diff options
Diffstat (limited to 'lib/stdlib/src')
| -rw-r--r-- | lib/stdlib/src/gen_statem.erl | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl index 32799f5afc..48dfaec42a 100644 --- a/lib/stdlib/src/gen_statem.erl +++ b/lib/stdlib/src/gen_statem.erl @@ -51,7 +51,7 @@ %%% Interface functions. %%%========================================================================== --type client() :: +-type caller() :: {To :: pid(), Tag :: term()}. % Reply-to specifier for call -type state() :: state_name() | % For state callback function StateName/5 @@ -59,7 +59,7 @@ -type state_name() :: atom(). -type data() :: term(). -type event_type() :: - {'call',Client :: client()} | 'cast' | + {'call',Caller :: caller()} | 'cast' | 'info' | 'timeout' | 'internal'. -type event_predicate() :: % Return true for the event in question fun((event_type(), term()) -> boolean()). @@ -101,8 +101,8 @@ {'unlink', % Unlink and clean up mess(ages) Id :: pid() | port()}. -type reply_action() :: - {'reply', % Reply to a client - Client :: client(), Reply :: term()}. + {'reply', % Reply to a caller + Caller :: caller(), Reply :: term()}. -type state_callback_result() :: {'stop', % Stop the server Reason :: term()} | @@ -216,13 +216,13 @@ callback_mode(CallbackMode) -> false end. %% -client({Pid,Tag}) when is_pid(Pid), is_reference(Tag) -> +caller({Pid,Tag}) when is_pid(Pid), is_reference(Tag) -> true; -client(_) -> +caller(_) -> false. %% -event_type({call,Client}) -> - client(Client); +event_type({call,Caller}) -> + caller(Caller); event_type(Type) -> case Type of cast -> @@ -341,7 +341,7 @@ cast(ServerRef, Msg) when is_pid(ServerRef) -> do_send(ServerRef, cast(Msg)). %% Call a state machine (synchronous; a reply is expected) that -%% arrives with type {call,Client} +%% arrives with type {call,Caller} -spec call(ServerRef :: server_ref(), Request :: term()) -> Reply :: term(). call(ServerRef, Request) -> call(ServerRef, Request, infinity). @@ -400,13 +400,13 @@ call(ServerRef, Request, Timeout) -> %% Reply from a state machine callback to whom awaits in call/2 -spec reply([reply_action()] | reply_action()) -> ok. -reply({reply,{_To,_Tag}=Client,Reply}) -> - reply(Client, Reply); +reply({reply,{_To,_Tag}=Caller,Reply}) -> + reply(Caller, Reply); reply(Replies) when is_list(Replies) -> [reply(Reply) || Reply <- Replies], ok. %% --spec reply(Client :: client(), Reply :: term()) -> ok. +-spec reply(Caller :: caller(), Reply :: term()) -> ok. reply({To,Tag}, Reply) -> Msg = {Tag,Reply}, try To ! Msg of @@ -703,8 +703,8 @@ loop_receive(Parent, Debug, #{timer := Timer} = S) -> _ -> Event = case Msg of - {'$gen_call',Client,Request} -> - {{call,Client},Request}; + {'$gen_call',Caller,Request} -> + {{call,Caller},Request}; {'$gen_cast',E} -> {cast,E}; _ -> @@ -950,8 +950,8 @@ process_transition_actions([], Debug, _S, Q, P) -> process_transition_actions( [Action|Actions] = AllActions, Debug, S, Q, P) -> case Action of - {reply,{_To,_Tag}=Client,Reply} -> - NewDebug = do_reply(Debug, S, Client, Reply), + {reply,{_To,_Tag}=Caller,Reply} -> + NewDebug = do_reply(Debug, S, Caller, Reply), process_transition_actions(Actions, NewDebug, S, Q, P); {next_event,Type,Content} -> case event_type(Type) of @@ -987,17 +987,17 @@ reply_then_terminate(Class, Reason, Stacktrace, Debug, S, Q, []) -> reply_then_terminate( Class, Reason, Stacktrace, Debug, S, Q, [R|Rs] = RRs) -> case R of - {reply,{_To,_Tag}=Client,Reply} -> - NewDebug = do_reply(Debug, S, Client, Reply), + {reply,{_To,_Tag}=Caller,Reply} -> + NewDebug = do_reply(Debug, S, Caller, Reply), reply_then_terminate( Class, Reason, Stacktrace, NewDebug, S, Q, Rs); _ -> RRs % bad_return_value end. -do_reply(Debug, S, Client, Reply) -> - reply(Client, Reply), - sys_debug(Debug, S, {out,Reply,Client}). +do_reply(Debug, S, Caller, Reply) -> + reply(Caller, Reply), + sys_debug(Debug, S, {out,Reply,Caller}). %% Remove oldest matching event from the queue(s) |