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-rw-r--r--lib/kernel/src/application.erl6
-rw-r--r--lib/kernel/src/code.erl129
-rw-r--r--lib/kernel/src/disk_log_1.erl8
-rw-r--r--lib/kernel/src/erl_ddll.erl33
-rw-r--r--lib/kernel/src/error_handler.erl6
-rw-r--r--lib/kernel/src/file.erl4
-rw-r--r--lib/kernel/src/global.erl30
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl11
-rw-r--r--lib/kernel/src/inet6_tcp_dist.erl6
-rw-r--r--lib/kernel/src/inet_res.erl203
-rw-r--r--lib/kernel/src/net_kernel.erl35
-rw-r--r--lib/kernel/src/os.erl33
12 files changed, 283 insertions, 221 deletions
diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl
index d9db23d652..2a193affd4 100644
--- a/lib/kernel/src/application.erl
+++ b/lib/kernel/src/application.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -204,12 +204,12 @@ get_env(Key) ->
get_env(Application, Key) ->
application_controller:get_env(Application, Key).
--spec get_all_env() -> [] | [{atom(), any()}].
+-spec get_all_env() -> [{atom(), any()}].
get_all_env() ->
application_controller:get_pid_all_env(group_leader()).
--spec get_all_env(atom()) -> [] | [{atom(), any()}].
+-spec get_all_env(atom()) -> [{atom(), any()}].
get_all_env(Application) ->
application_controller:get_all_env(Application).
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index feb5131aad..b0f99305f2 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -72,39 +72,42 @@
%% User interface.
%%
-%% objfile_extension() -> ".beam"
-%% set_path(Dir*) -> true
-%% get_path() -> Dir*
-%% add_path(Dir) -> true | {error, What}
-%% add_patha(Dir) -> true | {error, What}
-%% add_pathz(Dir) -> true | {error, What}
-%% add_paths(DirList) -> true | {error, What}
-%% add_pathsa(DirList) -> true | {error, What}
-%% add_pathsz(DirList) -> true | {error, What}
-%% del_path(Dir) -> true | {error, What}
-%% replace_path(Name,Dir) -> true | {error, What}
-%% load_file(File) -> {error,What} | {module, Mod}
-%% load_abs(File) -> {error,What} | {module, Mod}
-%% load_abs(File,Mod) -> {error,What} | {module, Mod}
-%% load_binary(Mod,File,Bin) -> {error,What} | {module,Mod}
-%% ensure_loaded(Module) -> {error,What} | {module, Mod}
-%% delete(Module)
-%% purge(Module) kills all procs running old code
-%% soft_purge(Module) -> true | false
-%% is_loaded(Module) -> {file, File} | false
-%% all_loaded() -> {Module, File}*
-%% get_object_code(Mod) -> error | {Mod, Bin, Filename}
-%% stop() -> true
-%% root_dir()
-%% compiler_dir()
-%% lib_dir()
-%% priv_dir(Name)
-%% stick_dir(Dir) -> ok | error
-%% unstick_dir(Dir) -> ok | error
-%% is_sticky(Module) -> true | false
-%% which(Module) -> Filename
-%% set_primary_archive((FileName, Bin, FileInfo) -> ok | {error, Reason}
-%% clash() -> -> print out
+%% objfile_extension() -> ".beam"
+%% get_path() -> [Dir]
+%% set_path([Dir]) -> true | {error, bad_directory | bad_path}
+%% add_path(Dir) -> true | {error, bad_directory}
+%% add_patha(Dir) -> true | {error, bad_directory}
+%% add_pathz(Dir) -> true | {error, bad_directory}
+%% add_paths([Dir]) -> ok
+%% add_pathsa([Dir]) -> ok
+%% add_pathsz([Dir]) -> ok
+%% del_path(Dir) -> boolean() | {error, bad_name}
+%% replace_path(Name, Dir) -> true | replace_path_error()
+%% load_file(Module) -> {module, Module} | {error, What :: atom()}
+%% load_abs(File) -> {module, Module} | {error, What :: atom()}
+%% load_abs(File, Module) -> {module, Module} | {error, What :: atom()}
+%% load_binary(Module, File, Bin)-> {module, Module} | {error, What :: atom()}
+%% ensure_loaded(Module) -> {module, Module} | {error, What :: atom()}
+%% delete(Module) -> boolean()
+%% purge(Module) -> boolean() kills all procs running old code
+%% soft_purge(Module) -> boolean()
+%% is_loaded(Module) -> {file, loaded_filename()} | false
+%% all_loaded() -> [{Module, loaded_filename()}]
+%% get_object_code(Module) -> {Module, Bin, Filename} | error
+%% stop() -> no_return()
+%% root_dir() -> Dir
+%% compiler_dir() -> Dir
+%% lib_dir() -> Dir
+%% lib_dir(Application) -> Dir | {error, bad_name}
+%% priv_dir(Application) -> Dir | {error, bad_name}
+%% stick_dir(Dir) -> ok | error
+%% unstick_dir(Dir) -> ok | error
+%% stick_mod(Module) -> true
+%% unstick_mod(Module) -> true
+%% is_sticky(Module) -> boolean()
+%% which(Module) -> Filename | loaded_ret_atoms() | non_existing
+%% set_primary_archive((FileName, Bin, FileInfo) -> ok | {error, Reason}
+%% clash() -> ok prints out number of clashes
%%----------------------------------------------------------------------------
%% Some types for basic exported functions of this module
@@ -120,7 +123,7 @@
%% User interface
%%----------------------------------------------------------------------------
--spec objfile_extension() -> file:filename().
