--- a/jdk/src/share/classes/sun/nio/ch/IOUtil.java	Wed Jun 06 10:05:54 2012 +0800
+++ b/jdk/src/share/classes/sun/nio/ch/IOUtil.java	Wed Jun 06 17:59:29 2012 +0100
@@ -334,6 +334,8 @@
 
     static native void setfdVal(FileDescriptor fd, int value);
 
+    static native int fdLimit();
+
     static native void initIDs();
 
     static {