diff options
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r-- | lib/stdlib/src/gen.erl | 10 | ||||
-rw-r--r-- | lib/stdlib/src/gen_event.erl | 71 | ||||
-rw-r--r-- | lib/stdlib/src/gen_fsm.erl | 79 | ||||
-rw-r--r-- | lib/stdlib/src/gen_server.erl | 106 |
4 files changed, 149 insertions, 117 deletions
diff --git a/lib/stdlib/src/gen.erl b/lib/stdlib/src/gen.erl index 597830cf9a..90647f2cf4 100644 --- a/lib/stdlib/src/gen.erl +++ b/lib/stdlib/src/gen.erl @@ -26,7 +26,7 @@ %%% %%% The standard behaviour should export init_it/6. %%%----------------------------------------------------------------- --export([start/5, start/6, debug_options/2, +-export([start/5, start/6, debug_options/2, auto_hibernate_timeout/1, name/1, unregister_name/1, get_proc_name/1, get_parent/0, call/3, call/4, reply/2, stop/1, stop/3]). @@ -408,6 +408,14 @@ spawn_opts(Options) -> [] end. +auto_hibernate_timeout(Options) -> + case lists:keyfind(auto_hibernate_timeout, 1, Options) of + {_,AutoHibernateTimeout} -> + AutoHibernateTimeout; + false -> + infinity + end. + debug_options(Name, Opts) -> case lists:keyfind(debug, 1, Opts) of {_,Options} -> diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index 0c50b2aa08..7c15a40a4f 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -37,7 +37,7 @@ stop/1, stop/3, notify/2, sync_notify/2, add_handler/3, add_sup_handler/3, delete_handler/3, swap_handler/3, - swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/4]). + swap_sup_handler/3, which_handlers/1, call/3, call/4, wake_hib/5]). -export([init_it/6, system_continue/3, @@ -186,8 +186,9 @@ init_it(Starter, Parent, Name0, _, _, Options) -> process_flag(trap_exit, true), Name = gen:name(Name0), Debug = gen:debug_options(Name, Options), + AutoHibernateTimeout = gen:auto_hibernate_timeout(Options), proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, [], Debug, false). + loop(Parent, Name, [], AutoHibernateTimeout, Debug, false). -spec add_handler(emgr_ref(), handler(), term()) -> term(). add_handler(M, Handler, Args) -> rpc(M, {add_handler, Handler, Args}). @@ -264,81 +265,83 @@ send(M, Cmd) -> M ! Cmd, ok. -loop(Parent, ServerName, MSL, Debug, true) -> - proc_lib:hibernate(?MODULE, wake_hib, [Parent, ServerName, MSL, Debug]); -loop(Parent, ServerName, MSL, Debug, _) -> - fetch_msg(Parent, ServerName, MSL, Debug, false). +loop(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, true) -> + proc_lib:hibernate(?MODULE, wake_hib, [Parent, ServerName, MSL, AutoHibernateTimeout, Debug]); +loop(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, _) -> + fetch_msg(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, false). -wake_hib(Parent, ServerName, MSL, Debug) -> - fetch_msg(Parent, ServerName, MSL, Debug, true). +wake_hib(Parent, ServerName, MSL, AutoHibernateTimeout, Debug) -> + fetch_msg(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, true). -fetch_msg(Parent, ServerName, MSL, Debug, Hib) -> +fetch_msg(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, Hib) -> receive {system, From, Req} -> sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug, - [ServerName, MSL, Hib],Hib); + [ServerName, MSL, AutoHibernateTimeout, Hib],Hib); {'EXIT', Parent, Reason} -> terminate_server(Reason, Parent, MSL, ServerName); Msg when Debug =:= [] -> - handle_msg(Msg, Parent, ServerName, MSL, []); + handle_msg(Msg, Parent, ServerName, MSL, AutoHibernateTimeout, []); Msg -> Debug1 = sys:handle_debug(Debug, fun print_event/3, ServerName, {in, Msg}), - handle_msg(Msg, Parent, ServerName, MSL, Debug1) + handle_msg(Msg, Parent, ServerName, MSL, AutoHibernateTimeout, Debug1) + after AutoHibernateTimeout -> + proc_lib:hibernate(?MODULE, wake_hib, [Parent, ServerName, MSL, AutoHibernateTimeout, Debug]) end. -handle_msg(Msg, Parent, ServerName, MSL, Debug) -> +handle_msg(Msg, Parent, ServerName, MSL, AutoHibernateTimeout, Debug) -> case