+-spec objfile_extension() -> nonempty_string().
objfile_extension() ->
init:objfile_extension().
@@ -138,21 +141,21 @@ load_abs(File) when is_list(File); is_atom(File) -> call({load_abs,File,[]}).
%% XXX Filename is also an atom(), e.g. 'cover_compiled'
-spec load_abs(Filename :: loaded_filename(), Module :: atom()) -> load_ret().
-load_abs(File,M) when (is_list(File) orelse is_atom(File)), is_atom(M) ->
+load_abs(File, M) when (is_list(File) orelse is_atom(File)), is_atom(M) ->
call({load_abs,File,M}).
%% XXX Filename is also an atom(), e.g. 'cover_compiled'
-spec load_binary(Module :: atom(), Filename :: loaded_filename(), Binary :: binary()) -> load_ret().
-load_binary(Mod,File,Bin)
+load_binary(Mod, File, Bin)
when is_atom(Mod), (is_list(File) orelse is_atom(File)), is_binary(Bin) ->
call({load_binary,Mod,File,Bin}).
-spec load_native_partial(Module :: atom(), Binary :: binary()) -> load_ret().
-load_native_partial(Mod,Bin) when is_atom(Mod), is_binary(Bin) ->
+load_native_partial(Mod, Bin) when is_atom(Mod), is_binary(Bin) ->
call({load_native_partial,Mod,Bin}).
-spec load_native_sticky(Module :: atom(), Binary :: binary(), WholeModule :: 'false' | binary()) -> load_ret().
-load_native_sticky(Mod,Bin,WholeModule)
+load_native_sticky(Mod, Bin, WholeModule)
when is_atom(Mod), is_binary(Bin),
(is_binary(WholeModule) orelse WholeModule =:= false) ->
call({load_native_sticky,Mod,Bin,WholeModule}).
@@ -160,7 +163,7 @@ load_native_sticky(Mod,Bin,WholeModule)
-spec delete(Module :: atom()) -> boolean().
delete(Mod) when is_atom(Mod) -> call({delete,Mod}).
--spec purge/1 :: (Module :: atom()) -> boolean().
+-spec purge(Module :: atom()) -> boolean().
purge(Mod) when is_atom(Mod) -> call({purge,Mod}).
-spec soft_purge(Module :: atom()) -> boolean().
@@ -195,7 +198,7 @@ lib_dir(App, SubDir) when is_atom(App), is_atom(SubDir) -> call({dir,{lib_dir,Ap
compiler_dir() -> call({dir,compiler_dir}).
%% XXX is_list() is for backwards compatibility -- take out in future version
--spec priv_dir(Appl :: atom()) -> file:filename() | {'error', 'bad_name'}.
+-spec priv_dir(App :: atom()) -> file:filename() | {'error', 'bad_name'}.
priv_dir(App) when is_atom(App) ; is_list(App) -> call({dir,{priv_dir,App}}).
-spec stick_dir(Directory :: file:filename()) -> 'ok' | 'error'.
@@ -220,13 +223,14 @@ set_path(PathList) when is_list(PathList) -> call({set_path,PathList}).
-spec get_path() -> [file:filename()].
get_path() -> call(get_path).
--spec add_path(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
+-type add_path_ret() :: 'true' | {'error', 'bad_directory'}.
+-spec add_path(Directory :: file:filename()) -> add_path_ret().
add_path(Dir) when is_list(Dir) -> call({add_path,last,Dir}).
--spec add_pathz(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
+-spec add_pathz(Directory :: file:filename()) -> add_path_ret().
add_pathz(Dir) when is_list(Dir) -> call({add_path,last,Dir}).
--spec add_patha(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
+-spec add_patha(Directory :: file:filename()) -> add_path_ret().
add_patha(Dir) when is_list(Dir) -> call({add_path,first,Dir}).
-spec add_paths(Directories :: [file:filename()]) -> 'ok'.
@@ -243,8 +247,8 @@ del_path(Name) when is_list(Name) ; is_atom(Name) -> call({del_path,Name}).
-type replace_path_error() :: {'error', 'bad_directory' | 'bad_name' | {'badarg',_}}.
-spec replace_path(Name:: atom(), Dir :: file:filename()) -> 'true' | replace_path_error().
-replace_path(Name, Dir) when (is_atom(Name) or is_list(Name)) and
- (is_atom(Dir) or is_list(Dir)) ->
+replace_path(Name, Dir) when (is_atom(Name) orelse is_list(Name)),
+ (is_atom(Dir) orelse is_list(Dir)) ->
call({replace_path,Name,Dir}).
-spec rehash() -> 'ok'.
