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-rw-r--r--lib/stdlib/src/gen.erl121
-rw-r--r--lib/stdlib/src/gen_event.erl11
-rw-r--r--lib/stdlib/src/gen_fsm.erl85
-rw-r--r--lib/stdlib/src/gen_server.erl112
4 files changed, 119 insertions, 210 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl
index a05c2ce6fd..7dd02b84e7 100644
--- a/lib/stdlib/src/gen.erl
+++ b/lib/stdlib/src/gen.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. 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.
@@ -26,7 +26,8 @@
%%%
%%% The standard behaviour should export init_it/6.
%%%-----------------------------------------------------------------
--export([start/5, start/6, debug_options/1,
+-export([start/5, start/6, debug_options/2,
+ name/1, unregister_name/1, get_proc_name/1, get_parent/0,
call/3, call/4, reply/2, stop/1, stop/3]).
-export([init_it/6, init_it/7]).
@@ -124,7 +125,7 @@ init_it(GenMod, Starter, Parent, Mod, Args, Options) ->
init_it2(GenMod, Starter, Parent, self(), Mod, Args, Options).
init_it(GenMod, Starter, Parent, Name, Mod, Args, Options) ->
- case name_register(Name) of
+ case register_name(Name) of
true ->
init_it2(GenMod, Starter, Parent, Name, Mod, Args, Options);
{false, Pid} ->
@@ -297,19 +298,19 @@ where({global, Name}) -> global:whereis_name(Name);
where({via, Module, Name}) -> Module:whereis_name(Name);
where({local, Name}) -> whereis(Name).
-name_register({local, Name} = LN) ->
+register_name({local, Name} = LN) ->
try register(Name, self()) of
true -> true
catch
error:_ ->
{false, where(LN)}
end;
-name_register({global, Name} = GN) ->
+register_name({global, Name} = GN) ->
case global:register_name(Name, self()) of
yes -> true;
no -> {false, where(GN)}
end;
-name_register({via, Module, Name} = GN) ->
+register_name({via, Module, Name} = GN) ->
case Module:register_name(Name, self()) of
yes ->
true;
@@ -317,34 +318,108 @@ name_register({via, Module, Name} = GN) ->
{false, where(GN)}
end.
+name({local,Name}) -> Name;
+name({global,Name}) -> Name;
+name({via,_, Name}) -> Name;
+name(Pid) when is_pid(Pid) -> Pid.
+
+unregister_name({local,Name}) ->
+ try unregister(Name) of
+ _ -> ok
+ catch
+ _:_ -> ok
+ end;
+unregister_name({global,Name}) ->
+ _ = global:unregister_name(Name),
+ ok;
+unregister_name({via, Mod, Name}) ->
+ _ = Mod:unregister_name(Name),
+ ok;
+unregister_name(Pid) when is_pid(Pid) ->
+ ok.
+
+get_proc_name(Pid) when is_pid(Pid) ->
+ Pid;
+get_proc_name({local, Name}) ->
+ case process_info(self(), registered_name) of
+ {registered_name, Name} ->
+ Name;
+ {registered_name, _Name} ->
+ exit(process_not_registered);
+ [] ->
+ exit(process_not_registered)
+ end;
+get_proc_name({global, Name}) ->
+ case global:whereis_name(Name) of
+ undefined ->
+ exit(process_not_registered_globally);
+ Pid when Pid =:= self() ->
+ Name;
+ _Pid ->
+ exit(process_not_registered_globally)
+ end;
+get_proc_name({via, Mod, Name}) ->
+ case Mod:whereis_name(Name) of
+ undefined ->
+ exit({process_not_registered_via, Mod});
+ Pid when Pid =:= self() ->
+ Name;
+ _Pid ->
+ exit({process_not_registered_via, Mod})
+ end.
