diff options
Diffstat (limited to 'lib/kernel')
-rw-r--r-- | lib/kernel/doc/src/error_logger.xml | 2 | ||||
-rw-r--r-- | lib/kernel/doc/src/gen_tcp.xml | 4 | ||||
-rw-r--r-- | lib/kernel/doc/src/inet.xml | 2 | ||||
-rw-r--r-- | lib/kernel/doc/src/kernel_app.xml | 2 | ||||
-rw-r--r-- | lib/kernel/src/disk_log.erl | 10 | ||||
-rw-r--r-- | lib/kernel/src/erts_debug.erl | 20 | ||||
-rw-r--r-- | lib/kernel/src/gen_tcp.erl | 6 | ||||
-rw-r--r-- | lib/kernel/src/global.erl | 10 | ||||
-rw-r--r-- | lib/kernel/src/inet.erl | 6 | ||||
-rw-r--r-- | lib/kernel/test/code_SUITE.erl | 3 | ||||
-rw-r--r-- | lib/kernel/test/gen_tcp_misc_SUITE.erl | 53 | ||||
-rw-r--r-- | lib/kernel/test/sendfile_SUITE.erl | 86 | ||||
-rw-r--r-- | lib/kernel/test/zlib_SUITE.erl | 19 |
13 files changed, 184 insertions, 39 deletions
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml index 2d95f96ac7..95b23e4aef 100644 --- a/lib/kernel/doc/src/error_logger.xml +++ b/lib/kernel/doc/src/error_logger.xml @@ -49,7 +49,7 @@ that events are logged to file instead, or not logged at all, see <seealso marker="kernel_app">kernel(6)</seealso>.</p> <p>Also the SASL application, if started, adds its own event - handler, which by default writes supervisor-, crash- and progress + handler, which by default writes supervisor, crash and progress reports to tty. See <seealso marker="sasl:sasl_app">sasl(6)</seealso>.</p> <p>It is recommended that user defined applications should report diff --git a/lib/kernel/doc/src/gen_tcp.xml b/lib/kernel/doc/src/gen_tcp.xml index 8a5d40bb16..9f362841ce 100644 --- a/lib/kernel/doc/src/gen_tcp.xml +++ b/lib/kernel/doc/src/gen_tcp.xml @@ -235,7 +235,9 @@ do_recv(Sock, Bs) -> <p>Returns <c>{ok, <anno>Socket</anno>}</c> if a connection is established, or <c>{error, closed}</c> if <c><anno>ListenSocket</anno></c> is closed, or <c>{error, timeout}</c> if no connection is established - within the specified time. May also return a POSIX error + within the specified time, + or <c>{error, system_limit}</c> if all available ports in the + Erlang emulator are in use. May also return a POSIX error value if something else goes wrong, see inet(3) for possible error values.</p> <p>Packets can be sent to the returned socket <c><anno>Socket</anno></c> diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index 1a05b4ba99..86950b3ecc 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -149,7 +149,7 @@ fe80::204:acff:fe17:bf38 <fsummary>Return a descriptive string for an error reason</fsummary> <desc> <p>Returns a diagnostic error string. See the section below - for possible <c><anno>Posix</anno></c> values and the corresponding + for possible Posix values and the corresponding strings.</p> </desc> </func> diff --git a/lib/kernel/doc/src/kernel_app.xml b/lib/kernel/doc/src/kernel_app.xml index 0f71a4f0f2..63fdc223f4 100644 --- a/lib/kernel/doc/src/kernel_app.xml +++ b/lib/kernel/doc/src/kernel_app.xml @@ -104,7 +104,7 @@ that node. <c>Value</c> is one of:</p> <taglist> <tag><c>never</c></tag> - <item>Connections are never automatically connected, they + <item>Connections are never automatically established, they must be explicitly connected. See <c>net_kernel(3)</c>.