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-rw-r--r--lib/kernel/src/kernel.erl255
1 files changed, 170 insertions, 85 deletions
diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl
index 3d0ef81318..cba57088ec 100644
--- a/lib/kernel/src/kernel.erl
+++ b/lib/kernel/src/kernel.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -32,6 +32,14 @@
start(_, []) ->
case supervisor:start_link({local, kernel_sup}, kernel, []) of
{ok, Pid} ->
+ %% add signal handler
+ case whereis(erl_signal_server) of
+ %% in case of minimal mode
+ undefined -> ok;
+ _ ->
+ ok = gen_event:add_handler(erl_signal_server, erl_signal_handler, [])
+ end,
+ %% add error handler
Type = get_error_logger_type(),
case error_logger:swap_handler(Type) of
ok -> {ok, Pid, []};
@@ -92,60 +100,112 @@ get_error_logger_type() ->
%%%-----------------------------------------------------------------
init([]) ->
- SupFlags = {one_for_all, 0, 1},
-
- Config = {kernel_config,
- {kernel_config, start_link, []},
- permanent, 2000, worker, [kernel_config]},
- Code = {code_server,
- {code, start_link, []},
- permanent, 2000, worker, [code]},
- File = {file_server_2,
- {file_server, start_link, []},
- permanent, 2000, worker,
- [file, file_server, file_io_server, prim_file]},
- StdError = {standard_error,
- {standard_error, start_link, []},
- temporary, 2000, supervisor, [user_sup]},
- User = {user,
- {user_sup, start, []},
- temporary, 2000, supervisor, [user_sup]},
-
+ SupFlags = #{strategy => one_for_all,
+ intensity => 0,
+ period => 1},
+
+ Config = #{id => kernel_config,
+ start => {kernel_config, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [kernel_config]},
+
+ Code = #{id => code_server,
+ start => {code, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [code]},
+
+ File = #{id => file_server_2,
+ start => {file_server, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [file, file_server, file_io_server, prim_file]},
+
+ StdError = #{id => standard_error,
+ start => {standard_error, start_link, []},
+ restart => temporary,
+ shutdown => 2000,
+ type => supervisor,
+ modules => [user_sup]},
+
+ User = #{id => user,
+ start => {user_sup, start, []},
+ restart => temporary,
+ shutdown => 2000,
+ type => supervisor,
+ modules => [user_sup]},
+
+ SafeSup = #{id => kernel_safe_sup,
+ start =>{supervisor, start_link, [{local, kernel_safe_sup}, ?MODULE, safe]},
+ restart => permanent,
+ shutdown => infinity,
+ type => supervisor,
+ modules => [?MODULE]},
+
case init:get_argument(mode) of
- {ok, [["minimal"]]} ->
- SafeSupervisor = {kernel_safe_sup,
- {supervisor, start_link,
- [{local, kernel_safe_sup}, ?MODULE, safe]},
- permanent, infinity, supervisor, [?MODULE]},
- {ok, {SupFlags,
- [Code, File, StdError, User,
- Config, SafeSupervisor]}};
- _ ->
- Rpc = {rex, {rpc, start_link, []},
- permanent, 2000, worker, [rpc]},
- Global = {global_name_server, {global, start_link, []},
- permanent, 2000, worker, [global]},
- Glo_grp = {global_group, {global_group,start_link,[]},
- permanent, 2000, worker, [global_group]},
- InetDb = {inet_db, {inet_db, start_link, []},
- permanent, 2000, worker, [inet_db]},
- NetSup = {net_sup, {erl_distribution, start_link, []},
- permanent, infinity, supervisor,[erl_distribution]},
- DistAC = start_dist_ac(),
-
- Timer = start_timer(),
-
- SafeSupervisor = {kernel_safe_sup,
- {supervisor, start_link,
- [{local, kernel_safe_sup}, ?MODULE, safe]},
- permanent, infinity, supervisor, [?MODULE]},
- {ok, {SupFlags,
- [Code, Rpc, Global, InetDb | DistAC] ++
- [NetSup, Glo_grp, File,
- StdError, User, Config, SafeSupervisor] ++ Timer}}
+ {ok, [["minimal"]]} ->
+ {ok, {SupFlags, [Code, File, StdError, User, Config, SafeSup]}};
+ _ ->
+ Rpc = #{id => rex,
+ start => {rpc, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [rpc]},
+
+ Global = #{id => global_name_server,
+ start => {global, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [global]},
+
+ GlGroup = #{id => global_group,
+ start => {global_group,start_link,[]},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [global_group]},
+
+ InetDb = #{id => inet_db,
+ start => {inet_db, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [inet_db]},
+
+ NetSup = #{id => net_sup,
+ start => {erl_distribution, start_link, []},
+ restart => permanent,
+ shutdown => infinity,
+ type => supervisor,
+ modules => [erl_distribution]},
+
+ SigSrv = #{id => erl_signal_server,
+ start => {gen_event, start_link, [{local, erl_signal_server}]},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => dynamic},
+
+ DistAC = start_dist_ac(),
+
+ Timer = start_timer(),
+
+ {ok, {SupFlags,
+ [Code, Rpc, Global, InetDb | DistAC] ++
+ [NetSup, GlGroup, File, SigSrv,
+ StdError, User, Config, SafeSup] ++ Timer}}
end;
init(safe) ->
- SupFlags = {one_for_one, 4, 3600},
+ SupFlags = #{strategy => one_for_one,
+ intensity => 4,
+ period => 3600},
+
Boot = start_boot_server(),
DiskLog = start_disk_log(),
Pg2 = start_pg2(),
@@ -159,60 +219,85 @@ init(safe) ->
{ok, {SupFlags, Boot ++ DiskLog ++ Pg2}}.
