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-rw-r--r--lib/stdlib/src/gen_statem.erl26
1 files changed, 18 insertions, 8 deletions
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl
index 6f566b8beb..b5e9da1e66 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(
@@ -1714,6 +1722,8 @@ error_info(
end;
_ -> {Reason,Stacktrace}
end,
+ [LimitedP, LimitedFmtData, LimitedFixedReason] =
+ [error_logger:limit_term(D) || D <- [P, FmtData, FixedReason]],
CBMode =
case StateEnter of
true ->
@@ -1747,8 +1757,8 @@ error_info(
[] -> [];
[Event|_] -> [Event]
end] ++
- [FmtData,
- Class,FixedReason,
+ [LimitedFmtData,
+ Class,LimitedFixedReason,
CBMode] ++
case Q of
[_|[_|_] = Events] -> [Events];
@@ -1756,7 +1766,7 @@ error_info(
end ++
case P of
[] -> [];
- _ -> [P]
+ _ -> [LimitedP]
end ++
case FixedStacktrace of
[] -> [];