Msg of {notify, Event} -> {Hib,MSL1} = server_notify(Event, handle_event, MSL, ServerName), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {_From, Tag, {sync_notify, Event}} -> {Hib, MSL1} = server_notify(Event, handle_event, MSL, ServerName), reply(Tag, ok), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {'EXIT', From, Reason} -> MSL1 = handle_exit(From, Reason, MSL, ServerName), - loop(Parent, ServerName, MSL1, Debug, false); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, false); {_From, Tag, {call, Handler, Query}} -> {Hib, Reply, MSL1} = server_call(Handler, Query, MSL, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {_From, Tag, {add_handler, Handler, Args}} -> {Hib, Reply, MSL1} = server_add_handler(Handler, Args, MSL), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {_From, Tag, {add_sup_handler, Handler, Args, SupP}} -> {Hib, Reply, MSL1} = server_add_sup_handler(Handler, Args, MSL, SupP), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {_From, Tag, {delete_handler, Handler, Args}} -> {Reply, MSL1} = server_delete_handler(Handler, Args, MSL, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, false); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, false); {_From, Tag, {swap_handler, Handler1, Args1, Handler2, Args2}} -> {Hib, Reply, MSL1} = server_swap_handler(Handler1, Args1, Handler2, Args2, MSL, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {_From, Tag, {swap_sup_handler, Handler1, Args1, Handler2, Args2, Sup}} -> {Hib, Reply, MSL1} = server_swap_handler(Handler1, Args1, Handler2, Args2, MSL, Sup, ServerName), reply(Tag, Reply), - loop(Parent, ServerName, MSL1, Debug, Hib); + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib); {_From, Tag, stop} -> catch terminate_server(normal, Parent, MSL, ServerName), reply(Tag, ok); {_From, Tag, which_handlers} -> reply(Tag, the_handlers(MSL)), - loop(Parent, ServerName, MSL, Debug, false); + loop(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, false); {_From, Tag, get_modules} -> reply(Tag, get_modules(MSL)), - loop(Parent, ServerName, MSL, Debug, false); + loop(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, false); Other -> {Hib, MSL1} = server_notify(Other, handle_info, MSL, ServerName), - loop(Parent, ServerName, MSL1, Debug, Hib) + loop(Parent, ServerName, MSL1, AutoHibernateTimeout, Debug, Hib) end. terminate_server(Reason, Parent, MSL, ServerName) -> @@ -392,18 +395,18 @@ terminate_supervised(Pid, Reason, MSL, SName) -> %%----------------------------------------------------------------- %% Callback functions for system messages handling. %%----------------------------------------------------------------- -system_continue(Parent, Debug, [ServerName, MSL, Hib]) -> - loop(Parent, ServerName, MSL, Debug, Hib). +system_continue(Parent, Debug, [ServerName, MSL, AutoHibernateTimeout, Hib]) -> + loop(Parent, ServerName, MSL, AutoHibernateTimeout, Debug, Hib). -spec system_terminate(_, _, _, [_]) -> no_return(). -system_terminate(Reason, Parent, _Debug, [ServerName, MSL, _Hib]) -> +system_terminate(Reason, Parent, _Debug, [ServerName, MSL, _AutoHibernateTimeout, _Hib]) -> terminate_server(Reason, Parent, MSL, ServerName). %%----------------------------------------------------------------- %% Module here is sent in the system msg change_code. It specifies %% which module should be changed. %%----------------------------------------------------------------- -system_code_change([ServerName, MSL, Hib], Module, OldVsn, Extra) -> +system_code_change([ServerName, MSL, AutoHibernateTimeout, Hib], Module, OldVsn, Extra) -> MSL1 = lists:zf(fun(H) when H#handler.module =:= Module -> {ok, NewState} = Module:code_change(OldVsn, @@ -412,12 +415,12 @@ system_code_change([ServerName, MSL, Hib], Module, OldVsn, Extra) -> (_) -> true