@@ -275,21 +279,14 @@ start_link(Flags) ->
do_start(Flags) ->
%% The following module_info/1 calls are here to ensure
- %% that the modules are loaded prior to their use elsewhere in
+ %% that these modules are loaded prior to their use elsewhere in
%% the code_server.
%% Otherwise a deadlock may occur when the code_server is starting.
- code_server:module_info(module),
- packages:module_info(module),
+ code_server = code_server:module_info(module),
+ packages = packages:module_info(module),
catch hipe_unified_loader:load_hipe_modules(),
- gb_sets:module_info(module),
- gb_trees:module_info(module),
-
- ets:module_info(module),
- os:module_info(module),
- binary:module_info(module),
- unicode:module_info(module),
- filename:module_info(module),
- lists:module_info(module),
+ Modules2 = [gb_sets, gb_trees, ets, os, binary, unicode, filename, lists],
+ lists:foreach(fun (M) -> M = M:module_info(module) end, Modules2),
Mode = get_mode(Flags),
case init:get_argument(root) of
@@ -297,7 +294,7 @@ do_start(Flags) ->
Root = filename:join([Root0]), % Normalize. Use filename
case code_server:start_link([Root,Mode]) of
{ok,_Pid} = Ok2 ->
- if
+ if
Mode =:= interactive ->
case lists:member(stick, Flags) of
true -> do_stick_dirs();
@@ -306,14 +303,14 @@ do_start(Flags) ->
true ->
ok
end,
- % Quietly load the native code for all modules loaded so far.
+ %% Quietly load native code for all modules loaded so far
catch load_native_code_for_all_loaded(),
Ok2;
Other ->
Other
end;
Other ->
- error_logger:error_msg("Can not start code server ~w ~n",[Other]),
+ error_logger:error_msg("Can not start code server ~w ~n", [Other]),
{error, crash}
end.
@@ -330,7 +327,7 @@ do_s(Lib) ->
%% The return value is intentionally ignored. Missing
%% directories is not a fatal error. (In embedded systems,
%% there is usually no compiler directory.)
- stick_dir(filename:append(Dir, "ebin")),
+ _ = stick_dir(filename:append(Dir, "ebin")),
ok
end.
@@ -428,7 +425,7 @@ where_is_file(Path, File) when is_list(Path), is_list(File) ->
-spec set_primary_archive(ArchiveFile :: file:filename(),
ArchiveBin :: binary(),
- FileInfo :: #file_info{})
+ FileInfo :: file:file_info())
-> 'ok' | {'error', atom()}.
set_primary_archive(ArchiveFile0, ArchiveBin, #file_info{} = FileInfo)
@@ -485,13 +482,13 @@ filter(Ext, _, {ok,Files}) ->
filter2(Ext, length(Ext), Files).
filter2(_Ext, _Extlen, []) -> [];
-filter2(Ext, Extlen,[File|Tail]) ->
- case has_ext(Ext,Extlen, File) of
+filter2(Ext, Extlen, [File|Tail]) ->
+ case has_ext(Ext, Extlen, File) of
true -> [File | filter2(Ext, Extlen, Tail)];
false -> filter2(Ext, Extlen, Tail)
end.
-has_ext(Ext, Extlen,File) ->
+has_ext(Ext, Extlen, File) ->
L = length(File),
case catch lists:nthtail(L - Extlen, File) of
Ext -> true;
diff --git a/lib/kernel/src/disk_log_1.erl b/lib/kernel/src/disk_log_1.erl
index 8ccdb88d12..266df84a03 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 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. 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
@@ -581,11 +581,13 @@ done_scan(In, Out, OutName, FName, RecoveredTerms, BadChars) ->
file:delete(OutName),
throw(Error)
end.
-
+
+-spec repair_err(file:io_device(), #cache{}, file:filename(),
+ file:filename(), {'error', file:posix()}) -> no_return().
repair_err(In, Out, OutName, ErrFileName, Error) ->
file:close(In),
catch fclose(Out, OutName),
- % OutName is often the culprit, try to remove it anyway...
+ %% OutName is often the culprit, try to remove it anyway...
file:delete(OutName),
file_error(ErrFileName, Error).
diff --git a/lib/kernel/src/erl_ddll.erl b/lib/kernel/src/erl_ddll.erl
index 88f91de24f..ce64589a29 100644
--- a/lib/kernel/src/erl_ddll.erl
+++ b/lib/kernel/src/erl_ddll.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1997-2011. 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%
%%
%% Dynamic Driver Loader and Linker
@@ -29,6 +29,11 @@
%%----------------------------------------------------------------------------
+-type path() :: string() | atom().
+-type driver() :: string() | atom().
+
+%%----------------------------------------------------------------------------
+
-spec start() -> {'error', {'already_started', 'undefined'}}.
start() ->
@@ -39,13 +44,13 @@ start() ->
stop() ->
ok.
--spec load_driver(Path :: string() | atom(), Driver :: string() | atom()) ->
+-spec load_driver(Path :: path(), Driver :: driver()) ->
'ok' | {'error', any()}.
load_driver(Path, Driver) ->
do_load_driver(Path, Driver, [{driver_options,[kill_ports]}]).
