diff --git a/unix/x0vncserver/TimeMillis.cxx b/unix/x0vncserver/TimeMillis.cxx
new file mode 100644
index 0000000..059c043
--- /dev/null
+++ b/unix/x0vncserver/TimeMillis.cxx
@@ -0,0 +1,49 @@
+/* Copyright (C) 2006 Constantin Kaplinsky.  All Rights Reserved.
+ *    
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+//
+// TimeMillis.cxx
+//
+
+#include <x0vncserver/TimeMillis.h>
+
+// XXX Lynx/OS 2.3: get proto for gettimeofday()
+#ifdef Lynx
+#include <sys/proto.h>
+#endif
+
+TimeMillis::TimeMillis()
+{
+  update();
+}
+
+bool TimeMillis::update()
+{
+  struct timezone tz;
+  return (gettimeofday(&m_timeval, &tz) == 0);
+}
+
+int TimeMillis::diffFrom(const TimeMillis &older) const
+{
+  int diff = (int)
+    ((m_timeval.tv_usec - older.m_timeval.tv_usec + 500) / 1000 +
+     (m_timeval.tv_sec - older.m_timeval.tv_sec) * 1000);
+
+  return diff;
+}
+