end, MSL), - {ok, [ServerName, MSL1, Hib]}. + {ok, [ServerName, MSL1, AutoHibernateTimeout, Hib]}. -system_get_state([_ServerName, MSL, _Hib]) -> +system_get_state([_ServerName, MSL, _AutoHibernateTimeout, _Hib]) -> {ok, [{Mod,Id,State} || #handler{module=Mod, id=Id, state=State} <- MSL]}. -system_replace_state(StateFun, [ServerName, MSL, Hib]) -> +system_replace_state(StateFun, [ServerName, MSL, AutoHibernateTimeout, Hib]) -> {NMSL, NStates} = lists:unzip([begin Cur = {Mod,Id,State}, @@ -429,7 +432,7 @@ system_replace_state(StateFun, [ServerName, MSL, Hib]) -> {HS, Cur} end end || #handler{module=Mod, id=Id, state=State}=HS <- MSL]), - {ok, NStates, [ServerName, NMSL, Hib]}. + {ok, NStates, [ServerName, NMSL, AutoHibernateTimeout, Hib]}. %%----------------------------------------------------------------- %% Format debug messages. Print them as the call-back module sees @@ -798,7 +801,7 @@ get_modules(MSL) -> %% Status information %%----------------------------------------------------------------- format_status(Opt, StatusData) -> - [PDict, SysState, Parent, _Debug, [ServerName, MSL, _Hib]] = StatusData, + [PDict, SysState, Parent, _Debug, [ServerName, MSL, _AutoHibernateTimeout, _Hib]] = StatusData, Header = gen:format_status_header("Status for event handler", ServerName), FmtMSL = [case erlang:function_exported(Mod, format_status, 2) of diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index d413da3ea1..8da79c41f9 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -113,7 +113,7 @@ sync_send_all_state_event/2, sync_send_all_state_event/3, reply/2, start_timer/2,send_event_after/2,cancel_timer/1, - enter_loop/4, enter_loop/5, enter_loop/6, wake_hib/6]). + enter_loop/4, enter_loop/5, enter_loop/6, wake_hib/7]). %% Internal exports -export([init_it/6, @@ -329,7 +329,8 @@ enter_loop(Mod, Options, StateName, StateData, ServerName, Timeout) -> Name = gen:get_proc_name(ServerName), Parent = gen:get_parent(), Debug = gen:debug_options(Name, Options), - loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug). + AutoHibernateTimeout = gen:auto_hibernate_timeout(Options), + loop(Parent, Name, StateName, StateData, Mod, Timeout, AutoHibernateTimeout, Debug). %%% --------------------------------------------------- %%% Initiate the new process. @@ -343,13 +344,14 @@ init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, Parent, Name0, Mod, Args, Options) -> Name = gen:name(Name0), Debug = gen:debug_options(Name, Options), - case catch Mod:init(Args) of + AutoHibernateTimeout = gen:auto_hibernate_timeout(Options), + case catch Mod:init(Args) of {ok, StateName, StateData} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, StateName, StateData, Mod, infinity, Debug); + loop(Parent, Name, StateName, StateData, Mod, infinity, AutoHibernateTimeout, Debug); {ok, StateName, StateData, Timeout} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, StateName, StateData, Mod, Timeout, Debug); + loop(Parent, Name, StateName, StateData, Mod, Timeout, AutoHibernateTimeout, Debug); {stop, Reason} -> gen:unregister_name(Name0), proc_lib:init_ack(Starter, {error, Reason}), @@ -371,68 +373,77 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> %%----------------------------------------------------------------- %% The MAIN loop %%----------------------------------------------------------------- -loop(Parent, Name, StateName, StateData, Mod, hibernate, Debug) -> +loop(Parent, Name, StateName, StateData, Mod, hibernate, AutoHibernateTimeout, Debug) -> proc_lib:hibernate(?MODULE,wake_hib, - [Parent, Name, StateName, StateData, Mod, + [Parent, Name, StateName, StateData, Mod, AutoHibernateTimeout, Debug]); -loop(Parent, Name, StateName, StateData, Mod, Time, Debug) -> + +loop(Parent, Name, StateName, StateData, Mod, infinity, AutoHibernateTimeout, Debug) -> + receive + Msg -> + decode_msg(Msg,Parent, Name, StateName, StateData, Mod, infinity, AutoHibernateTimeout, Debug, false) + after AutoHibernateTimeout -> + proc_lib:hibernate(?MODULE,wake_hib, [Parent, Name, StateName, StateData, Mod, AutoHibernateTimeout, Debug]) + end; + +loop(Parent, Name, StateName, StateData, Mod, Time, AutoHibernateTimeout, Debug) -> Msg = receive Input -> Input after Time -> {'$gen_event', timeout} end, - decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, Debug, false). + decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, AutoHibernateTimeout, Debug, false). -wake_hib(Parent, Name, StateName, StateData, Mod, Debug) -> +wake_hib(Parent, Name, StateName, StateData, Mod, AutoHibernateTimeout, Debug) -> Msg = receive Input -> Input end, - decode_msg(Msg, Parent, Name, StateName, StateData, Mod, hibernate, Debug, true). + decode_msg(Msg, Parent, Name, StateName, StateData, Mod, hibernate, AutoHibernateTimeout, Debug, true). -decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, Debug, Hib) -> +decode_msg(Msg,Parent, Name, StateName, StateData, Mod, Time, AutoHibernateTimeout, Debug, Hib) -> case Msg of {system, From, Req} -> sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug, - [Name, StateName, StateData, Mod, Time], Hib); + [Name, StateName, StateData, Mod, Time, AutoHibernateTimeout], Hib); {'EXIT', Parent, Reason} -> terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug); _Msg when Debug =:= [] -> - handle_msg(Msg, Parent, Name, StateName, StateData, Mod, Time); + handle_msg(Msg, Parent, Name, StateName, StateData, Mod, Time, AutoHibernateTimeout); _Msg -> Debug1 = sys:handle_debug(Debug, fun print_event/3, {Name, StateName}, {in, Msg}), handle_msg(Msg, Parent, Name, StateName, StateData, - Mod, Time, Debug1) + Mod, Time, AutoHibernateTimeout, Debug1) end. %%----------------------------------------------------------------- %% Callback functions for system messages handling. %%----------------------------------------------------------------- -system_continue(Parent, Debug, [Name, StateName, StateData, Mod, Time]) -> - loop(Parent, Name, StateName, StateData, Mod, Time, Debug). +system_continue(Parent, Debug, [Name, StateName, StateData, Mod, Time, AutoHibernateTimeout]) -> + loop(Parent, Name, StateName, StateData, Mod, Time, AutoHibernateTimeout, Debug). -spec system_terminate(term(), _, _, [term(),...]) -> no_return(). system_terminate(Reason, _Parent, Debug, - [Name, StateName, StateData, Mod, _Time]) -> + [Name, StateName, StateData, Mod, _Time, _AutoHibernateTimeout]) -> terminate(Reason, Name, [], Mod, StateName, StateData, Debug). -system_code_change([Name, StateName, StateData, Mod, Time], +system_code_change([Name, StateName, StateData, Mod, Time, AutoHibernateTimeout], _Module, OldVsn, Extra) -> case catch Mod:code_change(OldVsn, StateName, StateData, Extra) of {ok, NewStateName, NewStateData} -> - {ok, [Name, NewStateName, NewStateData, Mod, Time]}; + {ok, [Name, NewStateName, NewStateData, Mod, Time, AutoHibernateTimeout]}; Else -> Else end. -system_get_state([_Name, StateName, StateData, _Mod, _Time]) -> +system_get_state([_Name, StateName, StateData, _Mod, _Time, _AutoHibernateTimeout]) -> {ok, {StateName, StateData}}. -system_replace_state(StateFun, [Name, StateName, StateData, Mod, Time]) -> +system_replace_state(StateFun, [Name, StateName, StateData, Mod, Time, AutoHibernateTimeout]) -> Result = {NStateName, NStateData} = StateFun({StateName, StateData}), - {ok, Result, [Name, NStateName, NStateData, Mod, Time]}. + {ok, Result, [Name, NStateName, NStateData, Mod, Time, AutoHibernateTimeout]}. %%----------------------------------------------------------------- %% Format debug messages. Print them as the call-back module sees @@ -467,19 +478,19 @@ print_event(Dev, return, {Name, StateName}) -> io:format(Dev, "*DBG* ~p