%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2010. 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.
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%% %CopyrightEnd%
%%
-module(code_SUITE).
-include("test_server.hrl").
-export([all/1]).
-export([set_path/1, get_path/1, add_path/1, add_paths/1, del_path/1,
replace_path/1, load_file/1, load_abs/1, ensure_loaded/1,
delete/1, purge/1, soft_purge/1, is_loaded/1, all_loaded/1,
load_binary/1, dir_req/1, object_code/1, set_path_file/1,
sticky_dir/1, pa_pz_option/1, add_del_path/1,
dir_disappeared/1, ext_mod_dep/1, clash/1,
load_cached/1, start_node_with_cache/1, add_and_rehash/1,
where_is_file_cached/1, where_is_file_no_cache/1,
purge_stacktrace/1, mult_lib_roots/1, bad_erl_libs/1,
code_archive/1, code_archive2/1, on_load/1,
on_load_embedded/1, on_load_errors/1]).
-export([init_per_testcase/2, fin_per_testcase/2,
init_per_suite/1, end_per_suite/1,
sticky_compiler/1]).
%% error_logger
-export([init/1,
handle_event/2, handle_call/2, handle_info/2,
terminate/2]).
all(suite) ->
[set_path, get_path, add_path, add_paths, del_path,
replace_path, load_file, load_abs, ensure_loaded,
delete, purge, soft_purge, is_loaded, all_loaded,
load_binary, dir_req, object_code, set_path_file,
pa_pz_option, add_del_path,
dir_disappeared, ext_mod_dep, clash,
load_cached, start_node_with_cache, add_and_rehash,
where_is_file_no_cache, where_is_file_cached,
purge_stacktrace, mult_lib_roots, bad_erl_libs,
code_archive, code_archive2, on_load, on_load_embedded,
on_load_errors].
init_per_suite(Config) ->
%% The compiler will no longer create a Beam file if
%% the module name does not match the filename, so
%% we must compile to a binary and write the Beam file
%% ourselves.
?line Dir = filename:dirname(code:which(?MODULE)),
?line File = filename:join(Dir, "code_a_test"),
?line {ok,code_b_test,Code} = compile:file(File, [binary]),
?line ok = file:write_file(File++".beam", Code),
Config.
end_per_suite(Config) ->
Config.
init_per_testcase(_Func, Config) ->
Dog=?t:timetrap(?t:minutes(5)),
P=code:get_path(),
P=code:get_path(),
[{watchdog, Dog}, {code_path, P}|Config].
fin_per_testcase(_Func, Config) ->
Dog=?config(watchdog, Config),
?t:timetrap_cancel(Dog),
P=?config(code_path, Config),
true=code:set_path(P),
P=code:get_path(),
ok.
set_path(suite) -> [];
set_path(doc) -> [];
set_path(Config) when is_list(Config) ->
P = code:get_path(),
NonExDir = filename:join(?config(priv_dir, Config), ?t:temp_name("hej")),
?line {'EXIT',_} = (catch code:set_path({a})),
?line {error, bad_directory} = (catch code:set_path([{a}])),
?line {error, bad_directory} = code:set_path(NonExDir),
?line P = code:get_path(), % still the same path.
?line true = code:set_path(P), % set the same path again.
?line P = code:get_path(), % still the same path.
LibDir = code:lib_dir(),
?line true = code:set_path([LibDir | P]),
?line [LibDir | P] = code:get_path(),
?line true = code:set_path([LibDir]),
?line [LibDir] = code:get_path(),
ok.
get_path(suite) -> [];
get_path(doc) -> [];
get_path(Config) when is_list(Config) ->
?line P = code:get_path(),
% test that all directories are strings (lists).
?line [] = lists:filter(fun(Dir) when is_list(Dir) ->
false;
(_) ->
true
end,
P),
ok.
add_path(suite) -> [];
add_path(doc) -> [];
add_path(Config) when is_list(Config) ->
P = code:get_path(),
?line {'EXIT',_} = (catch code:add_path({})),
?line {'EXIT',_} = (catch code:add_patha({})),
?line {'EXIT',_} = (catch code:add_pathz({})),
?line {error, bad_directory} = code:add_path("xyz"),
?line {error, bad_directory} = code:add_patha("xyz"),
?line {error, bad_directory} = code:add_pathz("xyz"),
LibDir = code:lib_dir(),
?line true = code:add_path(LibDir),
?line LibDir = lists:last(code:get_path()),
code:set_path(P),
?line true = code:add_pathz(LibDir),
?line LibDir = lists:last(code:get_path()),
code:set_path(P),
?line true = code:add_patha(LibDir),
?line [LibDir|_] = code:get_path(),
code:set_path(P),
ok.
add_paths(suite) -> [];
add_paths(doc) -> [];
add_paths(Config) when is_list(Config) ->
P = code:get_path(),
?line ok = code:add_paths([{}]),
?line ok = code:add_pathsa([{}]),
?line ok = code:add_pathsz([{}]),
?line ok = code:add_paths(["xyz"]),
?line ok = code:add_pathsa(["xyz"]),
?line ok = code:add_pathsz(["xyz"]),
P = code:get_path(), % check that no directory is added.
LibDir = code:lib_dir(),
?line ok = code:add_paths([LibDir]),
?line LibDir = lists:last(code:get_path()),
code:set_path(P),
?line ok = code:add_pathsz([LibDir]),
?line LibDir = lists:last(code:get_path()),
code:set_path(P),
?line ok = code:add_pathsa([LibDir]),
?line [LibDir|P] = code:get_path(),
code:set_path(P),
RootDir = code:root_dir(),
Res = P ++ [LibDir, RootDir],
?line ok = code:add_paths([LibDir, RootDir]),
?line Res = code:get_path(),
code:set_path(P),
?line ok = code:add_pathsz([LibDir, RootDir]),
?line Res = code:get_path(),
code:set_path(P),
?line ok = code:add_pathsa([LibDir, RootDir]),
?line [RootDir, LibDir|P] = code:get_path(),
code:set_path(P),
?line ok = code:add_paths([LibDir, "xyz"]),
Res1 = P ++ [LibDir],
?line Res1 = code:get_path(),
code:set_path(P),
?line ok = code:add_pathsz([LibDir, "xyz"]),
?line Res1 = code:get_path(),
code:set_path(P),
?line ok = code:add_pathsa([LibDir, "xyz"]),
?line [LibDir|P] = code:get_path(),
code:set_path(P),
ok.
