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-rw-r--r--lib/kernel/src/Makefile1
-rw-r--r--lib/kernel/src/application.erl16
-rw-r--r--lib/kernel/src/code.erl6
-rw-r--r--lib/kernel/src/code_server.erl9
-rw-r--r--lib/kernel/src/error_handler.erl53
-rw-r--r--lib/kernel/src/file.erl14
-rw-r--r--lib/kernel/src/file_io_server.erl4
-rw-r--r--lib/kernel/src/kernel.app.src1
-rw-r--r--lib/kernel/src/packages.erl158
-rw-r--r--lib/kernel/src/ram_file.erl7
10 files changed, 64 insertions, 205 deletions
diff --git a/lib/kernel/src/Makefile b/lib/kernel/src/Makefile
index 46e7cc4ed8..eaced4861a 100644
--- a/lib/kernel/src/Makefile
+++ b/lib/kernel/src/Makefile
@@ -107,7 +107,6 @@ MODULES = \
net_adm \
net_kernel \
os \
- packages \
pg2 \
ram_file \
rpc \
diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl
index 9b7c4aa7b8..4e65883be7 100644
--- a/lib/kernel/src/application.erl
+++ b/lib/kernel/src/application.erl
@@ -23,7 +23,7 @@
which_applications/0, which_applications/1,
loaded_applications/0, permit/2]).
-export([set_env/3, set_env/4, unset_env/2, unset_env/3]).
--export([get_env/1, get_env/2, get_all_env/0, get_all_env/1]).
+-export([get_env/1, get_env/2, get_env/3, get_all_env/0, get_all_env/1]).
-export([get_key/1, get_key/2, get_all_key/0, get_all_key/1]).
-export([get_application/0, get_application/1, info/0]).
-export([start_type/0]).
@@ -264,6 +264,20 @@ get_env(Key) ->
get_env(Application, Key) ->
application_controller:get_env(Application, Key).
+-spec get_env(Application, Par, Def) -> Val when
+ Application :: atom(),
+ Par :: atom(),
+ Def :: term(),
+ Val :: term().
+
+get_env(Application, Key, Def) ->
+ case get_env(Application, Key) of
+ {ok, Val} ->
+ Val;
+ undefined ->
+ Def
+ end.
+
-spec get_all_env() -> Env when
Env :: [{Par :: atom(), Val :: term()}].
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index c808ac7cb7..361f2bdf8a 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.erl
@@ -359,7 +359,6 @@ load_code_server_prerequisites() ->
hipe_unified_loader,
lists,
os,
- packages,
unicode],
[M = M:module_info(module) || M <- Needed],
ok.
@@ -413,7 +412,7 @@ which(Module) when is_atom(Module) ->
end.
which2(Module) ->
- Base = to_path(Module),
+ Base = atom_to_list(Module),
File = filename:basename(Base) ++ objfile_extension(),
Path = get_path(),
which(File, filename:dirname(Base), Path).
@@ -547,9 +546,6 @@ has_ext(Ext, Extlen, File) ->
_ -> false
end.
-to_path(X) ->
- filename:join(packages:split(X)).
-
-spec load_native_code_for_all_loaded() -> ok.
load_native_code_for_all_loaded() ->
Architecture = erlang:system_info(hipe_architecture),
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 00ad923466..b2d2c19f78 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -1229,7 +1229,7 @@ load_abs(File, Mod0, Caller, St) ->
end.
try_load_module(Mod, Dir, Caller, St) ->
- File = filename:append(Dir, to_path(Mod) ++
+ File = filename:append(Dir, to_list(Mod) ++
objfile_extension()),
case erl_prim_loader:get_file(File) of
error ->
@@ -1347,7 +1347,7 @@ load_file_1(Mod, Caller, #state{cache=Cache}=St0) ->
end.
mod_to_bin([Dir|Tail], Mod) ->
- File = filename:append(Dir, to_path(Mod) ++ objfile_extension()),
+ File = filename:append(Dir, to_list(Mod) ++ objfile_extension()),
case erl_prim_loader:get_file(File) of
error ->
mod_to_bin(Tail, Mod);
@@ -1356,7 +1356,7 @@ mod_to_bin([Dir|Tail], Mod) ->
end;
mod_to_bin([], Mod) ->
%% At last, try also erl_prim_loader's own method
- File = to_path(Mod) ++ objfile_extension(),
+ File = to_list(Mod) ++ objfile_extension(),
case erl_prim_loader:get_file(File) of
error ->
error; % No more alternatives !
