From 288d2431d99bc9dc30c6c6e9564546399c29db60 Mon Sep 17 00:00:00 2001
From: Sean Cribbs <sean@basho.com>
Date: Wed, 6 Feb 2013 16:28:25 -0600
Subject: Fix type of error Reason on gen_tcp:send/2

When the TCP socket is in passive mode, it is possible that a close
message has not been delivered to the controlling process before
calling send/2. This results in the returning {error, closed} to the
caller, in the same way that recv/2,3 does. This commit adjusts the
type of the error "Reason" to include the atom 'closed'.
---
 lib/kernel/src/gen_tcp.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/kernel')

diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl
index ec13ab6d2e..23867300a5 100644
--- a/lib/kernel/src/gen_tcp.erl
+++ b/lib/kernel/src/gen_tcp.erl
@@ -256,7 +256,7 @@ close(S) ->
 -spec send(Socket, Packet) -> ok | {error, Reason} when
       Socket :: socket(),
       Packet :: iodata(),
-      Reason :: inet:posix().
+      Reason :: closed | inet:posix().
 
 send(S, Packet) when is_port(S) ->
     case inet_db:lookup_socket(S) of
-- 
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