del_path(suite) -> [];
del_path(doc) -> [];
del_path(Config) when is_list(Config) ->
?line P = code:get_path(),
test_server:format("Initial code:get_path()=~p~n",[P]),
?line {'EXIT',_} = (catch code:del_path(3)),
?line false = code:del_path(my_dummy_name),
?line false = code:del_path("/kdlk/my_dummy_dir"),
Dir = filename:join([code:lib_dir(kernel),"ebin"]),
test_server:format("kernel dir: ~p~n",[Dir]),
?line true = code:del_path(kernel),
NewP = code:get_path(),
test_server:format("Path after removing 'kernel':~p~n",[NewP]),
ReferenceP = lists:delete(Dir,P),
test_server:format("Reference path:~p~n",[ReferenceP]),
?line NewP = ReferenceP, % check that dir is deleted
code:set_path(P),
?line true = code:del_path(Dir),
NewP1 = code:get_path(),
?line NewP1 = lists:delete(Dir,P), % check that dir is deleted
code:set_path(P),
ok.
replace_path(suite) -> [];
replace_path(doc) -> [];
replace_path(Config) when is_list(Config) ->
?line PrivDir = ?config(priv_dir, Config),
?line P = code:get_path(),
?line {'EXIT',_} = (catch code:replace_path(3,"")),
?line {error, bad_name} = code:replace_path(dummy_name,""),
?line {error, bad_name} = code:replace_path(kernel,
"/kdlk/my_dummy_dir"),
?line {error, bad_directory} = code:replace_path(kernel,
"/kdlk/kernel-1.2"),
?line P = code:get_path(), % Check that path is not changed.
?line ok = file:set_cwd(PrivDir),
%% Replace an existing application.
file:make_dir("./kernel-2.11"),
{ok, Cwd} = file:get_cwd(),
NewDir = Cwd ++ "/kernel-2.11",
?line true = code:replace_path(kernel, NewDir),
?line NewDir = code:lib_dir(kernel),
?line true = code:set_path(P), %Reset path
?line ok = file:del_dir("./kernel-2.11"),
%% Add a completly new application.
NewAppName = "blurf_blarfer",
?line NewAppDir = filename:join(Cwd, NewAppName ++ "-6.33.1"),
?line ok = file:make_dir(NewAppDir),
?line true = code:replace_path(NewAppName, NewAppDir),
?line NewAppDir = code:lib_dir(NewAppName),
?line NewAppDir = lists:last(code:get_path()),
?line true = code:set_path(P), %Reset path
?line ok = file:del_dir(NewAppDir),
ok.
dir_disappeared(suite) -> [];
dir_disappeared(doc) -> ["OTP-3977"];
dir_disappeared(Config) when is_list(Config) ->
?line PrivDir = ?config(priv_dir, Config),
?line Dir = filename:join(PrivDir, "temp"),
?line ok = file:make_dir(Dir),
?line true = code:add_path(Dir),
?line ok = file:del_dir(Dir),
?line non_existing = code:which(bubbelskrammel),
ok.
load_file(suite) -> [];
load_file(doc) -> [];
load_file(Config) when is_list(Config) ->
?line {error, nofile} = code:load_file(duuuumy_mod),
?line {error, badfile} = code:load_file(code_a_test),
?line {'EXIT', _} = (catch code:load_file(123)),
?line {module, code_b_test} = code:load_file(code_b_test),
TestDir = test_dir(),
code:stick_dir(TestDir),
?line {error, sticky_directory} = code:load_file(code_b_test),
code:unstick_dir(TestDir),
ok.
test_dir() ->
filename:dirname(code:which(?MODULE)).
load_abs(suite) -> [];
load_abs(doc) -> [];
load_abs(Config) when is_list(Config) ->
TestDir = test_dir(),
?line {error, nofile} = code:load_abs(TestDir ++ "/duuuumy_mod"),
?line {error, badfile} = code:load_abs(TestDir ++ "/code_a_test"),
?line {'EXIT', _} = (catch code:load_abs({})),
?line {module, code_b_test} = code:load_abs(TestDir ++ "/code_b_test"),
code:stick_dir(TestDir),
?line {error, sticky_directory} = code:load_abs(TestDir ++ "/code_b_test"),
code:unstick_dir(TestDir),
ok.
ensure_loaded(suite) -> [];
ensure_loaded(doc) -> [];
ensure_loaded(Config) when is_list(Config) ->
?line {module, lists} = code:ensure_loaded(lists),
case init:get_argument(mode) of
{ok, [["embedded"]]} ->
?line {error, embedded} = code:ensure_loaded(code_b_test),
?line {error, badarg} = code:ensure_loaded(34),
ok;
_ ->
?line {error, nofile} = code:ensure_loaded(duuuumy_mod),
?line {error, badfile} = code:ensure_loaded(code_a_test),
?line {'EXIT', _} = (catch code:ensure_loaded(34)),
?line {module, code_b_test} = code:ensure_loaded(code_b_test),
?line {module, code_b_test} = code:ensure_loaded(code_b_test),
ok
end.
delete(suite) -> [];
delete(doc) -> [];
delete(Config) when is_list(Config) ->
OldFlag = process_flag(trap_exit, true),
code:purge(code_b_test),
?line Pid = code_b_test:do_spawn(),
?line true = code:delete(code_b_test),
?line {'EXIT',_} = (catch code:delete(122)),
?line false = code_b_test:check_exit(Pid),
?line false = code:delete(code_b_test),
?line false = code_b_test:check_exit(Pid),
exit(Pid,kill),
?line true = code_b_test:check_exit(Pid),
?line false = code:delete(code_b_test),
code:purge(code_b_test),
process_flag(trap_exit, OldFlag),
ok.
purge(suite) -> [];
purge(doc) -> [];
purge(Config) when is_list(Config) ->
OldFlag = process_flag(trap_exit, true),
code:purge(code_b_test),
?line {'EXIT',_} = (catch code:purge({})),
?line false = code:purge(code_b_test),
?line Pid = code_b_test:do_spawn(),
?line true = code:delete(code_b_test),
?line false = code_b_test:check_exit(Pid),
?line true = code:purge(code_b_test),
?line true = code_b_test:check_exit(Pid),
process_flag(trap_exit, OldFlag),
ok.
