From fadb85a2e1ef5d1607947bd070c250e3a6205da9 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Fri, 4 Jul 2014 11:52:21 +0200 Subject: stdlib: Call format_status even if terminate callback crashes The format_status callback (if exists) should always be invoked when logging errors. --- lib/stdlib/src/gen_fsm.erl | 49 ++++++++++++++++++++--------------------- lib/stdlib/src/gen_server.erl | 51 ++++++++++++++++++++----------------------- 2 files changed, 48 insertions(+), 52 deletions(-) (limited to 'lib/stdlib/src') diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl index e914f7d0b2..5afe3e8b09 100644 --- a/lib/stdlib/src/gen_fsm.erl +++ b/lib/stdlib/src/gen_fsm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -594,7 +594,8 @@ reply(Name, {To, Tag}, Reply, Debug, StateName) -> terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug) -> case catch Mod:terminate(Reason, StateName, StateData) of {'EXIT', R} -> - error_info(R, Name, Msg, StateName, StateData, Debug), + FmtStateData = format_status(terminate, Mod, get(), StateData), + error_info(R, Name, Msg, StateName, FmtStateData, Debug), exit(R); _ -> case Reason of @@ -605,17 +606,7 @@ terminate(Reason, Name, Msg, Mod, StateName, StateData, Debug) -> {shutdown,_}=Shutdown -> exit(Shutdown); _ -> - 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, + FmtStateData = format_status(terminate, Mod, get(), StateData), error_info(Reason,Name,Msg,StateName,FmtStateData,Debug), exit(Reason) end @@ -680,21 +671,29 @@ format_status(Opt, StatusData) -> Header = gen:format_status_header("Status for state machine", Name), Log = sys:get_debug(log, Debug, []), - 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', _} -> DefaultStatus; - StatusList when is_list(StatusList) -> StatusList; - Else -> [Else] - end; - _ -> - DefaultStatus - end, + Specfic = format_status(Opt, Mod, PDict, StateData), + Specfic = case format_status(Opt, Mod, PDict, StateData) of + S when is_list(S) -> S; + S -> [S] + end, [{header, Header}, {data, [{"Status", SysState}, {"Parent", Parent}, {"Logged events", Log}, {"StateName", StateName}]} | Specfic]. + +format_status(Opt, Mod, PDict, State) -> + DefStatus = case Opt of + terminate -> State; + _ -> [{data, [{"StateData", State}]}] + end, + case erlang:function_exported(Mod, format_status, 2) of + true -> + case catch Mod:format_status(Opt, [PDict, State]) of + {'EXIT', _} -> DefStatus; + Else -> Else + end; + _ -> + DefStatus + end. diff --git a/lib/stdlib/src/gen_server.erl b/lib/stdlib/src/gen_server.erl index 202a931fae..dadfe56b3d 100644 --- a/lib/stdlib/src/gen_server.erl +++ b/lib/stdlib/src/gen_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -720,7 +720,8 @@ print_event(Dev, Event, Name) -> terminate(Reason, Name, Msg, Mod, State, Debug) -> case catch Mod:terminate(Reason, State) of {'EXIT', R} -> - error_info(R, Name, Msg, State, Debug), + FmtState = format_status(terminate, Mod, get(), State), + error_info(R, Name, Msg, FmtState, Debug), exit(R); _ -> case Reason of @@ -731,17 +732,7 @@ terminate(Reason, Name, Msg, Mod, State, Debug) -> {shutdown,_}=Shutdown -> exit(Shutdown); _ -> - 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, + FmtState = format_status(terminate, Mod, get(), State), error_info(Reason, Name, Msg, FmtState, Debug), exit(Reason) end @@ -875,23 +866,29 @@ name_to_pid(Name) -> %%----------------------------------------------------------------- format_status(Opt, StatusData) -> [PDict, SysState, Parent, Debug, [Name, State, Mod, _Time]] = StatusData, - Header = gen:format_status_header("Status for generic server", - Name), + Header = gen:format_status_header("Status for generic server", Name), Log = sys:get_debug(log, Debug, []), - 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', _} -> DefaultStatus; - StatusList when is_list(StatusList) -> StatusList; - Else -> [Else] - end; - _ -> - DefaultStatus - end, + Specfic = case format_status(Opt, Mod, PDict, State) of + S when is_list(S) -> S; + S -> [S] + end, [{header, Header}, {data, [{"Status", SysState}, {"Parent", Parent}, {"Logged events", Log}]} | Specfic]. + +format_status(Opt, Mod, PDict, State) -> + DefStatus = case Opt of + terminate -> State; + _ -> [{data, [{"State", State}]}] + end, + case erlang:function_exported(Mod, format_status, 2) of + true -> + case catch Mod:format_status(Opt, [PDict, State]) of + {'EXIT', _} -> DefStatus; + Else -> Else + end; + _ -> + DefStatus + end. -- cgit v1.2.3