badarg, head}};
_ ->
@@ -1674,7 +1640,7 @@ do_block(Pid, QueueLogRecs, L) ->
link(Pid)
end.
-do_unblock(Pid, L, S) when L#log.blocked_by =:= Pid ->
+do_unblock(Pid, #log{blocked_by = Pid}=L, S) ->
do_unblock(L, S);
do_unblock(_Pid, _L, S) ->
S.
@@ -1692,10 +1658,13 @@ do_unblock(L, S) ->
-spec do_log(#log{}, [binary()]) -> integer() | {'error', _, integer()}.
-do_log(L, B) when L#log.type =:= halt ->
+do_log(L, B) ->
+ do_log(L, B, iolist_size(B)).
+
+do_log(#log{type = halt}=L, B, BSz) ->
#log{format = Format, extra = Halt} = L,
#halt{curB = CurSize, size = Sz} = Halt,
- {Bs, BSize} = bsize(B, Format),
+ {Bs, BSize} = logl(B, Format, BSz),
case get(is_full) of
true ->
{error, {error, {full, L#log.name}}, 0};
@@ -1704,7 +1673,7 @@ do_log(L, B) when L#log.type =:= halt ->
undefined ->
halt_write_full(L, B, Format, 0)
end;
-do_log(L, B) when L#log.format_type =:= wrap_int ->
+do_log(#log{format_type = wrap_int}=L, B, _BSz) ->
case disk_log_1:mf_int_log(L#log.extra, B, L#log.head) of
{ok, Handle, Logged, Lost, Wraps} ->
notify_owners_wrap(Wraps),
@@ -1717,7 +1686,7 @@ do_log(L, B) when L#log.format_type =:= wrap_int ->
put(log, L#log{extra = Handle}),
{error, Error, Logged - Lost}
end;
-do_log(L, B) when L#log.format_type =:= wrap_ext ->
+do_log(#log{format_type = wrap_ext}=L, B, _BSz) ->
case disk_log_1:mf_ext_log(L#log.extra, B, L#log.head) of
{ok, Handle, Logged, Lost, Wraps} ->
notify_owners_wrap(Wraps),
@@ -1731,17 +1700,16 @@ do_log(L, B) when L#log.format_type =:= wrap_ext ->
{error, Error, Logged - Lost}
end.
-bsize(B, external) ->
- {B, xsz(B, 0)};
-bsize(B, internal) ->
+logl(B, external, undefined) ->
+ {B, iolist_size(B)};
+logl(B, external, Sz) ->
+ {B, Sz};
+logl(B, internal, _Sz) ->
disk_log_1:logl(B).
-xsz([B|T], Sz) -> xsz(T, byte_size(B) + Sz);
-xsz([], Sz) -> Sz.
-
halt_write_full(L, [Bin | Bins], Format, N) ->
B = [Bin],
- {Bs, BSize} = bsize(B, Format),
+ {Bs, BSize} = logl(B, Format, undefined),
Halt = L#log.extra,
#halt{curB = CurSize, size = Sz} = Halt,
if
@@ -1793,7 +1761,7 @@ do_sync(#log{type = wrap, extra = Handle} = Log) ->
Reply.
%% -> ok | Error | throw(Error)
-do_trunc(L, Head) when L#log.type =:= halt ->
+do_trunc(#log{type = halt}=L, Head) ->
#log{filename = FName, extra = Halt} = L,
FdC = Halt#halt.fdc,
{Reply1, FdC2} =
@@ -1822,7 +1790,7 @@ do_trunc(L, Head) when L#log.type =:= halt ->
end,
put(log, L#log{extra = NewHalt}),
Reply;
-do_trunc(L, Head) when L#log.type =:= wrap ->
+do_trunc(#log{type = wrap}=L, Head) ->
Handle = L#log.extra,
OldHead = L#log.head,
{MaxB, MaxF} = disk_log_1:get_wrap_size(Handle),
@@ -2016,8 +1984,7 @@ notify_owners(Note) ->
(_) -> ok
end, L#log.owners).
-cache_error(S, Pids) ->
- Error = S#state.cache_error,
+cache_error(#state{cache_error=Error}=S, Pids) ->
ok = replies(Pids, Error),
state_err(S#state{cache_error = ok}, Error).
diff --git a/lib/kernel/src/disk_log.hrl b/lib/kernel/src/disk_log.hrl
index 3262d979ee..a362881f40 100644
--- a/lib/kernel/src/disk_log.hrl
+++ b/lib/kernel/src/disk_log.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2015. 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.
@@ -39,6 +39,7 @@
-define(MAX_FILES, 65000).
-define(MAX_BYTES, ((1 bsl 64) - 1)).
-define(MAX_CHUNK_SIZE, 65536).
+-define(MAX_FWRITE_CACHE, 65536).
%% Object defines
-define(LOGMAGIC, <<1,2,3,4>>).
@@ -54,11 +55,10 @@
%% Types -- alphabetically
%%------------------------------------------------------------------------
--type dlog_byte() :: [dlog_byte()] | byte().
-type dlog_format() :: 'external' | 'internal'.
-type dlog_format_type() :: 'halt_ext' | 'halt_int' | 'wrap_ext' | 'wrap_int'.
-type dlog_head() :: 'none' | {'ok', binary()} | mfa().
--type dlog_head_opt() :: none | term() | binary() | [dlog_byte()].
+-type dlog_head_opt() :: none | term() | iodata().
-type log() :: term(). % XXX: refine
-type dlog_mode() :: 'read_only' | 'read_write'.
-type dlog_name() :: atom() | string().
@@ -69,13 +69,14 @@
| {file, FileName :: file:filename()}
| {linkto, LinkTo :: none | pid()}
| {repair, Repair :: true | false | truncate}
- | {type, Type :: dlog_type}
+ | {type, Type :: dlog_type()}
| {format, Format :: dlog_format()}
| {size, Size :: dlog_size()}
| {distributed, Nodes :: [node()]}
| {notify, boolean()}
| {head, Head :: dlog_head_opt()}
| {head_func, MFA :: {atom(), atom(), list()}}
+ | {quiet, boolean()}
| {mode, Mode :: dlog_mode()}.
-type dlog_options() :: [dlog_option()].
-type dlog_repair() :: 'truncate' | boolean().
@@ -102,6 +103,7 @@
head = none,
mode = read_write :: dlog_mode(),
notify = false :: boolean(),
+ quiet = false :: boolean(),
options = [] :: dlog_options()}).
-record(cache, %% Cache for logged terms (per file descriptor).
diff --git a/lib/kernel/src/disk_log_1.erl b/lib/kernel/src/disk_log_1.erl
index 2e61363aa6..93856aa7b3 100644
--- a/lib/kernel/src/disk_log_1.erl
+++ b/lib/kernel/src/disk_log_1.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.
@@ -37,6 +37,7 @@
-export([get_wrap_size/1]).
-export([is_head/1]).
-export([position/3, truncate_at/3, fwrite/4, fclose/2]).
+-export([set_quiet/1, is_quiet/0]).
-compile({inline,[{scan_f2,7}]}).
@@ -500,7 +501,10 @@ lh(H, _F) -> % cannot happen
repair(In, File) ->
FSz = file_size(File),
- error_logger:info_msg("disk_log: repairing ~tp ...\n", [File]),
+ case is_quiet() of
+ true -> ok;
+ _ -> error_logger:info_msg("disk_log: repairing ~tp ...\n", [File])
+ end,
Tmp = add_ext(File, "TMP"),
{ok, {_Alloc, Out, {0, _}, _FileSize}} = new_int_file(Tmp, none),
scan_f_read(<<>>, In, Out, File, FSz, Tmp, ?MAX_CHUNK_SIZE, 0, 0).
@@ -769,8 +773,11 @@ mf_int_chunk(Handle, {FileNo, Pos}, Bin, N) ->
NFileNo = inc(FileNo, Handle#handle.maxF),
case catch int_open(FName, true, read_only, any) of
{error, _Reason} ->
- error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n",
- [FName]),
+ case is_quiet() of
+ true -> ok;
+ _ -> error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n",
+ [FName])
+ end,
mf_int_chunk(Handle, {NFileNo, 0}, [], N);
{ok, {_Alloc, FdC, _HeadSize, _FileSize}} ->
case chunk(FdC, FName, Pos, Bin, N) of
@@ -797,9 +804,12 @@ mf_int_chunk_read_only(Handle, {FileNo, Pos}, Bin, N) ->
NFileNo = inc(FileNo, Handle#handle.maxF),
case catch int_open(FName, true, read_only, any) of
{error, _Reason} ->
- error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n",
- [FName]),
- mf_int_chunk_read_only(Handle, {NFileNo, 0}, [], N);
+ case is_quiet() of
+ true -> ok;
+ _ -> error_logger:info_msg("disk_log: chunk error. File ~tp missing.\n\n",
+ [FName])
+ end,
+ mf_int_chunk_read_only(Handle, {NFileNo, 0}, [], N);
{ok, {_Alloc, FdC, _HeadSize, _FileSize}} ->
case do_chunk_read_only(FdC, FName, Pos, Bin, N) of
{NewFdC, eof} ->
@@ -1416,24 +1426,36 @@ open_truncate(FileName) ->
%%% Functions that access files, and throw on error.
--define(MAX, 16384). % bytes
-define(TIMEOUT, 2000). % ms
%% -> {Reply, cache()}; Reply = ok | Error
-fwrite(#cache{c = []} = FdC, _FN, B, Size) ->
+fwrite(FdC, _FN, _B, 0) ->
+ {ok, FdC}; % avoid starting a timer for empty writes
+fwrite(#cache{fd = Fd, c = C, sz = Sz} = FdC, FileName, B, Size) ->
+ Sz1 = Sz + Size,
+ C1 = cache_append(C, B),
+ if Sz1 > ?MAX_FWRITE_CACHE ->
+ write_cache(Fd, FileName, C1);
+ true ->
+ maybe_start_timer(C),
+ {ok, FdC#cache{sz = Sz1, c = C1}}
+ end.
+
+cache_append([], B) -> B;
+cache_append(C, B) -> [C | B].
+
+%% if the cache was empty, start timer (unless it's already running)
+maybe_start_timer([]) ->
case get(write_cache_timer_is_running) of
- true ->
+ true ->
ok;
- _ ->
+ _ ->
put(write_cache_timer_is_running, true),
erlang:send_after(?TIMEOUT, self(), {self(), write_cache}),
ok
- end,
- {ok, FdC#cache{sz = Size, c = B}};
-fwrite(#cache{sz = Sz, c = C} = FdC, _FN, B, Size) when Sz < ?MAX ->
- {ok, FdC#cache{sz = Sz+Size, c = [C | B]}};
-fwrite(#cache{fd = Fd, c = C}, FileName, B, _Size) ->
- write_cache(Fd, FileName, [C | B]).
+ end;
+maybe_start_timer(_C) ->
+ ok.
fwrite_header(Fd, B, Size) ->
{ok, #cache{fd = Fd, sz = Size, c = B}}.
@@ -1537,6 +1559,12 @@ fclose(#cache{fd = Fd, c = C}, FileName) ->
_ = write_cache_close(Fd, FileName, C),
file:close(Fd).
+set_quiet(Bool) ->
+ put(quiet, Bool).
+
+is_quiet() ->
+ get(quiet) =:= true.
+
%% -> {Reply, #cache{}}; Reply = ok | Error
write_cache(Fd, _FileName, []) ->
{ok, #cache{fd = Fd}};
diff --git a/lib/kernel/src/dist_ac.erl b/lib/kernel/src/dist_ac.erl
index 6c2fa0b6b1..2a5cf0ba92 100644
--- a/lib/kernel/src/dist_ac.erl
+++ b/lib/kernel/src/dist_ac.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.
