From 0633801a94a7ad5559ef59edc6ba25a5484d1e33 Mon Sep 17 00:00:00 2001
From: Siri Hansen <siri@erlang.org>
Date: Mon, 26 Jun 2017 15:10:22 +0200
Subject: [sasl] Improve handling of unicode strings and atoms
---
lib/sasl/src/release_handler.erl | 10 +-
lib/sasl/src/systools_make.erl | 6 +-
lib/sasl/src/systools_relup.erl | 4 +-
lib/sasl/test/release_handler_SUITE.erl | 103 +++++++++++++++++++--
.../test/release_handler_SUITE_data/Makefile.src | 18 +++-
.../unicode/u-1.0/ebin/u.app | 8 ++
.../unicode/u-1.0/src/u.erl | 50 ++++++++++
.../unicode/u-1.0/src/u_sup.erl | 38 ++++++++
.../unicode/u-1.1/ebin/u.app | 8 ++
.../unicode/u-1.1/ebin/u.appup | 3 +
.../unicode/u-1.1/src/u.erl | 55 +++++++++++
.../unicode/u-1.1/src/u_sup.erl | 38 ++++++++
12 files changed, 323 insertions(+), 18 deletions(-)
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/ebin/u.app
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u.erl
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u_sup.erl
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.app
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.appup
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u.erl
create mode 100644 lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u_sup.erl
(limited to 'lib/sasl')
diff --git a/lib/sasl/src/release_handler.erl b/lib/sasl/src/release_handler.erl
index 1f3c6877d5..d0a7c7332d 100644
--- a/lib/sasl/src/release_handler.erl
+++ b/lib/sasl/src/release_handler.erl
@@ -1143,8 +1143,9 @@ new_emulator_make_hybrid_config(CurrentVsn,ToVsn,TmpVsn,RelDir,Masters) ->
Config2 = replace_config(stdlib,Config1,Stdlib),
Config3 = replace_config(sasl,Config2,Sasl),
- ConfigStr = io_lib:format("~p.~n",[Config3]),
- write_file(TmpFile,ConfigStr,Masters).
+ ConfigStr = io_lib:format("%% ~s~n~tp.~n",
+ [epp:encoding_to_string(utf8),Config3]),
+ write_file(TmpFile,unicode:characters_to_binary(ConfigStr),Masters).
%% Take the configuration for application App from the new config and
%% insert in the old config.
@@ -1874,9 +1875,10 @@ write_releases_1(Dir, NewReleases, Masters) ->
write_releases_m(Dir, NewReleases, Masters).
do_write_release(Dir, RELEASES, NewReleases) ->
- case file:open(filename:join(Dir, RELEASES), [write]) of
+ case file:open(filename:join(Dir, RELEASES), [write,{encoding,utf8}]) of
{ok, Fd} ->
- ok = io:format(Fd, "~p.~n", [NewReleases]),
+ ok = io:format(Fd, "%% ~s~n~tp.~n",
+ [epp:encoding_to_string(utf8),NewReleases]),
ok = file:close(Fd);
{error, Reason} ->
{error, Reason}
diff --git a/lib/sasl/src/systools_make.erl b/lib/sasl/src/systools_make.erl
index b1523dcbb7..391b1fb5cc 100644
--- a/lib/sasl/src/systools_make.erl
+++ b/lib/sasl/src/systools_make.erl
@@ -1152,10 +1152,10 @@ generate_script(Output, Release, Appls, Flags) ->
},
ScriptFile = Output ++ ".script",
- case file:open(ScriptFile, [write]) of
+ case file:open(ScriptFile, [write,{encoding,utf8}]) of
{ok, Fd} ->
- io:format(Fd, "%% script generated at ~w ~w\n~p.\n",
- [date(), time(), Script]),
+ io:format(Fd, "%% ~s\n%% script generated at ~w ~w\n~tp.\n",
+ [epp:encoding_to_string(utf8), date(), time(), Script]),
case file:close(Fd) of
ok ->
BootFile = Output ++ ".boot",
diff --git a/lib/sasl/src/systools_relup.erl b/lib/sasl/src/systools_relup.erl
index 706ae7d631..e836d57670 100644
--- a/lib/sasl/src/systools_relup.erl
+++ b/lib/sasl/src/systools_relup.erl
@@ -535,9 +535,9 @@ to_list(X) when is_list(X) -> X.