+
+get_parent() ->
+ case get('$ancestors') of
+ [Parent | _] when is_pid(Parent) ->
+ Parent;
+ [Parent | _] when is_atom(Parent) ->
+ name_to_pid(Parent);
+ _ ->
+ exit(process_was_not_started_by_proc_lib)
+ end.
+
+name_to_pid(Name) ->
+ case whereis(Name) of
+ undefined ->
+ case global:whereis_name(Name) of
+ undefined ->
+ exit(could_not_find_registered_name);
+ Pid ->
+ Pid
+ end;
+ Pid ->
+ Pid
+ end.
+
timeout(Options) ->
- case opt(timeout, Options) of
- {ok, Time} ->
+ case lists:keyfind(timeout, 1, Options) of
+ {_,Time} ->
Time;
- _ ->
+ false ->
infinity
end.
spawn_opts(Options) ->
- case opt(spawn_opt, Options) of
- {ok, Opts} ->
+ case lists:keyfind(spawn_opt, 1, Options) of
+ {_,Opts} ->
Opts;
- _ ->
+ false ->
[]
end.
-opt(Op, [{Op, Value}|_]) ->
- {ok, Value};
-opt(Op, [_|Options]) ->
- opt(Op, Options);
-opt(_, []) ->
- false.
-
-debug_options(Opts) ->
- case opt(debug, Opts) of
- {ok, Options} -> sys:debug_options(Options);
- _ -> []
+debug_options(Name, Opts) ->
+ case lists:keyfind(debug, 1, Opts) of
+ {_,Options} ->
+ try sys:debug_options(Options)
+ catch _:_ ->
+ error_logger:format(
+ "~p: ignoring erroneous debug options - ~p~n",
+ [Name,Options]),
+ []
+ end;
+ false ->
+ []
end.
format_status_header(TagLine, Pid) when is_pid(Pid) ->
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index 3d63c19de7..aedc0e7c59 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. 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.
@@ -147,16 +147,11 @@ init_it(Starter, self, Name, Mod, Args, Options) ->
init_it(Starter, self(), Name, Mod, Args, Options);
init_it(Starter, Parent, Name0, _, _, Options) ->
process_flag(trap_exit, true),
- Debug = gen:debug_options(Options),
+ Name = gen:name(Name0),
+ Debug = gen:debug_options(Name, Options),
proc_lib:init_ack(Starter, {ok, self()}),
- Name = name(Name0),
loop(Parent, Name, [], Debug, false).
-name({local,Name}) -> Name;
-name({global,Name}) -> Name;
-name({via,_, Name}) -> Name;
-name(Pid) when is_pid(Pid) -> Pid.
-
-spec add_handler(emgr_ref(), handler(), term()) -> term().
add_handler(M, Handler, Args) -> rpc(M, {add_handler, Handler, Args}).
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index 7eabb95548..77d41c0652 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. 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.
@@ -305,64 +305,11 @@ enter_loop(Mod, Options, StateName, StateData, Timeout) ->
enter_loop(Mod, Options, StateName, StateData, self(), Timeout).
enter_loop(Mod, Options, StateName, StateData, ServerName, Timeout) ->
- Name = get_proc_name(ServerName),
- Parent = get_parent(),
- Debug = gen:debug_options(Options),
+ Name = gen:get_proc_name(ServerName),
+ Parent = gen:get_parent(),
+ Debug = gen:debug_options(Name, Options),
loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug).
-get_proc_name(Pid) when is_pid(Pid) ->
- Pid;
-get_proc_name({local, Name}) ->
- case process_info(self(), registered_name) of
- {registered_name, Name} ->
- Name;
- {registered_name, _Name} ->
- exit(process_not_registered);
- [] ->
- exit(process_not_registered)
- end;
-get_proc_name({global, Name}) ->
- case global:whereis_name(Name) of
- undefined ->
- exit(process_not_registered_globally);
- Pid when Pid =:= self() ->
- Name;
- _Pid ->
- exit(process_not_registered_globally)
- end;
-get_proc_name({via, Mod, Name}) ->
- case Mod:whereis_name(Name) of
- undefined ->
- exit({process_not_registered_via, Mod});
- Pid when Pid =:= self() ->
- Name;
- _Pid ->
- exit({process_not_registered_via, Mod})
- end.