@@ -123,7 +123,7 @@ load_application(AppName, DistNodes) ->
gen_server:call(?DIST_AC, {load_application, AppName, DistNodes}, infinity).
takeover_application(AppName, RestartType) ->
- case validRestartType(RestartType) of
+ case valid_restart_type(RestartType) of
true ->
wait_for_sync_dacs(),
Nodes = get_nodes(AppName),
@@ -1514,10 +1514,10 @@ dist_del_node(Appls, Node) ->
Appl#appl{run = NRun}
end, Appls).
-validRestartType(permanent) -> true;
-validRestartType(temporary) -> true;
-validRestartType(transient) -> true;
-validRestartType(_RestartType) -> false.
+valid_restart_type(permanent) -> true;
+valid_restart_type(temporary) -> true;
+valid_restart_type(transient) -> true;
+valid_restart_type(_RestartType) -> false.
dist_mismatch(AppName, Node) ->
error_msg("Distribution mismatch for application \"~p\" on nodes ~p and ~p~n",
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index 8d2fc4d4b7..b3507e5d13 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2017. 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.
@@ -131,7 +131,7 @@ handshake_other_started(#hs_data{request_type=ReqType}=HSData0) ->
other_version=Version,
other_node=Node,
other_started=true},
- check_dflag_xnc(HSData),
+ check_dflags(HSData),
is_allowed(HSData),
?debug({"MD5 connection from ~p (V~p)~n",
[Node, HSData#hs_data.other_version]}),
@@ -168,27 +168,24 @@ is_allowed(#hs_data{other_node = Node,
%% Check that both nodes can handle the same types of extended
%% node containers. If they can not, abort the connection.
%%
-check_dflag_xnc(#hs_data{other_node = Node,
- other_flags = OtherFlags,
- other_started = OtherStarted} = HSData) ->
- XRFlg = ?DFLAG_EXTENDED_REFERENCES,
- XPPFlg = case erlang:system_info(compat_rel) of
- R when R >= 10 ->
- ?DFLAG_EXTENDED_PIDS_PORTS;
- _ ->
- 0
- end,
- ReqXncFlags = XRFlg bor XPPFlg,
- case OtherFlags band ReqXncFlags =:= ReqXncFlags of
- true ->
- ok;
- false ->
- What = case {OtherFlags band XRFlg =:= XRFlg,
- OtherFlags band XPPFlg =:= XPPFlg} of
- {false, false} -> "references, pids and ports";
- {true, false} -> "pids and ports";
- {false, true} -> "references"
- end,
+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),
+ case Missing of
+ [] ->
+ ok;
+ _ ->
case OtherStarted of
true ->
send_status(HSData, not_allowed),
@@ -199,9 +196,9 @@ check_dflag_xnc(#hs_data{other_node = Node,
How = "aborted"
end,
error_msg("** ~w: Connection attempt ~s node ~w ~s "
- "since it cannot handle extended ~s. "
- "**~n", [node(), Dir, Node, How, What]),
- ?shutdown2(Node, {check_dflag_xnc_failed, What})
+ "since it cannot handle ~p."
+ "**~n", [node(), Dir, Node, How, Missing]),
+ ?shutdown2(Node, {check_dflags_failed, Missing})
end.
@@ -327,7 +324,7 @@ handshake_we_started(#hs_data{request_type=ReqType,
NewHSData = HSData#hs_data{this_flags = ThisFlags,
other_flags = OtherFlags,
other_started = false},
- check_dflag_xnc(NewHSData),
+ check_dflags(NewHSData),
MyChallenge = gen_challenge(),
{MyCookie,HisCookie} = get_cookies(Node),
send_challenge_reply(NewHSData,MyChallenge,
@@ -575,12 +572,25 @@ recv_name(#hs_data{socket = Socket, f_recv = Recv}) ->
?shutdown(no_node)
end.
-get_name([$n,VersionA, VersionB, Flag1, Flag2, Flag3, Flag4 | OtherNode]) ->
- {?u32(Flag1, Flag2, Flag3, Flag4), list_to_atom(OtherNode),
- ?u16(VersionA,VersionB)};
+get_name([$n,VersionA, VersionB, Flag1, Flag2, Flag3, Flag4 | OtherNode] = Data) ->
+ case is_valid_name(OtherNode) of
+ true ->
+ {?u32(Flag1, Flag2, Flag3, Flag4), list_to_atom(OtherNode),
+ ?u16(VersionA,VersionB)};
+ false ->
+ ?shutdown(Data)
+ end;
get_name(Data) ->
?shutdown(Data).
+is_valid_name(OtherNodeName) ->
+ case string:lexemes(OtherNodeName,"@") of
+ [_OtherNodeName,_OtherNodeHost] ->
+ true;
+ _else ->
+ false
+ end.
+
publish_type(Flags) ->
case Flags band ?DFLAG_PUBLISHED of
0 ->
diff --git a/lib/kernel/src/erl_signal_handler.erl b/lib/kernel/src/erl_signal_handler.erl
new file mode 100644
index 0000000000..22f235d4e4
--- /dev/null
+++ b/lib/kernel/src/erl_signal_handler.erl
@@ -0,0 +1,57 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(erl_signal_handler).
+-behaviour(gen_event).
+-export([init/1, format_status/2,
+ handle_event/2, handle_call/2, handle_info/2,
+ terminate/2, code_change/3]).
+
+-record(state,{}).
+
+init(_Args) ->
+ {ok, #state{}}.
+
+handle_event(sigusr1, S) ->
+ erlang:halt("Received SIGUSR1"),
+ {ok, S};
+handle_event(sigquit, S) ->
+ erlang:halt(),
+ {ok, S};
+handle_event(sigterm, S) ->
+ error_logger:info_msg("SIGTERM received - shutting down~n"),
+ ok = init:stop(),
+ {ok, S};
+handle_event(_SignalMsg, S) ->
+ {ok, S}.
+
+handle_info(_Info, S) ->
+ {ok, S}.
+
+handle_call(_Request, S) ->
+ {ok, ok, S}.
+
+format_status(_Opt, [_Pdict,_S]) ->
+ ok.
+
+code_change(_OldVsn, S, _Extra) ->
+ {ok, S}.
+
+terminate(_Args, _S) ->
+ ok.
diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl
index 81f1bf8d97..9bf8547745 100644
--- a/lib/kernel/src/error_logger.erl
+++ b/lib/kernel/src/error_logger.erl
@@ -31,6 +31,8 @@
handle_event/2, handle_call/2, handle_info/2,
terminate/2]).
+-export([get_format_depth/0, limit_term/1]).
+
-define(buffer_size, 10).
%%-----------------------------------------------------------------
@@ -518,3 +520,21 @@ string_p1([H|T]) when is_list(H) ->
end;
string_p1([]) -> true;
string_p1(_) -> false.
+
+-spec limit_term(term()) -> term().
+
+limit_term(Term) ->
+ case get_format_depth() of
+ unlimited -> Term;
+ D -> io_lib:limit_term(Term, D)
+ end.
+
+-spec get_format_depth() -> 'unlimited' | pos_integer().
+
+get_format_depth() ->
+ case application:get_env(kernel, error_logger_format_depth) of
+ {ok, Depth} when is_integer(Depth) ->
+ max(10, Depth);
+ undefined ->
+ unlimited
+ end.
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 7b3f1e313a..ad92aafc2f 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -35,7 +35,8 @@
dump_monitors/1, dump_links/1, flat_size/1,
get_internal_state/1, instructions/0, lock_counters/1,
map_info/1, same/2, set_internal_state/2,
- size_shared/1, copy_shared/1]).
+ size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2,
+ dirty/3]).
-spec breakpoint(MFA, Flag) -> non_neg_integer() when
MFA :: {Module :: module(),
@@ -182,6 +183,28 @@ same(_, _) ->
set_internal_state(_, _) ->
erlang:nif_error(undef).
+-spec dirty_cpu(Term1, Term2) -> term() when
+ Term1 :: term(),
+ Term2 :: term().
+
+dirty_cpu(_, _) ->
+ erlang:nif_error(undef).
+
+-spec dirty_io(Term1, Term2) -> term() when
+ Term1 :: term(),
+ Term2 :: term().
+
+dirty_io(_, _) ->
+ erlang:nif_error(undef).
+
+-spec dirty(Term1, Term2, Term3) -> term() when
+ Term1 :: term(),
+ Term2 :: term(),
+ Term3 :: term().
+
+dirty(_, _, _) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
%% size(Term)
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 6d94f7770f..933f2d5f65 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.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.
@@ -397,25 +397,36 @@ write_file(Name, Bin) ->
Modes :: [mode()],
Reason :: posix() | badarg | terminated | system_limit.
-write_file(Name, Bin, ModeList) when is_list(ModeList) ->
- case make_binary(Bin) of
- B when is_binary(B) ->
- case open(Name, [binary, write |
- lists:delete(binary,
- lists:delete(write, ModeList))]) of
- {ok, Handle} ->
- case write(Handle, B) of
- ok ->
- close(Handle);
- E1 ->
- _ = close(Handle),
- E1
- end;
- E2 ->
- E2
- end;
- E3 ->
- E3
+write_file(Name, IOData, ModeList) when is_list(ModeList) ->
+ case lists:member(raw, ModeList) of
+ true ->
+ %% For backwards compatibility of error messages
+ try iolist_size(IOData) of
+ _Size -> do_write_file(Name, IOData, ModeList)
+ catch
+ error:Error -> {error, Error}
+ end;
+ false ->
+ case make_binary(IOData) of
+ Bin when is_binary(Bin) ->
+ do_write_file(Name, Bin, ModeList);
+ Error ->
+ Error
+ end
+ end.
+
+do_write_file(Name, IOData, ModeList) ->
+ case open(Name, [binary, write | ModeList]) of
+ {ok, Handle} ->
+ case write(Handle, IOData) of
+ ok ->
+ close(Handle);
+ E1 ->
+ _ = close(Handle),
+ E1
+ end;
+ E2 ->
+ E2
end.
%% Obsolete, undocumented, local node only, don't use!.
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl
index 0c73ead7c5..a9e92b28b8 100644
--- a/lib/kernel/src/global.erl
+++ b/lib/kernel/src/global.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2015. 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.
@@ -58,14 +58,18 @@
%%% In certain places in the server, calling io:format hangs everything,
%%% so we'd better use erlang:display/1.
%%% my_tracer is used in testsuites
--define(trace(_), ok).
+%% uncomment this if tracing is wanted
+%%-define(DEBUG, true).
+-ifdef(DEBUG).
+-define(trace(T), erlang:display({format, node(), cs(), T})).
+ cs() ->
+ {_Big, Small, Tiny} = erlang:timestamp(),
+ (Small rem 100) * 100 + (Tiny div 10000).
%-define(trace(T), (catch my_tracer ! {node(), {line,?LINE}, T})).
-
-%-define(trace(T), erlang:display({format, node(), cs(), T})).
-%cs() ->
-% {_Big, Small, Tiny} = now(),
-% (Small rem 100) * 100 + (Tiny div 10000).
+-else.
+-define(trace(_), ok).
+-endif.
%% These are the protocol versions:
%% Vsn 1 is the original protocol.
@@ -443,7 +447,8 @@ info() ->
init([]) ->
process_flag(trap_exit, true),
_ = ets:new(global_locks, [set, named_table, protected]),
- _ = ets:new(global_names, [set, named_table, protected]),
+ _ = ets:new(global_names, [set, named_table, protected,
+ {read_concurrency, true}]),
_ = ets:new(global_names_ext, [set, named_table, protected]),
_ = ets:new(global_pid_names, [bag, named_table, protected]),
diff --git a/lib/kernel/src/group.erl b/lib/kernel/src/group.erl
index b5e73117dd..bf785959ff 100644
--- a/lib/kernel/src/group.erl
+++ b/lib/kernel/src/group.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.
