diff options
Diffstat (limited to 'lib/stdlib/src/gen_event.erl')
| -rw-r--r-- | lib/stdlib/src/gen_event.erl | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/lib/stdlib/src/gen_event.erl b/lib/stdlib/src/gen_event.erl index 934b112f6f..ad9322cde3 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, @@ -261,46 +259,49 @@ 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, which_handlers} -> - ?reply(the_handlers(MSL)), + {_From, Tag, stop} -> + catch terminate_server(normal, Parent, MSL, ServerName), + 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), @@ -312,6 +313,9 @@ 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). |