--- gvpe/src/iom.h	2005/03/07 01:31:26	1.28
+++ gvpe/src/iom.h	2006/01/11 21:27:05	1.30
@@ -16,7 +16,7 @@
  
     You should have received a copy of the GNU General Public License
     along with gvpe; if not, write to the Free Software
-    Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
 #ifndef IOM_H__
@@ -126,7 +126,7 @@
 };
 
 #if IOM_IO
-enum { EVENT_READ = 1, EVENT_WRITE = 2 };
+enum { EVENT_UNDEF = -1, EVENT_NONE = 0, EVENT_READ = 1, EVENT_WRITE = 2 };
 
 struct io_watcher : watcher, callback2<void, io_watcher &, short> {
   int fd;