@@ -33,7 +33,7 @@ start(Drv, Shell, Options) ->
server(Drv, Shell, Options) ->
process_flag(trap_exit, true),
edlin:init(),
- put(line_buffer, proplists:get_value(line_buffer, Options, [])),
+ put(line_buffer, proplists:get_value(line_buffer, Options, group_history:load())),
put(read_mode, list),
put(user_drv, Drv),
put(expand_fun,
@@ -783,6 +783,7 @@ save_line_buffer("\n", Lines) ->
save_line_buffer(Line, [Line|_Lines]=Lines) ->
save_line_buffer(Lines);
save_line_buffer(Line, Lines) ->
+ group_history:add(Line),
save_line_buffer([Line|Lines]).
save_line_buffer(Lines) ->
diff --git a/lib/kernel/src/group_history.erl b/lib/kernel/src/group_history.erl
new file mode 100644
index 0000000000..91f3663cc5
--- /dev/null
+++ b/lib/kernel/src/group_history.erl
@@ -0,0 +1,341 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(group_history).
+-export([load/0, add/1]).
+
+%% Make a minimal size that should encompass set of lines and then make
+%% a file rotation for N files of this size.
+-define(DEFAULT_HISTORY_FILE, "erlang-shell-log").
+-define(MAX_HISTORY_FILES, 10).
+-define(DEFAULT_SIZE, 1024*512). % 512 kb total default
+-define(DEFAULT_STATUS, disabled).
+-define(MIN_HISTORY_SIZE, (50*1024)). % 50 kb, in bytes
+-define(DEFAULT_DROP, []).
+-define(DISK_LOG_FORMAT, internal). % since we want repairs
+-define(LOG_NAME, '$#group_history').
+-define(VSN, {0,1,0}).
+
+%%%%%%%%%%%%%%
+%%% PUBLIC %%%
+%%%%%%%%%%%%%%
+
+%% @doc Loads the shell history from memory. This function should only be
+%% called from group:server/3 to inject itself in the previous commands
+%% stack.
+-spec load() -> [string()].
+load() ->
+ wait_for_kernel_safe_sup(),
+ case history_status() of
+ enabled ->
+ case open_log() of
+ {ok, ?LOG_NAME} ->
+ read_full_log(?LOG_NAME);
+ {repaired, ?LOG_NAME, {recovered, Good}, {badbytes, Bad}} ->
+ report_repairs(?LOG_NAME, Good, Bad),
+ read_full_log(?LOG_NAME);
+ {error, {need_repair, _FileName}} ->
+ repair_log(?LOG_NAME);
+ {error, {arg_mismatch, repair, true, false}} ->
+ repair_log(?LOG_NAME);
+ {error, {name_already_open, _}} ->
+ show_rename_warning(),
+ read_full_log(?LOG_NAME);
+ {error, {size_mismatch, Current, New}} ->
+ show_size_warning(Current, New),
+ resize_log(?LOG_NAME, Current, New),
+ load();
+ {error, {invalid_header, {vsn, Version}}} ->
+ upgrade_version(?LOG_NAME, Version),
+ load();
+ {error, Reason} ->
+ handle_open_error(Reason),
+ disable_history(),
+ []
+ end;
+ _ ->
+ []
+ end.
+
+%% @doc adds a log line to the erlang history log, if configured to do so.
+-spec add(iodata()) -> ok.
+add(Line) -> add(Line, history_status()).
+
+add(Line, enabled) ->
+ case lists:member(Line, to_drop()) of
+ false ->
+ case disk_log:log(?LOG_NAME, Line) of
+ ok ->
+ ok;
+ {error, no_such_log} ->
+ _ = open_log(), % a wild attempt we hope works!
+ disk_log:log(?LOG_NAME, Line);
+ {error, _Other} ->
+ % just ignore, we're too late
+ ok
+ end;
+ true ->
+ ok
+ end;
+add(_Line, disabled) ->
+ ok.
+
+%%%%%%%%%%%%%%%
+%%% PRIVATE %%%
+%%%%%%%%%%%%%%%
+
+%% Because loading the shell happens really damn early, processes we depend on
+%% might not be there yet. Luckily, the load function is called from the shell
+%% after a new process has been spawned, so we can block in here
+wait_for_kernel_safe_sup() ->
+ case whereis(kernel_safe_sup) of
+ undefined ->
+ timer:sleep(50),
+ wait_for_kernel_safe_sup();
+ _ ->
+ ok
+ end.
+
+%% Repair the log out of band
+repair_log(Name) ->
+ Opts = lists:keydelete(size, 1, log_options()),
+ case disk_log:open(Opts) of
+ {repaired, ?LOG_NAME, {recovered, Good}, {badbytes, Bad}} ->
+ report_repairs(?LOG_NAME, Good, Bad);
+ _ ->
+ ok
+ end,
+ _ = disk_log:close(Name),
+ load().
+
+%% Return whether the shell history is enabled or not
+-spec history_status() -> enabled | disabled.
+history_status() ->
+ case is_user() orelse application:get_env(kernel, shell_history) of
+ true -> disabled; % don't run for user proc
+ {ok, enabled} -> enabled;
+ undefined -> ?DEFAULT_STATUS;
+ _ -> disabled
+ end.
+
+%% Return whether the user process is running this
+-spec is_user() -> boolean().
+is_user() ->
+ case process_info(self(), registered_name) of
+ {registered_name, user} -> true;
+ _ -> false
+ end.
+
+%% Open a disk_log file while ensuring the required path is there.
+open_log() ->
+ Opts = log_options(),
+ _ = ensure_path(Opts),
+ disk_log:open(Opts).
+
+%% Return logger options
+log_options() ->
+ Path = find_path(),
+ File = filename:join([Path, ?DEFAULT_HISTORY_FILE]),
+ Size = find_wrap_values(),
+ [{name, ?LOG_NAME},
+ {file, File},
+ {repair, true},
+ {format, internal},
+ {type, wrap},
+ {size, Size},
+ {distributed, []},
+ {notify, false},
+ {head, {vsn, ?VSN}},
+ {quiet, true},
+ {mode, read_write}].
+
+-spec ensure_path([{file, string()} | {atom(), _}, ...]) -> ok | {error, term()}.
+ensure_path(Opts) ->
+ {file, Path} = lists:keyfind(file, 1, Opts),
+ filelib:ensure_dir(Path).
+
+%% @private read the logs from an already open file. Treat closed files
+%% as wrong and returns an empty list to avoid crash loops in the shell.
+-spec read_full_log(term()) -> [string()].
+read_full_log(Name) ->
+ case disk_log:chunk(Name, start) of
+ {error, no_such_log} ->
+ show_unexpected_close_warning(),
+ [];
+ eof ->
+ [];
+ {Cont, Logs} ->
+ lists:reverse(maybe_drop_header(Logs) ++ read_full_log(Name, Cont))
+ end.
+
+read_full_log(Name, Cont) ->
+ case disk_log:chunk(Name, Cont) of
+ {error, no_such_log} ->
+ show_unexpected_close_warning(),
+ [];
+ eof ->
+ [];
+ {NextCont, Logs} ->
+ maybe_drop_header(Logs) ++ read_full_log(Name, NextCont)
+ end.
+
+maybe_drop_header([{vsn, _} | Rest]) -> Rest;
+maybe_drop_header(Logs) -> Logs.
+
+-spec handle_open_error(_) -> ok.
+handle_open_error({arg_mismatch, OptName, CurrentVal, NewVal}) ->
+ show('$#erlang-history-arg-mismatch',
+ "Log file argument ~p changed value from ~p to ~p "
+ "and cannot be automatically updated. Please clear the "
+ "history files and try again.~n",
+ [OptName, CurrentVal, NewVal]);
+handle_open_error({not_a_log_file, FileName}) ->
+ show_invalid_file_warning(FileName);
+handle_open_error({invalid_index_file, FileName}) ->
+ show_invalid_file_warning(FileName);
+handle_open_error({invalid_header, Term}) ->
+ show('$#erlang-history-invalid-header',
+ "Shell history expects to be able to use the log files "
+ "which currently have unknown headers (~p) and may belong to "
+ "another mechanism. History logging will be "
+ "disabled.~n",
+ [Term]);
+handle_open_error({file_error, FileName, Reason}) ->
+ show('$#erlang-history-file-error',
+ "Error handling File ~ts. Reason: ~p~n"
+ "History logging will be disabled.~n",
+ [FileName, Reason]);
+handle_open_error(Err) ->
+ show_unexpected_warning({disk_log, open, 1}, Err).
+
+find_wrap_values() ->
+ ConfSize = case application:get_env(kernel, shell_history_file_bytes) of
+ undefined -> ?DEFAULT_SIZE;
+ {ok, S} -> S
+ end,
+ SizePerFile = max(?MIN_HISTORY_SIZE, ConfSize div ?MAX_HISTORY_FILES),
+ FileCount = if SizePerFile > ?MIN_HISTORY_SIZE ->
+ ?MAX_HISTORY_FILES
+ ; SizePerFile =< ?MIN_HISTORY_SIZE ->
+ max(1, ConfSize div SizePerFile)
+ end,
+ {SizePerFile, FileCount}.
+
+report_repairs(_, _, 0) ->
+ %% just a regular close repair
+ ok;
+report_repairs(_, Good, Bad) ->
+ show('$#erlang-history-report-repairs',
+ "The shell history log file was corrupted and was repaired. "
+ "~p bytes were recovered and ~p were lost.~n", [Good, Bad]).
+
+resize_log(Name, _OldSize, NewSize) ->
+ show('$#erlang-history-resize-attempt',
+ "Attempting to resize the log history file to ~p...", [NewSize]),
+ Opts = lists:keydelete(size, 1, log_options()),
+ _ = case disk_log:open(Opts) of
+ {error, {need_repair, _}} ->
+ _ = repair_log(Name),
+ disk_log:open(Opts);
+ _ ->
+ ok
+ end,
+ case disk_log:change_size(Name, NewSize) of
+ ok ->
+ show('$#erlang-history-resize-result',
+ "ok~n", []);
+ {error, {new_size_too_small, _}} ->
+ show('$#erlang-history-resize-result',
+ "failed (new size is too small)~n", []),
+ disable_history();
+ {error, Reason} ->
+ show('$#erlang-history-resize-result',
+ "failed (~p)~n", [Reason]),
+ disable_history()
+ end.
+
+upgrade_version(_Name, Unsupported) ->
+ %% We only know of one version and can't support a newer one
+ show('$#erlang-history-upgrade',
+ "The version for the shell logs found on disk (~p) is "
+ "not supported by the current version (~p)~n",
+ [Unsupported, ?VSN]),
+ disable_history().
+
+disable_history() ->
+ show('$#erlang-history-disable', "Disabling shell history logging.~n", []),
+ application:set_env(kernel, shell_history, force_disabled).
+
+find_path() ->
+ case application:get_env(kernel, shell_history_path) of
+ undefined -> filename:basedir(user_cache, "erlang-history");
+ {ok, Path} -> Path
+ end.
+
+to_drop() ->
+ case application:get_env(kernel, shell_history_drop) of
+ undefined ->
+ application:set_env(kernel, shell_history_drop, ?DEFAULT_DROP),
+ ?DEFAULT_DROP;
+ {ok, V} when is_list(V) -> [Ln++"\n" || Ln <- V];
+ {ok, _} -> ?DEFAULT_DROP
+ end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%
+%%% Output functions %%%
+%%%%%%%%%%%%%%%%%%%%%%%%
+show_rename_warning() ->
+ show('$#erlang-history-rename-warn',
+ "A history file with a different path has already "
+ "been started for the shell of this node. The old "
+ "name will keep being used for this session.~n",
+ []).
+
+show_invalid_file_warning(FileName) ->
+ show('$#erlang-history-invalid-file',
+ "Shell history expects to be able to use the file ~ts "
+ "which currently exists and is not a file usable for "
+ "history logging purposes. History logging will be "
+ "disabled.~n", [FileName]).
+
+show_unexpected_warning({M,F,A}, Term) ->
+ show('$#erlang-history-unexpected-return',
+ "unexpected return value from ~p:~p/~p: ~p~n"
+ "shell history will be disabled for this session.~n",
+ [M,F,A,Term]).
+
+show_unexpected_close_warning() ->
+ show('$#erlang-history-unexpected-close',
+ "The shell log file has mysteriousy closed. Ignoring "
+ "currently unread history.~n", []).
