From 361e99a9061a1ed2a8f72f188c8dd46859422cf3 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Sat, 5 Nov 2016 18:12:01 +0000
Subject: [PATCH] Problem: kFreeBSD might return ECONNRESET under load when
 destroying engine

Solution: ignore it on kFreeBSD, as it is not an error
Thanks Steven Chamberlain <steven@pyro.eu.org> for the patch!
---
 src/stream_engine.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/stream_engine.cpp b/src/stream_engine.cpp
index 8d2de8e5..2e57ec3c 100644
--- a/src/stream_engine.cpp
+++ b/src/stream_engine.cpp
@@ -156,6 +156,12 @@ zmq::stream_engine_t::~stream_engine_t ()
         wsa_assert (rc != SOCKET_ERROR);
 #else
         int rc = close (s);
+#ifdef __FreeBSD_kernel__
+        // FreeBSD may return ECONNRESET on close() under load but this is not
+        // an error.
+        if (rc == -1 && errno == ECONNRESET)
+            rc = 0;
+#endif
         errno_assert (rc == 0);
 #endif
         s = retired_fd;