@@ -1570,6 +1570,3 @@ to_list(X) when is_atom(X) -> atom_to_list(X).
to_atom(X) when is_atom(X) -> X;
to_atom(X) when is_list(X) -> list_to_atom(X).
-
-to_path(X) ->
- filename:join(packages:split(X)).
diff --git a/lib/kernel/src/error_handler.erl b/lib/kernel/src/error_handler.erl
index f8bc5f499c..a3aa1f1dcf 100644
--- a/lib/kernel/src/error_handler.erl
+++ b/lib/kernel/src/error_handler.erl
@@ -23,10 +23,12 @@
%% "error_handler: add no_native compiler directive"
-compile(no_native).
-%% A simple error handler.
+%% Callbacks called from the run-time system.
+-export([undefined_function/3,undefined_lambda/3,breakpoint/3]).
--export([undefined_function/3, undefined_lambda/3, stub_function/3,
- breakpoint/3]).
+%% Exported utility functions.
+-export([raise_undef_exception/3]).
+-export([stub_function/3]).
-spec undefined_function(Module, Function, Args) ->
any() when
@@ -41,12 +43,7 @@ undefined_function(Module, Func, Args) ->
true ->
apply(Module, Func, Args);
false ->
- case check_inheritance(Module, Args) of
- {value, Base, Args1} ->
- apply(Base, Func, Args1);
- none ->
- crash(Module, Func, Args)
- end
+ call_undefined_function_handler(Module, Func, Args)
end;
{module, _} ->
crash(Module, Func, Args);
@@ -77,6 +74,14 @@ undefined_lambda(Module, Fun, Args) ->
breakpoint(Module, Func, Args) ->
(int()):eval(Module, Func, Args).
+-spec raise_undef_exception(Module, Function, Args) -> no_return() when
+ Module :: atom(),
+ Function :: atom(),
+ Args :: list().
+
+raise_undef_exception(Module, Func, Args) ->
+ crash({Module,Func,Args,[]}).
+
%% Used to make the call to the 'int' module a "weak" one, to avoid
%% building strong components in xref or dialyzer.
@@ -130,27 +135,11 @@ ensure_loaded(Module) ->
stub_function(Mod, Func, Args) ->
exit({undef,[{Mod,Func,Args,[]}]}).
-check_inheritance(Module, Args) ->
- Attrs = erlang:get_module_info(Module, attributes),
- case lists:keyfind(extends, 1, Attrs) of
- {extends, [Base]} when is_atom(Base), Base =/= Module ->
- %% This is just a heuristic for detecting abstract modules
- %% with inheritance so they can be handled; it would be
- %% much better to do it in the emulator runtime
- case lists:keyfind(abstract, 1, Attrs) of
- {abstract, [true]} ->
- case lists:reverse(Args) of
- [M|Rs] when tuple_size(M) > 1,
- element(1,M) =:= Module,
- tuple_size(element(2,M)) > 0,
- is_atom(element(1,element(2,M))) ->
- {value, Base, lists:reverse(Rs, [element(2,M)])};
- _ ->
- {value, Base, Args}
- end;
- _ ->
- {value, Base, Args}
- end;
- _ ->
- none
+call_undefined_function_handler(Module, Func, Args) ->
+ Handler = '$handle_undefined_function',
+ case erlang:function_exported(Module, Handler, 2) of
+ false ->
+ crash(Module, Func, Args);
+ true ->
+ Module:Handler(Func, Args)
end.
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index de3eaad5a1..16f2dde464 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -38,7 +38,7 @@
%% Specialized
-export([ipread_s32bu_p32bu/3]).
%% Generic file contents.
--export([open/2, close/1, advise/4,
+-export([open/2, close/1, advise/4, allocate/3,
read/2, write/2,
pread/2, pread/3, pwrite/2, pwrite/3,
read_line/1,
@@ -490,6 +490,18 @@ advise(#file_descriptor{module = Module} = Handle, Offset, Length, Advise) ->
advise(_, _, _, _) ->
{error, badarg}.