soft_purge(suite) -> [];
soft_purge(doc) -> [];
soft_purge(Config) when is_list(Config) ->
OldFlag = process_flag(trap_exit, true),
code:purge(code_b_test),
?line {'EXIT',_} = (catch code:soft_purge(23)),
?line true = code:soft_purge(code_b_test),
?line Pid = code_b_test:do_spawn(),
?line true = code:delete(code_b_test),
?line false = code_b_test:check_exit(Pid),
?line false = code:soft_purge(code_b_test),
?line false = code_b_test:check_exit(Pid),
exit(Pid,kill),
?line true = code_b_test:check_exit(Pid),
?line true = code:soft_purge(code_b_test),
process_flag(trap_exit, OldFlag),
ok.
is_loaded(suite) -> [];
is_loaded(doc) -> [];
is_loaded(Config) when is_list(Config) ->
code:purge(code_b_test),
code:delete(code_b_test),
?line false = code:is_loaded(duuuuuumy_mod),
?line {'EXIT',_} = (catch code:is_loaded(23)),
?line {file, preloaded} = code:is_loaded(init),
TestDir = test_dir(),
?line {module, code_b_test} = code:load_abs(TestDir ++ "/code_b_test"),
?line {file, _Loaded} = code:is_loaded(code_b_test),
code:purge(code_b_test),
code:delete(code_b_test),
ok.
all_loaded(suite) -> [];
all_loaded(doc) -> [];
all_loaded(Config) when is_list(Config) ->
case ?t:is_cover() of
true -> {skip,"Cover is running"};
false -> all_loaded_1()
end.
all_loaded_1() ->
?line Preloaded = [{M,preloaded} || M <- lists:sort(erlang:pre_loaded())],
?line Loaded0 = lists:sort(code:all_loaded()),
?line all_unique(Loaded0),
?line Loaded1 = lists:keysort(2, Loaded0),
?line Loaded2 = match_and_remove(Preloaded, Loaded1),
ObjExt = code:objfile_extension(),
?line [] = lists:filter(fun({Mod,AbsName}) when is_atom(Mod), is_list(AbsName) ->
Mod =:= filename:basename(AbsName, ObjExt);
(_) -> true
end,
Loaded2),
ok.
match_and_remove([], List) -> List;
match_and_remove([X|T1], [X|T2]) -> match_and_remove(T1, T2).
all_unique([]) -> ok;
all_unique([_]) -> ok;
all_unique([{X,_}|[{Y,_}|_]=T]) when X < Y -> all_unique(T).
load_binary(suite) -> [];
load_binary(doc) -> [];
load_binary(Config) when is_list(Config) ->
TestDir = test_dir(),
File = TestDir ++ "/code_b_test" ++ code:objfile_extension(),
?line {ok,Bin} = file:read_file(File),
?line {'EXIT',_} = (catch code:load_binary(12, File, Bin)),
?line {'EXIT',_} = (catch code:load_binary(code_b_test, 12, Bin)),
?line {'EXIT',_} = (catch code:load_binary(code_b_test, File, 12)),
?line {module, code_b_test} = code:load_binary(code_b_test, File, Bin),
code:stick_dir(TestDir),
?line {error, sticky_directory} = code:load_binary(code_b_test, File, Bin),
code:unstick_dir(TestDir),
code:purge(code_b_test),
code:delete(code_b_test),
ok.
dir_req(suite) -> [];
dir_req(doc) -> [];
dir_req(Config) when is_list(Config) ->
?line {ok,[[Root0]]} = init:get_argument(root),
?line Root = filename:join([Root0]), % Normalised form.
?line Root = code:root_dir(),
LibDir = Root ++ "/lib",
?line LibDir = code:lib_dir(),
?line code:compiler_dir(),
?line {error, bad_name} = code:lib_dir(duuumy),
?line KernLib = code:lib_dir(kernel),
?line Priv = KernLib ++ "/priv",
?line Priv = code:priv_dir(kernel),
?line {error, bad_name} = code:priv_dir(duuumy),
ok.
object_code(suite) -> [];
object_code(doc) -> [];
object_code(Config) when is_list(Config) ->
TestDir = test_dir(),
P = code:get_path(),
P = code:get_path(),
code:add_path(TestDir),
?line {module, code_b_test} = code:load_abs(TestDir ++ "/code_b_test"),
LoadedFile = filename:absname(TestDir ++ "/code_b_test" ++
code:objfile_extension()),
?line case code:get_object_code(code_b_test) of
{code_b_test,Bin,LoadedFile} when is_binary(Bin) ->
ok
end,
code:purge(code_b_test),
code:delete(code_b_test),
?line error = code:get_object_code(dddddddduuuuuuumy),
?line {'EXIT',_} = (catch code:get_object_code(23)),
?line code:set_path(P),
?line P=code:get_path(),
ok.
set_path_file(suite) -> [];
set_path_file(doc) -> ["Test that set_path does not accept ",
"files as pathnames (known previous bug)"];
set_path_file(Config) when is_list(Config) ->
File=filename:join(?config(priv_dir, Config), "testfil"),
?line ok=file:write_file(File, list_to_binary("lite data")),
?line {error, bad_directory}=code:set_path([File]).
sticky_dir(suite) -> [];
sticky_dir(doc) -> ["Test that a module with the same name as a module in ",
"a sticky directory cannot be loaded."];
sticky_dir(Config) when is_list(Config) ->
MyDir=filename:dirname(code:which(?MODULE)),
?line {ok, Node}=?t:start_node(sticky_dir, slave,[{args, "-pa "++MyDir}]),
File=filename:join([?config(data_dir, Config), "calendar"]),
?line Ret=rpc:call(Node, ?MODULE, sticky_compiler, [File]),
case Ret of
fail ->
?t:fail("c:c allowed a sticky module to be compiled and loaded.");
ok ->
ok;
Other ->
test_server:format("Other: ~p",[Other])
end,
?t:stop_node(Node).
