From b655b07b6bc5f5c427cc887bdeff6d882e74012c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5kan=20Mattsson?= Date: Thu, 8 Dec 2016 13:37:32 +0100 Subject: Printout client stacktrace when a gen_server crashes When a gen_server crashes it is in many cases helpful to know in which context its client made its call. --- lib/stdlib/test/gen_server_SUITE.erl | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'lib/stdlib/test') diff --git a/lib/stdlib/test/gen_server_SUITE.erl b/lib/stdlib/test/gen_server_SUITE.erl index 338cd3dc0a..6888cb8c58 100644 --- a/lib/stdlib/test/gen_server_SUITE.erl +++ b/lib/stdlib/test/gen_server_SUITE.erl @@ -375,12 +375,14 @@ crash(Config) when is_list(Config) -> %% from gen_server. {ok,Pid4} = gen_server:start(?MODULE, {state,state4}, []), {'EXIT',{crashed,_}} = (catch gen_server:call(Pid4, crash)), + ClientPid = self(), receive {error,_GroupLeader4,{Pid4, "** Generic server"++_, [Pid4,crash,{formatted, state4}, {crashed,[{?MODULE,handle_call,3,_} - |_Stacktrace]}]}} -> + |_Stacktrace]}, + ClientPid, [_|_] = _ClientStack]}} -> ok; Other4a -> io:format("Unexpected: ~p", [Other4a]), @@ -1115,12 +1117,14 @@ error_format_status(Config) when is_list(Config) -> {'EXIT', Pid, crashed} -> ok end, + ClientPid = self(), receive {error,_GroupLeader,{Pid, "** Generic server"++_, [Pid,crash,{formatted, State}, {crashed,[{?MODULE,handle_call,3,_} - |_Stacktrace]}]}} -> + |_Stacktrace]}, + ClientPid, [_|_] = _ClientStack]}} -> ok; Other -> io:format("Unexpected: ~p", [Other]), @@ -1138,12 +1142,14 @@ terminate_crash_format(Config) when is_list(Config) -> {ok, Pid} = gen_server:start_link(?MODULE, {state, State}, []), gen_server:call(Pid, stop), receive {'EXIT', Pid, {crash, terminate}} -> ok end, + ClientPid = self(), receive {error,_GroupLeader,{Pid, "** Generic server"++_, [Pid,stop, {formatted, State}, - {{crash, terminate},[{?MODULE,terminate,2,_} - |_Stacktrace]}]}} -> + {{crash, terminate}, + [{?MODULE,terminate,2,_}|_Stacktrace]}, + ClientPid, [_|_] = _ClientStack]}} -> ok; Other -> io:format("Unexpected: ~p", [Other]), -- cgit v1.2.3