Properly handle infinite timeout in zmq_poll()

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/xszmq.cpp b/src/xszmq.cpp
index 21db52c..d54920b 100644
--- a/src/xszmq.cpp
+++ b/src/xszmq.cpp
@@ -379,7 +379,8 @@ int zmq_recv (void *s, zmq_msg_t *msg, int flags)
 
 int zmq_poll (zmq_pollitem_t *items, int nitems, long timeout)
 {
-    return xs_poll ((xs_pollitem_t*) items, nitems, (int) (timeout / 1000));
+    return xs_poll ((xs_pollitem_t*) items, nitems,
+        timeout < 0 ? -1 : (int) (timeout / 1000));
 }
 
 int zmq_device (int device, void *frontend, void *backend)