switched to state ~w~n", [Name, StateName]). -handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time) -> %No debug here +handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, AutoHibernateTimeout) -> %No debug here From = from(Msg), case catch dispatch(Msg, Mod, StateName, StateData) of {next_state, NStateName, NStateData} -> - loop(Parent, Name, NStateName, NStateData, Mod, infinity, []); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, AutoHibernateTimeout, []); {next_state, NStateName, NStateData, Time1} -> - loop(Parent, Name, NStateName, NStateData, Mod, Time1, []); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, AutoHibernateTimeout, []); {reply, Reply, NStateName, NStateData} when From =/= undefined -> reply(From, Reply), - loop(Parent, Name, NStateName, NStateData, Mod, infinity, []); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, AutoHibernateTimeout, []); {reply, Reply, NStateName, NStateData, Time1} when From =/= undefined -> reply(From, Reply), - loop(Parent, Name, NStateName, NStateData, Mod, Time1, []); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, AutoHibernateTimeout, []); {stop, Reason, NStateData} -> terminate(Reason, Name, Msg, Mod, StateName, NStateData, []); {stop, Reason, Reply, NStateData} when From =/= undefined -> @@ -498,23 +509,23 @@ handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time) -> %No debug her Name, Msg, Mod, StateName, StateData, []) end. -handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, Debug) -> +handle_msg(Msg, Parent, Name, StateName, StateData, Mod, _Time, AutoHibernateTimeout, Debug) -> From = from(Msg), case catch dispatch(Msg, Mod, StateName, StateData) of {next_state, NStateName, NStateData} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, {Name, NStateName}, return), - loop(Parent, Name, NStateName, NStateData, Mod, infinity, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, AutoHibernateTimeout, Debug1); {next_state, NStateName, NStateData, Time1} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, {Name, NStateName}, return), - loop(Parent, Name, NStateName, NStateData, Mod, Time1, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, AutoHibernateTimeout, Debug1); {reply, Reply, NStateName, NStateData} when From =/= undefined -> Debug1 = reply(Name, From, Reply, Debug, NStateName), - loop(Parent, Name, NStateName, NStateData, Mod, infinity, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, infinity, AutoHibernateTimeout, Debug1); {reply, Reply, NStateName, NStateData, Time1} when From =/= undefined -> Debug1 = reply(Name, From, Reply, Debug, NStateName), - loop(Parent, Name, NStateName, NStateData, Mod, Time1, Debug1); + loop(Parent, Name, NStateName, NStateData, Mod, Time1, AutoHibernateTimeout, Debug1); {stop, Reason, NStateData} -> terminate(Reason, Name, Msg, Mod, StateName, NStateData, Debug); {stop, Reason, Reply, NStateData} when From =/= undefined -> @@ -645,7 +656,7 @@ get_msg(Msg) -> Msg. %% Status information %%----------------------------------------------------------------- format_status(Opt, StatusData) -> - [PDict, SysState, Parent, Debug, [Name, StateName, StateData, Mod, _Time]] = + [PDict, SysState, Parent, Debug, [Name, StateName, StateData, Mod, _Time, _AutoHibernateTimeout]] = StatusData, Header = gen:format_status_header("Status for state machine", Name), diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl index 8504af86f8..a538e80211 100644 --- a/lib/stdlib/src/gen_server.erl +++ b/lib/stdlib/src/gen_server.erl @@ -94,7 +94,7 @@ cast/2, reply/2, abcast/2, abcast/3, multi_call/2, multi_call/3, multi_call/4, - enter_loop/3, enter_loop/4, enter_loop/5, wake_hib/5]). + enter_loop/3, enter_loop/4, enter_loop/5, wake_hib/6]). %% System exports -export([system_continue/3, @@ -307,7 +307,8 @@ enter_loop(Mod, Options, State, ServerName, Timeout) -> Name = gen:get_proc_name(ServerName), Parent = gen:get_parent(), Debug = gen:debug_options(Name, Options), - loop(Parent, Name, State, Mod, Timeout, Debug). + AutoHibernateTimeout = gen:auto_hibernate_timeout(Options), + loop(Parent, Name, State, Mod, Timeout, AutoHibernateTimeout, Debug). %%%======================================================================== %%% Gen-callback functions @@ -325,13 +326,14 @@ init_it(Starter, self, Name, Mod, Args, Options) -> init_it(Starter, Parent, Name0, Mod, Args, Options) -> Name = gen:name(Name0), Debug = gen:debug_options(Name, Options), + AutoHibernateTimeout = gen:auto_hibernate_timeout(Options), case catch Mod:init(Args) of {ok, State} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, State, Mod, infinity, Debug); + loop(Parent, Name, State, Mod, infinity, AutoHibernateTimeout, Debug); {ok, State, Timeout} -> proc_lib:init_ack(Starter, {ok, self()}), - loop(Parent, Name, State, Mod, Timeout, Debug); + loop(Parent, Name, State, Mod, Timeout, AutoHibernateTimeout, Debug); {stop, Reason} -> %% For consistency, we must make sure that the %% registered name (if any) is unregistered before @@ -362,37 +364,46 @@ init_it(Starter, Parent, Name0, Mod, Args, Options) -> %%% --------------------------------------------------- %%% The MAIN loop. %%% --------------------------------------------------- -loop(Parent, Name, State, Mod, hibernate, Debug) -> - proc_lib:hibernate(?MODULE,wake_hib,[Parent, Name, State, Mod, Debug]); -loop(Parent, Name, State, Mod, Time, Debug) -> +loop(Parent, Name, State, Mod, hibernate, AutoHibernateTimeout, Debug) -> + proc_lib:hibernate(?MODULE,wake_hib,[Parent, Name, State, Mod, AutoHibernateTimeout, Debug]); + +loop(Parent, Name, State, Mod, infinity, AutoHibernateTimeout, Debug) -> + receive + Msg -> + decode_msg(Msg, Parent, Name, State, Mod, infinity, AutoHibernateTimeout, Debug, false) + after AutoHibernateTimeout -> + proc_lib:hibernate(?MODULE,wake_hib,[Parent, Name, State, Mod, AutoHibernateTimeout, Debug]) + end; + +loop(Parent, Name, State, Mod, Time, AutoHibernateTimeout, Debug) -> Msg = receive Input -> Input after Time -> timeout end, - decode_msg(Msg, Parent, Name, State, Mod, Time, Debug, false). + decode_msg(Msg, Parent, Name, State, Mod, Time, AutoHibernateTimeout, Debug, false). -wake_hib(Parent, Name, State, Mod, Debug) -> +wake_hib(Parent, Name, State, Mod, AutoHibernateTimeout, Debug) -> Msg = receive Input -> Input end, - decode_msg(Msg, Parent, Name, State, Mod, hibernate, Debug, true). + decode_msg(Msg, Parent, Name, State, Mod, hibernate, AutoHibernateTimeout, Debug, true). -decode_msg(Msg, Parent, Name, State, Mod, Time, Debug, Hib) -> +decode_msg(Msg, Parent, Name, State, Mod, Time, AutoHibernateTimeout, Debug, Hib) -> case Msg of {system, From, Req} -> sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug, - [Name, State, Mod, Time], Hib); + [Name, State, Mod, Time, AutoHibernateTimeout], Hib); {'EXIT', Parent, Reason} -> terminate(Reason, Name, undefined, Msg, Mod, State, Debug); _Msg when Debug =:= [] -> - handle_msg(Msg, Parent, Name, State, Mod); + handle_msg(Msg, Parent, Name, State, Mod, AutoHibernateTimeout); _Msg -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {in, Msg}), - handle_msg(Msg, Parent, Name, State, Mod, Debug1) + handle_msg(Msg, Parent, Name, State, Mod, AutoHibernateTimeout, Debug1) end. %%% --------------------------------------------------- @@ -659,65 +670,65 @@ try_terminate(Mod, Reason, State) -> %%% Message handling functions %%% --------------------------------------------------- -handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod) -> +handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, AutoHibernateTimeout) -> Result = try_handle_call(Mod, Msg, From, State), case