+-spec allocate(File, Offset, Length) ->
+ 'ok' | {'error', posix()} when
+ File :: io_device(),
+ Offset :: non_neg_integer(),
+ Length :: non_neg_integer().
+
+allocate(File, Offset, Length) when is_pid(File) ->
+ R = file_request(File, {allocate, Offset, Length}),
+ wait_file_reply(File, R);
+allocate(#file_descriptor{module = Module} = Handle, Offset, Length) ->
+ Module:allocate(Handle, Offset, Length).
+
-spec read(IoDevice, Number) -> {ok, Data} | eof | {error, Reason} when
IoDevice :: io_device() | atom(),
Number :: non_neg_integer(),
diff --git a/lib/kernel/src/file_io_server.erl b/lib/kernel/src/file_io_server.erl
index acaffe1e41..fad2ed7fb3 100644
--- a/lib/kernel/src/file_io_server.erl
+++ b/lib/kernel/src/file_io_server.erl
@@ -211,6 +211,10 @@ file_request({advise,Offset,Length,Advise},
Reply ->
{reply,Reply,State}
end;
+file_request({allocate, Offset, Length},
+ #state{handle = Handle} = State) ->
+ Reply = ?PRIM_FILE:allocate(Handle, Offset, Length),
+ {reply, Reply, State};
file_request({pread,At,Sz},
#state{handle=Handle,buf=Buf,read_mode=ReadMode}=State) ->
case position(Handle, At, Buf) of
diff --git a/lib/kernel/src/kernel.app.src b/lib/kernel/src/kernel.app.src
index 17ab84c177..9a20baf8d0 100644
--- a/lib/kernel/src/kernel.app.src
+++ b/lib/kernel/src/kernel.app.src
@@ -28,7 +28,6 @@
application_starter,
auth,
code,
- packages,
code_server,
dist_util,
erl_boot_server,
diff --git a/lib/kernel/src/packages.erl b/lib/kernel/src/packages.erl
deleted file mode 100644
index e0b1f36b85..0000000000
--- a/lib/kernel/src/packages.erl
+++ /dev/null
@@ -1,158 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2002-2009. 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(packages).
-
--export([to_string/1, concat/1, concat/2, is_valid/1, is_segmented/1,
- split/1, last/1, first/1, strip_last/1, find_modules/1,
- find_modules/2]).
-
-%% A package name (or a package-qualified module name) may be an atom or
-%% a string (list of nonnegative integers) - not a deep list, and not a
-%% list containing atoms. A name may be empty, but may not contain two
-%% consecutive period (`.') characters or end with a period character.
-
--type package_name() :: atom() | string().
-
--spec to_string(package_name()) -> string().
-to_string(Name) when is_atom(Name) ->
- atom_to_list(Name);
-to_string(Name) ->
- Name.
-
-%% `concat' does not insert a leading period if the first segment is
-%% empty. However, the result may contain leading, consecutive or
-%% dangling period characters, if any of the segments after the first
-%% are empty. Use 'is_valid' to check the result if necessary.
-
--spec concat(package_name(), package_name()) -> string().
-concat(A, B) ->
- concat([A, B]).
-
--spec concat([package_name()]) -> string().
-concat([H | T]) when is_atom(H) ->
- concat([atom_to_list(H) | T]);
-concat(["" | T]) ->
- concat_1(T);
-concat(L) ->
- concat_1(L).
-
-concat_1([H | T]) when is_atom(H) ->
- concat_1([atom_to_list(H) | T]);
-concat_1([H]) ->
- H;
-concat_1([H | T]) ->
- H ++ "." ++ concat_1(T);
-concat_1([]) ->
- "";
-concat_1(Name) ->
- erlang:error({badarg, Name}).
-
--spec is_valid(package_name()) -> boolean().
-is_valid(Name) when is_atom(Name) ->
- is_valid_1(atom_to_list(Name));
-is_valid([$. | _]) ->
- false;
-is_valid(Name) ->
- is_valid_1(Name).
-
-is_valid_1([$.]) -> false;
-is_valid_1([$., $. | _]) -> false;
-is_valid_1([H | T]) when is_integer(H), H >= 0 ->
- is_valid_1(T);
-is_valid_1([]) -> true;
-is_valid_1(_) -> false.
-
--spec split(package_name()) -> [string()].