sticky_compiler(File) ->
Compiled=File++code:objfile_extension(),
Dir=filename:dirname(File),
code:add_patha(Dir),
file:delete(Compiled),
case c:c(File, [{outdir, Dir}]) of
{ok, Module} ->
case catch Module:test(apa) of
{error, _} ->
fail;
{'EXIT', _} ->
ok
end;
Other ->
test_server:format("c:c(~p) returned: ~p",[File, Other]),
ok
end.
pa_pz_option(suite) -> [];
pa_pz_option(doc) -> ["Test that the -pa and -pz options work as expected"];
pa_pz_option(Config) when is_list(Config) ->
case os:type() of
vxworks ->
{comment, "Slave nodes not supported on VxWorks"};
_ ->
DDir = ?config(data_dir,Config),
PaDir = filename:join(DDir,"pa"),
PzDir = filename:join(DDir,"pz"),
?line {ok, Node}=?t:start_node(pa_pz1, slave,
[{args,
"-pa " ++ PaDir
++ " -pz " ++ PzDir}]),
?line Ret=rpc:call(Node, code, get_path, []),
?line [PaDir|Paths] = Ret,
?line [PzDir|_] = lists:reverse(Paths),
?t:stop_node(Node),
?line {ok, Node2}=?t:start_node(pa_pz2, slave,
[{args,
"-mode embedded " ++ "-pa "
++ PaDir ++ " -pz " ++ PzDir}]),
?line Ret2=rpc:call(Node2, code, get_path, []),
?line [PaDir|Paths2] = Ret2,
?line [PzDir|_] = lists:reverse(Paths2),
?t:stop_node(Node2)
end.
add_del_path(suite) ->
[];
add_del_path(doc) -> ["add_path, del_path should not cause priv_dir(App) to fail"];
add_del_path(Config) when is_list(Config) ->
DDir = ?config(data_dir,Config),
Dir1 = filename:join(DDir,"dummy_app-1.0/ebin"),
Dir2 = filename:join(DDir,"dummy_app-2.0/ebin"),
code:add_patha(Dir1),
?line PrivDir1 = filename:join(DDir,"dummy_app-1.0/priv"),
?line PrivDir1 = code:priv_dir(dummy_app),
?line code:add_path(Dir2), % put last in path
?line PrivDir1 = code:priv_dir(dummy_app),
?line code:del_path(Dir2),
?line PrivDir1 = code:priv_dir(dummy_app),
ok.
clash(Config) when is_list(Config) ->
DDir = ?config(data_dir,Config)++"clash/",
P = code:get_path(),
%% test non-clashing entries
%% remove "." to prevent clash with test-server path
?line true = code:del_path("."),
?line true = code:add_path(DDir++"foobar-0.1/ebin"),
?line true = code:add_path(DDir++"zork-0.8/ebin"),
?line test_server:capture_start(),
?line code:clash(),
?line test_server:capture_stop(),
?line OKMsg = test_server:capture_get(),
?line lists:prefix("** Found 0 name clashes in code paths", OKMsg),
?line true = code:set_path(P),
%% test clashing entries
%% remove "." to prevent clash with test-server path
?line true = code:del_path("."),
?line true = code:add_path(DDir++"foobar-0.1/ebin"),
?line true = code:add_path(DDir++"foobar-0.1.ez/foobar-0.1/ebin"),
?line test_server:capture_start(),
?line code:clash(),
?line test_server:capture_stop(),
?line [ErrMsg1|_] = test_server:capture_get(),
?line {match, [" hides "]} = re:run(ErrMsg1, "\\*\\* .*( hides ).*",
[{capture,all_but_first,list}]),
?line true = code:set_path(P),
ok.
ext_mod_dep(suite) ->
[];
ext_mod_dep(doc) ->
["Every module that the code_server uses should be preloaded, "
"this test case verifies that"];
ext_mod_dep(Config) when is_list(Config) ->
xref:start(s),
xref:set_default(s, [{verbose,false},{warnings,false},
{builtins,true},{recurse,true}]),
xref:set_library_path(s, code:get_path()),
xref:add_directory(s, filename:dirname(code:which(kernel))),
xref:add_directory(s, filename:dirname(code:which(lists))),
case catch ext_mod_dep2() of
{'EXIT', Reason} ->
xref:stop(s),
exit(Reason);
Else ->
xref:stop(s),
case Else of
ok -> ok;
_ -> test_server:fail(Else)
end
end.
ext_mod_dep2() ->
Exports0 = code_server:module_info(exports) --
[{module_info,0},{module_info,1}],
Exports = [{code_server,M,A} || {M,A} <- Exports0],
case analyse(Exports, [], [], 0) of
{_Visited,0} ->
ok;
{_Visited,ErrCnt} ->
{not_verified,ErrCnt}
end.
analyse([], [], Visited, ErrCnt) ->
{Visited,ErrCnt};
analyse([], [This={M,F,A}|Path], Visited, ErrCnt0) ->
%% The code_server has been granted to use the following modules,
%% These modules should be loaded by code.erl before
%% the code_server is started.
OK = [erlang, os, prim_file, erl_prim_loader, init, ets,
code_server, lists, lists_sort, filename, packages,
gb_sets, gb_trees, hipe_unified_loader, hipe_bifs,
prim_zip, zlib],
ErrCnt1 =
case lists:member(M, OK) or erlang:is_builtin(M,F,A) of
true ->
0;
false ->
check_funs(This, Path)
end,
{Visited, ErrCnt1+ErrCnt0};
analyse([MFA|R], Path, Visited0, ErrCnt0) ->
case lists:member(MFA,Visited0) of
false ->
{Visited,ErrCnt1} = analyse2(MFA, Path, Visited0),
analyse(R, Path, Visited, ErrCnt1+ErrCnt0);
true ->
analyse(R, Path, Visited0, ErrCnt0)
end.
analyse2(MFA = {'$M_EXPR',_, _}, Path, Visited0) ->
analyse([], [MFA|Path], Visited0, 0);
analyse2(MFA={_,_,_}, Path, Visited0) ->
{ok, FL} = xref:analyze(s,{call,MFA}),
analyse(FL, [MFA|Path], my_usort([MFA|Visited0]), 0).
%%%% We need to check these manually...