Result of {ok, {reply, Reply, NState}} -> reply(From, Reply), - loop(Parent, Name, NState, Mod, infinity, []); + loop(Parent, Name, NState, Mod, infinity, AutoHibernateTimeout, []); {ok, {reply, Reply, NState, Time1}} -> reply(From, Reply), - loop(Parent, Name, NState, Mod, Time1, []); + loop(Parent, Name, NState, Mod, Time1, AutoHibernateTimeout, []); {ok, {noreply, NState}} -> - loop(Parent, Name, NState, Mod, infinity, []); + loop(Parent, Name, NState, Mod, infinity, AutoHibernateTimeout, []); {ok, {noreply, NState, Time1}} -> - loop(Parent, Name, NState, Mod, Time1, []); + loop(Parent, Name, NState, Mod, Time1, AutoHibernateTimeout, []); {ok, {stop, Reason, Reply, NState}} -> {'EXIT', R} = (catch terminate(Reason, Name, From, Msg, Mod, NState, [])), reply(From, Reply), exit(R); - Other -> handle_common_reply(Other, Parent, Name, From, Msg, Mod, State) + Other -> handle_common_reply(Other, Parent, Name, From, Msg, Mod, AutoHibernateTimeout, State) end; -handle_msg(Msg, Parent, Name, State, Mod) -> +handle_msg(Msg, Parent, Name, State, Mod, AutoHibernateTimeout) -> Reply = try_dispatch(Msg, Mod, State), - handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, State). + handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, AutoHibernateTimeout, State). -handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, Debug) -> +handle_msg({'$gen_call', From, Msg}, Parent, Name, State, Mod, AutoHibernateTimeout, Debug) -> Result = try_handle_call(Mod, Msg, From, State), case Result of {ok, {reply, Reply, NState}} -> Debug1 = reply(Name, From, Reply, NState, Debug), - loop(Parent, Name, NState, Mod, infinity, Debug1); + loop(Parent, Name, NState, Mod, infinity, AutoHibernateTimeout, Debug1); {ok, {reply, Reply, NState, Time1}} -> Debug1 = reply(Name, From, Reply, NState, Debug), - loop(Parent, Name, NState, Mod, Time1, Debug1); + loop(Parent, Name, NState, Mod, Time1, AutoHibernateTimeout, Debug1); {ok, {noreply, NState}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, infinity, Debug1); + loop(Parent, Name, NState, Mod, infinity, AutoHibernateTimeout, Debug1); {ok, {noreply, NState, Time1}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, Time1, Debug1); + loop(Parent, Name, NState, Mod, Time1, AutoHibernateTimeout, Debug1); {ok, {stop, Reason, Reply, NState}} -> {'EXIT', R} = (catch terminate(Reason, Name, From, Msg, Mod, NState, Debug)), _ = reply(Name, From, Reply, NState, Debug), exit(R); Other -> - handle_common_reply(Other, Parent, Name, From, Msg, Mod, State, Debug) + handle_common_reply(Other, Parent, Name, From, Msg, Mod, AutoHibernateTimeout, State, Debug) end; -handle_msg(Msg, Parent, Name, State, Mod, Debug) -> +handle_msg(Msg, Parent, Name, State, Mod, AutoHibernateTimeout, Debug) -> Reply = try_dispatch(Msg, Mod, State), - handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, State, Debug). + handle_common_reply(Reply, Parent, Name, undefined, Msg, Mod, AutoHibernateTimeout, State, Debug). -handle_common_reply(Reply, Parent, Name, From, Msg, Mod, State) -> +handle_common_reply(Reply, Parent, Name, From, Msg, Mod, AutoHibernateTimeout, State) -> case Reply of {ok, {noreply, NState}} -> - loop(Parent, Name, NState, Mod, infinity, []); + loop(Parent, Name, NState, Mod, infinity, AutoHibernateTimeout, []); {ok, {noreply, NState, Time1}} -> - loop(Parent, Name, NState, Mod, Time1, []); + loop(Parent, Name, NState, Mod, Time1, AutoHibernateTimeout, []); {ok, {stop, Reason, NState}} -> terminate(Reason, Name, From, Msg, Mod, NState, []); {'EXIT', ExitReason, ReportReason} -> @@ -726,16 +737,16 @@ handle_common_reply(Reply, Parent, Name, From, Msg, Mod, State) -> terminate({bad_return_value, BadReply}, Name, From, Msg, Mod, State, []) end. -handle_common_reply(Reply, Parent, Name, From, Msg, Mod, State, Debug) -> +handle_common_reply(Reply, Parent, Name, From, Msg, Mod, AutoHibernateTimeout, State, Debug) -> case