+
+show_size_warning(_Current, _New) ->
+ show('$#erlang-history-size',
+ "The configured log history file size is different from "
+ "the size of the log file on disk.~n", []).
+
+show(Key, Format, Args) ->
+ case get(Key) of
+ undefined ->
+ io:format(standard_error, Format, Args),
+ put(Key, true),
+ ok;
+ true ->
+ ok
+ end.
diff --git a/lib/kernel/src/hipe_ext_format.hrl b/lib/kernel/src/hipe_ext_format.hrl
index 102cb49a2b..05c678fdec 100644
--- a/lib/kernel/src/hipe_ext_format.hrl
+++ b/lib/kernel/src/hipe_ext_format.hrl
@@ -1,3 +1,15 @@
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+
%% hipe_x86_ext_format.hrl
%% Definitions for unified external object format
%% Currently: sparc, x86, amd64
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index 087cceb5d8..f4c7c277ed 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -1,4 +1,15 @@
%% -*- erlang-indent-level: 2 -*-
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%% =======================================================================
%% Filename : hipe_unified_loader.erl
%% Module : hipe_unified_loader
@@ -41,10 +52,11 @@
% I think the real solution would be to let BIF erlang:load_module/2 redirect all
% hipe calls to the module and thereby remove post_beam_load.
+% SVERK: Can we remove -compile(no_native) now when post_beam_load is gone?
+
-export([chunk_name/1,
%% Only the code and code_server modules may call the entries below!
load_native_code/3,
- post_beam_load/1,
load_module/4,
load/3]).
@@ -101,15 +113,13 @@ word_size(Architecture) ->
load_native_code(_Mod, _Bin, undefined) ->
no_native;
load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) ->
- %% patch_to_emu(Mod),
case code:get_chunk(Bin, chunk_name(Architecture)) of
undefined -> no_native;
NativeCode when is_binary(NativeCode) ->
erlang:system_flag(multi_scheduling, block_normal),
try
- OldReferencesToPatch = patch_to_emu_step1(Mod),
- case load_module(Mod, NativeCode, Bin, OldReferencesToPatch,
- Architecture) of
+ put(hipe_patch_closures, false),
+ case load_common(Mod, NativeCode, Bin, Architecture) of
bad_crc -> no_native;
Result -> Result
end
@@ -120,22 +130,6 @@ load_native_code(Mod, Bin, Architecture) when is_atom(Mod), is_binary(Bin) ->
%%========================================================================
--spec post_beam_load([module()]) -> 'ok'.
-
-post_beam_load([])->
- ok;
-post_beam_load([_|_]=Mods) ->
- erlang:system_flag(multi_scheduling, block_normal),
- try
- _ = [patch_to_emu(Mod) || Mod <- Mods],
- ok
- after
- erlang:system_flag(multi_scheduling, unblock_normal)
- end,
- ok.
-
-%%========================================================================
-
version_check(Version, Mod) when is_atom(Mod) ->
Ver = ?VERSION_STRING(),
case Version < Ver of
@@ -153,19 +147,12 @@ version_check(Version, Mod) when is_atom(Mod) ->
load_module(Mod, Bin, Beam, Architecture) ->
erlang:system_flag(multi_scheduling, block_normal),
try
- load_module_nosmp(Mod, Bin, Beam, Architecture)
+ put(hipe_patch_closures, false),
+ load_common(Mod, Bin, Beam, Architecture)
after
erlang:system_flag(multi_scheduling, unblock_normal)
end.
-load_module_nosmp(Mod, Bin, Beam, Architecture) ->
- load_module(Mod, Bin, Beam, [], Architecture).
-
-load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
- ?debug_msg("************ Loading Module ~w ************\n",[Mod]),
- %% Loading a whole module, let the BEAM loader patch closures.
- put(hipe_patch_closures, false),
- load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture).
%%========================================================================
@@ -175,20 +162,17 @@ load_module(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
load(Mod, Bin, Architecture) ->
erlang:system_flag(multi_scheduling, block_normal),
try
- load_nosmp(Mod, Bin, Architecture)
+ ?debug_msg("********* Loading funs in module ~w *********\n",[Mod]),
+ %% Loading just some functions in a module; patch closures separately.
+ put(hipe_patch_closures, true),
+ load_common(Mod, Bin, [], Architecture)
after
erlang:system_flag(multi_scheduling, unblock_normal)
end.
-load_nosmp(Mod, Bin, Architecture) ->
- ?debug_msg("********* Loading funs in module ~w *********\n",[Mod]),
- %% Loading just some functions in a module; patch closures separately.
- put(hipe_patch_closures, true),
- load_common(Mod, Bin, [], [], Architecture).
-
%%------------------------------------------------------------------------
-load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
+load_common(Mod, Bin, Beam, Architecture) ->
%% Unpack the binary.
[{Version, CheckSum},
ConstAlign, ConstSize, ConstMap, LabelMap, ExportMap,
@@ -215,29 +199,31 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
put(closures_to_patch, []),
WordSize = word_size(Architecture),
WriteWord = write_word_fun(WordSize),
+ LoaderState = hipe_bifs:alloc_loader_state(Mod),
+ put(hipe_loader_state, LoaderState),
%% Create data segment
{ConstAddr,ConstMap2} =
- create_data_segment(ConstAlign, ConstSize, ConstMap, WriteWord),
+ create_data_segment(ConstAlign, ConstSize, ConstMap, WriteWord,
+ LoaderState),
%% Find callees for which we may need trampolines.
CalleeMFAs = find_callee_mfas(Refs, Architecture),
%% Write the code to memory.
{CodeAddress,Trampolines} =
- enter_code(CodeSize, CodeBinary, CalleeMFAs, Mod, Beam),
+ enter_code(CodeSize, CodeBinary, CalleeMFAs, LoaderState),
%% Construct CalleeMFA-to-trampoline mapping.
TrampolineMap = mk_trampoline_map(CalleeMFAs, Trampolines,
Architecture),
%% Patch references to code labels in data seg.
ok = patch_consts(LabelMap, ConstAddr, CodeAddress, WriteWord),
+
%% Find out which functions are being loaded (and where).
- %% Note: Addresses are sorted descending.
- {MFAs,Addresses} = exports(ExportMap, CodeAddress),
- %% Remove references to old versions of the module.
- ReferencesToPatch = get_refs_from(MFAs, []),
- %% io:format("References to patch: ~w~n", [ReferencesToPatch]),
- ok = remove_refs_from(MFAs),
+ %% Note: FunDefs are sorted descending address order.
+ FunDefs = exports(ExportMap, CodeAddress),
+
%% Patch all dynamic references in the code.
%% Function calls, Atoms, Constants, System calls
- ok = patch(Refs, CodeAddress, ConstMap2, Addresses, TrampolineMap),
+
+ ok = patch(Refs, CodeAddress, ConstMap2, FunDefs, TrampolineMap),
%% Tell the system where the loaded funs are.
%% (patches the BEAM code to redirect to native.)
@@ -250,25 +236,22 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch, Architecture) ->
lists:foreach(fun({FE, DestAddress}) ->
hipe_bifs:set_native_address_in_fe(FE, DestAddress)
end, erase(closures_to_patch)),
- export_funs(Addresses),
+ ok = hipe_bifs:commit_patch_load(LoaderState),
+ set_beam_call_traps(FunDefs),
ok;
BeamBinary when is_binary(BeamBinary) ->
%% Find all closures in the code.
[] = erase(closures_to_patch), %Clean up, assertion.
ClosurePatches = find_closure_patches(Refs),
AddressesOfClosuresToPatch =
- calculate_addresses(ClosurePatches, CodeAddress, Addresses),
- export_funs(Addresses),
- export_funs(Mod, MD5, BeamBinary,
- Addresses, AddressesOfClosuresToPatch)
+ calculate_addresses(ClosurePatches, CodeAddress, FunDefs),
+ export_funs(FunDefs),
+ make_beam_stub(Mod, LoaderState, MD5, BeamBinary, FunDefs,
+ AddressesOfClosuresToPatch)
end,
- %% Redirect references to the old module to the new module's BEAM stub.
- patch_to_emu_step2(OldReferencesToPatch),
- %% Patch referring functions to call the new function
- %% The call to export_funs/1 above updated the native addresses
- %% for the targets, so passing 'Addresses' is not needed.
- redirect(ReferencesToPatch),
+
%% Final clean up.
+ _ = erase(hipe_loader_state),
_ = erase(hipe_patch_closures),
_ = erase(hipe_assert_code_area),
?debug_msg("****************Loader Finished****************\n", []),
@@ -371,31 +354,31 @@ trampoline_map_lookup(Primop, Map) ->
is_exported :: boolean()}).
exports(ExportMap, BaseAddress) ->
- exports(ExportMap, BaseAddress, [], []).
+ exports(ExportMap, BaseAddress, []).
-exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, MFAs, Addresses) ->
+exports([Offset,M,F,A,IsClosure,IsExported|Rest], BaseAddress, FunDefs) ->
case IsExported andalso erlang:is_builtin(M, F, A) of
true ->
- exports(Rest, BaseAddress, MFAs, Addresses);
+ exports(Rest, BaseAddress, FunDefs);
_false ->
MFA = {M,F,A},
Address = BaseAddress + Offset,
FunDef = #fundef{address=Address, mfa=MFA, is_closure=IsClosure,
is_exported=IsExported},
- exports(Rest, BaseAddress, [MFA|MFAs], [FunDef|Addresses])
+ exports(Rest, BaseAddress, [FunDef|FunDefs])
end;
-exports([], _, MFAs, Addresses) ->
- {MFAs, Addresses}.
+exports([], _, FunDefs) ->
+ FunDefs.
mod({M,_F,_A}) -> M.
%%------------------------------------------------------------------------
-calculate_addresses(PatchOffsets, Base, Addresses) ->
+calculate_addresses(PatchOffsets, Base, FunDefs) ->
RemoteOrLocal = local, % closure code refs are local
[{Data,
offsets_to_addresses(Offsets, Base),
- get_native_address(DestMFA, Addresses, RemoteOrLocal)} ||
+ get_native_address(DestMFA, FunDefs, RemoteOrLocal)} ||
{{DestMFA,_,_}=Data,Offsets} <- PatchOffsets].
offsets_to_addresses(Os, Base) ->
@@ -424,9 +407,9 @@ find_closure_refs([], Refs) ->
%%------------------------------------------------------------------------
-export_funs([FunDef | Addresses]) ->
+set_beam_call_traps([FunDef | FunDefs]) ->
#fundef{address=Address, mfa=MFA, is_closure=IsClosure,
- is_exported=IsExported} = FunDef,
+ is_exported=_IsExported} = FunDef,
?IF_DEBUG({M,F,A} = MFA, no_debug),
?IF_DEBUG(
case IsClosure of
@@ -437,21 +420,38 @@ export_funs([FunDef | Addresses]) ->
?debug_msg("LINKING: ~w:~w/~w to closure (0x~.16b)\n",
[M,F,A, Address])
end, no_debug),
- hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported),
hipe_bifs:set_native_address(MFA, Address, IsClosure),
- export_funs(Addresses);
+ set_beam_call_traps(FunDefs);
+set_beam_call_traps([]) ->
+ ok.
+
+export_funs([FunDef | FunDefs]) ->
+ #fundef{address=Address, mfa=MFA, is_closure=_IsClosure,
+ is_exported=IsExported} = FunDef,
+ ?IF_DEBUG({M,F,A} = MFA, no_debug),
+ ?IF_DEBUG(
+ case _IsClosure of
+ false ->
+ ?debug_msg("LINKING: ~w:~w/~w to (0x~.16b)\n",
+ [M,F,A, Address]);
+ true ->
+ ?debug_msg("LINKING: ~w:~w/~w to closure (0x~.16b)\n",
+ [M,F,A, Address])
+ end, no_debug),
+ hipe_bifs:set_funinfo_native_address(MFA, Address, IsExported),
+ export_funs(FunDefs);
export_funs([]) ->
ok.
