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authorKostis Sagonas <kostis@cs.ntua.gr>2010-03-05 09:05:52 +0100
committerBjörn Gustavsson <bjorn@erlang.org>2010-03-07 13:26:34 +0100
commitda70b2b0eca09f572e3275240ba60f1da6b679c4 (patch)
tree234ff94e9f9e0bd6c85c4e6f51cf2acd644903bd /lib/kernel
parent02112d8dba5b40cd0adb7ecb2b2ed4340594369f (diff)
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kernel: Add types and specs
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/src/application_controller.erl33
-rw-r--r--lib/kernel/src/auth.erl42
-rw-r--r--lib/kernel/src/code_server.erl18
-rw-r--r--lib/kernel/src/erl_boot_server.erl16
-rw-r--r--lib/kernel/src/erl_epmd.erl16
-rw-r--r--lib/kernel/src/file_server.erl23
-rw-r--r--lib/kernel/src/inet_db.erl17
-rw-r--r--lib/kernel/src/inet_gethost_native.erl10
-rw-r--r--lib/kernel/src/kernel_config.erl13
-rw-r--r--lib/kernel/src/rpc.erl26
-rw-r--r--lib/kernel/src/standard_error.erl6
11 files changed, 198 insertions, 22 deletions
diff --git a/lib/kernel/src/application_controller.erl b/lib/kernel/src/application_controller.erl
index 7c1f059875..6b9ba255f7 100644
--- a/lib/kernel/src/application_controller.erl
+++ b/lib/kernel/src/application_controller.erl
@@ -128,8 +128,13 @@
%% AppName = atom()
%% Application = App | AppName
%%-----------------------------------------------------------------
+
+-type appname() :: atom().
+
-record(state, {loading = [], starting = [], start_p_false = [], running = [],
control = [], started = [], start_req = [], conf_data}).
+-type state() :: #state{}.
+
%%-----------------------------------------------------------------
%% loading = [{AppName, From}] - Load not yet finished
%% starting = [{AppName, RestartType, Type, From}] - Start not
@@ -604,6 +609,19 @@ check_para([Else | _ParaList], AppName) ->
lists:flatten(io_lib:format("~p",[Else]))}.
+-type calls() :: 'info' | 'prep_config_change' | 'which_applications'
+ | {'config_change' | 'control_application' |
+ 'load_application' | 'start_type' | 'stop_application' |
+ 'unload_application', term()}
+ | {'change_application_data', _, _}
+ | {'permit_application', atom() | {'application',atom(),_},_}
+ | {'start_application', _, _}
+ | {'unset_env', _, _}
+ | {'set_env', _, _, _}.
+
+-spec handle_call(calls(), {pid(), term()}, state()) ->
+ {'noreply', state()} | {'reply', term(), state()}.
+
handle_call({load_application, Application}, From, S) ->
case catch do_load_application(Application, S) of
{ok, NewS} ->
@@ -885,6 +903,9 @@ handle_call(info, _From, S) ->
{starting, S#state.starting}],
{reply, Reply, S}.
+-spec handle_cast({'application_started', appname(), _}, state()) ->
+ {'noreply', state()} | {'stop', string(), state()}.
+
handle_cast({application_started, AppName, Res}, S) ->
handle_application_started(AppName, Res, S).
@@ -977,6 +998,9 @@ handle_application_started(AppName, Res, S) ->
{stop, to_string(Reason), S}
end.
+-spec handle_info(term(), state()) ->
+ {'noreply', state()} | {'stop', string(), state()}.
+
handle_info({ac_load_application_reply, AppName, Res}, S) ->
case keysearchdelete(AppName, 1, S#state.loading) of
{value, {_AppName, From}, Loading} ->
@@ -1155,6 +1179,8 @@ handle_info({'EXIT', Pid, Reason}, S) ->
handle_info(_, S) ->
{noreply, S}.
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(Reason, S) ->
case application:get_env(kernel, shutdown_func) of
{ok, {M, F}} ->
@@ -1170,8 +1196,10 @@ terminate(Reason, S) ->
(_) -> ok
end,
S#state.running),
- ets:delete(ac_tab).
+ true = ets:delete(ac_tab),
+ ok.
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
@@ -1937,6 +1965,9 @@ test_make_apps([A|Apps], Res) ->
%% Exit reason needs to be a printable string
%% (and of length <200, but init now does the chopping).
%%-----------------------------------------------------------------
+
+-spec to_string(term()) -> string().
