diff --git a/unix/x0vncserver/PollingScheduler.cxx b/unix/x0vncserver/PollingScheduler.cxx
index c9d8d60..65420ff 100644
--- a/unix/x0vncserver/PollingScheduler.cxx
+++ b/unix/x0vncserver/PollingScheduler.cxx
@@ -55,6 +55,11 @@
   m_initialState = true;
 }
 
+bool PollingScheduler::isRunning()
+{
+  return !m_initialState;
+}
+
 void PollingScheduler::newPass()
 {
   TimeMillis timeNow;