--- a/src/java.base/linux/classes/sun/nio/ch/EPoll.java	Thu Mar 15 10:41:57 2018 +0100
+++ b/src/java.base/linux/classes/sun/nio/ch/EPoll.java	Thu Mar 15 10:47:58 2018 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -59,6 +59,10 @@
     static final int EPOLL_CTL_DEL  = 2;
     static final int EPOLL_CTL_MOD  = 3;
 
+    // events
+    static final int EPOLLIN   = 0x1;
+    static final int EPOLLOUT  = 0x4;
+
     // flags
     static final int EPOLLONESHOT   = (1 << 30);