start_dist_ac() ->
- Spec = [{dist_ac,{dist_ac,start_link,[]},permanent,2000,worker,[dist_ac]}],
+ Spec = [#{id => dist_ac,
+ start => {dist_ac,start_link,[]},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [dist_ac]}],
case application:get_env(kernel, start_dist_ac) of
- {ok, true} -> Spec;
- {ok, false} -> [];
- undefined ->
- case application:get_env(kernel, distributed) of
- {ok, _} -> Spec;
- _ -> []
- end
+ {ok, true} -> Spec;
+ {ok, false} -> [];
+ undefined ->
+ case application:get_env(kernel, distributed) of
+ {ok, _} -> Spec;
+ _ -> []
+ end
end.
start_boot_server() ->
case application:get_env(kernel, start_boot_server) of
- {ok, true} ->
- Args = get_boot_args(),
- [{boot_server, {erl_boot_server, start_link, [Args]}, permanent,
- 1000, worker, [erl_boot_server]}];
- _ ->
- []
+ {ok, true} ->
+ Args = get_boot_args(),
+ [#{id => boot_server,
+ start => {erl_boot_server, start_link, [Args]},
+ restart => permanent,
+ shutdown => 1000,
+ type => worker,
+ modules => [erl_boot_server]}];
+ _ ->
+ []
end.
get_boot_args() ->
case application:get_env(kernel, boot_server_slaves) of
- {ok, Slaves} -> Slaves;
- _ -> []
+ {ok, Slaves} -> Slaves;
+ _ -> []
end.
start_disk_log() ->
case application:get_env(kernel, start_disk_log) of
- {ok, true} ->
- [{disk_log_server,
- {disk_log_server, start_link, []},
- permanent, 2000, worker, [disk_log_server]},
- {disk_log_sup, {disk_log_sup, start_link, []}, permanent,
- 1000, supervisor, [disk_log_sup]}];
- _ ->
- []
+ {ok, true} ->
+ [#{id => disk_log_server,
+ start => {disk_log_server, start_link, []},
+ restart => permanent,
+ shutdown => 2000,
+ type => worker,
+ modules => [disk_log_server]},
+ #{id => disk_log_sup,
+ start => {disk_log_sup, start_link, []},
+ restart => permanent,
+ shutdown => 1000,
+ type => supervisor,
+ modules => [disk_log_sup]}];
+ _ ->
+ []
end.
start_pg2() ->
case application:get_env(kernel, start_pg2) of
- {ok, true} ->
- [{pg2, {pg2, start_link, []}, permanent, 1000, worker, [pg2]}];
- _ ->
- []
+ {ok, true} ->
+ [#{id => pg2,
+ start => {pg2, start_link, []},
+ restart => permanent,
+ shutdown => 1000,
+ type => worker,
+ modules => [pg2]}];
+ _ ->
+ []
end.
start_timer() ->
case application:get_env(kernel, start_timer) of
- {ok, true} ->
- [{timer_server, {timer, start_link, []}, permanent, 1000, worker,
- [timer]}];
- _ ->
- []
+ {ok, true} ->
+ [#{id => timer_server,
+ start => {timer, start_link, []},
+ restart => permanent,
+ shutdown => 1000,
+ type => worker,
+ modules => [timer]}];
+ _ ->
+ []
end.
%%-----------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 14:41:01 +0000