write_relup_file(Relup, Opts) ->
Filename = filename:join(filename:absname(get_opt(outdir,Opts)),
"relup"),
- case file:open(Filename, [write]) of
+ case file:open(Filename, [write,{encoding,utf8}]) of
{ok, Fd} ->
- io:format(Fd, "~p.~n", [Relup]),
+ io:format(Fd, "%% ~s~n~tp.~n", [epp:encoding_to_string(utf8),Relup]),
case file:close(Fd) of
ok -> ok;
{error,Reason} ->
diff --git a/lib/sasl/test/release_handler_SUITE.erl b/lib/sasl/test/release_handler_SUITE.erl
index 7093158502..50932e89e4 100644
--- a/lib/sasl/test/release_handler_SUITE.erl
+++ b/lib/sasl/test/release_handler_SUITE.erl
@@ -66,7 +66,7 @@ cases() ->
supervisor_which_children_timeout,
release_handler_which_releases, install_release_syntax_check,
upgrade_supervisor, upgrade_supervisor_fail, otp_9864,
- otp_10463_upgrade_script_regexp, no_dot_erlang].
+ otp_10463_upgrade_script_regexp, no_dot_erlang, unicode_upgrade].
groups() ->
[{release,[],
@@ -1875,6 +1875,86 @@ no_dot_erlang(Conf) ->
ok
end.
+%%%-----------------------------------------------------------------
+%%% Test unicode handling. Make sure that release name, application
+%%% description, and application environment variables may contain
+%%% unicode characters.
+unicode_upgrade(Conf) ->
+ %% Set some paths
+ DataDir = ?config(data_dir, Conf),
+ PrivDir = priv_dir(Conf),
+ Dir = filename:join(PrivDir,"unicode"),
+ LibDir0 = filename:join(DataDir, "unicode"),
+ LibDir =
+ case {file:native_name_encoding(),os:type()} of
+ {utf8,{Os,_}} when Os =/= win32 ->
+ LD = filename:join(DataDir,"unicode_αβ"),
+ file:make_symlink("unicode",LD),
+ LD;
+ _ ->
+ LibDir0
+ end,
+
+ %% Create the releases
+ RelName = "unicode_rel_αβ",
+ Rel1 = create_and_install_fake_first_release(Dir,{RelName,"1"},
+ [{u,"1.0",LibDir}]),
+ Rel2 = create_fake_upgrade_release(Dir,
+ {RelName,"2"},
+ [{u,"1.1",LibDir}],
+ {[Rel1],[Rel1],[LibDir]}),
+ Rel1Dir = filename:dirname(Rel1),
+ Rel2Dir = filename:dirname(Rel2),
+
+ %% Start a slave node
+ {ok, Node} = t_start_node(unicode_upgrade, Rel1,
+ filename:join(Rel1Dir,"sys.config"), "+pc unicode"),
+
+ %% Check
+ Dir1 = filename:join([LibDir, "u-1.0"]),
+ Dir1 = rpc:call(Node, code, lib_dir, [u]),
+ UBeam1 = filename:join([Dir1,"ebin","u.beam"]),
+ UBeam1 = rpc:call(Node,code,which,[u]),
+ {RelName,"1"} = rpc:call(Node,init,script_id,[]),
+ {Env,state} = rpc:call(Node,u,u,[]),
+ 'val_αβ' = proplists:get_value('key_αβ',Env),
+ [{RelName,"1",_,permanent}|_] =
+ rpc:call(Node,release_handler,which_releases,[]),
+ {ok,ReleasesDir} = rpc:call(Node,application,get_env,[sasl,releases_dir]),
+ {ok,[[{release,RelName,"1",_,_,permanent}|_]]} =
+ file:consult(filename:join(ReleasesDir,"RELEASES")),
+
+ %% Install second release
+ {ok, RelVsn2} =
+ rpc:call(Node, release_handler, set_unpacked,
+ [Rel2++".rel", [{u,"1.1",LibDir}]]),
+ ok = rpc:call(Node, release_handler, install_file,
+ [RelVsn2, filename:join(Rel2Dir, "relup")]),
