src/java.base/unix/native/libnet/net_util_md.h

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -98,10 +98,11 @@
  *  Utilities
  */
 
 #ifdef __linux__
 int kernelIsV24();
+#define SO_QUICKACK 0x0C
 #ifdef AF_INET6
 int getDefaultIPv6Interface(struct in6_addr *target_addr);
 #endif
 #endif