aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel/src/inet_sctp.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/kernel/src/inet_sctp.erl')
-rw-r--r--lib/kernel/src/inet_sctp.erl30
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