From 95ed86fc9893460751c5141ff872bdc13814a273 Mon Sep 17 00:00:00 2001 From: Geoff Cant Date: Sat, 12 Jun 2010 16:49:54 -0700 Subject: Fix format_status bug for unregistered gen_event processes Port the gen_fsm code for format_status to gen_event in order to prevent a lists:concat([...,pid()]) crash when calling sys:get_status/1 on an unregistered gen_event process. Refactor format_status header code from gen_* behaviours to module gen. Extend the format_status tests in gen_event_SUITE to cover format_status bugs with anonymous gen_event processes. --- lib/stdlib/src/gen_event.erl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'lib/stdlib/src/gen_event.erl') diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index b1e9e3a02f..b00910771f 100644 --- a/lib/stdlib/src/gen_event.erl +++ b/lib/stdlib/src/gen_event.erl @@ -724,7 +724,8 @@ get_modules(MSL) -> %%----------------------------------------------------------------- format_status(Opt, StatusData) -> [PDict, SysState, Parent, _Debug, [ServerName, MSL, _Hib]] = StatusData, - Header = lists:concat(["Status for event handler ", ServerName]), + Header = gen:format_status_header("Status for event handler", + ServerName), FmtMSL = [case erlang:function_exported(Mod, format_status, 2) of true -> Args = [PDict, State], -- cgit v1.2.3