+ ok = rpc:call(Node, release_handler, install_file,
+ [RelVsn2, filename:join(Rel2Dir, "start.boot")]),
+ ok = rpc:call(Node, release_handler, install_file,
+ [RelVsn2, filename:join(Rel2Dir, "sys.config")]),
+
+ {ok, _RelVsn1, []} =
+ rpc:call(Node, release_handler, install_release, [RelVsn2]),
+
+ %% And check
+ Dir2 = filename:join([LibDir, "u-1.1"]),
+ Dir2 = rpc:call(Node, code, lib_dir, [u]),
+ UBeam2 = filename:join([Dir2,"ebin","u.beam"]),
+ {file,UBeam2} = rpc:call(Node,code,is_loaded,[u]),
+ {RelName,"1"} = rpc:call(Node,init,script_id,[]),
+ {Env,{state,'αβ'}} = rpc:call(Node,u,u,[]),
+ [{RelName,"2",_,current}|_] =
+ rpc:call(Node,release_handler,which_releases,[]),
+ {ok,ReleasesDir2} = rpc:call(Node,application,get_env,[sasl,releases_dir]),
+ {ok,<<"%% coding: utf-8\n[{release,\"unicode_rel_αβ\",\"2\""/utf8,_/binary>>}=
+ file:read_file(filename:join(ReleasesDir2,"RELEASES")),
+ ok.
+
+unicode_upgrade(cleanup,_Conf) ->
+ stop_node(node_name(unicode_upgrade)).
+
%%%=================================================================
%%% Misceleaneous functions
@@ -2002,6 +2082,8 @@ are_names_reg_gg(Node, Names, N) ->
t_start_node(Name, Boot, SysConfig) ->
+ t_start_node(Name, Boot, SysConfig, "").
+t_start_node(Name, Boot, SysConfig, ArgStr) ->
Args =
case Boot of
[] -> [];
@@ -2010,8 +2092,9 @@ t_start_node(Name, Boot, SysConfig) ->
case SysConfig of
[] -> [];
_ -> " -config " ++ SysConfig
- end,
- test_server:start_node(Name, slave, [{args, Args}]).
+ end ++
+ " " ++ ArgStr,
+ test_server:start_node(Name, peer, [{args, Args}]).
stop_node(Node) ->
?t:stop_node(Node).
@@ -2460,7 +2543,9 @@ create_rel_file(RelFile,RelName,RelVsn,Erts,ExtraApps) ->
%% Insert a term in a file, which can be read with file:consult/1.
write_term_file(File,Term) ->
- ok = file:write_file(File,io_lib:format("~p.~n",[Term])).
+ Str = io_lib:format("%% ~s~n~tp.~n",[epp:encoding_to_string(utf8),Term]),
+ Bin = unicode:characters_to_binary(Str),
+ ok = file:write_file(File,Bin).
%% Check that global group info is correct - try again for a maximum of 5 sec
@@ -2719,8 +2804,8 @@ cover_fun(Node,Func) ->
%% and possibly other applications if they are listed in AppDirs =
%% [{App,Vsn,LibDir}]
create_and_install_fake_first_release(Dir,AppDirs) ->
- %% Create the first release
- {RelName,RelVsn} = init:script_id(),
+ create_and_install_fake_first_release(Dir,init:script_id(),AppDirs).
+create_and_install_fake_first_release(Dir,{RelName,RelVsn},AppDirs) ->
{Rel,_} = create_fake_release(Dir,RelName,RelVsn,AppDirs),
ReleasesDir = filename:join(Dir, "releases"),
RelDir = filename:dirname(Rel),
@@ -2744,9 +2829,11 @@ create_and_install_fake_first_release(Dir,AppDirs) ->
%% be upgraded to from the release created by
%% create_and_install_fake_first_release/2. Unpack first by calls to
%% release_handler:set_unpacked and release_handler:install_file.