+
to_string(Term) ->
case io_lib:printable_list(Term) of
true ->
diff --git a/lib/kernel/src/auth.erl b/lib/kernel/src/auth.erl
index 62c0bef0cc..449ef5bf95 100644
--- a/lib/kernel/src/auth.erl
+++ b/lib/kernel/src/auth.erl
@@ -37,10 +37,12 @@
-define(COOKIE_ETS_PROTECTION, protected).
+-type cookie() :: atom().
-record(state, {
- our_cookie, %% Our own cookie
- other_cookies %% The send-cookies of other nodes
+ our_cookie :: cookie(), %% Our own cookie
+ other_cookies :: ets:tab() %% The send-cookies of other nodes
}).
+-type state() :: #state{}.
-include("../include/file.hrl").
@@ -61,24 +63,24 @@ is_auth(Node) ->
pang -> no
end.
--spec cookie() -> atom().
+-spec cookie() -> cookie().
cookie() ->
get_cookie().
--spec cookie(Cookies :: [atom(),...] | atom()) -> 'true'.
+-spec cookie(Cookies :: [cookie(),...] | cookie()) -> 'true'.
cookie([Cookie]) ->
set_cookie(Cookie);
cookie(Cookie) ->
set_cookie(Cookie).
--spec node_cookie(Cookies :: [atom(),...]) -> 'yes' | 'no'.
+-spec node_cookie(Cookies :: [node() | cookie(),...]) -> 'yes' | 'no'.
node_cookie([Node, Cookie]) ->
node_cookie(Node, Cookie).
--spec node_cookie(Node :: node(), Cookie :: atom()) -> 'yes' | 'no'.
+-spec node_cookie(Node :: node(), Cookie :: cookie()) -> 'yes' | 'no'.
node_cookie(Node, Cookie) ->
set_cookie(Node, Cookie),
@@ -86,24 +88,24 @@ node_cookie(Node, Cookie) ->
%%--"New" interface-----------------------------------------------------
--spec get_cookie() -> atom().
+-spec get_cookie() -> 'nocookie' | cookie().
get_cookie() ->
get_cookie(node()).
--spec get_cookie(Node :: node()) -> atom().
+-spec get_cookie(Node :: node()) -> 'nocookie' | cookie().
get_cookie(_Node) when node() =:= nonode@nohost ->
nocookie;
get_cookie(Node) ->
gen_server:call(auth, {get_cookie, Node}).
--spec set_cookie(Cookie :: atom()) -> 'true'.
+-spec set_cookie(Cookie :: cookie()) -> 'true'.
set_cookie(Cookie) ->
set_cookie(node(), Cookie).
--spec set_cookie(Node :: node(), Cookie :: atom()) -> 'true'.
+-spec set_cookie(Node :: node(), Cookie :: cookie()) -> 'true'.
set_cookie(_Node, _Cookie) when node() =:= nonode@nohost ->
erlang:error(distribution_not_started);
@@ -122,6 +124,8 @@ print(Node,Format,Args) ->
%%--gen_server callbacks------------------------------------------------
+-spec init([]) -> {'ok', state()}.
+
init([]) ->
process_flag(trap_exit, true),
{ok, init_cookie()}.
@@ -130,6 +134,11 @@ init([]) ->
%% The net kernel will let all message to the auth server
%% through as is
+-type calls() :: 'echo' | 'sync_cookie' | {'set_cookie', node(), term()}.
+
+-spec handle_call(calls(), {pid(), term()}, state()) ->
+ {'reply', 'hello' | 'true' | 'nocookie' | cookie(), state()}.
+
handle_call({get_cookie, Node}, {_From,_Tag}, State) when Node =:= node() ->
{reply, State#state.our_cookie, State};
handle_call({get_cookie, Node}, {_From,_Tag}, State) ->
@@ -164,6 +173,13 @@ handle_call(sync_cookie, _From, State) ->
handle_call(echo, _From, O) ->
{reply, hello, O}.
+%%
+%% handle_cast/2
+%%
+
+-spec handle_cast({'print', string(), [term()]}, state()) ->
+ {'noreply', state()}.
+
handle_cast({print,What,Args}, O) ->
%% always allow print outs
error_logger:error_msg(What,Args),
@@ -171,6 +187,8 @@ handle_cast({print,What,Args}, O) ->
%% A series of bad messages that may come (from older distribution versions).
+-spec handle_info(term(), state()) -> {'noreply', state()}.
