--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/unix/native/libjava/FileDescriptor_md.c	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 1997, 2013, 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
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "jvm.h"
+#include "io_util_md.h"
+
+#include "java_io_FileDescriptor.h"
+
+/*******************************************************************/
+/*  BEGIN JNI ********* BEGIN JNI *********** BEGIN JNI ************/
+/*******************************************************************/
+
+/* field id for jint 'fd' in java.io.FileDescriptor */
+jfieldID IO_fd_fdID;
+
+/**************************************************************
+ * static methods to store field ID's in initializers
+ */
+
+JNIEXPORT void JNICALL
+Java_java_io_FileDescriptor_initIDs(JNIEnv *env, jclass fdClass) {
+    IO_fd_fdID = (*env)->GetFieldID(env, fdClass, "fd", "I");
+}
+
+/**************************************************************
+ * File Descriptor
+ */
+
+JNIEXPORT void JNICALL
+Java_java_io_FileDescriptor_sync(JNIEnv *env, jobject this) {
+    FD fd = THIS_FD(this);
+    if (IO_Sync(fd) == -1) {
+        JNU_ThrowByName(env, "java/io/SyncFailedException", "sync failed");
+    }
+}