-create_fake_upgrade_release(Dir,RelVsn,AppDirs,{UpFrom,DownTo,ExtraLibs}) ->
- %% Create a new release
+create_fake_upgrade_release(Dir,RelVsn,AppDirs,UpgrInstr) when not is_tuple(RelVsn) ->
{RelName,_} = init:script_id(),
+ create_fake_upgrade_release(Dir,{RelName,RelVsn},AppDirs,UpgrInstr);
+create_fake_upgrade_release(Dir,{RelName,RelVsn},AppDirs,{UpFrom,DownTo,ExtraLibs}) ->
+ %% Create a new release
{Rel,Paths} = create_fake_release(Dir,RelName,RelVsn,AppDirs),
RelDir = filename:dirname(Rel),
diff --git a/lib/sasl/test/release_handler_SUITE_data/Makefile.src b/lib/sasl/test/release_handler_SUITE_data/Makefile.src
index b794aa0e6f..113d3e2290 100644
--- a/lib/sasl/test/release_handler_SUITE_data/Makefile.src
+++ b/lib/sasl/test/release_handler_SUITE_data/Makefile.src
@@ -76,7 +76,13 @@ SUP= \
release_handler_timeouts/dummy-0.1/ebin/dummy_sup.@EMULATOR@ \
release_handler_timeouts/dummy-0.1/ebin/dummy_sup_2.@EMULATOR@
-all: $(LIB) $(APP) $(OTP2740) $(C) $(SUP)
+UNICODE= \
+ unicode/u-1.0/ebin/u.@EMULATOR@ \
+ unicode/u-1.0/ebin/u_sup.@EMULATOR@ \
+ unicode/u-1.1/ebin/u.@EMULATOR@ \
+ unicode/u-1.1/ebin/u_sup.@EMULATOR@
+
+all: $(LIB) $(APP) $(OTP2740) $(C) $(SUP) $(UNICODE)
lib/a-1.0/ebin/a.@EMULATOR@: lib/a-1.0/src/a.erl
erlc $(EFLAGS) -olib/a-1.0/ebin lib/a-1.0/src/a.erl
@@ -236,3 +242,13 @@ release_handler_timeouts/dummy-0.1/ebin/dummy_sup.@EMULATOR@: release_handler_ti
erlc $(EFLAGS) -orelease_handler_timeouts/dummy-0.1/ebin release_handler_timeouts/dummy-0.1/src/dummy_sup.erl
release_handler_timeouts/dummy-0.1/ebin/dummy_sup_2.@EMULATOR@: release_handler_timeouts/dummy-0.1/src/dummy_sup_2.erl
erlc $(EFLAGS) -orelease_handler_timeouts/dummy-0.1/ebin release_handler_timeouts/dummy-0.1/src/dummy_sup_2.erl
+
+unicode/u-1.0/ebin/u.@EMULATOR@: unicode/u-1.0/src/u.erl
+ erlc $(EFLAGS) -ounicode/u-1.0/ebin unicode/u-1.0/src/u.erl
+unicode/u-1.0/ebin/u_sup.@EMULATOR@: unicode/u-1.0/src/u_sup.erl
+ erlc $(EFLAGS) -ounicode/u-1.0/ebin unicode/u-1.0/src/u_sup.erl
+
+unicode/u-1.1/ebin/u.@EMULATOR@: unicode/u-1.1/src/u.erl
+ erlc $(EFLAGS) -ounicode/u-1.1/ebin unicode/u-1.1/src/u.erl
+unicode/u-1.1/ebin/u_sup.@EMULATOR@: unicode/u-1.1/src/u_sup.erl
+ erlc $(EFLAGS) -ounicode/u-1.1/ebin unicode/u-1.1/src/u_sup.erl
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/ebin/u.app b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/ebin/u.app
new file mode 100644
index 0000000000..fea4f9992e
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/ebin/u.app
@@ -0,0 +1,8 @@
+{application, u,
+ [{description, "This app shall test unicode handling αβ"},
+ {vsn, "1.0"},
+ {modules, [u, u_sup]},
+ {registered, [u_sup]},
+ {applications, [kernel, stdlib]},
+ {env, [{'key_αβ', 'val_αβ'}]},
+ {mod, {u_sup, []}}]}.
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u.erl b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u.erl
new file mode 100644
index 0000000000..45fe098c0e
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u.erl
@@ -0,0 +1,50 @@
+%% ``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.
+%%
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%%
+%% $Id$
+%%
+-module(u).
+
+
+-behaviour(gen_server).
+
+-vsn(1).
+
+%% External exports
+-export([start_link/0, u/0]).
+%% Internal exports
+-export([init/1, handle_call/3, handle_info/2, terminate/2]).