+
handle_info({From,badcookie,net_kernel,{From,spawn,_M,_F,_A,_Gleader}}, O) ->
auth:print(node(From) ,"~n** Unauthorized spawn attempt to ~w **~n",
[node()]),
@@ -218,9 +236,13 @@ handle_info({From,badcookie,Name,Mess}, Opened) ->
handle_info(_, O)-> % Ignore anything else especially EXIT signals
{noreply, O}.
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
+
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_Reason, _State) ->
ok.
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl
index 7aeddb73d1..2bc93b8238 100644
--- a/lib/kernel/src/code_server.erl
+++ b/lib/kernel/src/code_server.erl
@@ -32,14 +32,15 @@
-import(lists, [foreach/2]).
--record(state,{supervisor,
- root,
- path,
- moddb,
- namedb,
- cache = no_cache,
- mode=interactive,
- on_load = []}).
+-record(state, {supervisor,
+ root,
+ path,
+ moddb,
+ namedb,
+ cache = no_cache,
+ mode = interactive,
+ on_load = []}).
+-type state() :: #state{}.
start_link(Args) ->
Ref = make_ref(),
@@ -221,6 +222,7 @@ system_terminate(_Reason, _Parent, _Debug, _State) ->
% error_msg("~p terminating: ~p~n ",[?MODULE,Reason]),
exit(shutdown).
+-spec system_code_change(state(), module(), term(), term()) -> {'ok', state()}.
system_code_change(State, _Module, _OldVsn, _Extra) ->
{ok, State}.
diff --git a/lib/kernel/src/erl_boot_server.erl b/lib/kernel/src/erl_boot_server.erl
index 702b2feac9..714841436c 100644
--- a/lib/kernel/src/erl_boot_server.erl
+++ b/lib/kernel/src/erl_boot_server.erl
@@ -53,6 +53,7 @@
bootp :: pid(), %% boot process
prim_state %% state for efile code loader
}).
+-type state() :: #state{}.
-define(single_addr_mask, {255, 255, 255, 255}).
@@ -165,6 +166,8 @@ member_address(_, []) ->
%% call-back functions.
%% ------------------------------------------------------------
+-spec init([atom()]) -> {'ok', state()}.
+
init(Slaves) ->
{ok, U} = gen_udp:open(?EBOOT_PORT, []),
{ok, L} = gen_tcp:listen(0, [binary,{packet,4}]),
@@ -186,6 +189,9 @@ init(Slaves) ->
bootp = Pid
}}.
+-spec handle_call('which' | {'add',atom()} | {'delete',atom()}, _, state()) ->
+ {'reply', 'ok' | [atom()], state()}.
+
handle_call({add,Address}, _, S0) ->
Slaves = ordsets:add_element(Address, S0#state.slaves),
S0#state.bootp ! {slaves, Slaves},
@@ -197,9 +203,13 @@ handle_call({delete,Address}, _, S0) ->
handle_call(which, _, S0) ->
{reply, ordsets:to_list(S0#state.slaves), S0}.
+-spec handle_cast(term(), [atom()]) -> {'noreply', [atom()]}.
+
handle_cast(_, Slaves) ->
{noreply, Slaves}.
+-spec handle_info(term(), state()) -> {'noreply', state()}.
+
handle_info({udp, U, IP, Port, Data}, S0) ->
Token = ?EBOOT_REQUEST ++ S0#state.version,
Valid = member_address(IP, ordsets:to_list(S0#state.slaves)),
@@ -230,9 +240,13 @@ handle_info({udp, U, IP, Port, Data}, S0) ->
handle_info(_Info, S0) ->
{noreply,S0}.
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_Reason, _S0) ->
ok.
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
+
code_change(_Vsn, State, _Extra) ->
{ok, State}.
@@ -242,6 +256,8 @@ code_change(_Vsn, State, _Extra) ->
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec boot_init(reference()) -> no_return().
+
boot_init(Tag) ->
receive
{Tag, Listen} ->
diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl
index e4b371836b..c2c796c1f7 100644
--- a/lib/kernel/src/erl_epmd.erl
+++ b/lib/kernel/src/erl_epmd.erl
@@ -40,6 +40,7 @@
-import(lists, [reverse/1]).
-record(state, {socket, port_no = -1, name = ""}).
+-type state() :: #state{}.
-include("inet_int.hrl").
-include("erl_epmd.hrl").
@@ -111,11 +112,18 @@ register_node(Name, PortNo) ->
%%% Callback functions from gen_server
%%%----------------------------------------------------------------------
+-spec init(_) -> {'ok', state()}.