% fun's are ok as long as they are defined locally.
check_funs({'$M_EXPR','$F_EXPR',_},
[{code_server,load_native_code,4},
{code_server,load_native_code_1,2},
{code_server,load_native_code,2},
{code_server,try_load_module,4},
{code_server,do_load_binary,4},
{code_server,handle_call,3},
{code_server,loop,1}|_]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',_},
[{code_server,do_mod_call,4},
{code_server,handle_call,3}|_]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',_},
[{lists,flatmap,2},
{lists,concat,1},
{code_server,load_abs,4},
{code_server,handle_call,3},
{code_server,loop,1}|_]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',_},
[{lists,foreach,2},
{code_server,stick_dir,3},
{code_server,handle_call,3},
{code_server,loop,1}|_]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',1},
[{lists,all,2},
{code_server,is_numstr,1},
{code_server,is_vsn,1},
{code_server,vsn_to_num,1},
{code_server,create_bundle,2},
{code_server,choose_bundles,1},
{code_server,make_path,2},
{code_server,get_user_lib_dirs_1,1},
{code_server,get_user_lib_dirs,0},
{code_server,init,3},
{code_server,start_link,1}]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',1},
[{lists,filter,2},
{code_server,try_archive_subdirs,3},
{code_server,all_archive_subdirs,1},
{code_server,archive_subdirs,1},
{code_server,insert_name,3},
{code_server,replace_name,2},
{code_server,update,2},
{code_server,maybe_update,2},
{code_server,do_add,4},
{code_server,add_path,4},
{code_server,handle_call,3},
{code_server,loop,1},
{code_server,system_continue,3}]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',_},
[{erlang,apply,2},
{erlang,spawn_link,1},
{code_server,start_link,1}]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',_},
[{erlang,spawn_link,1},{code_server,start_link,1}]) -> 0;
check_funs({'$M_EXPR',module_info,1},
[{hipe_unified_loader,patch_to_emu_step1,1} | _]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',2},
[{lists,foldl,3},
{hipe_unified_loader,sort_and_write,4} | _]) -> 0;
check_funs({'$M_EXPR','$F_EXPR',1},
[{lists,foreach,2},
{hipe_unified_loader,patch_consts,3} | _]) -> 0;
check_funs({'$M_EXPR',warning_msg,2},
[{code_server,finish_on_load_report,2} | _]) -> 0;
%% This is cheating! /raimo
%%
%% check_funs(This = {M,_,_}, Path) ->
%% case catch atom_to_list(M) of
%% [$h,$i,$p,$e | _] ->
%% test_server:format("hipe_module_ignored(~p, ~p)~n", [This, Path]),
%% 0;
%% _ ->
%% test_server:format("not_verified(~p, ~p)~n", [This, Path]),
%% 1
%% end;
check_funs(This, Path) ->
test_server:format("not_verified(~p, ~p)~n", [This, Path]),
1.
my_usort(List) ->
lists:reverse(uniq(lists:sort(List),[])).
uniq([],A) ->
A;
uniq([H|T],[]) ->
uniq(T,[H]);
uniq([H|T],[H|_]=A) ->
uniq(T,A);
uniq([H|T],A) ->
uniq(T,[H|A]).
load_cached(suite) ->
[];
load_cached(doc) ->
[];
load_cached(Config) when is_list(Config) ->
?line Priv = ?config(priv_dir, Config),
?line WD = filename:dirname(code:which(?MODULE)),
?line {ok,Node} =
?t:start_node(code_cache_node, peer, [{args,
"-pa " ++ WD},
{erl, [this]}]),
CCTabCreated = fun(Tab) ->
case ets:info(Tab, name) of
code_cache -> true;
_ -> false
end
end,
?line Tabs = rpc:call(Node, ets, all, []),
case rpc:call(Node, lists, any, [CCTabCreated,Tabs]) of
true ->
?t:stop_node(Node),
?t:fail("Code cache should not be active!");
false ->
ok
end,
?line rpc:call(Node, code, del_path, [Priv]),
?line rpc:call(Node, code, add_pathz, [Priv]),
FullModName = Priv ++ "/code_cache_test",
?line {ok,Dev} = file:open(FullModName ++ ".erl", [write]),
?line io:format(Dev, "-module(code_cache_test). -export([a/0]). a() -> ok.~n", []),
?line ok = file:close(Dev),
?line {ok,code_cache_test} = compile:file(FullModName, [{outdir,Priv}]),
F = fun load_loop/2,
N = 1000,
?line {T0,T1} = rpc:call(Node, erlang, apply, [F, [N,code_cache_test]]),
TNoCache = now_diff(T1, T0),
?line rpc:call(Node, code, rehash, []),
?line {T2,T3} = rpc:call(Node, erlang, apply, [F, [N,code_cache_test]]),
?line TCache = now_diff(T3, T2),
AvgNoCache = TNoCache/N,
AvgCache = TCache/N,
?line io:format("Avg. load time (no_cache/cache): ~w/~w~n", [AvgNoCache,AvgCache]),
?t:stop_node(Node),
if AvgNoCache =< AvgCache ->
?t:fail("Cache not working properly.");
true ->
ok
end.
load_loop(N, M) ->
load_loop(N, M, now()).
load_loop(0, _M, T0) ->
{T0,now()};
load_loop(N, M, T0) ->
code:load_file(M),
code:delete(M),
code:purge(M),
load_loop(N-1, M, T0).
now_diff({A2, B2, C2}, {A1, B1, C1}) ->
((A2-A1)*1000000 + B2-B1)*1000000 + C2-C1.
start_node_with_cache(suite) ->
[];
start_node_with_cache(doc) ->
[];
start_node_with_cache(Config) when is_list(Config) ->
?line {ok,Node} =
?t:start_node(code_cache_node, peer, [{args,
"-code_path_cache"},
{erl, [this]}]),
?line Tabs = rpc:call(Node, ets, all, []),
io:format("Tabs: ~w~n", [Tabs]),
CCTabCreated = fun(Tab) ->
case rpc:call(Node, ets, info, [Tab,name]) of
code_cache -> true;
_ -> false
end
end,
?line true = lists:any(CCTabCreated, Tabs),
?t:stop_node(Node),
ok.