--spec load(Path :: string() | atom(), Driver :: string() | atom()) ->
+-spec load(Path :: path(), Driver :: driver()) ->
'ok' | {'error', any()}.
load(Path, Driver) ->
@@ -95,23 +100,23 @@ do_unload_driver(Driver,Flags) ->
end
end.
--spec unload_driver(Driver :: string() | atom()) -> 'ok' | {'error', any()}.
+-spec unload_driver(Driver :: driver()) -> 'ok' | {'error', any()}.
unload_driver(Driver) ->
do_unload_driver(Driver,[{monitor,pending_driver},kill_ports]).
--spec unload(Driver :: string() | atom()) -> 'ok' | {'error', any()}.
+-spec unload(Driver :: driver()) -> 'ok' | {'error', any()}.
unload(Driver) ->
do_unload_driver(Driver,[]).
--spec reload(Path :: string() | atom(), Driver :: string() | atom()) ->
+-spec reload(Path :: path(), Driver :: driver()) ->
'ok' | {'error', any()}.
reload(Path,Driver) ->
do_load_driver(Path, Driver, [{reload,pending_driver}]).
--spec reload_driver(Path :: string() | atom(), Driver :: string() | atom()) ->
+-spec reload_driver(Path :: path(), Driver :: driver()) ->
'ok' | {'error', any()}.
reload_driver(Path,Driver) ->
@@ -122,15 +127,15 @@ reload_driver(Path,Driver) ->
format_error(Code) ->
case Code of
- % This is the only error code returned only from erlang code...
- % 'permanent' has a translation in the emulator, even though the erlang code uses it to...
+ %% This is the only error code returned only from erlang code...
+ %% 'permanent' has a translation in the emulator, even though the erlang code uses it to...
load_cancelled ->
"Loading was cancelled from other process";
_ ->
erl_ddll:format_error_int(Code)
end.
--spec info(Driver :: string() | atom()) -> [{atom(), any()}].
+-spec info(Driver :: driver()) -> [{atom(), any()}, ...].
info(Driver) ->
[{processes, erl_ddll:info(Driver,processes)},
diff --git a/lib/kernel/src/error_handler.erl b/lib/kernel/src/error_handler.erl
index 885eeb2b0f..6f69f4ccb9 100644
--- a/lib/kernel/src/error_handler.erl
+++ b/lib/kernel/src/error_handler.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -80,9 +80,13 @@ int() -> int.
%%
%% Crash providing a beautiful stack backtrace.
%%
+-spec crash(atom(), [term()]) -> no_return().
+
crash(Fun, Args) ->
crash({Fun,Args}).
+-spec crash(atom(), atom(), arity()) -> no_return().
+
crash(M, F, A) ->
crash({M,F,A}).
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index bc95359986..88bcf9a9cc 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -240,7 +240,7 @@ write_file(Name, Bin) ->
%% when it is time to change file server protocol again.
%% Meanwhile, it is implemented here, slightly less efficient.
--spec write_file(Name :: name(), Bin :: binary(), Modes :: [mode()]) ->
+-spec write_file(Name :: name(), Bin :: iodata(), Modes :: [mode()]) ->
'ok' | {'error', posix()}.
write_file(Name, Bin, ModeList) when is_list(ModeList) ->
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl
index 081e7e2f93..6343acd000 100644
--- a/lib/kernel/src/global.erl
+++ b/lib/kernel/src/global.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -113,8 +113,9 @@
syncers = [] :: [pid()],
node_name = node() :: node(),
the_locker, the_registrar, trace,
- global_lock_down = false
+ global_lock_down = false :: boolean()
}).
+-type state() :: #state{}.
%%% There are also ETS tables used for bookkeeping of locks and names
%%% (the first position is the key):
@@ -399,6 +400,9 @@ info() ->
%%%-----------------------------------------------------------------
%%% Call-back functions from gen_server
%%%-----------------------------------------------------------------
+
+-spec init([]) -> {'ok', state()}.
+
init([]) ->
process_flag(trap_exit, true),
_ = ets:new(global_locks, [set, named_table, protected]),
@@ -542,6 +546,11 @@ init([]) ->
%% sent by each node to all new nodes (Node becomes known to them)
%%-----------------------------------------------------------------
+-spec handle_call(term(), {pid(), term()}, state()) ->
+ {'noreply', state()} |
+ {'reply', term(), state()} |
+ {'stop', 'normal', 'stopped', state()}.
+
handle_call({whereis, Name}, From, S) ->
do_whereis(Name, From),
{noreply, S};
@@ -621,6 +630,9 @@ handle_call(Request, From, S) ->
%% init_connect
%%
%%========================================================================
+
+-spec handle_cast(term(), state()) -> {'noreply', state()}.
+
handle_cast({init_connect, Vsn, Node, InitMsg}, S) ->
%% Sent from global_name_server at Node.
?trace({'####', init_connect, {vsn, Vsn}, {node,Node},{initmsg,InitMsg}}),
@@ -782,6 +794,11 @@ handle_cast(Request, S) ->
"handle_cast(~p, _)\n", [Request]),
{noreply, S}.
+%%========================================================================
+
+-spec handle_info(term(), state()) ->
+ {'noreply', state()} | {'stop', term(), state()}.