-export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) ->
- Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- Addresses],
- Mod = code:make_stub_module(Mod, Beam, {Fs,ClosuresToPatch,MD5}),
+make_beam_stub(Mod, LoaderState, MD5, Beam, FunDefs, ClosuresToPatch) ->
+ Fs = [{F,A,Address} || #fundef{address=Address, mfa={_M,F,A}} <- FunDefs],
+ Mod = code:make_stub_module(LoaderState, Beam, {Fs,ClosuresToPatch,MD5}),
ok.
%%========================================================================
%% Patching
%% @spec patch(refs(), BaseAddress::integer(), ConstAndZone::term(),
-%% Addresses::term(), TrampolineMap::term()) -> 'ok'.
+%% FunDefs::term(), TrampolineMap::term()) -> 'ok'.
%% @type refs()=[{RefType::integer(), Reflist::reflist()} | refs()]
%%
%% @type reflist()= [{Data::term(), Offsets::offests()}|reflist()]
@@ -463,39 +463,39 @@ export_funs(Mod, MD5, Beam, Addresses, ClosuresToPatch) ->
%% (we use this to look up the address of a referred function only once).
%%
-patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, Addresses, TrampolineMap) ->
+patch([{Type,SortedRefs}|Rest], CodeAddress, ConstMap2, FunDefs, TrampolineMap) ->
?debug_msg("Patching ~w at [~w+offset] with ~w\n",
[Type,CodeAddress,SortedRefs]),
case ?EXT2PATCH_TYPE(Type) of
call_local ->
- patch_call(SortedRefs, CodeAddress, Addresses, 'local', TrampolineMap);
+ patch_call(SortedRefs, CodeAddress, FunDefs, 'local', TrampolineMap);
call_remote ->
- patch_call(SortedRefs, CodeAddress, Addresses, 'remote', TrampolineMap);
+ patch_call(SortedRefs, CodeAddress, FunDefs, 'remote', TrampolineMap);
Other ->
- patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, Addresses)
+ patch_all(Other, SortedRefs, CodeAddress, {ConstMap2,CodeAddress}, FunDefs)
end,
- patch(Rest, CodeAddress, ConstMap2, Addresses, TrampolineMap);
+ patch(Rest, CodeAddress, ConstMap2, FunDefs, TrampolineMap);
patch([], _, _, _, _) -> ok.
%%----------------------------------------------------------------
%% Handle a 'call_local' or 'call_remote' patch.
%%
-patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, Addresses, RemoteOrLocal, TrampolineMap) ->
+patch_call([{DestMFA,Offsets}|SortedRefs], BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap) ->
case bif_address(DestMFA) of
false ->
- %% Previous code used mfa_to_address(DestMFA, Addresses)
+ %% Previous code used mfa_to_address(DestMFA, FunDefs)
%% here for local calls. That is wrong because even local
- %% destinations may not be present in Addresses: they may
+ %% destinations may not be present in FunDefs: they may
%% not have been compiled yet, or they may be BEAM-only
%% functions (e.g. module_info).
- DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal),
+ DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal),
Trampoline = trampoline_map_get(DestMFA, TrampolineMap),
- patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline);
+ patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline);
BifAddress when is_integer(BifAddress) ->
Trampoline = trampoline_map_lookup(DestMFA, TrampolineMap),
patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline)
end,
- patch_call(SortedRefs, BaseAddress, Addresses, RemoteOrLocal, TrampolineMap);
+ patch_call(SortedRefs, BaseAddress, FunDefs, RemoteOrLocal, TrampolineMap);
patch_call([], _, _, _, _) ->
ok.
@@ -506,49 +506,48 @@ patch_bif_call_list([Offset|Offsets], BaseAddress, BifAddress, Trampoline) ->
patch_bif_call_list(Offsets, BaseAddress, BifAddress, Trampoline);
patch_bif_call_list([], _, _, _) -> ok.
-patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline) ->
+patch_mfa_call_list([Offset|Offsets], BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline) ->
CallAddress = BaseAddress+Offset,
- add_ref(DestMFA, CallAddress, Addresses, 'call', Trampoline, RemoteOrLocal),
+ add_ref(DestMFA, CallAddress, FunDefs, 'call', Trampoline, RemoteOrLocal),
?ASSERT(assert_local_patch(CallAddress)),
patch_call_insn(CallAddress, DestAddress, Trampoline),
- patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, Addresses, RemoteOrLocal, Trampoline);
+ patch_mfa_call_list(Offsets, BaseAddress, DestMFA, DestAddress, FunDefs, RemoteOrLocal, Trampoline);
patch_mfa_call_list([], _, _, _, _, _, _) -> ok.
patch_call_insn(CallAddress, DestAddress, Trampoline) ->
- %% This assertion is false when we're called from redirect/2.
- %% ?ASSERT(assert_local_patch(CallAddress)),
+ ?ASSERT(assert_local_patch(CallAddress)),
hipe_bifs:patch_call(CallAddress, DestAddress, Trampoline).
%% ____________________________________________________________________
%%
-patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, Addresses)->
- patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, Addresses),
- patch_all(Type, Rest, BaseAddress, ConstAndZone, Addresses);
+patch_all(Type, [{Dest,Offsets}|Rest], BaseAddress, ConstAndZone, FunDefs)->
+ patch_all_offsets(Type, Dest, Offsets, BaseAddress, ConstAndZone, FunDefs),
+ patch_all(Type, Rest, BaseAddress, ConstAndZone, FunDefs);
patch_all(_, [], _, _, _) -> ok.
patch_all_offsets(Type, Data, [Offset|Offsets], BaseAddress,
- ConstAndZone, Addresses) ->
+ ConstAndZone, FunDefs) ->
?debug_msg("Patching ~w at [~w+~w] with ~w\n",
[Type,BaseAddress,Offset, Data]),
Address = BaseAddress + Offset,
- patch_offset(Type, Data, Address, ConstAndZone, Addresses),
+ patch_offset(Type, Data, Address, ConstAndZone, FunDefs),
?debug_msg("Patching done\n",[]),
- patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, Addresses);
+ patch_all_offsets(Type, Data, Offsets, BaseAddress, ConstAndZone, FunDefs);
patch_all_offsets(_, _, [], _, _, _) -> ok.
%%----------------------------------------------------------------
%% Handle any patch type except 'call_local' or 'call_remote'.
%%
-patch_offset(Type, Data, Address, ConstAndZone, Addresses) ->
+patch_offset(Type, Data, Address, ConstAndZone, FunDefs) ->
case Type of
load_address ->
- patch_load_address(Data, Address, ConstAndZone, Addresses);
+ patch_load_address(Data, Address, ConstAndZone, FunDefs);
load_atom ->
Atom = Data,
patch_atom(Address, Atom);
sdesc ->
- patch_sdesc(Data, Address, ConstAndZone, Addresses);
+ patch_sdesc(Data, Address, ConstAndZone, FunDefs);
x86_abs_pcrel ->
patch_instr(Address, Data, x86_abs_pcrel)
%% _ ->
@@ -561,37 +560,38 @@ patch_atom(Address, Atom) ->
patch_instr(Address, hipe_bifs:atom_to_word(Atom), atom).
patch_sdesc(?STACK_DESC(SymExnRA, FSize, Arity, Live),
- Address, {_ConstMap2,CodeAddress}, _Addresses) ->
+ Address, {_ConstMap2,CodeAddress}, FunDefs) ->
ExnRA =
case SymExnRA of
[] -> 0; % No catch
LabelOffset -> CodeAddress + LabelOffset
end,
?ASSERT(assert_local_patch(Address)),
- DBG_MFA = ?IF_DEBUG(address_to_mfa_lth(Address, _Addresses), {undefined,undefined,0}),
- hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, DBG_MFA}).
+ MFA = address_to_mfa_lth(Address, FunDefs),
+ hipe_bifs:enter_sdesc({Address, ExnRA, FSize, Arity, Live, MFA},
+ get(hipe_loader_state)).
%%----------------------------------------------------------------
%% Handle a 'load_address'-type patch.
%%
-patch_load_address(Data, Address, ConstAndZone, Addresses) ->
+patch_load_address(Data, Address, ConstAndZone, FunDefs) ->
case Data of
{local_function,DestMFA} ->
- patch_load_mfa(Address, DestMFA, Addresses, 'local');
+ patch_load_mfa(Address, DestMFA, FunDefs, 'local');
{remote_function,DestMFA} ->
- patch_load_mfa(Address, DestMFA, Addresses, 'remote');
+ patch_load_mfa(Address, DestMFA, FunDefs, 'remote');
{constant,Name} ->
{ConstMap2,_CodeAddress} = ConstAndZone,
ConstAddress = find_const(Name, ConstMap2),
patch_instr(Address, ConstAddress, constant);
{closure,{DestMFA,Uniq,Index}} ->
- patch_closure(DestMFA, Uniq, Index, Address, Addresses);
+ patch_closure(DestMFA, Uniq, Index, Address, FunDefs);
{c_const,CConst} ->
patch_instr(Address, bif_address(CConst), c_const)
end.
-patch_closure(DestMFA, Uniq, Index, Address, Addresses) ->
+patch_closure(DestMFA, Uniq, Index, Address, FunDefs) ->
case get(hipe_patch_closures) of
false ->
[]; % This is taken care of when registering the module.
@@ -602,7 +602,7 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) ->
%% address into the fun entry to ensure that the native code cannot
%% be called until it has been completely fixed up.
RemoteOrLocal = local, % closure code refs are local
- DestAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal),
+ DestAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal),
BEAMAddress = hipe_bifs:fun_to_address(DestMFA),
FE = hipe_bifs:get_fe(mod(DestMFA), {Uniq, Index, BEAMAddress}),
put(closures_to_patch, [{FE,DestAddress}|get(closures_to_patch)]),
@@ -616,17 +616,17 @@ patch_closure(DestMFA, Uniq, Index, Address, Addresses) ->
%% Patch an instruction loading the address of an MFA.
%% RemoteOrLocal ::= 'remote' | 'local'
%%
-patch_load_mfa(CodeAddress, DestMFA, Addresses, RemoteOrLocal) ->
+patch_load_mfa(CodeAddress, DestMFA, FunDefs, RemoteOrLocal) ->
+ ?ASSERT(assert_local_patch(CodeAddress)),
DestAddress =
case bif_address(DestMFA) of
false ->
- NativeAddress = get_native_address(DestMFA, Addresses, RemoteOrLocal),
- add_ref(DestMFA, CodeAddress, Addresses, 'load_mfa', [], RemoteOrLocal),
+ NativeAddress = get_native_address(DestMFA, FunDefs, RemoteOrLocal),
+ add_ref(DestMFA, CodeAddress, FunDefs, 'load_mfa', [], RemoteOrLocal),
NativeAddress;
BifAddress when is_integer(BifAddress) ->
BifAddress
end,
- ?ASSERT(assert_local_patch(CodeAddress)),
patch_instr(CodeAddress, DestAddress, 'load_mfa').
%%----------------------------------------------------------------
@@ -702,9 +702,9 @@ bif_address(Name) when is_atom(Name) ->
%% memory, and produces a ConstMap2 mapping each constant's ConstNo to
%% its runtime address, tagged if the constant is a term.
%%
-create_data_segment(DataAlign, DataSize, DataList, WriteWord) ->
+create_data_segment(DataAlign, DataSize, DataList, WriteWord, LoaderState) ->
%%io:format("create_data_segment: \nDataAlign: ~p\nDataSize: ~p\nDataList: ~p\n",[DataAlign,DataSize,DataList]),
- DataAddress = hipe_bifs:alloc_data(DataAlign, DataSize),
+ DataAddress = hipe_bifs:alloc_data(DataAlign, DataSize, LoaderState),
enter_data(DataList, [], DataAddress, DataSize, WriteWord).
enter_data(List, ConstMap2, DataAddress, DataSize, WriteWord) ->
@@ -772,7 +772,7 @@ find_const(ConstNo, []) ->
%%----------------------------------------------------------------
%% Record that the code at address 'Address' has a reference
%% of type 'RefType' ('call' or 'load_mfa') to 'CalleeMFA'.
