diff options
Diffstat (limited to 'lib/kernel/src/inet_sctp.erl')
| -rw-r--r-- | lib/kernel/src/inet_sctp.erl | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/lib/kernel/src/inet_sctp.erl b/lib/kernel/src/inet_sctp.erl index 30c0e85dd9..795bf83807 100644 --- a/lib/kernel/src/inet_sctp.erl +++ b/lib/kernel/src/inet_sctp.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2007-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 2007-2010. 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 %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. -%% +%% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. -%% +%% %% %CopyrightEnd% %% %% SCTP protocol contribution by Leonid Timochouk and Serge Aleynikov. @@ -64,16 +64,22 @@ close(S) -> listen(S, Flag) -> prim_inet:listen(S, Flag). +%% A non-blocking connect is implemented when the initial call is to +%% gen_sctp:connect_init which passes the value nowait as the Timer connect(S, Addr, Port, Opts, Timer) -> case prim_inet:chgopts(S, Opts) of ok -> case prim_inet:getopt(S, active) of {ok,Active} -> - Timeout = inet:timeout(Timer), + Timeout = if Timer =:= nowait -> + infinity; %% don't start driver timer in inet_drv + true -> + inet:timeout(Timer) + end, case prim_inet:connect(S, Addr, Port, Timeout) of - ok -> + ok when Timer =/= nowait -> connect_get_assoc(S, Addr, Port, Active, Timer); - Err1 -> Err1 + OkOrErr1 -> OkOrErr1 end; Err2 -> Err2 end; @@ -89,10 +95,10 @@ connect(S, Addr, Port, Opts, Timer) -> %% connect_get_assoc/5 below mistakes it for an invalid response %% for a socket in {active,false} or {active,once} modes. %% -%% In {active,true} mode it probably gets right, but it is -%% a blocking connect that is implemented even for {active,true}, -%% and that may be a shortcoming. A non-blocking connect -%% would be nice to have. +%% In {active,true} mode the window of time for the race is smaller, +%% but it is possible and also it is a blocking connect that is +%% implemented even for {active,true}, and that may be a +%% shortcoming. connect_get_assoc(S, Addr, Port, false, Timer) -> case recv(S, inet:timeout(Timer)) of |