+
handle_info({'EXIT', Locker, _Reason}=Exit, #state{the_locker=Locker}=S) ->
{stop, {locker_died,Exit}, S#state{the_locker=undefined}};
handle_info({'EXIT', Registrar, _}=Exit, #state{the_registrar=Registrar}=S) ->
@@ -1122,12 +1139,17 @@ do_whereis(Name, From) ->
send_again({whereis, Name, From})
end.
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_Reason, _S) ->
true = ets:delete(global_names),
true = ets:delete(global_names_ext),
true = ets:delete(global_locks),
true = ets:delete(global_pid_names),
- true = ets:delete(global_pid_ids).
+ true = ets:delete(global_pid_ids),
+ ok.
+
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
code_change(_OldVsn, S, _Extra) ->
{ok, S}.
@@ -1955,7 +1977,7 @@ delete_lock(Ref, S0) ->
Locks = pid_locks(Ref),
F = fun({ResourceId, LockRequesterId, PidRefs}, S) ->
{Pid, _RPid, Ref} = lists:keyfind(Ref, 3, PidRefs),
- remove_lock(ResourceId, LockRequesterId, Pid, PidRefs, true,S)
+ remove_lock(ResourceId, LockRequesterId, Pid, PidRefs, true, S)
end,
lists:foldl(F, S0, Locks).
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index f289b8110d..1d3eb926ca 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -258,7 +258,7 @@ find_callee_mfas(Patches) when is_list(Patches) ->
amd64 -> [];
arm -> find_callee_mfas(Patches, gb_sets:empty(), false);
powerpc -> find_callee_mfas(Patches, gb_sets:empty(), true);
- %% ppc64 -> find_callee_mfas(Patches, gb_sets:empty(), true);
+ ppc64 -> find_callee_mfas(Patches, gb_sets:empty(), true);
ultrasparc -> [];
x86 -> []
end.
@@ -301,6 +301,7 @@ mk_trampoline_map(CalleeMFAs, Trampolines) ->
SizeofLong =
case erlang:system_info(hipe_architecture) of
amd64 -> 8;
+ ppc64 -> 8;
_ -> 4
end,
mk_trampoline_map(tuple_size(CalleeMFAs), CalleeMFAs,
@@ -625,15 +626,15 @@ patch_instr(Address, Value, Type) ->
%%
%% XXX: It appears this is used for inserting both code addresses
%% and other data. In HiPE, code addresses are still 32-bit on
-%% 64-bit machines.
+%% some 64-bit machines.
write_word(DataAddress, DataWord) ->
case erlang:system_info(hipe_architecture) of
amd64 ->
hipe_bifs:write_u64(DataAddress, DataWord),
DataAddress+8;
- %% ppc64 ->
- %% hipe_bifs:write_u64(DataAddress, DataWord),
- %% DataAddress+8;
+ ppc64 ->
+ hipe_bifs:write_u64(DataAddress, DataWord),
+ DataAddress+8;
_ ->
hipe_bifs:write_u32(DataAddress, DataWord),
DataAddress+4
diff --git a/lib/kernel/src/inet6_tcp_dist.erl b/lib/kernel/src/inet6_tcp_dist.erl
index fab00bbb9f..b9c4fa607c 100644
--- a/lib/kernel/src/inet6_tcp_dist.erl
+++ b/lib/kernel/src/inet6_tcp_dist.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. 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
@@ -162,8 +162,8 @@ do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
inet:getll(S)
end,
f_address = fun get_remote_id/2,
- mf_tick = {?MODULE, tick},
- mf_getstat = {?MODULE,getstat}
+ mf_tick = fun ?MODULE:tick/1,
+ mf_getstat = fun ?MODULE:getstat/1
},
dist_util:handshake_other_started(HSData);
{false,IP} ->
diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl
index de0f23bf24..93563c6011 100644
--- a/lib/kernel/src/inet_res.erl
+++ b/lib/kernel/src/inet_res.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. 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
@@ -539,27 +539,41 @@ udp_send(#sock{inet=I}, {A,B,C,D}=IP, Port, Buffer)
when ?ip(A,B,C,D), ?port(Port) ->
gen_udp:send(I, IP, Port, Buffer).
-udp_recv(#sock{inet6=I}, {A,B,C,D,E,F,G,H}=IP, Port, Timeout)
+udp_recv(#sock{inet6=I}, {A,B,C,D,E,F,G,H}=IP, Port, Timeout, Decode)
when ?ip6(A,B,C,D,E,F,G,H), ?port(Port) ->
- do_udp_recv(fun(T) -> gen_udp:recv(I, 0, T) end, IP, Port, Timeout);
-udp_recv(#sock{inet=I}, {A,B,C,D}=IP, Port, Timeout)
+ do_udp_recv(I, IP, Port, Timeout, Decode, erlang:now(), Timeout);
+udp_recv(#sock{inet=I}, {A,B,C,D}=IP, Port, Timeout, Decode)
when ?ip(A,B,C,D), ?port(Port) ->
- do_udp_recv(fun(T) -> gen_udp:recv(I, 0, T) end, IP, Port, Timeout).