add_and_rehash(suite) ->
[];
add_and_rehash(doc) ->
[];
add_and_rehash(Config) when is_list(Config) ->
?line Priv = ?config(priv_dir, Config),
?line WD = filename:dirname(code:which(?MODULE)),
?line {ok,Node} =
?t:start_node(code_cache_node, peer, [{args,
"-pa " ++ WD},
{erl, [this]}]),
CCTabCreated = fun(Tab) ->
case ets:info(Tab, name) of
code_cache -> true;
_ -> false
end
end,
?line Tabs0 = rpc:call(Node, ets, all, []),
case rpc:call(Node, lists, any, [CCTabCreated,Tabs0]) of
true ->
?t:stop_node(Node),
?t:fail("Code cache should not be active!");
false ->
ok
end,
?line ok = rpc:call(Node, code, rehash, []), % create cache
?line Tabs1 = rpc:call(Node, ets, all, []),
?line true = rpc:call(Node, lists, any, [CCTabCreated,Tabs1]), % cache table created
?line ok = rpc:call(Node, code, rehash, []),
OkDir = filename:join(Priv, ""),
BadDir = filename:join(Priv, "guggemuffsussiputt"),
?line CP = [OkDir | rpc:call(Node, code, get_path, [])],
?line true = rpc:call(Node, code, set_path, [CP]),
CP1 = [BadDir | CP],
?line {error,_} = rpc:call(Node, code, set_path, [CP1]),
?line true = rpc:call(Node, code, del_path, [OkDir]),
?line true = rpc:call(Node, code, add_path, [OkDir]),
?line true = rpc:call(Node, code, add_path, [OkDir]),
?line {error,_} = rpc:call(Node, code, add_path, [BadDir]),
?line ok = rpc:call(Node, code, rehash, []),
ok.
where_is_file_no_cache(suite) ->
[];
where_is_file_no_cache(doc) ->
[];
where_is_file_no_cache(Config) when is_list(Config) ->
?line {T,KernelBeamFile} = timer:tc(code, where_is_file, ["kernel.beam"]),
io:format("Load time: ~w ms~n", [T]),
?line KernelEbinDir = filename:dirname(KernelBeamFile),
?line AppFile = filename:join(KernelEbinDir, "kernel.app"),
?line AppFile = code:where_is_file("kernel.app"),
?line non_existing = code:where_is_file("kernel"), % no such file
ok.
where_is_file_cached(suite) ->
[];
where_is_file_cached(doc) ->
[];
where_is_file_cached(Config) when is_list(Config) ->
?line {ok,Node} =
?t:start_node(code_cache_node, peer, [{args,
"-code_path_cache"},
{erl, [this]}]),
?line Tabs = rpc:call(Node, ets, all, []),
io:format("Tabs: ~w~n", [Tabs]),
CCTabCreated = fun(Tab) ->
case rpc:call(Node, ets, info, [Tab,name]) of
code_cache -> true;
_ -> false
end
end,
?line true = lists:any(CCTabCreated, Tabs),
?line KernelBeamFile = rpc:call(Node, code, where_is_file, ["kernel.beam"]),
?line {T,KernelBeamFile} = rpc:call(Node, timer, tc, [code,where_is_file,["kernel.beam"]]),
io:format("Load time: ~w ms~n", [T]),
?line KernelEbinDir = rpc:call(Node, filename, dirname, [KernelBeamFile]),
?line AppFile = rpc:call(Node, filename, join, [KernelEbinDir,"kernel.app"]),
?line AppFile = rpc:call(Node, code, where_is_file, ["kernel.app"]),
?line non_existing = rpc:call(Node, code, where_is_file, ["kernel"]), % no such file
?t:stop_node(Node),
ok.
purge_stacktrace(suite) ->
[];
purge_stacktrace(doc) ->
["Test that stacktrace is deleted when purging a referred module"];
purge_stacktrace(Config) when is_list(Config) ->
?line code:purge(code_b_test),
try code_b_test:call(fun(b) -> ok end, a)
catch
error:function_clause ->
?line code:load_file(code_b_test),
?line case erlang:get_stacktrace() of
[{?MODULE,_,[a]},
{code_b_test,call,2},
{?MODULE,purge_stacktrace,1}|_] ->
?line false = code:purge(code_b_test),
?line [] = erlang:get_stacktrace()
end
end,
try code_b_test:call(nofun, 2)
catch
error:function_clause ->
?line code:load_file(code_b_test),
?line case erlang:get_stacktrace() of
[{code_b_test,call,[nofun,2]},
{?MODULE,purge_stacktrace,1}|_] ->
?line false = code:purge(code_b_test),
?line [] = erlang:get_stacktrace()
end
end,
Args = [erlang,error,[badarg]],
try code_b_test:call(erlang, error, [badarg,Args])
catch
error:badarg ->
?line code:load_file(code_b_test),
?line case erlang:get_stacktrace() of
[{code_b_test,call,Args},
{?MODULE,purge_stacktrace,1}|_] ->
?line false = code:purge(code_b_test),
?line [] = erlang:get_stacktrace()
end
end,
ok.
mult_lib_roots(Config) when is_list(Config) ->
?line DataDir = filename:join(?config(data_dir, Config), "mult_lib_roots"),
?line mult_lib_compile(DataDir, "my_dummy_app-b/ebin/lists"),
?line mult_lib_compile(DataDir,
"my_dummy_app-c/ebin/code_SUITE_mult_root_module"),
%% Set up ERL_LIBS and start a slave node.