-
-get_parent() ->
- case get('$ancestors') of
- [Parent | _] when is_pid(Parent) ->
- Parent;
- [Parent | _] when is_atom(Parent) ->
- name_to_pid(Parent);
- _ ->
- exit(process_was_not_started_by_proc_lib)
- end.
-
-name_to_pid(Name) ->
- case whereis(Name) of
- undefined ->
- case global:whereis_name(Name) of
- undefined ->
- exit(could_not_find_registered_name);
- Pid ->
- Pid
- end;
- Pid ->
- Pid
- end.
-
%%% ---------------------------------------------------
%%% Initiate the new process.
%%% Register the name using the Rfunc function
@@ -373,8 +320,8 @@ name_to_pid(Name) ->
init_it(Starter, self, Name, Mod, Args, Options) ->
init_it(Starter, self(), Name, Mod, Args, Options);
init_it(Starter, Parent, Name0, Mod, Args, Options) ->
- Name = name(Name0),
- Debug = gen:debug_options(Options),
+ Name = gen:name(Name0),
+ Debug = gen:debug_options(Name, Options),
case catch Mod:init(Args) of
{ok, StateName, StateData} ->
proc_lib:init_ack(Starter, {ok, self()}),
@@ -383,15 +330,15 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) ->
proc_lib:init_ack(Starter, {ok, self()}),
loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug);
{stop, Reason} ->
- unregister_name(Name0),
+ gen:unregister_name(Name0),
proc_lib:init_ack(Starter, {error, Reason}),
exit(Reason);
ignore ->
- unregister_name(Name0),
+ gen:unregister_name(Name0),
proc_lib:init_ack(Starter, ignore),
exit(normal);
{'EXIT', Reason} ->
- unregister_name(Name0),
+ gen:unregister_name(Name0),
proc_lib:init_ack(Starter, {error, Reason}),
exit(Reason);
Else ->
@@ -400,20 +347,6 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) ->
exit(Error)
end.
-name({local,Name}) -> Name;
-name({global,Name}) -> Name;
-name({via,_, Name}) -> Name;
-name(Pid) when is_pid(Pid) -> Pid.
-
-unregister_name({local,Name}) ->
- _ = (catch unregister(Name));
-unregister_name({global,Name}) ->
- _ = global:unregister_name(Name);
-unregister_name({via, Mod, Name}) ->
- _ = Mod:unregister_name(Name);
-unregister_name(Pid) when is_pid(Pid) ->
- Pid.
-
%%-----------------------------------------------------------------
%% The MAIN loop
%%-----------------------------------------------------------------
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index c58b1de609..6aaefbbbfe 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. 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.
@@ -304,9 +304,9 @@ enter_loop(Mod, Options, State, Timeout) ->
enter_loop(Mod, Options, State, self(), Timeout).
enter_loop(Mod, Options, State, ServerName, Timeout) ->
- Name = get_proc_name(ServerName),
- Parent = get_parent(),
- Debug = debug_options(Name, Options),
+ Name = gen:get_proc_name(ServerName),
+ Parent = gen:get_parent(),
+ Debug = gen:debug_options(Name, Options),
loop(Parent, Name, State, Mod, Timeout, Debug).
%%%========================================================================
@@ -323,8 +323,8 @@ enter_loop(Mod, Options, State, ServerName, Timeout) ->
init_it(Starter, self, Name, Mod, Args, Options) ->
init_it(Starter, self(), Name, Mod, Args, Options);
init_it(Starter, Parent, Name0, Mod, Args, Options) ->
- Name = name(Name0),
- Debug = debug_options(Name, Options),
+ Name = gen:name(Name0),
+ Debug = gen:debug_options(Name, Options),
case catch Mod:init(Args) of
{ok, State} ->
proc_lib:init_ack(Starter, {ok, self()}),
@@ -339,15 +339,15 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) ->
%% (Otherwise, the parent process could get
%% an 'already_started' error if it immediately
%% tried starting the process again.)
