diff options
Diffstat (limited to 'lib/kernel/src/socket.erl')
| -rw-r--r-- | lib/kernel/src/socket.erl | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/lib/kernel/src/socket.erl b/lib/kernel/src/socket.erl index c188f516a1..ccacb84293 100644 --- a/lib/kernel/src/socket.erl +++ b/lib/kernel/src/socket.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2020-2021. All Rights Reserved. +%% Copyright Ericsson AB 2020-2022. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -104,6 +104,8 @@ sockaddr_in6/0, sockaddr_un/0, sockaddr_ll/0, + sockaddr_dl/0, + sockaddr_unspec/0, sockaddr_native/0, msg_flag/0, @@ -317,6 +319,13 @@ outgoing | loopback | user | kernel | fastroute | non_neg_integer(). +-type hatype() :: netrom | eether | ether | ax25 | pronet | chaos | + ieee802 | arcnet | appletlk | dlci | atm | metricom | + ieee1394 | eui64 | infiniband | + tunnel | tunnel6 | loopback | localtlk | + none | void | + non_neg_integer(). + -type sockaddr_un() :: #{family := 'local', path := binary() | string()}. @@ -336,8 +345,16 @@ protocol := non_neg_integer(), ifindex := integer(), pkttype := packet_type(), - hatype := non_neg_integer(), + hatype := hatype(), addr := binary()}. +-type sockaddr_dl() :: + #{family := 'link', + index := non_neg_integer(), + type := non_neg_integer(), + nlen := non_neg_integer(), + alen := non_neg_integer(), + slen := non_neg_integer(), + data := binary()}. -type sockaddr_unspec() :: #{family := 'unspec', addr := binary()}. -type sockaddr_native() :: @@ -347,6 +364,7 @@ sockaddr_in6() | sockaddr_un() | sockaddr_ll() | + sockaddr_dl() | sockaddr_unspec() | sockaddr_native(). @@ -619,7 +637,7 @@ %% Even if we are able to decode both level and type, we may not be %% able to decode the data. The data is always delivered as a binary() %% and a decoded value is delivered in the 'value' field, if decoding -%% is succesful. +%% is successful. -type cmsg() :: cmsg_recv() | cmsg_send(). @@ -806,7 +824,7 @@ number_of() -> %% *** which_sockets/0,1 *** %% %% Interface function to the socket registry -%% Returns a list of all the sockets, accoring to the filter rule. +%% Returns a list of all the sockets, according to the filter rule. %% -spec which_sockets() -> [socket()]. @@ -976,7 +994,7 @@ use_registry(D) when is_boolean(D) -> %% %% This produces a list of "all" the sockets, and some info about each one. %% This function is intended as a utility and debug function. -%% The sockets can be selected from domain, type or porotocol. +%% The sockets can be selected from domain, type or protocol. %% The sockets are not sorted. %% %% =========================================================================== @@ -1206,8 +1224,18 @@ fmt_port(N, Proto) -> -spec info() -> info(). %% info() -> - prim_socket:info(). - + try + prim_socket:info() + catch error:undef:ST -> + case ST of + %% We rewrite errors coming from prim_socket not existing + %% to enotsup. + [{prim_socket,info,[],_}|_] -> + erlang:raise(error,notsup,ST); + _ -> + erlang:raise(error,undef,ST) + end + end. -spec info(Socket) -> socket_info() when Socket :: socket(). @@ -1277,7 +1305,7 @@ cancel_monitor(MRef) -> %% %% supports - get information about what the platform "supports". %% -%% Generates a list of various info about what the plaform can support. +%% Generates a list of various info about what the platform can support. %% The most obvious case is 'options'. %% %% Each item in a 'supports'-list will appear only *one* time. @@ -1338,7 +1366,7 @@ is_supported(options, Level, Opt) when is_atom(Level), is_atom(Opt) -> %% The nif sets up a monitor to this process, and if it dies the socket %% is closed. It is also used if someone wants to monitor the socket. %% -%% We may therefor need monitor function(s): +%% We may therefore need monitor function(s): %% %% socket:monitor(Socket) %% socket:demonitor(Socket) @@ -3945,7 +3973,7 @@ setopt_native(Socket, SocketOption, Value) -> %% If its an "invalid" option, we should not crash but return some %% useful error... %% -%% When specifying level as an integer, and therefor using "native mode", +%% When specifying level as an integer, and therefore using "native mode", %% we should make it possible to specify common types instead of the %% value size. Example: int | bool | {string, pos_integer()} | non_neg_integer() %% |