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-rw-r--r--lib/stdlib/src/erl_pp.erl10
-rw-r--r--lib/stdlib/src/gen_event.erl45
2 files changed, 32 insertions, 23 deletions
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 82bc2c1460..3dbb5ab64c 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -300,7 +300,15 @@ map_pair_types(Fs) ->
tuple_type(Fs, fun map_pair_type/1).
map_pair_type({type,_Line,map_field_assoc,Ktype,Vtype}) ->
- {seq,[],[]," =>",[ltype(Ktype),ltype(Vtype)]}.
+ map_assoc_typed(lexpr(Ktype, options(none)), Vtype).
+
+map_assoc_typed(B, {type,_,union,Ts}) ->
+ {first,[B,$\s],{seq,[],[],[],map_assoc_union_type(Ts)}};
+map_assoc_typed(B, Type) ->
+ {list,[{cstep,[B," =>"],ltype(Type)}]}.
+
+map_assoc_union_type([T|Ts]) ->
+ [[leaf("=> "),ltype(T)] | ltypes(Ts, fun union_elem/1)].
record_type(Name, Fields) ->
{first,[record_name(Name)],field_types(Fields)}.
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl
index d39dd89d3a..40c5a93d59 100644
--- a/lib/stdlib/src/gen_event.erl
+++ b/lib/stdlib/src/gen_event.erl
@@ -49,8 +49,6 @@
-import(error_logger, [error_msg/2]).
--define(reply(X), From ! {element(2,Tag), X}).
-
-record(handler, {module :: atom(),
id = false,
state,
@@ -249,49 +247,49 @@ handle_msg(Msg, Parent, ServerName, MSL, Debug) ->
{notify, Event} ->
{Hib,MSL1} = server_notify(Event, handle_event, MSL, ServerName),
loop(Parent, ServerName, MSL1, Debug, Hib);
- {From, Tag, {sync_notify, Event}} ->
+ {_From, Tag, {sync_notify, Event}} ->
{Hib, MSL1} = server_notify(Event, handle_event, MSL, ServerName),
- ?reply(ok),
+ reply(Tag, ok),
loop(Parent, ServerName, MSL1, Debug, Hib);
{'EXIT', From, Reason} ->
MSL1 = handle_exit(From, Reason, MSL, ServerName),
loop(Parent, ServerName, MSL1, Debug, false);
- {From, Tag, {call, Handler, Query}} ->
+ {_From, Tag, {call, Handler, Query}} ->
{Hib, Reply, MSL1} = server_call(Handler, Query, MSL, ServerName),
- ?reply(Reply),
+ reply(Tag, Reply),
loop(Parent, ServerName, MSL1, Debug, Hib);
- {From, Tag, {add_handler, Handler, Args}} ->
+ {_From, Tag, {add_handler, Handler, Args}} ->
{Hib, Reply, MSL1} = server_add_handler(Handler, Args, MSL),
- ?reply(Reply),
+ reply(Tag, Reply),
loop(Parent, ServerName, MSL1, Debug, Hib);
- {From, Tag, {add_sup_handler, Handler, Args, SupP}} ->
+ {_From, Tag, {add_sup_handler, Handler, Args, SupP}} ->
{Hib, Reply, MSL1} = server_add_sup_handler(Handler, Args, MSL, SupP),
- ?reply(Reply),
+ reply(Tag, Reply),
loop(Parent, ServerName, MSL1, Debug, Hib);
- {From, Tag, {delete_handler, Handler, Args}} ->
+ {_From, Tag, {delete_handler, Handler, Args}} ->
{Reply, MSL1} = server_delete_handler(Handler, Args, MSL,
ServerName),
- ?reply(Reply),
+ reply(Tag, Reply),
loop(Parent, ServerName, MSL1, Debug, false);
- {From, Tag, {swap_handler, Handler1, Args1, Handler2, Args2}} ->
+ {_From, Tag, {swap_handler, Handler1, Args1, Handler2, Args2}} ->
{Hib, Reply, MSL1} = server_swap_handler(Handler1, Args1, Handler2,
Args2, MSL, ServerName),
- ?reply(Reply),
+ reply(Tag, Reply),
loop(Parent, ServerName, MSL1, Debug, Hib);
- {From, Tag, {swap_sup_handler, Handler1, Args1, Handler2, Args2,
+ {_From, Tag, {swap_sup_handler, Handler1, Args1, Handler2, Args2,
Sup}} ->
{Hib, Reply, MSL1} = server_swap_handler(Handler1, Args1, Handler2,
Args2, MSL, Sup, ServerName),
- ?reply(Reply),
+ reply(Tag, Reply),
loop(Parent, ServerName, MSL1, Debug, Hib);
- {From, Tag, stop} ->
+ {_From, Tag, stop} ->
catch terminate_server(normal, Parent, MSL, ServerName),
- ?reply(ok);
- {From, Tag, which_handlers} ->
- ?reply(the_handlers(MSL)),
+ reply(Tag, ok);
+ {_From, Tag, which_handlers} ->
+ reply(Tag, the_handlers(MSL)),
loop(Parent, ServerName, MSL, Debug, false);
- {From, Tag, get_modules} ->
- ?reply(get_modules(MSL)),
+ {_From, Tag, get_modules} ->
+ reply(Tag, get_modules(MSL)),
loop(Parent, ServerName, MSL, Debug, false);
Other ->
{Hib, MSL1} = server_notify(Other, handle_info, MSL, ServerName),
@@ -303,6 +301,9 @@ terminate_server(Reason, Parent, MSL, ServerName) ->
do_unlink(Parent, MSL),
exit(Reason).
+reply({From, Ref}, Msg) ->
+ From ! {Ref, Msg}.
+
%% unlink the supervisor process of all supervised handlers.
%% We do not want a handler supervisor to EXIT due to the
%% termination of the event manager (server).