+
init(_) ->
{ok, #state{socket = -1}}.
%%----------------------------------------------------------------------
+-type calls() :: 'client_info_req' | 'stop' | {'register', term(), term()}.
+
+-spec handle_call(calls(), term(), state()) ->
+ {'reply', term(), state()} | {'stop', 'shutdown', 'ok', state()}.
+
handle_call({register, Name, PortNo}, _From, State) ->
case State#state.socket of
P when P < 0 ->
@@ -141,11 +149,15 @@ handle_call(stop, _From, State) ->
%%----------------------------------------------------------------------
+-spec handle_cast(term(), state()) -> {'noreply', state()}.
+
handle_cast(_, State) ->
{noreply, State}.
%%----------------------------------------------------------------------
+-spec handle_info(term(), state()) -> {'noreply', state()}.
+
handle_info({tcp_closed, Socket}, State) when State#state.socket =:= Socket ->
{noreply, State#state{socket = -1}};
handle_info(_, State) ->
@@ -153,6 +165,8 @@ handle_info(_, State) ->
%%----------------------------------------------------------------------
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_, #state{socket = Socket}) when Socket > 0 ->
close(Socket),
ok;
@@ -161,6 +175,8 @@ terminate(_, _) ->
%%----------------------------------------------------------------------
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
+
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
diff --git a/lib/kernel/src/file_server.erl b/lib/kernel/src/file_server.erl
index 74f2fb94a9..665e0e3196 100644
--- a/lib/kernel/src/file_server.erl
+++ b/lib/kernel/src/file_server.erl
@@ -62,6 +62,8 @@ stop() ->
%%% Callback functions from gen_server
%%%----------------------------------------------------------------------
+-type state() :: port(). % Internal type
+
%%----------------------------------------------------------------------
%% Func: init/1
%% Returns: {ok, State} |
@@ -69,6 +71,9 @@ stop() ->
%% ignore |
%% {stop, Reason}
%%----------------------------------------------------------------------
+
+-spec init([]) -> {'ok', state()} | {'stop', term()}.
+
init([]) ->
process_flag(trap_exit, true),
case ?PRIM_FILE:start() of
@@ -88,6 +93,12 @@ init([]) ->
%% {stop, Reason, Reply, State} | (terminate/2 is called)
%% {stop, Reason, State} (terminate/2 is called)
%%----------------------------------------------------------------------
+
+-spec handle_call(term(), term(), state()) ->
+ {'noreply', state()} |
+ {'reply', 'eof' | 'ok' | {'error', term()} | {'ok', term()}, state()} |
+ {'stop', 'normal', 'stopped', state()}.
+
handle_call({open, Name, ModeList}, {Pid, _Tag} = _From, Handle)
when is_list(ModeList) ->
Child = ?FILE_IO_SERVER:start_link(Pid, Name, ModeList),
@@ -190,6 +201,9 @@ handle_call(Request, From, Handle) ->
%% {noreply, State, Timeout} |
%% {stop, Reason, State} (terminate/2 is called)
%%----------------------------------------------------------------------
+
+-spec handle_cast(term(), state()) -> {'noreply', state()}.
+
handle_cast(Msg, State) ->
error_logger:error_msg("handle_cast(~p, _)", [Msg]),
{noreply, State}.
@@ -201,6 +215,9 @@ handle_cast(Msg, State) ->
%% {stop, Reason, State} (terminate/2 is called)
%%----------------------------------------------------------------------
+-spec handle_info(term(), state()) ->
+ {'noreply', state()} | {'stop', 'normal', state()}.
+
handle_info({'EXIT', Pid, _Reason}, Handle) when is_pid(Pid) ->
ets:delete(?FILE_IO_SERVER_TABLE, Pid),
{noreply, Handle};
@@ -219,6 +236,9 @@ handle_info(Info, State) ->
%% Purpose: Shutdown the server
%% Returns: any (ignored by gen_server)
%%----------------------------------------------------------------------
+
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_Reason, Handle) ->
?PRIM_FILE:stop(Handle).
@@ -227,6 +247,9 @@ terminate(_Reason, Handle) ->
%% Purpose: Convert process state when code is changed
%% Returns: {ok, NewState}
%%----------------------------------------------------------------------
+
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
+
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl
index a05b380855..ec95620cc0 100644
--- a/lib/kernel/src/inet_db.erl
+++ b/lib/kernel/src/inet_db.erl
@@ -88,6 +88,7 @@
hosts_file_byaddr, %% hosts table from system file
cache_timer %% timer reference for refresh
}).