-
-do_udp_recv(Recv, IP, Port, Timeout) ->
- do_udp_recv(Recv, IP, Port, Timeout,
- if Timeout =/= 0 -> erlang:now(); true -> undefined end).
-
-do_udp_recv(Recv, IP, Port, Timeout, Then) ->
- case Recv(Timeout) of
- {ok,{IP,Port,Answer}} ->
- {ok,Answer,erlang:max(0, Timeout - now_ms(erlang:now(), Then))};
- {ok,_} when Timeout =:= 0 ->
- {error,timeout};
- {ok,_} ->
- Now = erlang:now(),
- T = erlang:max(0, Timeout - now_ms(Now, Then)),
- do_udp_recv(Recv, IP, Port, T, Now);
+ do_udp_recv(I, IP, Port, Timeout, Decode, erlang:now(), Timeout).
+
+do_udp_recv(_I, _IP, _Port, 0, _Decode, _Start, _T) ->
+ timeout;
+do_udp_recv(I, IP, Port, Timeout, Decode, Start, T) ->
+ case gen_udp:recv(I, 0, T) of
+ {ok,Reply} ->
+ case Decode(Reply) of
+ false when T =:= 0 ->
+ %% This is a compromize between the hard way i.e
+ %% in the clause below if NewT becomes 0 bailout
+ %% immediately and risk that the right reply lies
+ %% ahead after some bad id replies, and the
+ %% forgiving way i.e go on with Timeout 0 until
+ %% the right reply comes or no reply (timeout)
+ %% which opens for a DOS attack by a malicious
+ %% DNS server flooding with bad id replies causing
+ %% an infinite loop here.
+ %%
+ %% Timeout is used as a sanity limit counter
+ %% just to put an end to the loop.
+ NewTimeout = erlang:max(0, Timeout - 50),
+ do_udp_recv(I, IP, Port, NewTimeout, Decode, Start, T);
+ false ->
+ Now = erlang:now(),
+ NewT = erlang:max(0, Timeout - now_ms(Now, Start)),
+ do_udp_recv(I, IP, Port, Timeout, Decode, Start, NewT);
+ Result ->
+ Result
+ end;
Error -> Error
end.
@@ -580,6 +594,17 @@ udp_close(#sock{inet=I,inet6=I6}) ->
%% end
%% end
%%
+%% But that man page also says dig always use num_servers = 1.
+%%
+%% Our man page says: timeout/retry, then double for next retry, i.e
+%% for i = 0 to retry - 1
+%% foreach nameserver
+%% send query
+%% wait((time * (2**i)) / retry)
+%% end
+%% end
+%%
+%% And that is what the code seems to do, now fixed, hopefully...
do_query(_Q, [], _Timer) ->
{error,nxdomain};
@@ -589,19 +614,16 @@ do_query(#q{options=#options{retry=Retry}}=Q, NSs, Timer) ->
query_retries(_Q, _NSs, _Timer, Retry, Retry, S) ->
udp_close(S),
{error,timeout};
+query_retries(_Q, [], _Timer, _Retry, _I, S) ->
+ udp_close(S),
+ {error,timeout};
query_retries(Q, NSs, Timer, Retry, I, S0) ->
- Num = length(NSs),
- if Num =:= 0 ->
- udp_close(S0),
- {error,timeout};
- true ->
- case query_nss(Q, NSs, Timer, Retry, I, S0, []) of
- {S,{noanswer,ErrNSs}} -> %% remove unreachable nameservers
- query_retries(Q, NSs--ErrNSs, Timer, Retry, I+1, S);
- {S,Result} ->
- udp_close(S),
- Result
- end
+ case query_nss(Q, NSs, Timer, Retry, I, S0, []) of
+ {S,{noanswer,ErrNSs}} -> %% remove unreachable nameservers
+ query_retries(Q, NSs--ErrNSs, Timer, Retry, I+1, S);
+ {S,Result} ->
+ udp_close(S),
+ Result
end.
query_nss(_Q, [], _Timer, _Retry, _I, S, ErrNSs) ->
@@ -611,13 +633,13 @@ query_nss(#q{edns=undefined}=Q, NSs, Timer, Retry, I, S, ErrNSs) ->
query_nss(Q, NSs, Timer, Retry, I, S, ErrNSs) ->
query_nss_edns(Q, NSs, Timer, Retry, I, S, ErrNSs).
-query_nss_edns(#q{options=#options{udp_payload_size=PSz}=Options,
- edns={Id,Buffer}}=Q,
- [{IP,Port}=NS|NSs]=NSs0, Timer, Retry, I, S0, ErrNSs) ->
- {S,Res}=Reply = query_ns(S0, Id, Buffer, IP, Port, Timer,
- Retry, I, Options, PSz),
+query_nss_edns(
+ #q{options=#options{udp_payload_size=PSz}=Options,edns={Id,Buffer}}=Q,
+ [{IP,Port}=NS|NSs]=NSs0, Timer, Retry, I, S0, ErrNSs) ->
+ {S,Res}=Reply =
+ query_ns(S0, Id, Buffer, IP, Port, Timer, Retry, I, Options, PSz),
case Res of
- timeout -> {S,{error,timeout}};
+ timeout -> {S,{error,timeout}}; % Bailout timeout
{ok,_} -> Reply;
{error,{nxdomain,_}} -> Reply;
{error,{E,_}} when E =:= qfmterror; E =:= notimp; E =:= servfail;
@@ -629,17 +651,19 @@ query_nss_edns(#q{options=#options{udp_payload_size=PSz}=Options,
query_nss(Q, NSs, Timer, Retry, I, S, ErrNSs)
end.