ErlLibs = filename:join(DataDir, first_root) ++ mult_lib_sep() ++
filename:join(DataDir, second_root),
?line {ok,Node} =
?t:start_node(mult_lib_roots, slave,
[{args,"-env ERL_LIBS "++ErlLibs}]),
?line {ok,Cwd} = file:get_cwd(),
?line Path0 = rpc:call(Node, code, get_path, []),
?line [Cwd,"."|Path1] = Path0,
?line [Kernel|Path2] = Path1,
?line [Stdlib|Path3] = Path2,
?line mult_lib_verify_lib(Kernel, "kernel"),
?line mult_lib_verify_lib(Stdlib, "stdlib"),
?line [Lib1,Lib2,Lib3,Lib4,Lib5|Path] = Path3,
["first_root/my_dummy_app-a/ebin",
"first_root/my_dummy_app-b/ebin",
"first_root/my_dummy_app-c/ebin",
"second_root/my_dummy_app-d/ebin",
"second_root/my_dummy_app-e/ebin"] =
[mult_lib_remove_prefix(E, DataDir) ||
E <- lists:sort([Lib1,Lib2,Lib3,Lib4,Lib5])],
io:format("~p\n", [Path]),
?line true = rpc:call(Node, code_SUITE_mult_root_module, works_fine, []),
?line ?t:stop_node(Node),
ok.
mult_lib_compile(Root, Last) ->
Mod = list_to_atom(filename:basename(Last)),
Name = filename:join([Root,"first_root",Last]),
Dir = filename:dirname(Name),
{ok,Mod} = compile:file(Name, [report,{outdir,Dir}]),
ok.
mult_lib_sep() ->
case os:type() of
{win32,_} -> ";";
_ -> ":"
end.
mult_lib_verify_lib(Path, Expected) ->
Dir = filename:basename(filename:dirname(Path)),
true = lists:prefix(Expected, Dir).
mult_lib_remove_prefix([H|T1], [H|T2]) ->
mult_lib_remove_prefix(T1, T2);
mult_lib_remove_prefix([$/|T], []) -> T.
bad_erl_libs(Config) when is_list(Config) ->
?line {ok,Node} =
?t:start_node(mult_lib_roots, slave,
[{args,"-env ERL_LIBS "}]),
?line ?t:stop_node(Node),
?line {ok,Node2} =
?t:start_node(mult_lib_roots, slave,
[{args,"-env ERL_LIBS /no/such/dir"}]),
?line ?t:stop_node(Node2),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Create an archive file containing an application and make use of it.
code_archive(Config) when is_list(Config) ->
do_code_archive(Config, "code_archive_libs", false).
code_archive2(Config) when is_list(Config) ->
do_code_archive(Config, "code_archive_libs2", true).
do_code_archive(Config, Root, StripVsn) when is_list(Config) ->
%% Copy the orig files to priv_dir
DataDir = ?config(data_dir, Config),
PrivDir = ?config(priv_dir, Config),
App = code_archive_dict,
VsnBase = atom_to_list(App) ++ "-1.0",
Base =
case StripVsn of
true -> atom_to_list(App);
false -> VsnBase
end,
Ext = init:archive_extension(),
RootDir = filename:join([PrivDir, Root]),
?line ok = file:make_dir(RootDir),
Archive = filename:join([RootDir, VsnBase ++ Ext]),
?line {ok, _} = zip:create(Archive, [VsnBase],
[{compress, []}, {cwd, DataDir}]),
?line {ok, _} = zip:extract(Archive, [{cwd, PrivDir}]),
case StripVsn of
true ->
?line ok = file:rename(filename:join([PrivDir, VsnBase]),
filename:join([PrivDir, Base]));
false ->
ok
end,
io:format("DEBUG: ~p\n", [?LINE]),
%% Compile the code
?line ok = compile_app(PrivDir, Base),
%% Create the archive
?line ok = file:delete(Archive),
?line {ok, _} = zip:create(Archive, [Base],
[{compress, []}, {cwd, PrivDir}]),
%% Set up ERL_LIBS and start a slave node.
?line {ok, Node} =
?t:start_node(code_archive, slave,
[{args,"-env ERL_LIBS " ++ RootDir}]),
?line CodePath = rpc:call(Node, code, get_path, []),
AppEbin = filename:join([Archive, Base, "ebin"]),
io:format("AppEbin: ~p\n", [AppEbin]),
io:format("CodePath: ~p\n", [CodePath]),
io:format("Archive: ~p\n", [erl_prim_loader:read_file_info(Archive)]),
?line true = lists:member(AppEbin, CodePath),
%% Start the app
?line ok = rpc:call(Node, application, start, [App]),
%% Access the app priv dir
AppPrivDir = rpc:call(Node, code, priv_dir, [App]),
?line AppPrivFile = filename:join([AppPrivDir, "code_archive.txt"]),
io:format("AppPrivFile: ~p\n", [AppPrivFile]),
?line {ok, _Bin, _Path} =
rpc:call(Node, erl_prim_loader, get_file, [AppPrivFile]),
%% Use the app
Tab = code_archive_tab,
Key = foo,
Val = bar,
{ok, _Pid} = rpc:call(Node, App, new, [Tab]),
error = rpc:call(Node, App, find, [Tab, Key]),
ok = rpc:call(Node, App, store, [Tab, Key, Val]),
{ok, Val} = rpc:call(Node, App, find, [Tab, Key]),
ok = rpc:call(Node, App, erase, [Tab, Key]),
error = rpc:call(Node, App, find, [Tab, Key]),
ok = rpc:call(Node, App, erase, [Tab]),
?line ?t:stop_node(Node),
ok.
compile_app(TopDir, AppName) ->
AppDir = filename:join([TopDir, AppName]),
SrcDir = filename:join([AppDir, "src"]),
OutDir = filename:join([AppDir, "ebin"]),
?line {ok, Files} = file:list_dir(SrcDir),
compile_files(Files, SrcDir, OutDir).
compile_files([File | Files], SrcDir, OutDir) ->
case filename:extension(File) of
".erl" ->
AbsFile = filename:join([SrcDir, File]),
case compile:file(AbsFile, [{outdir, OutDir}]) of
{ok, _Mod} ->
compile_files(Files, SrcDir, OutDir);
Error ->
{compilation_error, AbsFile, OutDir, Error}
end;
_ ->
compile_files(Files, SrcDir, OutDir)
end;
compile_files([], _, _) ->
ok.
on_load(Config) when is_list(Config) ->
Master = on_load_test_case_process,
?line Data = filename:join([?config(data_dir, Config),"on_load"]),
?line ok = file:set_cwd(Data),
?line up_to_date = make:all([{d,'MASTER',Master}]),
%% Register a name for this process.