+-type state() :: #state{}.
-include("inet.hrl").
-include("inet_int.hrl").
@@ -844,6 +845,9 @@ lookup_socket(Socket) when is_port(Socket) ->
%% node_auth Ls - Default authenication
%% node_crypt Ls - Default encryption
%%
+
+-spec init([]) -> {'ok', state()}.
+
init([]) ->
process_flag(trap_exit, true),
Db = ets:new(inet_db, [public, named_table]),
@@ -897,6 +901,10 @@ reset_db(Db) ->
%% {stop, Reason, Reply, State} | (terminate/2 is called)
%% {stop, Reason, Reply, State} (terminate/2 is called)
%%----------------------------------------------------------------------
+
+-spec handle_call(term(), {pid(), term()}, state()) ->
+ {'reply', term(), state()} | {'stop', 'normal', 'ok', state()}.
+
handle_call(Request, From, #state{db=Db}=State) ->
case Request of
{load_hosts_file,IPNmAs} when is_list(IPNmAs) ->
@@ -1145,6 +1153,9 @@ handle_call(Request, From, #state{db=Db}=State) ->
%% {noreply, State, Timeout} |
%% {stop, Reason, State} (terminate/2 is called)
%%----------------------------------------------------------------------
+
+-spec handle_cast(term(), state()) -> {'noreply', state()}.
+
handle_cast(_Msg, State) ->
{noreply, State}.
@@ -1154,6 +1165,9 @@ handle_cast(_Msg, State) ->
%% {noreply, State, Timeout} |
%% {stop, Reason, State} (terminate/2 is called)
%%----------------------------------------------------------------------
+
+-spec handle_info(term(), state()) -> {'noreply', state()}.
+
handle_info(refresh_timeout, State) ->
do_refresh_cache(State#state.cache),
{noreply, State#state{cache_timer = init_timer()}};
@@ -1166,6 +1180,9 @@ handle_info(_Info, State) ->
%% Purpose: Shutdown the server
%% Returns: any (ignored by gen_server)
%%----------------------------------------------------------------------
+
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_Reason, State) ->
stop_timer(State#state.cache_timer),
ok.
diff --git a/lib/kernel/src/inet_gethost_native.erl b/lib/kernel/src/inet_gethost_native.erl
index fabe9bf8b3..b7b3007b99 100644
--- a/lib/kernel/src/inet_gethost_native.erl
+++ b/lib/kernel/src/inet_gethost_native.erl
@@ -106,8 +106,11 @@
pool_size = 4, % Number of C processes in pool.
statistics % Statistics record (records error causes).
}).
+-type state() :: #state{}.
%% The supervisor bridge code
+-spec init([]) -> {'ok', pid(), pid()} | {'error', term()}.
+
init([]) -> % Called by supervisor_bridge:start_link
Ref = make_ref(),
SaveTE = process_flag(trap_exit,true),
@@ -154,8 +157,10 @@ run_once() ->
Pid ! {R,{error,timeout}}
end.
-terminate(_Reason,Pid) ->
- (catch exit(Pid,kill)),
+-spec terminate(term(), pid()) -> 'ok'.
+
+terminate(_Reason, Pid) ->
+ (catch exit(Pid, kill)),
ok.
%%-----------------------------------------------------------------------
@@ -431,6 +436,7 @@ system_continue(_Parent, _, State) ->
system_terminate(Reason, _Parent, _, _State) ->
exit(Reason).
+-spec system_code_change(state(), module(), term(), term()) -> {'ok', state()}.
system_code_change(State, _Module, _OldVsn, _Extra) ->
{ok, State}. %% Nothing to do in this version.
diff --git a/lib/kernel/src/kernel_config.erl b/lib/kernel/src/kernel_config.erl
index e5e9a0498d..d34e3fc0a7 100644
--- a/lib/kernel/src/kernel_config.erl
+++ b/lib/kernel/src/kernel_config.erl
@@ -40,6 +40,9 @@ start_link() -> gen_server:start_link(kernel_config, [], []).
%%-----------------------------------------------------------------
%% Callback functions from gen_server
%%-----------------------------------------------------------------
+
+-spec init([]) -> {'ok', []} | {'stop', term()}.
+
init([]) ->
process_flag(trap_exit, true),
case sync_nodes() of
@@ -59,18 +62,28 @@ init([]) ->
{stop, Error}
end.