- unregister_name(Name0),
+ gen:unregister_name(Name0),
proc_lib:init_ack(Starter, {error, Reason}),
exit(Reason);
ignore ->
- unregister_name(Name0),
+ gen:unregister_name(Name0),
proc_lib:init_ack(Starter, ignore),
exit(normal);
{'EXIT', Reason} ->
- unregister_name(Name0),
+ gen:unregister_name(Name0),
proc_lib:init_ack(Starter, {error, Reason}),
exit(Reason);
Else ->
@@ -356,20 +356,6 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) ->
exit(Error)
end.
-name({local,Name}) -> Name;
-name({global,Name}) -> Name;
-name({via,_, Name}) -> Name;
-name(Pid) when is_pid(Pid) -> Pid.
-
-unregister_name({local,Name}) ->
- _ = (catch unregister(Name));
-unregister_name({global,Name}) ->
- _ = global:unregister_name(Name);
-unregister_name({via, Mod, Name}) ->
- _ = Mod:unregister_name(Name);
-unregister_name(Pid) when is_pid(Pid) ->
- Pid.
-
%%%========================================================================
%%% Internal functions
%%%========================================================================
@@ -858,86 +844,6 @@ error_info(Reason, Name, Msg, State, Debug) ->
sys:print_log(Debug),
ok.
-%%% ---------------------------------------------------
-%%% Misc. functions.
-%%% ---------------------------------------------------
-
-opt(Op, [{Op, Value}|_]) ->
- {ok, Value};
-opt(Op, [_|Options]) ->
- opt(Op, Options);
-opt(_, []) ->
- false.
-
-debug_options(Name, Opts) ->
- case opt(debug, Opts) of
- {ok, Options} -> dbg_opts(Name, Options);
- _ -> []
- end.
-
-dbg_opts(Name, Opts) ->
- case catch sys:debug_options(Opts) of
- {'EXIT',_} ->
- format("~p: ignoring erroneous debug options - ~p~n",
- [Name, Opts]),
- [];
- Dbg ->
- Dbg
- end.
-
-get_proc_name(Pid) when is_pid(Pid) ->
- Pid;
-get_proc_name({local, Name}) ->
- case process_info(self(), registered_name) of
- {registered_name, Name} ->
- Name;
- {registered_name, _Name} ->
- exit(process_not_registered);
- [] ->
- exit(process_not_registered)
- end;
-get_proc_name({global, Name}) ->
- case global:whereis_name(Name) of
- undefined ->
- exit(process_not_registered_globally);
- Pid when Pid =:= self() ->
- Name;
- _Pid ->
- exit(process_not_registered_globally)
- end;
-get_proc_name({via, Mod, Name}) ->
- case Mod:whereis_name(Name) of
- undefined ->
- exit({process_not_registered_via, Mod});
- Pid when Pid =:= self() ->
- Name;
- _Pid ->
- exit({process_not_registered_via, Mod})
- end.
-
-get_parent() ->
- case get('$ancestors') of
- [Parent | _] when is_pid(Parent)->
- Parent;
- [Parent | _] when is_atom(Parent)->
- name_to_pid(Parent);
- _ ->
- exit(process_was_not_started_by_proc_lib)
- end.
-
-name_to_pid(Name) ->
- case whereis(Name) of
- undefined ->
- case global:whereis_name(Name) of
- undefined ->
- exit(could_not_find_registered_name);
- Pid ->
- Pid
- end;
- Pid ->
- Pid
- end.
-
%%-----------------------------------------------------------------
%% Status information
%%-----------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 14:45:05 +0000