From 310dafbc754b53a2b97fc74b94970b04ca8b68c7 Mon Sep 17 00:00:00 2001
From: Min RK <benjaminrk@gmail.com>
Date: Thu, 29 Sep 2016 15:44:31 +0200
Subject: [PATCH] zmq_poll returns 0 on timeout

not -1, ETIMEDOUT like zmq_poller
---
 src/zmq.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/zmq.cpp b/src/zmq.cpp
index 91b6c8a2..bb79f5df 100644
--- a/src/zmq.cpp
+++ b/src/zmq.cpp
@@ -780,6 +780,9 @@ inline int zmq_poller_poll (zmq_pollitem_t *items_, int nitems_, long timeout_)
     if (rc < 0) {
         zmq_poller_destroy (&poller);
         delete [] events;
+        if (zmq_errno() == ETIMEDOUT) {
+            return 0;
+        }
         return rc;
     }