-%% 'Addresses' must be an address-descending list from exports/2.
+%% 'FunDefs' must be an address-descending list from exports/2.
%%
%% If 'RefType' is 'call', then 'Trampoline' may be the address
%% of a stub branching to 'CalleeMFA', where the stub is reachable
@@ -781,34 +781,29 @@ find_const(ConstNo, []) ->
%% RemoteOrLocal ::= 'remote' | 'local'.
%%
-%%
-%% -record(ref, {caller_mfa, address, ref_type, trampoline, remote_or_local}).
-%%
+add_ref(CalleeMFA, Address, FunDefs, RefType, Trampoline, RemoteOrLocal) ->
+ CallerMFA = address_to_mfa_lth(Address, FunDefs),
+ case RemoteOrLocal of
+ local ->
+ %% assert that the callee and caller are from the same module
+ {M,_,_} = CalleeMFA,
+ {M,_,_} = CallerMFA,
+ ok;
+ remote ->
+ hipe_bifs:add_ref(CalleeMFA, {CallerMFA,Address,RefType,Trampoline,
+ get(hipe_loader_state)})
+ end.
-add_ref(CalleeMFA, Address, Addresses, RefType, Trampoline, RemoteOrLocal) ->
- CallerMFA = address_to_mfa_lth(Address, Addresses),
- %% just a sanity assertion below
- true = case RemoteOrLocal of
- local ->
- {M1,_,_} = CalleeMFA,
- {M2,_,_} = CallerMFA,
- M1 =:= M2;
- remote ->
- true
- end,
- %% io:format("Adding ref ~w\n",[{CallerMFA, CalleeMFA, Address, RefType}]),
- hipe_bifs:add_ref(CalleeMFA, {CallerMFA,Address,RefType,Trampoline,RemoteOrLocal}).
-
-% For FunDefs sorted from low to high addresses
+%% For FunDefs sorted from low to high addresses
address_to_mfa_lth(Address, FunDefs) ->
- case address_to_mfa_lth(Address, FunDefs, false) of
- false ->
- ?error_msg("Local adddress not found ~w\n",[Address]),
- exit({?MODULE, local_address_not_found});
- MFA ->
- MFA
- end.
-
+ case address_to_mfa_lth(Address, FunDefs, false) of
+ false ->
+ ?error_msg("Local adddress not found ~w\n",[Address]),
+ exit({?MODULE, local_address_not_found});
+ MFA ->
+ MFA
+ end.
+
address_to_mfa_lth(Address, [#fundef{address=Adr, mfa=MFA}|Rest], Prev) ->
if Address < Adr ->
Prev;
@@ -818,107 +813,33 @@ address_to_mfa_lth(Address, [#fundef{address=Adr, mfa=MFA}|Rest], Prev) ->
address_to_mfa_lth(_Address, [], Prev) ->
Prev.
-% For FunDefs sorted from high to low addresses
+%% For FunDefs sorted from high to low addresses
%% address_to_mfa_htl(Address, [#fundef{address=Adr, mfa=MFA}|_Rest]) when Address >= Adr -> MFA;
%% address_to_mfa_htl(Address, [_ | Rest]) -> address_to_mfa_htl(Address, Rest);
%% address_to_mfa_htl(Address, []) ->
%% ?error_msg("Local adddress not found ~w\n",[Address]),
%% exit({?MODULE, local_address_not_found}).
-%%----------------------------------------------------------------
-%% Change callers of the given module to instead trap to BEAM.
-%% load_native_code/3 calls this just before loading native code.
-%%
-patch_to_emu(Mod) ->
- patch_to_emu_step2(patch_to_emu_step1(Mod)).
-
-%% Step 1 must occur before the loading of native code updates
-%% references information or creates a new BEAM stub module.
-patch_to_emu_step1(Mod) ->
- case is_loaded(Mod) of
- true ->
- %% Get exported functions
- MFAs = [{Mod,Fun,Arity} || {Fun,Arity} <- Mod:module_info(exports)],
- %% get_refs_from/2 only finds references from compiled static
- %% call sites to the module, but some native address entries
- %% were added as the result of dynamic apply calls. We must
- %% purge them too, but we have no explicit record of them.
- %% Therefore invalidate all native addresses for the module.
- hipe_bifs:invalidate_funinfo_native_addresses(MFAs),
- %% Find all call sites that call these MFAs. As a side-effect,
- %% create native stubs for any MFAs that are referred.
- ReferencesToPatch = get_refs_from(MFAs, []),
- ok = remove_refs_from(MFAs),
- ReferencesToPatch;
- false ->
- %% The first time we load the module, no redirection needs to be done.
- []
- end.
-
-%% Step 2 must occur after the new BEAM stub module is created.
-patch_to_emu_step2(ReferencesToPatch) ->
- redirect(ReferencesToPatch).
-
--spec is_loaded(Module::atom()) -> boolean().
-%% @doc Checks whether a module is loaded or not.
-is_loaded(M) when is_atom(M) ->
- try hipe_bifs:fun_to_address({M,module_info,0}) of
- I when is_integer(I) -> true
- catch _:_ -> false
- end.
-
-%%--------------------------------------------------------------------
-%% Given a list of MFAs, tag them with their referred_from references.
-%% The resulting {MFA,Refs} list is later passed to redirect/1, once
-%% the MFAs have been bound to (possibly new) native-code addresses.
-%%
-get_refs_from(MFAs, []) ->
- mark_referred_from(MFAs),
- MFAs.
-
-mark_referred_from(MFAs) ->
- lists:foreach(fun(MFA) -> hipe_bifs:mark_referred_from(MFA) end, MFAs).
-
-%%--------------------------------------------------------------------
-%% Given a list of MFAs with referred_from references, update their
-%% callers to refer to their new native-code addresses.
-%%
-%% The {MFA,Refs} list must come from get_refs_from/2.
-%%
-redirect(MFAs) ->
- lists:foreach(fun(MFA) -> hipe_bifs:redirect_referred_from(MFA) end, MFAs).
-
-%%--------------------------------------------------------------------
-%% Given a list of MFAs, remove all referred_from references having
-%% any of them as CallerMFA.
-%%
-%% This is the only place using refers_to. Whenever a reference is
-%% added from CallerMFA to CalleeMFA, CallerMFA is added to CalleeMFA's
-%% referred_from list, and CalleeMFA is added to CallerMFA's refers_to
-%% list. The refers_to list is used here to find the CalleeMFAs whose
-%% referred_from lists should be updated.
-%%
-remove_refs_from(MFAs) ->
- lists:foreach(fun(MFA) -> hipe_bifs:remove_refs_from(MFA) end, MFAs).
%%--------------------------------------------------------------------
%% To find the native code of an MFA we need to look in 3 places:
-%% 1. If it is compiled now look in the Addresses data structure.
+%% 1. If it is compiled now look in the FunDefs data structure.
%% 2. Then look in native_addresses from module info.
%% 3. Then (the function might have been singled compiled) look in
%% hipe_funinfo
%% If all else fails create a native stub for the MFA
-get_native_address(MFA, Addresses, RemoteOrLocal) ->
- case mfa_to_address(MFA, Addresses, RemoteOrLocal) of
+get_native_address(MFA, FunDefs, RemoteOrLocal) ->
+ case mfa_to_address(MFA, FunDefs, RemoteOrLocal) of
Adr when is_integer(Adr) -> Adr;
false ->
- IsRemote =
case RemoteOrLocal of
- remote -> true;
- local -> false
- end,
- hipe_bifs:find_na_or_make_stub(MFA, IsRemote)
+ remote ->
+ hipe_bifs:find_na_or_make_stub(MFA);
+ local ->
+ ?error_msg("Local function ~p not found\n",[MFA]),
+ exit({function_not_found,MFA})
+ end
end.
mfa_to_address(MFA, [#fundef{address=Adr, mfa=MFA,
@@ -958,12 +879,10 @@ assert_local_patch(Address) when is_integer(Address) ->
%% ____________________________________________________________________
%%
-%% Beam: nil() | binary() (used as a flag)
-
-enter_code(CodeSize, CodeBinary, CalleeMFAs, Mod, Beam) ->
+enter_code(CodeSize, CodeBinary, CalleeMFAs, LoaderState) ->
true = byte_size(CodeBinary) =:= CodeSize,
- hipe_bifs:update_code_size(Mod, Beam, CodeSize),
- {CodeAddress,Trampolines} = hipe_bifs:enter_code(CodeBinary, CalleeMFAs),
+ {CodeAddress,Trampolines} = hipe_bifs:enter_code(CodeBinary, CalleeMFAs,
+ LoaderState),
?init_assert_patch(CodeAddress, byte_size(CodeBinary)),
{CodeAddress,Trampolines}.
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index f5c13ecdd7..6aef5476f1 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.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.
@@ -702,7 +702,7 @@ connect_options() ->
header, active, packet, packet_size, buffer, mode, deliver, line_delimiter,
exit_on_close, high_watermark, low_watermark, high_msgq_watermark,
low_msgq_watermark, send_timeout, send_timeout_close, delay_send, raw,
- show_econnreset].
+ show_econnreset, bind_to_device].
connect_options(Opts, Mod) ->
BaseOpts =
@@ -770,7 +770,7 @@ listen_options() ->
header, active, packet, buffer, mode, deliver, backlog, ipv6_v6only,
exit_on_close, high_watermark, low_watermark, high_msgq_watermark,
low_msgq_watermark, send_timeout, send_timeout_close, delay_send,
- packet_size, raw, show_econnreset].
+ packet_size, raw, show_econnreset, bind_to_device].
listen_options(Opts, Mod) ->
BaseOpts =
@@ -850,7 +850,7 @@ udp_options() ->
deliver, ipv6_v6only,
broadcast, dontroute, multicast_if, multicast_ttl, multicast_loop,
add_membership, drop_membership, read_packets,raw,
- high_msgq_watermark, low_msgq_watermark].
+ high_msgq_watermark, low_msgq_watermark, bind_to_device].
udp_options(Opts, Mod) ->
@@ -919,6 +919,7 @@ sctp_options() ->
[ % The following are generic inet options supported for SCTP sockets:
mode, active, buffer, tos, tclass, priority, dontroute, reuseaddr, linger, sndbuf,
recbuf, ipv6_v6only, high_msgq_watermark, low_msgq_watermark,
+ bind_to_device,
% Other options are SCTP-specific (though they may be similar to their
% TCP and UDP counter-parts):
@@ -1055,7 +1056,6 @@ binary2filename(Bin) ->
Bin
end.
-
translate_ip(any, inet) -> {0,0,0,0};
translate_ip(loopback, inet) -> {127,0,0,1};
translate_ip(any, inet6) -> {0,0,0,0,0,0,0,0};
diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl
index 465cec1b45..6cbb6ac2da 100644
--- a/lib/kernel/src/inet_db.erl
+++ b/lib/kernel/src/inet_db.erl
@@ -1379,7 +1379,8 @@ cache_rr(_Db, Cache, RR) ->
ets:insert(Cache, RR).
times() ->
- erlang:convert_time_unit(erlang:monotonic_time() - erlang:system_info(start_time),native,seconds).
+ erlang:convert_time_unit(erlang:monotonic_time() - erlang:system_info(start_time),
+ native, second).
%% lookup and remove old entries
diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl
index 4e8f59a3b9..bc5b67f7bf 100644
--- a/lib/kernel/src/inet_int.hrl
+++ b/lib/kernel/src/inet_int.hrl
@@ -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.
@@ -154,6 +154,7 @@
-define(INET_LOPT_TCP_SHOW_ECONNRESET, 39).
-define(INET_LOPT_LINE_DELIM, 40).
-define(INET_OPT_TCLASS, 41).
+-define(INET_OPT_BIND_TO_DEVICE, 42).
