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-rw-r--r--lib/stdlib/src/gen_event.erl29
-rw-r--r--lib/stdlib/src/gen_fsm.erl23
-rw-r--r--lib/stdlib/src/gen_server.erl23
3 files changed, 61 insertions, 14 deletions
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index 27ff9441e6..b1e9e3a02f 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -677,12 +677,23 @@ report_error(Handler, Reason, State, LastIn, SName) ->
_ ->
Reason
end,
+ Mod = Handler#handler.module,
+ FmtState = case erlang:function_exported(Mod, format_status, 2) of
+ true ->
+ Args = [get(), State],
+ case catch Mod:format_status(terminate, Args) of
+ {'EXIT', _} -> State;
+ Else -> Else
+ end;
+ _ ->
+ State
+ end,
error_msg("** gen_event handler ~p crashed.~n"
"** Was installed in ~p~n"
"** Last event was: ~p~n"
"** When handler state == ~p~n"
"** Reason == ~p~n",
- [handler(Handler),SName,LastIn,State,Reason1]).
+ [handler(Handler),SName,LastIn,FmtState,Reason1]).
handler(Handler) when not Handler#handler.id ->
Handler#handler.module;
@@ -711,10 +722,20 @@ get_modules(MSL) ->
%%-----------------------------------------------------------------
%% Status information
%%-----------------------------------------------------------------
-format_status(_Opt, StatusData) ->
- [_PDict, SysState, Parent, _Debug, [ServerName, MSL, _Hib]] = StatusData,
+format_status(Opt, StatusData) ->
+ [PDict, SysState, Parent, _Debug, [ServerName, MSL, _Hib]] = StatusData,
Header = lists:concat(["Status for event handler ", ServerName]),
+ FmtMSL = [case erlang:function_exported(Mod, format_status, 2) of
+ true ->
+ Args = [PDict, State],
+ case catch Mod:format_status(Opt, Args) of
+ {'EXIT', _} -> MSL;
+ Else -> MS#handler{state = Else}
+ end;
+ _ ->
+ MS
+ end || #handler{module = Mod, state = State} = MS <- MSL],
[{header, Header},
{data, [{"Status", SysState},
{"Parent", Parent}]},
- {items, {"Installed handlers", MSL}}].
+ {items, {"Installed handlers", FmtMSL}}].
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index 9961646418..8d1b46d6ab 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -542,7 +542,18 @@ terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug) ->
{shutdown,_}=Shutdown ->
exit(Shutdown);
_ ->
- error_info(Reason, Name, Msg, StateName, StateData, Debug),
+ FmtStateData =
+ case erlang:function_exported(Mod, format_status, 2) of
+ true ->
+ Args = [get(), StateData],
+ case catch Mod:format_status(terminate, Args) of
+ {'EXIT', _} -> StateData;
+ Else -> Else
+ end;
+ _ ->
+ StateData
+ end,
+ error_info(Reason,Name,Msg,StateName,FmtStateData,Debug),
exit(Reason)
end
end.
@@ -610,15 +621,17 @@ format_status(Opt, StatusData) ->
end,
Header = lists:concat(["Status for state machine ", NameTag]),
Log = sys:get_debug(log, Debug, []),
- Specfic =
+ DefaultStatus = [{data, [{"StateData", StateData}]}],
+ Specfic =
case erlang:function_exported(Mod, format_status, 2) of
true ->
case catch Mod:format_status(Opt,[PDict,StateData]) of
- {'EXIT', _} -> [{data, [{"StateData", StateData}]}];
- Else -> Else
+ {'EXIT', _} -> DefaultStatus;
+ StatusList when is_list(StatusList) -> StatusList;
+ Else -> [Else]
end;
_ ->
- [{data, [{"StateData", StateData}]}]
+ DefaultStatus
end,
[{header, Header},
{data, [{"Status", SysState},
diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl
index 1c9e5270b6..dc8e7ecd16 100644
--- a/lib/stdlib/src/gen_server.erl
+++ b/lib/stdlib/src/gen_server.erl
@@ -705,7 +705,18 @@ terminate(Reason, Name, Msg, Mod, State, Debug) ->
{shutdown,_}=Shutdown ->
exit(Shutdown);
_ ->
- error_info(Reason, Name, Msg, State, Debug),
+ FmtState =
+ case erlang:function_exported(Mod, format_status, 2) of
+ true ->
+ Args = [get(), State],
+ case catch Mod:format_status(terminate, Args) of
+ {'EXIT', _} -> State;
+ Else -> Else
+ end;
+ _ ->
+ State
+ end,
+ error_info(Reason, Name, Msg, FmtState, Debug),
exit(Reason)
end
end.
@@ -836,15 +847,17 @@ format_status(Opt, StatusData) ->
end,
Header = lists:concat(["Status for generic server ", NameTag]),
Log = sys:get_debug(log, Debug, []),
- Specfic =
+ DefaultStatus = [{data, [{"State", State}]}],
+ Specfic =
case erlang:function_exported(Mod, format_status, 2) of
true ->
case catch Mod:format_status(Opt, [PDict, State]) of
- {'EXIT', _} -> [{data, [{"State", State}]}];
- Else -> Else
+ {'EXIT', _} -> DefaultStatus;
+ StatusList when is_list(StatusList) -> StatusList;
+ Else -> [Else]
end;
_ ->
- [{data, [{"State", State}]}]
+ DefaultStatus
end,
[{header, Header},
{data, [{"Status", SysState},