diff options
Diffstat (limited to 'lib/kernel/src')
-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 |
4 files changed, 32 insertions, 10 deletions
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). |