% Specific SCTP options: separate range:
-define(SCTP_OPT_RTOINFO, 100).
-define(SCTP_OPT_ASSOCINFO, 101).
diff --git a/lib/kernel/src/inet_parse.erl b/lib/kernel/src/inet_parse.erl
index b0a3ee3008..29804dc50b 100644
--- a/lib/kernel/src/inet_parse.erl
+++ b/lib/kernel/src/inet_parse.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.
@@ -644,8 +644,12 @@ ipv6_addr(Cs) ->
ipv6_addr(hex(Cs), [], 0).
%% Before "::"
+ipv6_addr({Cs0,"%"++Cs1}, A, N) when N == 7 ->
+ ipv6_addr_scope(Cs1, [hex_to_int(Cs0)|A], [], N+1, []);
ipv6_addr({Cs0,[]}, A, N) when N == 7 ->
ipv6_addr_done([hex_to_int(Cs0)|A]);
+ipv6_addr({Cs0,"::%"++Cs1}, A, N) when N =< 6 ->
+ ipv6_addr_scope(Cs1, [hex_to_int(Cs0)|A], [], N+1, []);
ipv6_addr({Cs0,"::"}, A, N) when N =< 6 ->
ipv6_addr_done([hex_to_int(Cs0)|A], [], N+1);
ipv6_addr({Cs0,"::"++Cs1}, A, N) when N =< 5 ->
@@ -658,6 +662,8 @@ ipv6_addr(_, _, _) ->
erlang:error(badarg).
%% After "::"
+ipv6_addr({Cs0,"%"++Cs1}, A, B, N) when N =< 6 ->
+ ipv6_addr_scope(Cs1, A, [hex_to_int(Cs0)|B], N+1, []);
ipv6_addr({Cs0,[]}, A, B, N) when N =< 6 ->
ipv6_addr_done(A, [hex_to_int(Cs0)|B], N+1);
ipv6_addr({Cs0,":"++Cs1}, A, B, N) when N =< 5 ->
@@ -667,6 +673,43 @@ ipv6_addr({Cs0,"."++_=Cs1}, A, B, N) when N =< 5 ->
ipv6_addr(_, _, _, _) ->
erlang:error(badarg).
+%% After "%"
+ipv6_addr_scope([], Ar, Br, N, Sr) ->
+ ScopeId =
+ case lists:reverse(Sr) of
+ %% Empty scope id
+ "" -> 0;
+ %% Scope id starts with 0
+ "0"++S -> dec16(S);
+ _ -> 0
+ end,
+ %% Suggested formats for scope id parsing:
+ %% "" -> "0"
+ %% "0" -> Scope id 0
+ %% "1" - "9", "10" - "99" -> "0"++S
+ %% "0"++DecimalScopeId -> decimal scope id
+ %% "25"++PercentEncoded -> Percent encoded interface name
+ %% S -> Interface name (Unicode?)
+ %% Missing: translation from interface name into integer scope id.
+ %% XXX: scope id is actually 32 bit, but we only have room for
+ %% 16 bit in the second address word - ignore or fix (how)?
+ ipv6_addr_scope(ScopeId, Ar, Br, N);
+ipv6_addr_scope([C|Cs], Ar, Br, N, Sr) ->
+ ipv6_addr_scope(Cs, Ar, Br, N, [C|Sr]).
+%%
+ipv6_addr_scope(ScopeId, [P], Br, N)
+ when N =< 7, P =:= 16#fe80;
+ N =< 7, P =:= 16#ff02 ->
+ %% Optimized special case
+ ipv6_addr_done([ScopeId,P], Br, N+1);
+ipv6_addr_scope(ScopeId, Ar, Br, N) ->
+ case lists:reverse(Br++dup(8-N, 0, Ar)) of
+ [P,0|Xs] when P =:= 16#fe80; P =:= 16#ff02 ->
+ list_to_tuple([P,ScopeId|Xs]);
+ _ ->
+ erlang:error(badarg)
+ end.
+
ipv6_addr_done(Ar, Br, N, {D1,D2,D3,D4}) ->
ipv6_addr_done(Ar, [((D3 bsl 8) bor D4),((D1 bsl 8) bor D2)|Br], N+2).
@@ -690,6 +733,19 @@ hex(Cs, [_|_]=R, _) when is_list(Cs) ->
hex(_, _, _) ->
erlang:error(badarg).
+%% Parse a reverse decimal integer string, empty is 0
+dec16(Cs) -> dec16(Cs, 0).
+%%
+dec16([], I) -> I;
+dec16([C|Cs], I) when C >= $0, C =< $9 ->
+ case 10*I + (C - $0) of
+ J when 16#ffff < J ->
+ erlang:error(badarg);
+ J ->
+ dec16(Cs, J)
+ end;
+dec16(_, _) -> erlang:error(badarg).
+
%% Hex string to integer
hex_to_int(Cs) -> erlang:list_to_integer(Cs, 16).
@@ -701,9 +757,9 @@ dup(N, E, L) when is_integer(N), N >= 1 ->
-%% Convert IPv4 adress to ascii
-%% Convert IPv6 / IPV4 adress to ascii (plain format)
-ntoa({A,B,C,D}) ->
+%% Convert IPv4 address to ascii
+%% Convert IPv6 / IPV4 address to ascii (plain format)
+ntoa({A,B,C,D}) when (A band B band C band D band (bnot 16#ff)) =:= 0 ->
integer_to_list(A) ++ "." ++ integer_to_list(B) ++ "." ++
integer_to_list(C) ++ "." ++ integer_to_list(D);
%% ANY
@@ -711,13 +767,25 @@ ntoa({0,0,0,0,0,0,0,0}) -> "::";
%% LOOPBACK
ntoa({0,0,0,0,0,0,0,1}) -> "::1";
%% IPV4 ipv6 host address
-ntoa({0,0,0,0,0,0,A,B}) -> "::" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B);
+ntoa({0,0,0,0,0,0,A,B}) when (A band B band (bnot 16#ffff)) =:= 0 ->
+ "::" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B);
%% IPV4 non ipv6 host address
-ntoa({0,0,0,0,0,16#ffff,A,B}) ->
- "::FFFF:" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B);
-ntoa({_,_,_,_,_,_,_,_}=T) ->
- %% Find longest sequence of zeros, at least 2, to replace with "::"
- ntoa(tuple_to_list(T), []);
+ntoa({0,0,0,0,0,16#ffff,A,B}) when (A band B band (bnot 16#ffff)) =:= 0 ->
+ "::ffff:" ++ dig_to_dec(A) ++ "." ++ dig_to_dec(B);
+ntoa({A,B,C,D,E,F,G,H})
+ when (A band B band C band D band E band F band G band H band
+ (bnot 16#ffff)) =:= 0 ->
+ if
+ A =:= 16#fe80, B =/= 0;
+ A =:= 16#ff02, B =/= 0 ->
+ %% Find longest sequence of zeros, at least 2,
+ %% to replace with "::"
+ ntoa([A,0,C,D,E,F,G,H], []) ++ "%0" ++ integer_to_list(B);
+ true ->
+ %% Find longest sequence of zeros, at least 2,
+ %% to replace with "::"
+ ntoa([A,B,C,D,E,F,G,H], [])
+ end;
ntoa(_) ->
{error, einval}.
@@ -780,9 +848,19 @@ dig_to_dec(X) ->
integer_to_list((X bsr 8) band 16#ff) ++ "." ++
integer_to_list(X band 16#ff).
-%% Convert a integer to hex string
-dig_to_hex(X) ->
- erlang:integer_to_list(X, 16).
+%% Convert a integer to hex string (lowercase)
+dig_to_hex(0) -> "0";
+dig_to_hex(X) when is_integer(X), 0 < X ->
+ dig_to_hex(X, "").
+%%
+dig_to_hex(0, Acc) -> Acc;
+dig_to_hex(X, Acc) ->
+ dig_to_hex(
+ X bsr 4,
+ [case X band 15 of
+ D when D < 10 -> D + $0;
+ D -> D - 10 + $a
+ end|Acc]).
%%
%% Count number of '.' in a name
diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl
index 8c8fe86811..e3fdb1bb22 100644
--- a/lib/kernel/src/inet_tcp_dist.erl
+++ b/lib/kernel/src/inet_tcp_dist.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.
@@ -390,14 +390,14 @@ splitnode(Driver, Node, LongOrShortNames) ->
error_msg("** System running to use "
"fully qualified "
"hostnames **~n"
- "** Hostname ~s is illegal **~n",
+ "** Hostname ~ts is illegal **~n",
[Host]),
?shutdown(Node)
end;
L when length(L) > 1, LongOrShortNames =:= shortnames ->
error_msg("** System NOT running to use fully qualified "
"hostnames **~n"
- "** Hostname ~s is illegal **~n",
+ "** Hostname ~ts is illegal **~n",
[Host]),
?shutdown(Node);
_ ->
diff --git a/lib/kernel/src/inet_udp.erl b/lib/kernel/src/inet_udp.erl
index 8a8aa8ecca..1e624b9e90 100644
--- a/lib/kernel/src/inet_udp.erl
+++ b/lib/kernel/src/inet_udp.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.
@@ -113,7 +113,7 @@ fdopen(Fd, Opts) ->
%% Here's how:
%% Reverse the list.
%% For each head option go through the tail and remove
-%% all occurences of the same option from the tail.
+%% all occurrences of the same option from the tail.
%% Store that head option and iterate using the new tail.
%% Return the list of stored head options.
optuniquify(List) ->
@@ -122,8 +122,8 @@ optuniquify(List) ->
optuniquify([], Result) ->
Result;
optuniquify([Opt | Tail], Result) ->
- %% Remove all occurences of Opt in Tail,
- %% prepend Opt to Result,
+ %% Remove all occurrences of Opt in Tail,
+ %% prepend Opt to Result,
%% then iterate back here.
optuniquify(Opt, Tail, [], Result).
diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src
index d184223524..e150938487 100644
--- a/lib/kernel/src/kernel.app.src
+++ b/lib/kernel/src/kernel.app.src
@@ -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.
@@ -34,6 +34,7 @@
erl_boot_server,
erl_distribution,
erl_reply,
+ erl_signal_handler,
error_handler,
error_logger,
file,
@@ -43,6 +44,7 @@
global_group,
global_search,
group,
+ group_history,
heart,
hipe_unified_loader,
inet6_tcp,
@@ -118,6 +120,6 @@
{applications, []},
{env, [{error_logger, tty}]},
{mod, {kernel, []}},
- {runtime_dependencies, ["erts-8.1", "stdlib-3.0", "sasl-3.0"]}
+ {runtime_dependencies, ["erts-9.0", "stdlib-3.0", "sasl-3.0"]}
]
}.
diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src
index e1173cd2f4..77085b2064 100644
--- a/lib/kernel/src/kernel.appup.src
+++ b/lib/kernel/src/kernel.appup.src
@@ -18,9 +18,7 @@
%% %CopyrightEnd%
{"%VSN%",
%% Up from - max one major revision back
- [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
- {<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-18.*
+ [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}], % OTP-19.*
%% Down to - max one major revision back
- [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}, % OTP-19.*
- {<<"4\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-18.*
+ [{<<"5\\.[0-2](\\.[0-9]+)*">>,[restart_new_emulator]}] % OTP-19.*
}.
diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl
index 3d0ef81318..cba57088ec 100644
--- a/lib/kernel/src/kernel.erl
+++ b/lib/kernel/src/kernel.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.