+
+start_link() -> gen_server:start_link({local, uu}, u, [], []).
+
+u() -> gen_server:call(uu, u).
+
+%%-----------------------------------------------------------------
+%% Callback functions from gen_server
+%%-----------------------------------------------------------------
+init([]) ->
+ process_flag(trap_exit, true),
+ {ok, state}.
+
+handle_call(u, _From, State) ->
+ X = application:get_all_env(u),
+ {reply, {X,State}, State}.
+
+handle_info(_, State) ->
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u_sup.erl b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u_sup.erl
new file mode 100644
index 0000000000..b0d4a7b58f
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.0/src/u_sup.erl
@@ -0,0 +1,38 @@
+%% ``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.
+%%
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%%
+%% $Id$
+%%
+-module(u_sup).
+
+
+-behaviour(supervisor).
+
+%% External exports
+-export([start/2]).
+
+%% Internal exports
+-export([init/1]).
+
+start(_, _) ->
+ supervisor:start_link({local, ?MODULE}, ?MODULE, []).
+
+init([]) ->
+ SupFlags = {one_for_one, 4, 3600},
+ Config = {u,
+ {u, start_link, []},
+ permanent, 2000, worker, [u]},
+ {ok, {SupFlags, [Config]}}.
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.app b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.app
new file mode 100644
index 0000000000..8fcc3bba42
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.app
@@ -0,0 +1,8 @@
+{application, u,
+ [{description, "This app shall test unicode handling αβ"},
+ {vsn, "1.1"},
+ {modules, [u, u_sup]},
+ {registered, [u_sup]},
+ {applications, [kernel, stdlib]},
+ {env, [{'key_αβ', 'val_αβ'}]},
+ {mod, {u_sup, []}}]}.
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.appup b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.appup
new file mode 100644
index 0000000000..0344ce92ab
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/ebin/u.appup
@@ -0,0 +1,3 @@
+{"1.1",
+ [{"1.0",[{update,u,{advanced,'αβ'}}]}],
+ [{"1.0",[{update,u,{advanced,'αβ'}}]}]}.
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u.erl b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u.erl
new file mode 100644
index 0000000000..d2544d6fc1
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u.erl
@@ -0,0 +1,55 @@
+%% ``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.
+%%
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%%
+%% $Id$
+%%
+-module(u).
+
+
+-behaviour(gen_server).
+
+-vsn(1).
+
+%% External exports
+-export([start_link/0, u/0]).
+%% Internal exports
+-export([init/1, handle_call/3, handle_info/2, terminate/2, code_change/3]).
+
+start_link() -> gen_server:start_link({local, uu}, u, [], []).
+
+u() -> gen_server:call(uu, u).
+
+%%-----------------------------------------------------------------
+%% Callback functions from gen_server
+%%-----------------------------------------------------------------
+init([]) ->
+ process_flag(trap_exit, true),
+ {ok, {state,'αβ'}}.
+
+handle_call(u, _From, State) ->
+ X = application:get_all_env(u),
+ {reply, {X,State}, State}.
+
+handle_info(_, State) ->
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
+
+code_change({down,_}, {State,_}, _Extra) ->
+ {ok, State};
+code_change(_, State, Extra) ->
+ {ok, {State, Extra}}.
diff --git a/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u_sup.erl b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u_sup.erl
new file mode 100644
index 0000000000..b0d4a7b58f
--- /dev/null
+++ b/lib/sasl/test/release_handler_SUITE_data/unicode/u-1.1/src/u_sup.erl
@@ -0,0 +1,38 @@
+%% ``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.
+%%
+%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+%% AB. All Rights Reserved.''
+%%
+%% $Id$
+%%
+-module(u_sup).
+
+
+-behaviour(supervisor).
+
+%% External exports
+-export([start/2]).
+
+%% Internal exports
+-export([init/1]).
+
+start(_, _) ->
+ supervisor:start_link({local, ?MODULE}, ?MODULE, []).
+
+init([]) ->
+ SupFlags = {one_for_one, 4, 3600},
+ Config = {u,
+ {u, start_link, []},
+ permanent, 2000, worker, [u]},
+ {ok, {SupFlags, [Config]}}.
--
cgit v1.2.3