diff options
Diffstat (limited to 'erts/preloaded/src/prim_inet.erl')
-rw-r--r-- | erts/preloaded/src/prim_inet.erl | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl index cc2711b540..d5abdd2483 100644 --- a/erts/preloaded/src/prim_inet.erl +++ b/erts/preloaded/src/prim_inet.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2018. All Rights Reserved. +%% Copyright Ericsson AB 2000-2019. 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. @@ -172,8 +172,18 @@ close(S) when is_port(S) -> %% and is a contradiction in itself. %% We have hereby done our best... %% - Tref = erlang:start_timer(T * 1000, self(), close_port), - close_pend_loop(S, Tref, undefined); + case subscribe(S, [subs_empty_out_q]) of + {ok, [{subs_empty_out_q,0}]} -> + close_port(S); + {ok, [{subs_empty_out_q,N}]} when N > 0 -> + %% Wait for pending output to be sent + Tref = erlang:start_timer(T * 1000, self(), close_port), + close_pend_loop(S, Tref, N); + _ -> + %% Subscribe failed - wait full time + Tref = erlang:start_timer(T * 1000, self(), close_port), + close_pend_loop(S, Tref, undefined) + end; _ -> % Regard this as {ok,{false,_}} case subscribe(S, [subs_empty_out_q]) of {ok, [{subs_empty_out_q,N}]} when N > 0 -> @@ -2679,12 +2689,13 @@ get_ip6([X1,X2,X3,X4,X5,X6,X7,X8,X9,X10,X11,X12,X13,X14,X15,X16 | T]) -> ?u16(X9,X10),?u16(X11,X12),?u16(X13,X14),?u16(X15,X16)}, T }. +-define(ERTS_INET_DRV_CONTROL_MAGIC_NUMBER, 16#03f1a300). %% Control command ctl_cmd(Port, Cmd, Args) -> ?DBG_FORMAT("prim_inet:ctl_cmd(~p, ~p, ~p)~n", [Port,Cmd,Args]), Result = - try erlang:port_control(Port, Cmd, Args) of + try erlang:port_control(Port, Cmd+?ERTS_INET_DRV_CONTROL_MAGIC_NUMBER, Args) of [?INET_REP_OK|Reply] -> {ok,Reply}; [?INET_REP] -> inet_reply; [?INET_REP_ERROR|Err] -> {error,list_to_atom(Err)} |