diff options
Diffstat (limited to 'lib/stdlib/src/gen_statem.erl')
| -rw-r--r-- | lib/stdlib/src/gen_statem.erl | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl index 6f566b8beb..86109f04b4 100644 --- a/lib/stdlib/src/gen_statem.erl +++ b/lib/stdlib/src/gen_statem.erl @@ -369,9 +369,12 @@ event_type(Type) -> Dbgs :: ['trace' | 'log' | 'statistics' | 'debug' | {'logfile', string()}]}. +-type hibernate_after_opt() :: + {'hibernate_after', HibernateAfterTimeout :: timeout()}. -type start_opt() :: debug_opt() | {'timeout', Time :: timeout()} + | hibernate_after_opt() | {'spawn_opt', [proc_lib:spawn_option()]}. -type start_ret() :: {'ok', pid()} | 'ignore' | {'error', term()}. @@ -544,14 +547,14 @@ reply({To,Tag}, Reply) when is_pid(To) -> %% started by proc_lib into a state machine using %% the same arguments as you would have returned from init/1 -spec enter_loop( - Module :: module(), Opts :: [debug_opt()], + Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()], State :: state(), Data :: data()) -> no_return(). enter_loop(Module, Opts, State, Data) -> enter_loop(Module, Opts, State, Data, self()). %% -spec enter_loop( - Module :: module(), Opts :: [debug_opt()], + Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()], State :: state(), Data :: data(), Server_or_Actions :: server_name() | pid() | [action()]) -> @@ -565,7 +568,7 @@ enter_loop(Module, Opts, State, Data, Server_or_Actions) -> end. %% -spec enter_loop( - Module :: module(), Opts :: [debug_opt()], + Module :: module(), Opts :: [debug_opt() | hibernate_after_opt()], State :: state(), Data :: data(), Server :: server_name() | pid(), Actions :: [action()] | action()) -> @@ -605,7 +608,8 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) -> %% The values should already have been type checked Name = gen:get_proc_name(Server), Debug = gen:debug_options(Name, Opts), - Events = [], + HibernateAfterTimeout = gen:hibernate_after(Opts), + Events = [], P = [], Event = {internal,init_state}, %% We enforce {postpone,false} to ensure that @@ -648,6 +652,7 @@ enter(Module, Opts, State, Data, Server, Actions, Parent) -> timer_refs => TimerRefs, timer_types => TimerTypes, hibernate => Hibernate, + hibernate_after => HibernateAfterTimeout, cancel_timers => CancelTimers }, NewDebug = sys_debug(Debug, S, State, {enter,Event,State}), @@ -854,7 +859,7 @@ loop_hibernate(Parent, Debug, S) -> {wakeup_from_hibernate,3}}). %% Entry point for wakeup_from_hibernate/3 -loop_receive(Parent, Debug, S) -> +loop_receive(Parent, Debug, #{hibernate_after := HibernateAfterTimeout} = S) -> receive Msg -> case Msg of @@ -956,6 +961,9 @@ loop_receive(Parent, Debug, S) -> loop_receive_result( Parent, Debug, S, Hibernate, Event) end + after + HibernateAfterTimeout -> + loop_hibernate(Parent, Debug, S) end. loop_receive_result( |