-query_nss_dns(#q{dns=Qdns}=Q0, [{IP,Port}=NS|NSs],
- Timer, Retry, I, S0, ErrNSs) ->
+query_nss_dns(
+ #q{dns=Qdns}=Q0,
+ [{IP,Port}=NS|NSs], Timer, Retry, I, S0, ErrNSs) ->
#q{options=Options,dns={Id,Buffer}}=Q =
if
is_function(Qdns, 0) -> Q0#q{dns=Qdns()};
true -> Q0
end,
- {S,Res}=Reply = query_ns(S0, Id, Buffer, IP, Port, Timer,
- Retry, I, Options, ?PACKETSZ),
+ {S,Res}=Reply =
+ query_ns(
+ S0, Id, Buffer, IP, Port, Timer, Retry, I, Options, ?PACKETSZ),
case Res of
- timeout -> {S,{error,timeout}};
+ timeout -> {S,{error,timeout}}; % Bailout timeout
{ok,_} -> Reply;
{error,{E,_}} when E =:= nxdomain; E =:= qfmterror -> Reply;
{error,E} when E =:= fmt; E =:= enetunreach; E =:= econnrefused ->
@@ -653,48 +677,66 @@ query_ns(S0, Id, Buffer, IP, Port, Timer, Retry, I,
PSz) ->
case UseVC orelse iolist_size(Buffer) > PSz of
true ->
- {S0,query_tcp(Tm, Id, Buffer, IP, Port, Timer, Verbose)};
+ TcpTimeout = inet:timeout(Tm*5, Timer),
+ {S0,query_tcp(TcpTimeout, Id, Buffer, IP, Port, Verbose)};
false ->
case udp_open(S0, IP) of
{ok,S} ->
- {S,case query_udp(S, Id, Buffer, IP, Port, Timer,
- Retry, I, Tm, Verbose) of
- {ok,#dns_rec{header=H}} when H#dns_header.tc ->
- query_tcp(Tm, Id, Buffer,
- IP, Port, Timer, Verbose);
- Reply -> Reply
- end};
+ Timeout =
+ inet:timeout( (Tm * (1 bsl I)) div Retry, Timer),
+ {S,
+ case query_udp(
+ S, Id, Buffer, IP, Port, Timeout, Verbose) of
+ {ok,#dns_rec{header=H}} when H#dns_header.tc ->
+ TcpTimeout = inet:timeout(Tm*5, Timer),
+ query_tcp(
+ TcpTimeout, Id, Buffer, IP, Port, Verbose);
+ Reply -> Reply
+ end};
Error ->
{S0,Error}
end
end.
-query_udp(S, Id, Buffer, IP, Port, Timer, Retry, I, Tm, Verbose) ->
- Timeout = inet:timeout( (Tm * (1 bsl I)) div Retry, Timer),
+query_udp(_S, _Id, _Buffer, _IP, _Port, 0, Verbose) ->
+ timeout;
+query_udp(S, Id, Buffer, IP, Port, Timeout, Verbose) ->
?verbose(Verbose, "Try UDP server : ~p:~p (timeout=~w)\n",
- [IP, Port, Timeout]),
- udp_connect(S, IP, Port),
- udp_send(S, IP, Port, Buffer),
- query_udp_recv(S, IP, Port, Id, Timeout, Verbose).
-
-query_udp_recv(S, IP, Port, Id, Timeout, Verbose) ->
- case udp_recv(S, IP, Port, Timeout) of
- {ok,Answer,T} ->
- case decode_answer(Answer, Id, Verbose) of
- {error, badid} ->
- query_udp_recv(S, IP, Port, Id, T, Verbose);
- Reply -> Reply
+ [IP,Port,Timeout]),
+ case
+ case udp_connect(S, IP, Port) of
+ ok ->
+ udp_send(S, IP, Port, Buffer);
+ E1 ->
+ E1 end of
+ ok ->
+ Decode =
+ fun ({RecIP,RecPort,Answer})
+ when RecIP =:= IP, RecPort =:= Port ->
+ case decode_answer(Answer, Id, Verbose) of
+ {error,badid} ->
+ false;
+ Reply ->
+ Reply
+ end;
+ ({_,_,_}) ->
+ false
+ end,
+ case udp_recv(S, IP, Port, Timeout, Decode) of
+ {ok,_}=Result ->
+ Result;
+ E2 ->
+ ?verbose(Verbose, "UDP server error: ~p\n", [E2]),
+ E2
end;
- {error, timeout} when Timeout =:= 0 ->
- ?verbose(Verbose, "UDP server timeout\n", []),
- timeout;
- Error ->
- ?verbose(Verbose, "UDP server error: ~p\n", [Error]),
- Error
+ E3 ->
+ ?verbose(Verbose, "UDP send failed: ~p\n", [E3]),
+ {error,econnrefused}
end.