</item> <tag><c>once</c></tag> <item>Connections will be established automatically, but only diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl index fb9415d440..f5f972c112 100644 --- a/lib/kernel/src/disk_log.erl +++ b/lib/kernel/src/disk_log.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -1034,10 +1034,9 @@ sync_loop(From, S) -> -define(MAX_LOOK_AHEAD, 64*1024). %% Inlined. -log_loop(S, Pids, _Bins, _Sync, _Sz) when S#state.cache_error =/= ok -> +log_loop(#state{cache_error = CE}=S, Pids, _Bins, _Sync, _Sz) when CE =/= ok -> loop(cache_error(S, Pids)); -log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) - when Sz > ?MAX_LOOK_AHEAD -> +log_loop(#state{}=S, Pids, Bins, Sync, Sz) when Sz > ?MAX_LOOK_AHEAD -> loop(log_end(S, Pids, Bins, Sync)); log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) -> receive @@ -1046,8 +1045,7 @@ log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) -> after 0 -> loop(log_end(S, Pids, Bins, Sync)) end; -log_loop(S, Pids, Bins, Sync, Sz) -> - [M | Ms] = S#state.messages, +log_loop(#state{messages = [M | Ms]}=S, Pids, Bins, Sync, Sz) -> S1 = S#state{messages = Ms}, log_loop(M, Pids, Bins, Sync, Sz, S1, get(log)). diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 7d6a5ade94..16a773898d 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -53,6 +53,11 @@ size(Tuple, Seen0, Sum0) when is_tuple(Tuple) -> Sum = Sum0 + 1 + tuple_size(Tuple), tuple_size(1, tuple_size(Tuple), Tuple, Seen, Sum) end; +size(Fun, Seen0, Sum) when is_function(Fun) -> + case remember_term(Fun, Seen0) of + seen -> {Sum,Seen0}; + Seen -> fun_size(Fun, Seen, Sum) + end; size(Term, Seen0, Sum) -> case erts_debug:flat_size(Term) of 0 -> {Sum,Seen0}; @@ -68,6 +73,21 @@ tuple_size(I, Sz, _, Seen, Sum) when I > Sz -> tuple_size(I, Sz, Tuple, Seen0, Sum0) -> {Sum,Seen} = size(element(I, Tuple), Seen0, Sum0), tuple_size(I+1, Sz, Tuple, Seen, Sum). + +fun_size(Fun, Seen, Sum) -> + case erlang:fun_info(Fun, type) of + {type,external} -> + {Sum + erts_debug:flat_size(Fun),Seen}; + {type,local} -> + Sz = erts_debug:flat_size(fun() -> ok end), + {env,Env} = erlang:fun_info(Fun, env), + fun_size_1(Env, Seen, Sum+Sz+length(Env)) + end. + +fun_size_1([H|T], Seen0, Sum0) -> + {Sum,Seen} = size(H, Seen0, Sum0), + fun_size_1(T, Seen, Sum); +fun_size_1([], Seen, Sum) -> {Sum,Seen}. remember_term(Term, Seen) -> case gb_trees:lookup(Term, Seen) of diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl index 4d6c7f5f1d..56d0451e44 100644 --- a/lib/kernel/src/gen_tcp.erl +++ b/lib/kernel/src/gen_tcp.erl @@ -175,7 +175,7 @@ try_connect([], _Port, _Opts, _Timer, _Mod, Err) -> Port :: inet:port_number(), Options :: [listen_option()], ListenSocket :: socket(), - Reason :: inet:posix(). + Reason :: system_limit | inet:posix(). listen(Port, Opts) -> Mod = mod(Opts, undefined), @@ -194,7 +194,7 @@ listen(Port, Opts) -> -spec accept(ListenSocket) -> {ok, Socket} | {error, Reason} when ListenSocket :: socket(), Socket :: socket(), - Reason :: closed | timeout | inet:posix(). + Reason :: closed | timeout | system_limit | inet:posix(). accept(S) -> case inet_db:lookup_socket(S) of @@ -208,7 +208,7 @@ accept(S) -> ListenSocket :: socket(), Timeout :: timeout(), Socket :: socket(), - Reason :: closed | timeout | inet:posix(). + Reason :: closed | timeout | system_limit | inet:posix(). accept(S, Time) when is_port(S) -> case inet_db:lookup_socket(S) of diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl index fa97614eca..7da33859bf 100644 --- a/lib/kernel/src/global.erl +++ b/lib/kernel/src/global.erl @@ -280,13 +280,13 @@ unregister_name(Name) -> gen_server:call(global_name_server, {registrar, Fun}, infinity) end. --spec re_register_name(Name, Pid) -> _ when +-spec re_register_name(Name, Pid) -> 'yes' when Name :: term(), Pid :: pid(). re_register_name(Name, Pid) when is_pid(Pid) -> re_register_name(Name, Pid, fun random_exit_name/3). --spec re_register_name(Name, Pid, Resolve) -> _ when +-spec re_register_name(Name, Pid, Resolve) -> 'yes' when Name :: term(), Pid :: pid(), Resolve :: method(). @@ -1965,7 +1965,7 @@ resolve_it(Method, Name, Pid1, Pid2) -> minmax(P1,P2) -> if node(P1) < node(P2) -> {P1, P2}; true -> {P2, P1} end. --spec random_exit_name(Name, Pid1, Pid2) -> 'none' when +-spec random_exit_name(Name, Pid1, Pid2) -> pid() when Name :: term(), Pid1 :: pid(), Pid2 :: pid(). @@ -1976,7 +1976,7 @@ random_exit_name(Name, Pid, Pid2) -> exit(Max, kill), Min. --spec random_notify_name(Name, Pid1, Pid2) -> 'none' when +-spec random_notify_name(Name, Pid1, Pid2) -> pid() when Name :: term(), Pid1 :: pid(), Pid2 :: pid(). @@ -2175,7 +2175,7 @@ get_own_nodes() -> start_the_registrar() -> spawn_link(fun() -> loop_the_registrar() end). - + loop_the_registrar() -> receive {trans_all_known, Fun, From} -> diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 49f64a9236..4de3c1c6b1 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -1218,11 +1218,13 @@ port_list(Name) -> %% utils %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% --spec format_error(Posix) -> string() when - Posix :: posix(). +-spec format_error(Reason) -> string() when + Reason :: posix() | system_limit. format_error(exbadport) -> "invalid port state"; format_error(exbadseq) -> "bad command sequence"; +format_error(system_limit) -> + "a system limit was hit, probably not enough ports"; format_error(Tag) -> erl_posix_msg:message(Tag). diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index 99b0cd2ffb..4dfa92a755 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.erl @@ -1441,6 +1441,9 @@ filter_app("netconf",_) -> % Safe has the same kind of error in the .app file as ic filter_app("safe",_) -> false; +% Comte cannot be started in the "usual" way +filter_app("comte",_) -> + false; % OS_mon does not find it's port program when running cerl filter_app("os_mon",true) -> false; diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index 3da4b07c05..d9bba0dbb0 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -39,7 +39,8 @@ accept_timeouts_in_order/1,accept_timeouts_in_order2/1, accept_timeouts_in_order3/1,accept_timeouts_mixed/1, killing_acceptor/1,killing_multi_acceptors/1,killing_multi_acceptors2/1, - several_accepts_in_one_go/1,active_once_closed/1, send_timeout/1, send_timeout_active/1, + several_accepts_in_one_go/1, accept_system_limit/1, + active_once_closed/1, send_timeout/1, send_timeout_active/1, otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1, otp_9389/1]). @@ -71,7 +72,7 @@ all() -> accept_timeouts_in_order, accept_timeouts_in_order2, accept_timeouts_in_order3, accept_timeouts_mixed, killing_acceptor, killing_multi_acceptors, - killing_multi_acceptors2, several_accepts_in_one_go, + killing_multi_acceptors2, several_accepts_in_one_go, accept_system_limit, active_once_closed, send_timeout, send_timeout_active, otp_7731, zombie_sockets, otp_7816, otp_8102, otp_9389]. @@ -1837,6 +1838,54 @@ wait_until_accepting(Proc,N) -> end. +accept_system_limit(suite) -> + []; +accept_system_limit(doc) -> + ["Check that accept returns {error, system_limit} " + "(and not {error, enfile}) when running out of ports"]; +accept_system_limit(Config) when is_list(Config) -> + ?line {ok, LS} = gen_tcp:listen(0, []), + ?line {ok, TcpPort} = inet:port(LS), + ?line Connector = spawn_link(fun () -> connector(TcpPort) end), + ?line ok = acceptor(LS, false, []), + ?line Connector ! stop, + ok. + +acceptor(LS, GotSL, A) -> + case gen_tcp:accept(LS, 1000) of + {ok, S} -> + acceptor(LS, GotSL, [S|A]); + {error, system_limit} -> + acceptor(LS, true, A); + {error, timeout} when GotSL -> + ok; + {error, timeout} -> + error + end. + +connector(TcpPort) -> + ManyPorts = open_ports([]), + ConnF = fun (Port) -> + case catch gen_tcp:connect({127,0,0,1}, TcpPort, []) of + {ok, Sock} -> + Sock; + _Error -> + port_close(Port) + end + end, + R = [ConnF(Port) || Port <- lists:sublist(ManyPorts, 10)], + receive stop -> R end. + +open_ports(L) -> + case catch open_port({spawn_driver, "ram_file_drv"}, []) of + Port when is_port(Port) -> + open_ports([Port|L]); + {'EXIT', {system_limit, _}} -> + {L1, L2} = lists:split(5, L), + [port_close(Port) || Port <- L1], + L2 + end. + active_once_closed(suite) -> []; diff --git a/lib/kernel/test/sendfile_SUITE.erl b/lib/kernel/test/sendfile_SUITE.erl index 6d0848ee05..03704b0c04 100644 --- a/lib/kernel/test/sendfile_SUITE.erl +++ b/lib/kernel/test/sendfile_SUITE.erl @@ -26,7 +26,9 @@ all() -> [t_sendfile_small - ,t_sendfile_big + ,t_sendfile_big_all + ,t_sendfile_big_size + ,t_sendfile_many_small ,t_sendfile_partial ,t_sendfile_offset ,t_sendfile_sendafter @@ -38,20 +40,25 @@ all() -> ]. init_per_suite(Config) -> - Priv = ?config(priv_dir, Config), - SFilename = filename:join(Priv, "sendfile_small.html"), - {ok, DS} = file:open(SFilename,[write,raw]), - file:write(DS,"yo baby yo"), - file:sync(DS), - file:close(DS), - BFilename = filename:join(Priv, "sendfile_big.html"), - {ok, DB} = file:open(BFilename,[write,raw]), - [file:write(DB,[<<0:(10*8*1024*1024)>>]) || _I <- lists:seq(1,51)], - file:sync(DB), - file:close(DB), - [{small_file, SFilename}, - {file_opts,[raw,binary]}, - {big_file, BFilename}|Config]. + case {os:type(),os:version()} of + {{unix,sunos}, {5,8,_}} -> + {skip, "Solaris 8 not supported for now"}; + _ -> + Priv = ?config(priv_dir, Config), + SFilename = filename:join(Priv, "sendfile_small.html"), + {ok, DS} = file:open(SFilename,[write,raw]), + file:write(DS,"yo baby yo"), + file:sync(DS), + file:close(DS), + BFilename = filename:join(Priv, "sendfile_big.html"), + {ok, DB} = file:open(BFilename,[write,raw]), + [file:write(DB,[<<0:(10*8*1024*1024)>>]) || _I <- lists:seq(1,51)], + file:sync(DB), + file:close(DB), + [{small_file, SFilename}, + {file_opts,[raw,binary]}, + {big_file, BFilename}|Config] + end. end_per_suite(Config) -> file:delete(proplists:get_value(big_file, Config)). @@ -91,7 +98,34 @@ t_sendfile_small(Config) when is_list(Config) -> ok = sendfile_send(Send). -t_sendfile_big(Config) when is_list(Config) -> +t_sendfile_many_small(Config) when is_list(Config) -> + Filename = proplists:get_value(small_file, Config), + FileOpts = proplists:get_value(file_opts, Config, []), + + error_logger:add_report_handler(?MODULE,[self()]), + + Send = fun(Sock) -> + {Size,_} = sendfile_file_info(Filename), + N = 10000, + {ok,D} = file:open(Filename,[read|FileOpts]), + [begin + {ok,Size} = file:sendfile(D,Sock,0,0,[]) + end || _I <- lists:seq(1,N)], + file:close(D), + Size*N + end, + + ok = sendfile_send({127,0,0,1}, Send, 0), + + receive + {stolen,Reason} -> + exit(Reason) + after 200 -> + ok + end. + + +t_sendfile_big_all(Config) when is_list(Config) -> Filename = proplists:get_value(big_file, Config), Send = fun(Sock) -> @@ -103,6 +137,20 @@ t_sendfile_big(Config) when is_list(Config) -> ok = sendfile_send({127,0,0,1}, Send, 0). +t_sendfile_big_size(Config) -> + Filename = proplists:get_value(big_file, Config), + FileOpts = proplists:get_value(file_opts, Config, []), + + SendAll = fun(Sock) -> + {ok, #file_info{size = Size}} = + file:read_file_info(Filename), + {ok,D} = file:open(Filename,[read|FileOpts]), + {ok, Size} = file:sendfile(D, Sock,0,Size,[]), + Size + end, + + ok = sendfile_send({127,0,0,1}, SendAll, 0). + t_sendfile_partial(Config) -> Filename = proplists:get_value(small_file, Config), FileOpts = proplists:get_value(file_opts, Config, []), @@ -310,6 +358,10 @@ sendfile_server(ClientPid, Orig) -> -define(SENDFILE_TIMEOUT, 10000). sendfile_do_recv(Sock, Bs) -> + TimeoutMul = case os:type() of + {win32, _} -> 6; + _ -> 1 + end, receive stop when Bs /= 0,is_integer(Bs) -> gen_tcp:close(Sock), @@ -333,7 +385,7 @@ sendfile_do_recv(Sock, Bs) -> {tcp_closed, Sock} when is_integer(Bs) -> ct:log("Stopped due to close"), {ok, Bs} - after ?SENDFILE_TIMEOUT -> + after ?SENDFILE_TIMEOUT * TimeoutMul -> ct:log("Sendfile timeout"), timeout end. diff --git a/lib/kernel/test/zlib_SUITE.erl b/lib/kernel/test/zlib_SUITE.erl index 74bafe8935..e0fd0f5d19 100644 --- a/lib/kernel/test/zlib_SUITE.erl +++ b/lib/kernel/test/zlib_SUITE.erl @@ -73,6 +73,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [{group, api}, {group, examples}, {group, func}, smp, + otp_9981, otp_7359]. groups() -> @@ -964,6 +965,24 @@ otp_7359_def_inf(Data,{DefSize,InfSize}) -> ?line ok = zlib:close(ZInf), ok. +otp_9981(Config) when is_list(Config) -> + Ports = lists:sort(erlang:ports()), + Invalid = <<"My invalid data">>, + catch zlib:compress(invalid), + Ports = lists:sort(erlang:ports()), + catch zlib:uncompress(Invalid), + Ports = lists:sort(erlang:ports()), + catch zlib:zip(invalid), + Ports = lists:sort(erlang:ports()), + catch zlib:unzip(Invalid), + Ports = lists:sort(erlang:ports()), + catch zlib:gzip(invalid), + Ports = lists:sort(erlang:ports()), + catch zlib:gunzip(Invalid), + Ports = lists:sort(erlang:ports()), + ok. + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Helps with testing directly %%%%%%%%%%%%% |