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-rw-r--r--lib/stdlib/src/gen_fsm.erl7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/stdlib/src/gen_fsm.erl b/lib/stdlib/src/gen_fsm.erl
index f3775f967a..ba0275ae2b 100644
--- a/lib/stdlib/src/gen_fsm.erl
+++ b/lib/stdlib/src/gen_fsm.erl
@@ -603,7 +603,12 @@ get_msg(Msg) -> Msg.
format_status(Opt, StatusData) ->
[PDict, SysState, Parent, Debug, [Name, StateName, StateData, Mod, _Time]] =
StatusData,
- Header = lists:concat(["Status for state machine ", Name]),
+ NameTag = if is_pid(Name) ->
+ pid_to_list(Name);
+ is_atom(Name) ->
+ Name
+ end,
+ Header = lists:concat(["Status for state machine ", NameTag]),
Log = sys:get_debug(log, Debug, []),
Specfic =
case erlang:function_exported(Mod, format_status, 2) of