-query_tcp(Tm, Id, Buffer, IP, Port, Timer, Verbose) ->
- Timeout = inet:timeout(Tm*5, Timer),
+query_tcp(0, _Id, _Buffer, _IP, _Port, Verbose) ->
+ timeout;
+query_tcp(Timeout, Id, Buffer, IP, Port, Verbose) ->
?verbose(Verbose, "Try TCP server : ~p:~p (timeout=~w)\n",
[IP, Port, Timeout]),
Family = case IP of
@@ -716,19 +758,10 @@ query_tcp(Tm, Id, Buffer, IP, Port, Timer, Verbose) ->
end;
Error ->
gen_tcp:close(S),
- case Error of
- {error, timeout} when Timeout =:= 0 ->
- ?verbose(Verbose, "TCP server recv timeout\n", []),
- timeout;
- _ ->
- ?verbose(Verbose, "TCP server recv error: ~p\n",
- [Error]),
- Error
- end
+ ?verbose(Verbose, "TCP server recv error: ~p\n",
+ [Error]),
+ Error
end;
- {error, timeout} when Timeout =:= 0 ->
- ?verbose(Verbose, "TCP server connect timeout\n", []),
- timeout;
Error ->
?verbose(Verbose, "TCP server error: ~p\n", [Error]),
Error
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index f5e2820bbe..5228d4fe01 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -322,24 +322,19 @@ init({Name, LongOrShortNames, TickT}) ->
process_flag(priority, max),
Ticktime = to_integer(TickT),
Ticker = spawn_link(net_kernel, ticker, [self(), Ticktime]),
- case auth:get_cookie(Node) of
- Cookie when is_atom(Cookie) ->
- {ok, #state{name = Name,
- node = Node,
- type = LongOrShortNames,
- tick = #tick{ticker = Ticker, time = Ticktime},
- connecttime = connecttime(),
- connections =
- ets:new(sys_dist,[named_table,
- protected,
- {keypos, 2}]),
- listen = Listeners,
- allowed = [],
- verbose = 0
- }};
- _ELSE ->
- {stop, {error,{bad_cookie, Node}}}
- end;
+ {ok, #state{name = Name,
+ node = Node,
+ type = LongOrShortNames,
+ tick = #tick{ticker = Ticker, time = Ticktime},
+ connecttime = connecttime(),
+ connections =
+ ets:new(sys_dist,[named_table,
+ protected,
+ {keypos, 2}]),
+ listen = Listeners,
+ allowed = [],
+ verbose = 0
+ }};
Error ->
{stop, Error}
end.
@@ -1254,7 +1249,7 @@ protocol_childspecs([H|T]) ->
epmd_module() ->
case init:get_argument(epmd_module) of
{ok,[[Module]]} ->
- Module;
+ list_to_atom(Module);
_ ->
erl_epmd
end.
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index 75a11a8afd..d1feae771d 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. 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
@@ -82,8 +82,9 @@ verify_executable(Name0, [Ext|Rest], OrigExtensions) ->
end;
_ ->
case file:read_file_info(Name1) of
- {ok, #file_info{mode=Mode}} when Mode band 8#111 =/= 0 ->
- %% XXX This test for execution permission is not full-proof
+ {ok, #file_info{type=regular,mode=Mode}}
+ when Mode band 8#111 =/= 0 ->
+ %% XXX This test for execution permission is not fool-proof
%% on Unix, since we test if any execution bit is set.
{ok, Name1};
_ ->
@@ -136,7 +137,7 @@ reverse_element([$"|T]) -> %"
reverse_element(List) ->
lists:reverse(List).
--spec extensions() -> [string()].
+-spec extensions() -> [string(),...].
%% Extensions in lower case
extensions() ->
case type() of
@@ -230,9 +231,13 @@ start_port_srv(Request) ->
catch
error:_ -> false
end,
- start_port_srv_loop(Request, StayAlive).
+ start_port_srv_handle(Request),
+ case StayAlive of
+ true -> start_port_srv_loop();
+ false -> exiting
+ end.
-start_port_srv_loop({Ref,Client}, StayAlive) ->
+start_port_srv_handle({Ref,Client}) ->
Reply = try open_port({spawn, ?SHELL},[stream]) of
Port when is_port(Port) ->
(catch port_connect(Port, Client)),
@@ -242,20 +247,18 @@ start_port_srv_loop({Ref,Client}, StayAlive) ->
error:Reason ->
{Reason,erlang:get_stacktrace()}
end,
- Client ! {Ref,Reply},
- case StayAlive of
- true -> start_port_srv_loop(get_open_port_request(), true);
- false -> exiting
- end.
+ Client ! {Ref,Reply}.
-get_open_port_request() ->
+
+start_port_srv_loop() ->
receive
{Ref, Client} = Request when is_reference(Ref),
is_pid(Client) ->
- Request;
+ start_port_srv_handle(Request);
_Junk ->
- get_open_port_request()
- end.
+ ignore
+ end,
+ start_port_srv_loop().
%%
%% unix_get_data(Port) -> Result
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-02 14:31:36 +0000