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author | Björn-Egil Dahlberg <egil@erlang.org> | 2016-05-10 15:07:54 +0200 |
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committer | Björn-Egil Dahlberg <egil@erlang.org> | 2016-05-12 13:40:10 +0200 |
commit | 5f312eab94a4477a36637f9594ae6da9b8b2a6aa (patch) | |
tree | 0a08d287e185e6a9c0eccc7a89950b92c9ae277f /lib/runtime_tools | |
parent | 715876f5e6d40bc75ad8f3e6c4c70249aea0fc66 (diff) | |
download | otp-5f312eab94a4477a36637f9594ae6da9b8b2a6aa.tar.gz otp-5f312eab94a4477a36637f9594ae6da9b8b2a6aa.tar.bz2 otp-5f312eab94a4477a36637f9594ae6da9b8b2a6aa.zip |
runtime_tools: Fix unmatched return warnings
Diffstat (limited to 'lib/runtime_tools')
-rw-r--r-- | lib/runtime_tools/src/appmon_info.erl | 9 | ||||
-rw-r--r-- | lib/runtime_tools/src/dbg.erl | 18 | ||||
-rw-r--r-- | lib/runtime_tools/src/erts_alloc_config.erl | 8 | ||||
-rw-r--r-- | lib/runtime_tools/src/observer_backend.erl | 35 | ||||
-rw-r--r-- | lib/runtime_tools/src/percept_profile.erl | 7 | ||||
-rw-r--r-- | lib/runtime_tools/src/system_information.erl | 11 |
6 files changed, 53 insertions, 35 deletions
diff --git a/lib/runtime_tools/src/appmon_info.erl b/lib/runtime_tools/src/appmon_info.erl index fead724373..b5500085a3 100644 --- a/lib/runtime_tools/src/appmon_info.erl +++ b/lib/runtime_tools/src/appmon_info.erl @@ -307,9 +307,10 @@ do_work(Key, State) -> {Cmd, Aux, From, _OldRef, Old, Opts} = retrieve(WorkStore, Key), {ok, Result} = do_work2(Cmd, Aux, From, Old, Opts), if - Result==Old -> ok; - true -> - From ! {delivery, self(), Cmd, Aux, Result} + Result==Old -> ok; + true -> + From ! {delivery, self(), Cmd, Aux, Result}, + ok end, case get_opt(timeout, Opts) of at_most_once -> @@ -393,7 +394,7 @@ del_task(Key, WorkStore) -> {_Cmd, _Aux, _From, Ref, _Old, Opts} -> if Ref /= nil -> - timer:cancel(Ref), + {ok,_} = timer:cancel(Ref), receive {do_it, Key} -> Opts diff --git a/lib/runtime_tools/src/dbg.erl b/lib/runtime_tools/src/dbg.erl index d5ff874206..9e1ef709c5 100644 --- a/lib/runtime_tools/src/dbg.erl +++ b/lib/runtime_tools/src/dbg.erl @@ -211,7 +211,7 @@ ctpg(Module) when is_atom(Module) -> ctpg({_Module, _Function, _Arity} = X) -> do_ctp(X,[global]). do_ctp({Module, Function, Arity},[]) -> - do_ctp({Module, Function, Arity},[global]), + {ok,_} = do_ctp({Module, Function, Arity},[global]), do_ctp({Module, Function, Arity},[local]); do_ctp({_Module, _Function, _Arity}=MFA,Flags) -> Nodes = req(get_nodes), @@ -260,8 +260,7 @@ wtp(FileName) -> ok end, []), - file:close(File), - ok + ok = file:close(File) end. %% @@ -589,7 +588,7 @@ stop() -> end. stop_clear() -> - ctp(), + {ok, _} = ctp(), stop(). %%% Calling the server. @@ -780,7 +779,8 @@ loop({C,T}=SurviveLinks, Table) -> end. reply(Pid, Reply) -> - Pid ! {dbg,Reply}. + Pid ! {dbg,Reply}, + ok. %%% A process-based tracer. @@ -933,9 +933,11 @@ do_relay(Parent,RelP) -> case RelP of {Type,Data} -> {ok,Tracer} = remote_tracer(Type,Data), - Parent ! {started,Tracer}; + Parent ! {started,Tracer}, + ok; Pid when is_pid(Pid) -> - Parent ! {started,self()} + Parent ! {started,self()}, + ok end, do_relay_1(RelP). @@ -1355,7 +1357,7 @@ mk_reader_wrap([_Hd | Tail] = WrapFiles, File) -> {ok, Term} -> [Term | mk_reader_wrap(WrapFiles, File)]; eof -> - file:close(File), + ok = file:close(File), case Tail of [_|_] -> mk_reader_wrap(Tail); diff --git a/lib/runtime_tools/src/erts_alloc_config.erl b/lib/runtime_tools/src/erts_alloc_config.erl index e94cced911..514530332c 100644 --- a/lib/runtime_tools/src/erts_alloc_config.erl +++ b/lib/runtime_tools/src/erts_alloc_config.erl @@ -128,7 +128,7 @@ make_config(FileName) when is_list(FileName) -> case file:open(FileName, [write]) of {ok, IODev} -> Res = req({make_config, IODev}), - file:close(IODev), + ok = file:close(IODev), Res; Error -> Error @@ -200,9 +200,11 @@ server_loop(State) -> Conf = #conf{segments = ?MBC_MSEG_LIMIT, format_to = IODev}, Res = mk_config(Conf, State#state.alloc), - From ! {response, Ref, Res}; + From ! {response, Ref, Res}, + ok; _ -> - From ! {response, Ref, no_scenario_saved} + From ! {response, Ref, no_scenario_saved}, + ok end, State; {request, From, Ref, stop} -> diff --git a/lib/runtime_tools/src/observer_backend.erl b/lib/runtime_tools/src/observer_backend.erl index 30df3b0b8b..66653c5b7f 100644 --- a/lib/runtime_tools/src/observer_backend.erl +++ b/lib/runtime_tools/src/observer_backend.erl @@ -259,7 +259,8 @@ etop_collect(Collector) -> case SchedulerWallTime of undefined -> - spawn(fun() -> flag_holder_proc(Collector) end); + spawn(fun() -> flag_holder_proc(Collector) end), + ok; _ -> ok end, @@ -334,8 +335,8 @@ ttb_init_node(MetaFile_0,PI,Traci) -> MetaPid ! {metadata,Traci}, case PI of true -> - Proci = pnames(), - MetaPid ! {metadata,Proci}; + MetaPid ! {metadata,pnames()}, + ok; false -> ok end, @@ -354,7 +355,8 @@ ttb_meta_tracer(MetaFile,PI,Parent,SessionData) -> erlang:trace_pattern({erlang,spawn_link,3},ReturnMS,[meta]), erlang:trace_pattern({erlang,spawn_opt,1},ReturnMS,[meta]), erlang:trace_pattern({erlang,register,2},[],[meta]), - erlang:trace_pattern({global,register_name,2},[],[meta]); + erlang:trace_pattern({global,register_name,2},[],[meta]), + ok; false -> ok end, @@ -362,7 +364,8 @@ ttb_meta_tracer(MetaFile,PI,Parent,SessionData) -> case proplists:get_value(overload_check, SessionData) of {Ms, M, F} -> catch M:F(init), - erlang:send_after(Ms, self(), overload_check); + erlang:send_after(Ms, self(), overload_check), + ok; _ -> ok end, @@ -371,10 +374,10 @@ ttb_meta_tracer(MetaFile,PI,Parent,SessionData) -> ttb_meta_tracer_loop(MetaFile,PI,Acc,State) -> receive {trace_ts,_,call,{erlang,register,[Name,Pid]},_} -> - ttb_store_meta({pid,{Pid,Name}},MetaFile), + ok = ttb_store_meta({pid,{Pid,Name}},MetaFile), ttb_meta_tracer_loop(MetaFile,PI,Acc,State); {trace_ts,_,call,{global,register_name,[Name,Pid]},_} -> - ttb_store_meta({pid,{Pid,{global,Name}}},MetaFile), + ok = ttb_store_meta({pid,{Pid,{global,Name}}},MetaFile), ttb_meta_tracer_loop(MetaFile,PI,Acc,State); {trace_ts,CallingPid,call,{erlang,spawn_opt,[{M,F,Args,_}]},_} -> MFA = {M,F,length(Args)}, @@ -390,7 +393,7 @@ ttb_meta_tracer_loop(MetaFile,PI,Acc,State) -> NewAcc = dict:update(CallingPid, fun([H|T]) -> - ttb_store_meta({pid,{NewPid,H}},MetaFile), + ok = ttb_store_meta({pid,{NewPid,H}},MetaFile), T end, Acc), @@ -408,22 +411,22 @@ ttb_meta_tracer_loop(MetaFile,PI,Acc,State) -> NewAcc = dict:update(CallingPid, fun([H|T]) -> - ttb_store_meta({pid,{NewPid,H}},MetaFile), + ok = ttb_store_meta({pid,{NewPid,H}},MetaFile), T end, Acc), ttb_meta_tracer_loop(MetaFile,PI,NewAcc,State); {metadata,Data} when is_list(Data) -> - ttb_store_meta(Data,MetaFile), + ok = ttb_store_meta(Data,MetaFile), ttb_meta_tracer_loop(MetaFile,PI,Acc,State); {metadata,Key,Fun} when is_function(Fun) -> - ttb_store_meta([{Key,Fun()}],MetaFile), + ok = ttb_store_meta([{Key,Fun()}],MetaFile), ttb_meta_tracer_loop(MetaFile,PI,Acc,State); {metadata,Key,What} -> - ttb_store_meta([{Key,What}],MetaFile), + ok = ttb_store_meta([{Key,What}],MetaFile), ttb_meta_tracer_loop(MetaFile,PI,Acc,State); overload_check -> {Ms, M, F} = proplists:get_value(overload_check, State), @@ -439,7 +442,7 @@ ttb_meta_tracer_loop(MetaFile,PI,Acc,State) -> ttb_meta_tracer_loop(MetaFile,PI,Acc, State) end; {'DOWN', _, _, _, _} -> - stop_seq_trace(), + _ = stop_seq_trace(), self() ! stop, ttb_meta_tracer_loop(MetaFile,PI,Acc, State); stop when PI=:=true -> @@ -528,7 +531,7 @@ ttb_store_meta(Data,MetaFile) -> ttb_store_meta([Data],MetaFile). ttb_write_binary(Fd,[H|T]) -> - file:write(Fd,ttb_make_binary(H)), + ok = file:write(Fd,ttb_make_binary(H)), ttb_write_binary(Fd,T); ttb_write_binary(_Fd,[]) -> ok. @@ -585,9 +588,9 @@ ttb_fetch(MetaFile,{Port,Host}) -> send_files({Sock,Host},[File|Files]) -> {ok,Fd} = file:open(File,[raw,read,binary]), - gen_tcp:send(Sock,<<1,(list_to_binary(filename:basename(File)))/binary>>), + ok = gen_tcp:send(Sock,<<1,(list_to_binary(filename:basename(File)))/binary>>), send_chunks(Sock,Fd), - file:delete(File), + ok = file:delete(File), send_files({Sock,Host},Files); send_files({_Sock,_Host},[]) -> done. diff --git a/lib/runtime_tools/src/percept_profile.erl b/lib/runtime_tools/src/percept_profile.erl index ceec4d3b89..1e8e913b80 100644 --- a/lib/runtime_tools/src/percept_profile.erl +++ b/lib/runtime_tools/src/percept_profile.erl @@ -87,7 +87,7 @@ start(Filename, Options) -> start(Filename, {Module, Function, Args}, Options) -> case whereis(percept_port) of undefined -> - profile_to_file(Filename, Options), + {ok, _} = profile_to_file(Filename, Options), erlang:apply(Module, Function, Args), stop(); Port -> @@ -113,7 +113,7 @@ deliver_all_trace() -> -spec stop() -> 'ok' | {'error', 'not_started'}. stop() -> - erlang:system_profile(undefined, [runnable_ports, runnable_procs]), + _ = erlang:system_profile(undefined, [runnable_ports, runnable_procs]), erlang:trace(all, false, [procs, ports, timestamp]), deliver_all_trace(), case whereis(percept_port) of @@ -158,7 +158,8 @@ set_tracer(Port, Opts) -> {TOpts, POpts} = parse_profile_options(Opts), % Setup profiling and tracing erlang:trace(all, true, [{tracer, Port}, timestamp | TOpts]), - erlang:system_profile(Port, POpts). + _ = erlang:system_profile(Port, POpts), + ok. %% parse_profile_options diff --git a/lib/runtime_tools/src/system_information.erl b/lib/runtime_tools/src/system_information.erl index 1add01612d..df25297eb9 100644 --- a/lib/runtime_tools/src/system_information.erl +++ b/lib/runtime_tools/src/system_information.erl @@ -31,6 +31,7 @@ -export([report/0, from_file/1, to_file/1]). + -export([start/0, stop/0, load_report/0, load_report/2, applications/0, applications/1, @@ -64,6 +65,7 @@ start() -> gen_server:start({local, ?SERVER}, ?MODULE, [], []). + stop() -> gen_server:call(?SERVER, stop, infinity). @@ -71,7 +73,7 @@ load_report() -> load_report(data, report()). load_report(file, File) -> load_report(data, from_file(File)); load_report(data, Report) -> - start(), gen_server:call(?SERVER, {load_report, Report}, infinity). + ok = start_internal(), gen_server:call(?SERVER, {load_report, Report}, infinity). report() -> [ {init_arguments, init:get_arguments()}, @@ -219,6 +221,13 @@ code_change(_OldVsn, State, _Extra) -> %% Internal functions %%=================================================================== +start_internal() -> + case start() of + {ok,_} -> ok; + {error, {already_started,_}} -> ok; + Error -> Error + end. + %% handle report values get_value([], Data) -> Data; |