?line register(Master, self()),
?line {_,Ref} = spawn_monitor(fun() ->
exit(on_load_a:data())
end),
receive
{on_load_a,start} -> ok
end,
receive
{on_load_b,start} -> ok
end,
receive
{on_load_c,PidC} -> ok
end,
?line Refs = on_load_massive_spawn(lists:seq(1, 50)),
receive after 7 -> ok end,
PidC ! go,
KernelLibDir = code:lib_dir(kernel),
receive
{on_load_c,done} -> ok
end,
receive
{on_load_b,done} -> ok
end,
receive
{on_load_a,KernelLibDir} -> ok
end,
receive
{'DOWN',Ref,process,_,Res} ->
?line [a,b,c] = Res
end,
on_load_wait_for_all(Refs),
receive
Any ->
?line ?t:fail({unexpected,Any})
after 10 ->
ok
end.
on_load_massive_spawn([_|T]) ->
{_,Ra} = spawn_monitor(fun() -> [a,b,c] = on_load_a:data() end),
{_,Rb} = spawn_monitor(fun() -> [b,c] = on_load_b:data() end),
{_,Rc} = spawn_monitor(fun() -> [c] = on_load_c:data() end),
[Ra,Rb,Rc|on_load_massive_spawn(T)];
on_load_massive_spawn([]) -> [].
on_load_wait_for_all([Ref|T]) ->
receive
{'DOWN',Ref,process,_,normal} ->
on_load_wait_for_all(T)
end;
on_load_wait_for_all([]) -> ok.
on_load_embedded(Config) when is_list(Config) ->
try
on_load_embedded_1(Config)
catch
throw:{skip,_}=Skip ->
Skip
end.
on_load_embedded_1(Config) ->
?line DataDir = ?config(data_dir, Config),
%% Link the on_load_app application into the lib directory.
?line LibRoot = code:lib_dir(),
?line LinkName = filename:join(LibRoot, "on_load_app-1.0"),
?line OnLoadApp = filename:join(DataDir, "on_load_app-1.0"),
?line file:delete(LinkName),
case file:make_symlink(OnLoadApp, LinkName) of
{error,enotsup} ->
throw({skip,"Support for symlinks required"});
ok -> ok
end,
%% Compile the code.
?line OnLoadAppEbin = filename:join(LinkName, "ebin"),
?line {ok,_ } = compile:file(filename:join([OnLoadApp,"src",
"on_load_embedded"]),
[{outdir,OnLoadAppEbin}]),
%% Create and compile a boot file.
?line true = code:add_pathz(OnLoadAppEbin),
Options = case is_source_dir() of
true -> [local];
false -> []
end,
?line BootScript = create_boot(Config, Options),
?line true = code:del_path(OnLoadAppEbin),
%% Start the node and check that the on_load function was run.
?line {ok,Node} = start_node(on_load_embedded,
"-mode embedded -boot " ++ BootScript),
ok = rpc:call(Node, on_load_embedded, status, []),
%% Clean up.
?line stop_node(Node),
?line ok = file:delete(LinkName).
create_boot(Config, Options) ->
?line {ok, OldDir} = file:get_cwd(),
?line {LatestDir,LatestName} = create_script(Config),
?line ok = file:set_cwd(LatestDir),
?line ok = systools:make_script(LatestName, Options),
?line ok = file:set_cwd(OldDir),
filename:join(LatestDir, LatestName).
create_script(Config) ->
?line PrivDir = ?config(priv_dir, Config),
?line Name = PrivDir ++ "on_load_test",
?line Apps = application_controller:which_applications(),
?line {value,{_,_,KernelVer}} = lists:keysearch(kernel, 1, Apps),
?line {value,{_,_,StdlibVer}} = lists:keysearch(stdlib, 1, Apps),
?line {ok,Fd} = file:open(Name ++ ".rel", write),
?line io:format(Fd,
"{release, {\"Test release 3\", \"P2A\"}, \n"
" {erts, \"9.42\"}, \n"
" [{kernel, \"~s\"}, {stdlib, \"~s\"},"
" {on_load_app, \"1.0\"}]}.\n",
[KernelVer,StdlibVer]),
?line file:close(Fd),
{filename:dirname(Name),filename:basename(Name)}.
is_source_dir() ->
filename:basename(code:lib_dir(kernel)) =:= "kernel" andalso
filename:basename(code:lib_dir(stdlib)) =:= "stdlib".
on_load_errors(Config) when is_list(Config) ->
Master = on_load_error_test_case_process,
?line register(Master, self()),
?line Data = filename:join([?config(data_dir, Config),"on_load_errors"]),
?line ok = file:set_cwd(Data),
?line up_to_date = make:all([{d,'MASTER',Master}]),
?line do_on_load_error(an_atom),
?line error_logger:add_report_handler(?MODULE, self()),
?line do_on_load_error({something,terrible,is,wrong}),
receive
Any1 ->
?line {_, "The on_load function"++_,
[on_load_error,
{something,terrible,is,wrong},_]} = Any1
end,
?line do_on_load_error(fail), %Cause exception.
receive
Any2 ->
?line {_, "The on_load function"++_,
[on_load_error,{failed,[_|_]},_]} = Any2
end,
%% There should be no more messages.
receive
Unexpected ->
?line ?t:fail({unexpected,Unexpected})
after 10 ->
ok
end,
ok.
do_on_load_error(ReturnValue) ->
?line {_,Ref} = spawn_monitor(fun() ->
exit(on_load_error:main())
end),
receive {on_load_error,ErrorPid} -> ok end,
?line ErrorPid ! ReturnValue,
receive
{'DOWN',Ref,process,_,Exit} ->
?line {undef,[{on_load_error,main,[]}|_]} = Exit
end.
%%-----------------------------------------------------------------
%% error_logger handler.
%% (Copied from stdlib/test/proc_lib_SUITE.erl.)
%%-----------------------------------------------------------------
init(Tester) ->
{ok, Tester}.
handle_event({error, _GL, {emulator, _, _}}, Tester) ->
{ok, Tester};
handle_event({error, _GL, Msg}, Tester) ->
Tester ! Msg,
{ok, Tester};
handle_event(_Event, State) ->
{ok, State}.
handle_info(_, State) ->
{ok, State}.
handle_call(_Query, State) -> {ok, {error, bad_query}, State}.
terminate(_Reason, State) ->
State.
%%%
%%% Common utility functions.
%%%
start_node(Name, Param) ->
?t:start_node(Name, slave, [{args, Param}]).
stop_node(Node) ->
?t:stop_node(Node).