Reply of {ok, {noreply, NState}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, infinity, Debug1); + loop(Parent, Name, NState, Mod, infinity, AutoHibernateTimeout, Debug1); {ok, {noreply, NState, Time1}} -> Debug1 = sys:handle_debug(Debug, fun print_event/3, Name, {noreply, NState}), - loop(Parent, Name, NState, Mod, Time1, Debug1); + loop(Parent, Name, NState, Mod, Time1, AutoHibernateTimeout, Debug1); {ok, {stop, Reason, NState}} -> terminate(Reason, Name, From, Msg, Mod, NState, Debug); {'EXIT', ExitReason, ReportReason} -> @@ -753,26 +764,26 @@ reply(Name, {To, Tag}, Reply, State, Debug) -> %%----------------------------------------------------------------- %% Callback functions for system messages handling. %%----------------------------------------------------------------- -system_continue(Parent, Debug, [Name, State, Mod, Time]) -> - loop(Parent, Name, State, Mod, Time, Debug). +system_continue(Parent, Debug, [Name, State, Mod, Time, AutoHibernateTimeout]) -> + loop(Parent, Name, State, Mod, Time, AutoHibernateTimeout, Debug). -spec system_terminate(_, _, _, [_]) -> no_return(). -system_terminate(Reason, _Parent, Debug, [Name, State, Mod, _Time]) -> +system_terminate(Reason, _Parent, Debug, [Name, State, Mod, _Time, _AutoHibernateTimeout]) -> terminate(Reason, Name, undefined, [], Mod, State, Debug). -system_code_change([Name, State, Mod, Time], _Module, OldVsn, Extra) -> +system_code_change([Name, State, Mod, Time, AutoHibernateTimeout], _Module, OldVsn, Extra) -> case catch Mod:code_change(OldVsn, State, Extra) of - {ok, NewState} -> {ok, [Name, NewState, Mod, Time]}; + {ok, NewState} -> {ok, [Name, NewState, Mod, Time, AutoHibernateTimeout]}; Else -> Else end. -system_get_state([_Name, State, _Mod, _Time]) -> +system_get_state([_Name, State, _Mod, _Time, _AutoHibernateTimeout]) -> {ok, State}. -system_replace_state(StateFun, [Name, State, Mod, Time]) -> +system_replace_state(StateFun, [Name, State, Mod, Time, AutoHibernateTimeout]) -> NState = StateFun(State), - {ok, NState, [Name, NState, Mod, Time]}. + {ok, NState, [Name, NState, Mod, Time, AutoHibernateTimeout]}. %%----------------------------------------------------------------- %% Format debug messages. Print them as the call-back module sees @@ -802,10 +813,10 @@ print_event(Dev, Event, Name) -> %%% Terminate the server. %%% --------------------------------------------------- + -spec terminate(_, _, _, _, _, _, _) -> no_return(). terminate(Reason, Name, From, Msg, Mod, State, Debug) -> terminate(Reason, Reason, Name, From, Msg, Mod, State, Debug). - -spec terminate(_, _, _, _, _, _, _, _) -> no_return(). terminate(ExitReason, ReportReason, Name, From, Msg, Mod, State, Debug) -> Reply = try_terminate(Mod, ExitReason, State), @@ -851,7 +862,7 @@ error_info(Reason, Name, From, Msg, State, Debug) -> end; _ -> Reason - end, + end, {ClientFmt, ClientArgs} = client_stacktrace(From), format("** Generic server ~p terminating \n" "** Last message in was ~p~n" @@ -860,7 +871,6 @@ error_info(Reason, Name, From, Msg, State, Debug) -> [Name, Msg, State, Reason1] ++ ClientArgs), sys:print_log(Debug), ok. - client_stacktrace(undefined) -> {"", []}; client_stacktrace({From, _Tag}) -> @@ -885,7 +895,7 @@ client_stacktrace(From) when is_pid(From) -> %% Status information %%----------------------------------------------------------------- format_status(Opt, StatusData) -> - [PDict, SysState, Parent, Debug, [Name, State, Mod, _Time]] = StatusData, + [PDict, SysState, Parent, Debug, [Name, State, Mod, _Time, _AutoHibernateTimeout]] = StatusData, Header = gen:format_status_header("Status for generic server", Name), Log = sys:get_debug(log, Debug, []), Specfic = case format_status(Opt, Mod, PDict, State) of |