latency optimisation for the case where there are no timers

1 files changed, 4 insertions, 0 deletions

diff --git a/src/poller_base.cpp b/src/poller_base.cpp
index d55692a..661b964 100644
--- a/src/poller_base.cpp
+++ b/src/poller_base.cpp
@@ -66,6 +66,10 @@ void zmq::poller_base_t::cancel_timer (i_poll_events *sink_, int id_)
 
 uint64_t zmq::poller_base_t::execute_timers ()
 {
+    //  Fast track.
+    if (timers.empty ())
+        return 0;
+
     //  Get the current time.
     uint64_t current = clock.now_ms ();