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-rw-r--r--lib/stdlib/src/gen_server.erl16
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 5f14e48b0a..202a931fae 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -98,6 +98,8 @@
-export([system_continue/3,
system_terminate/4,
system_code_change/4,
+ system_get_state/1,
+ system_replace_state/2,
format_status/2]).
%% Internal exports
@@ -372,13 +374,6 @@ wake_hib(Parent, Name, State, Mod, Debug) ->
decode_msg(Msg, Parent, Name, State, Mod, Time, Debug, Hib) ->
case Msg of
- {system, From, get_state} ->
- sys:handle_system_msg(get_state, From, Parent, ?MODULE, Debug,
- {State, [Name, State, Mod, Time]}, Hib);
- {system, From, {replace_state, StateFun}} ->
- NState = try StateFun(State) catch _:_ -> State end,
- sys:handle_system_msg(replace_state, From, Parent, ?MODULE, Debug,
- {NState, [Name, NState, Mod, Time]}, Hib);
{system, From, Req} ->
sys:handle_system_msg(Req, From, Parent, ?MODULE, Debug,
[Name, State, Mod, Time], Hib);
@@ -687,6 +682,13 @@ system_code_change([Name, State, Mod, Time], _Module, OldVsn, Extra) ->
Else -> Else
end.
+system_get_state([_Name, State, _Mod, _Time]) ->
+ {ok, State}.
+
+system_replace_state(StateFun, [Name, State, Mod, Time]) ->
+ NState = StateFun(State),
+ {ok, NState, [Name, NState, Mod, Time]}.
+
%%-----------------------------------------------------------------
%% Format debug messages. Print them as the call-back module sees
%% them, not as the real erlang messages. Use trace for that.