@@ -32,6 +32,14 @@
start(_, []) ->
case supervisor:start_link({local, kernel_sup}, kernel, []) of
{ok, Pid} ->
+ %% add signal handler
+ case whereis(erl_signal_server) of
+ %% in case of minimal mode
+ undefined -> ok;
+ _ ->
+ ok = gen_event:add_handler(erl_signal_server, erl_signal_handler, [])
+ end,
+ %% add error handler
Type = get_error_logger_type(),
case error_logger:swap_handler(Type) of
ok -> {ok, Pid, []};
@@ -92,60 +100,112 @@ get_error_logger_type() ->
%%%-----------------------------------------------------------------
init([]) ->
- SupFlags = {one_for_all, 0, 1},
-
- Config = {kernel_config,
- {kernel_config, start_link, []},
- permanent, 2000, worker, [kernel_config]},
- Code = {code_server,
- {code, start_link, []},
- permanent, 2000, worker, [code]},
- File = {file_server_2,
- {file_server, start_link, []},
- permanent, 2000, worker,
- [file, file_server, file_io_server, prim_file]},
- StdError = {standard_error,
- {standard_error, start_link, []},
- temporary, 2000, supervisor, [user_sup]},
- User = {user,
- {user_sup, start, []},
- temporary, 2000, supervisor, [user_sup]},
-
+ SupFlags = #{strategy => one_for_all,
+ intensity => 0,
+ period => 1},
+
+ Config = #{id => kernel_config,
+ start => {kernel_config, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [kernel_config]},
+
+ Code = #{id => code_server,
+ start => {code, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [code]},
+
+ File = #{id => file_server_2,
+ start => {file_server, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [file, file_server, file_io_server, prim_file]},
+
+ StdError = #{id => standard_error,
+ start => {standard_error, start_link, []},
+ restart => temporary,
+ shutdown => 2000,
+ type => supervisor,
+ modules => [user_sup]},
+
+ User = #{id => user,
+ start => {user_sup, start, []},
+ restart => temporary,
+ shutdown => 2000,
+ type => supervisor,
+ modules => [user_sup]},
+
+ SafeSup = #{id => kernel_safe_sup,
+ start =>{supervisor, start_link, [{local, kernel_safe_sup}, ?MODULE, safe]},
+ restart => permanent,
+ shutdown => infinity,
+ type => supervisor,
+ modules => [?MODULE]},
+
case init:get_argument(mode) of
- {ok, [["minimal"]]} ->
- SafeSupervisor = {kernel_safe_sup,
- {supervisor, start_link,
- [{local, kernel_safe_sup}, ?MODULE, safe]},
- permanent, infinity, supervisor, [?MODULE]},
- {ok, {SupFlags,
- [Code, File, StdError, User,
- Config, SafeSupervisor]}};
- _ ->
- Rpc = {rex, {rpc, start_link, []},
- permanent, 2000, worker, [rpc]},
- Global = {global_name_server, {global, start_link, []},
- permanent, 2000, worker, [global]},
- Glo_grp = {global_group, {global_group,start_link,[]},
- permanent, 2000, worker, [global_group]},
- InetDb = {inet_db, {inet_db, start_link, []},
- permanent, 2000, worker, [inet_db]},
- NetSup = {net_sup, {erl_distribution, start_link, []},
- permanent, infinity, supervisor,[erl_distribution]},
- DistAC = start_dist_ac(),
-
- Timer = start_timer(),
-
- SafeSupervisor = {kernel_safe_sup,
- {supervisor, start_link,
- [{local, kernel_safe_sup}, ?MODULE, safe]},
- permanent, infinity, supervisor, [?MODULE]},
- {ok, {SupFlags,
- [Code, Rpc, Global, InetDb | DistAC] ++
- [NetSup, Glo_grp, File,
- StdError, User, Config, SafeSupervisor] ++ Timer}}
+ {ok, [["minimal"]]} ->
+ {ok, {SupFlags, [Code, File, StdError, User, Config, SafeSup]}};
+ _ ->
+ Rpc = #{id => rex,
+ start => {rpc, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [rpc]},
+
+ Global = #{id => global_name_server,
+ start => {global, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [global]},
+
+ GlGroup = #{id => global_group,
+ start => {global_group,start_link,[]},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [global_group]},
+
+ InetDb = #{id => inet_db,
+ start => {inet_db, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [inet_db]},
+
+ NetSup = #{id => net_sup,
+ start => {erl_distribution, start_link, []},
+ restart => permanent,
+ shutdown => infinity,
+ type => supervisor,
+ modules => [erl_distribution]},
+
+ SigSrv = #{id => erl_signal_server,
+ start => {gen_event, start_link, [{local, erl_signal_server}]},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => dynamic},
+
+ DistAC = start_dist_ac(),
+
+ Timer = start_timer(),
+
+ {ok, {SupFlags,
+ [Code, Rpc, Global, InetDb | DistAC] ++
+ [NetSup, GlGroup, File, SigSrv,
+ StdError, User, Config, SafeSup] ++ Timer}}
end;
init(safe) ->
- SupFlags = {one_for_one, 4, 3600},
+ SupFlags = #{strategy => one_for_one,
+ intensity => 4,
+ period => 3600},
+
Boot = start_boot_server(),
DiskLog = start_disk_log(),
Pg2 = start_pg2(),
@@ -159,60 +219,85 @@ init(safe) ->
{ok, {SupFlags, Boot ++ DiskLog ++ Pg2}}.
start_dist_ac() ->
- Spec = [{dist_ac,{dist_ac,start_link,[]},permanent,2000,worker,[dist_ac]}],
+ Spec = [#{id => dist_ac,
+ start => {dist_ac,start_link,[]},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [dist_ac]}],
case application:get_env(kernel, start_dist_ac) of
- {ok, true} -> Spec;
- {ok, false} -> [];
- undefined ->
- case application:get_env(kernel, distributed) of
- {ok, _} -> Spec;
- _ -> []
- end
+ {ok, true} -> Spec;
+ {ok, false} -> [];
+ undefined ->
+ case application:get_env(kernel, distributed) of
+ {ok, _} -> Spec;
+ _ -> []
+ end
end.
start_boot_server() ->
case application:get_env(kernel, start_boot_server) of
- {ok, true} ->
- Args = get_boot_args(),
- [{boot_server, {erl_boot_server, start_link, [Args]}, permanent,
- 1000, worker, [erl_boot_server]}];
- _ ->
- []
+ {ok, true} ->
+ Args = get_boot_args(),
+ [#{id => boot_server,
+ start => {erl_boot_server, start_link, [Args]},
+ restart => permanent,
+ shutdown => 1000,
+ type => worker,
+ modules => [erl_boot_server]}];
+ _ ->
+ []
end.
get_boot_args() ->
case application:get_env(kernel, boot_server_slaves) of
- {ok, Slaves} -> Slaves;
- _ -> []
+ {ok, Slaves} -> Slaves;
+ _ -> []
end.
start_disk_log() ->
case application:get_env(kernel, start_disk_log) of
- {ok, true} ->
- [{disk_log_server,
- {disk_log_server, start_link, []},
- permanent, 2000, worker, [disk_log_server]},
- {disk_log_sup, {disk_log_sup, start_link, []}, permanent,
- 1000, supervisor, [disk_log_sup]}];
- _ ->
- []
+ {ok, true} ->
+ [#{id => disk_log_server,
+ start => {disk_log_server, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [disk_log_server]},
+ #{id => disk_log_sup,
+ start => {disk_log_sup, start_link, []},
+ restart => permanent,
+ shutdown => 1000,
+ type => supervisor,
+ modules => [disk_log_sup]}];
+ _ ->
+ []
end.
start_pg2() ->
case application:get_env(kernel, start_pg2) of
- {ok, true} ->
- [{pg2, {pg2, start_link, []}, permanent, 1000, worker, [pg2]}];
- _ ->
- []
+ {ok, true} ->
+ [#{id => pg2,
+ start => {pg2, start_link, []},
+ restart => permanent,
+ shutdown => 1000,
+ type => worker,
+ modules => [pg2]}];
+ _ ->
+ []
end.
start_timer() ->
case application:get_env(kernel, start_timer) of
- {ok, true} ->
- [{timer_server, {timer, start_link, []}, permanent, 1000, worker,
- [timer]}];
- _ ->
- []
+ {ok, true} ->
+ [#{id => timer_server,
+ start => {timer, start_link, []},
+ restart => permanent,
+ shutdown => 1000,
+ type => worker,
+ modules => [timer]}];
+ _ ->
+ []
end.
%%-----------------------------------------------------------------
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index 0c679e7349..ddda396713 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.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.
@@ -26,15 +26,13 @@
%%-define(dist_debug, true).
-%-define(DBG,erlang:display([?MODULE,?LINE])).
-
-ifdef(dist_debug).
-define(debug(Term), erlang:display(Term)).
-else.
-define(debug(Term), ok).
-endif.
--ifdef(DEBUG).
+-ifdef(dist_debug).
-define(connect_failure(Node,Term),
io:format("Net Kernel 2: Failed connection to node ~p, reason ~p~n",
[Node,Term])).
@@ -1264,11 +1262,22 @@ create_name(Name, LongOrShortNames, Try) ->
{Head,Host1} = create_hostpart(Name, LongOrShortNames),
case Host1 of
{ok,HostPart} ->
- {ok,list_to_atom(Head ++ HostPart)};
+ case valid_name_head(Head) of
+ true ->
+ {ok,list_to_atom(Head ++ HostPart)};
+ false ->
+ error_logger:info_msg("Invalid node name!\n"
+ "Please check your configuration\n"),
+ {error, badarg}
+ end;
{error,long} when Try =:= 1 ->
%% It could be we haven't read domain name from resolv file yet
inet_config:do_load_resolv(os:type(), longnames),
create_name(Name, LongOrShortNames, 0);
+ {error, hostname_not_allowed} ->
+ error_logger:info_msg("Invalid node name!\n"
+ "Please check your configuration\n"),
+ {error, badarg};
{error,Type} ->
error_logger:info_msg(
lists:concat(["Can\'t set ",
@@ -1281,12 +1290,13 @@ create_name(Name, LongOrShortNames, Try) ->
create_hostpart(Name, LongOrShortNames) ->
{Head,Host} = split_node(Name),
Host1 = case {Host,LongOrShortNames} of
- {[$@,_|_],longnames} ->
- {ok,Host};
+ {[$@,_|_] = Host,longnames} ->
+ validate_hostname(Host);
{[$@,_|_],shortnames} ->
case lists:member($.,Host) of
true -> {error,short};
- _ -> {ok,Host}
+ _ ->
+ validate_hostname(Host)
end;
{_,shortnames} ->
case inet_db:gethostname() of
@@ -1306,6 +1316,24 @@ create_hostpart(Name, LongOrShortNames) ->
end,
{Head,Host1}.
+validate_hostname([$@|HostPart] = Host) ->
+ {ok, MP} = re:compile("^[!-ΓΏ]*$", [unicode]),
+ case re:run(HostPart, MP) of
+ {match, _} ->
+ {ok, Host};
+ nomatch ->
+ {error, hostname_not_allowed}
+ end.
+
+valid_name_head(Head) ->
+ {ok, MP} = re:compile("^[0-9A-Za-z_\\-]*$", [unicode]),
+ case re:run(Head, MP) of
+ {match, _} ->
+ true;
+ nomatch ->
+ false
+ end.
+
split_node(Name) ->
lists:splitwith(fun(C) -> C =/= $@ end, atom_to_list(Name)).
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index a90a6dcca7..0250783632 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -29,7 +29,7 @@
-export([getenv/0, getenv/1, getenv/2, getpid/0,
perf_counter/0, perf_counter/1,
- putenv/2, system_time/0, system_time/1,
+ putenv/2, set_signal/2, system_time/0, system_time/1,
timestamp/0, unsetenv/1]).
-spec getenv() -> [string()].
@@ -104,6 +104,15 @@ timestamp() ->
unsetenv(_) ->
erlang:nif_error(undef).
+-spec set_signal(Signal, Option) -> 'ok' when
+ Signal :: 'sighup' | 'sigquit' | 'sigabrt' | 'sigalrm' |
+ 'sigterm' | 'sigusr1' | 'sigusr2' | 'sigchld' |
+ 'sigstop' | 'sigtstp',
+ Option :: 'default' | 'handle' | 'ignore'.
+
+set_signal(_Signal, _Option) ->
+ erlang:nif_error(undef).
+
%%% End of BIFs
-spec type() -> {Osfamily, Osname} when