+-spec handle_info(term(), State) -> {'noreply', State}.
+
handle_info(_, State) ->
{noreply, State}.
+-spec terminate(term(), term()) -> 'ok'.
+
terminate(_Reason, _State) ->
ok.
+-spec handle_call(term(), term(), State) -> {'reply', 'ok', State}.
+
handle_call('__not_used', _From, State) ->
{reply, ok, State}.
+-spec handle_cast(term(), State) -> {'noreply', State}.
+
handle_cast('__not_used', State) ->
{noreply, State}.
+-spec code_change(term(), State, term()) -> {'ok', State}.
+
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl
index d69f2a12ad..8c0dc65ca7 100644
--- a/lib/kernel/src/rpc.erl
+++ b/lib/kernel/src/rpc.erl
@@ -64,25 +64,41 @@
%%------------------------------------------------------------------------
+-type state() :: gb_tree().
+
+%%------------------------------------------------------------------------
+
%% Remote execution and broadcasting facility
+-spec start() -> {'ok', pid()} | 'ignore' | {'error', term()}.
+
start() ->
gen_server:start({local,?NAME},?MODULE,[],[]).
+-spec start_link() -> {'ok', pid()} | 'ignore' | {'error', term()}.
+
start_link() ->
gen_server:start_link({local,?NAME},?MODULE,[],[]).
+-spec stop() -> term().
+
stop() ->
stop(?NAME).
stop(Rpc) ->
gen_server:call(Rpc, stop, infinity).
--spec init([]) -> {'ok', gb_tree()}.
+-spec init([]) -> {'ok', state()}.
+
init([]) ->
process_flag(trap_exit, true),
{ok, gb_trees:empty()}.
+-spec handle_call(term(), term(), state()) ->
+ {'noreply', state()} |
+ {'reply', term(), state()} |
+ {'stop', 'normal', 'stopped', state()}.
+
handle_call({call, Mod, Fun, Args, Gleader}, To, S) ->
handle_call_call(Mod, Fun, Args, Gleader, To, S);
handle_call({block_call, Mod, Fun, Args, Gleader}, _To, S) ->
@@ -102,6 +118,7 @@ handle_call(stop, _To, S) ->
handle_call(_, _To, S) ->
{noreply, S}. % Ignore !
+-spec handle_cast(term(), state()) -> {'noreply', state()}.
handle_cast({cast, Mod, Fun, Args, Gleader}, S) ->
spawn(
@@ -113,6 +130,7 @@ handle_cast({cast, Mod, Fun, Args, Gleader}, S) ->
handle_cast(_, S) ->
{noreply, S}. % Ignore !
+-spec handle_info(term(), state()) -> {'noreply', state()}.
handle_info({'DOWN', _, process, Caller, Reason}, S) ->
case gb_trees:lookup(Caller, S) of
@@ -160,9 +178,13 @@ handle_info({From, {call,Mod,Fun,Args,Gleader}}, S) ->
handle_info(_, S) ->
{noreply,S}.
+-spec terminate(term(), state()) -> 'ok'.
+
terminate(_, _S) ->
ok.
+-spec code_change(term(), state(), term()) -> {'ok', state()}.
+
code_change(_, S, _) ->
{ok, S}.
@@ -226,6 +248,8 @@ proxy_user_loop() ->
undefined -> proxy_user_loop()
end.
+-spec proxy_user_flush() -> no_return().
+
proxy_user_flush() ->
%% Forward all received messages to 'user'
receive Msg ->
diff --git a/lib/kernel/src/standard_error.erl b/lib/kernel/src/standard_error.erl
index 73901d9896..039b5c4884 100644
--- a/lib/kernel/src/standard_error.erl
+++ b/lib/kernel/src/standard_error.erl
@@ -33,13 +33,19 @@
%%
%% The basic server and start-up.
%%
+-spec start_link() -> 'ignore' | {'error',term()} | {'ok',pid()}.
+
start_link() ->
supervisor_bridge:start_link({local, ?PROCNAME_SUP}, ?MODULE, []).
+-spec terminate(term(), pid()) -> 'ok'.
+
terminate(_Reason,Pid) ->
(catch exit(Pid,kill)),
ok.
+-spec init([]) -> {'error','no_stderror'} | {'ok',pid(),pid()}.
+
init([]) ->
case (catch start_port([out,binary])) of
Pid when is_pid(Pid) ->