-split(Name) when is_atom(Name) ->
- split_1(atom_to_list(Name), []);
-split(Name) ->
- split_1(Name, []).
-
-split_1([$. | T], Cs) ->
- [lists:reverse(Cs) | split_1(T, [])];
-split_1([H | T], Cs) when is_integer(H), H >= 0 ->
- split_1(T, [H | Cs]);
-split_1([], Cs) ->
- [lists:reverse(Cs)];
-split_1(_, _) ->
- erlang:error(badarg).
-
-%% This is equivalent to testing if `split(Name)' yields a list of
-%% length larger than one (i.e., if the name can be split into two or
-%% more segments), but is cheaper.
-
--spec is_segmented(package_name()) -> boolean().
-is_segmented(Name) when is_atom(Name) ->
- is_segmented_1(atom_to_list(Name));
-is_segmented(Name) ->
- is_segmented_1(Name).
-
-is_segmented_1([$. | _]) -> true;
-is_segmented_1([H | T]) when is_integer(H), H >= 0 ->
- is_segmented_1(T);
-is_segmented_1([]) -> false;
-is_segmented_1(_) ->
- erlang:error(badarg).
-
--spec last(package_name()) -> string().
-last(Name) ->
- last_1(split(Name)).
-
-last_1([H]) -> H;
-last_1([_ | T]) -> last_1(T).
-
--spec first(package_name()) -> [string()].
-first(Name) ->
- first_1(split(Name)).
-
-first_1([H | T]) when T =/= [] -> [H | first_1(T)];
-first_1(_) -> [].
-
--spec strip_last(package_name()) -> string().
-strip_last(Name) ->
- concat(first(Name)).
-
-%% This finds all modules available for a given package, using the
-%% current code server search path. (There is no guarantee that the
-%% modules are loadable; only that the object files exist.)
-
--spec find_modules(package_name()) -> [string()].
-find_modules(P) ->
- find_modules(P, code:get_path()).
-
--spec find_modules(package_name(), [string()]) -> [string()].
-find_modules(P, Paths) ->
- P1 = filename:join(packages:split(P)),
- find_modules(P1, Paths, code:objfile_extension(), sets:new()).
-
-find_modules(P, [Path | Paths], Ext, S0) ->
- case file:list_dir(filename:join(Path, P)) of
- {ok, Fs} ->
- Fs1 = [F || F <- Fs, filename:extension(F) =:= Ext],
- S1 = lists:foldl(fun (F, S) ->
- F1 = filename:rootname(F, Ext),
- sets:add_element(F1, S)
- end,
- S0, Fs1),
- find_modules(P, Paths, Ext, S1);
- _ ->
- find_modules(P, Paths, Ext, S0)
- end;
-find_modules(_P, [], _Ext, S) ->
- sets:to_list(S).
diff --git a/lib/kernel/src/ram_file.erl b/lib/kernel/src/ram_file.erl
index 48ea871433..ca881ff8a4 100644
--- a/lib/kernel/src/ram_file.erl
+++ b/lib/kernel/src/ram_file.erl
@@ -29,6 +29,7 @@
%% Specialized file operations
-export([get_size/1, get_file/1, set_file/2, get_file_close/1]).
-export([compress/1, uncompress/1, uuencode/1, uudecode/1, advise/4]).
+-export([allocate/3]).
-export([open_mode/1]). %% used by ftp-file
@@ -72,6 +73,7 @@
-define(RAM_FILE_UUDECODE, 36).
-define(RAM_FILE_SIZE, 37).
-define(RAM_FILE_ADVISE, 38).
+-define(RAM_FILE_ALLOCATE, 39).
%% Open modes for RAM_FILE_OPEN
-define(RAM_FILE_MODE_READ, 1).
@@ -383,6 +385,11 @@ advise(#file_descriptor{module = ?MODULE, data = Port}, Offset,
advise(#file_descriptor{}, _Offset, _Length, _Advise) ->
{error, enotsup}.
+allocate(#file_descriptor{module = ?MODULE, data = Port}, Offset, Length) ->
+ call_port(Port, <<?RAM_FILE_ALLOCATE, Offset:64/signed, Length:64/signed>>);
+allocate(#file_descriptor{}, _Offset, _Length) ->
+ {error, enotsup}.
+
%%%-----------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 08:47:57 +0000