--- a/jdk/src/java.base/unix/native/libnet/AbstractPlainDatagramSocketImpl.c	Tue Sep 08 14:40:19 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-/*
- * Copyright (c) 2014, 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 <sys/types.h>
-#include <sys/socket.h>
-
-#ifdef __solaris__
-#include <unistd.h>
-#include <stropts.h>
-
-#ifndef BSD_COMP
-#define BSD_COMP
-#endif
-
-#endif
-
-#include <sys/ioctl.h>
-
-#include "jvm.h"
-#include "jni_util.h"
-#include "net_util.h"
-
-#include "java_net_AbstractPlainDatagramSocketImpl.h"
-
-static jfieldID IO_fd_fdID;
-
-static jfieldID apdsi_fdID;
-
-
-/*
- * Class:     java_net_AbstractPlainDatagramSocketImpl
- * Method:    init
- * Signature: ()V
- */
-JNIEXPORT void JNICALL
-Java_java_net_AbstractPlainDatagramSocketImpl_init(JNIEnv *env, jclass cls) {
-
-    apdsi_fdID = (*env)->GetFieldID(env, cls, "fd",
-                                   "Ljava/io/FileDescriptor;");
-    CHECK_NULL(apdsi_fdID);
-
-    IO_fd_fdID = NET_GetFileDescriptorID(env);
-}
-
-/*
- * Class:     java_net_AbstractPlainDatagramSocketImpl
- * Method:    dataAvailable
- * Signature: ()I
- */
-JNIEXPORT jint JNICALL Java_java_net_AbstractPlainDatagramSocketImpl_dataAvailable
-(JNIEnv *env, jobject this) {
-    int fd, retval;
-
-    jobject fdObj = (*env)->GetObjectField(env, this, apdsi_fdID);
-
-    if (IS_NULL(fdObj)) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
-                        "Socket closed");
-        return -1;
-    }
-    fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
-
-    if (ioctl(fd, FIONREAD, &retval) < 0) {
-        return -1;
-    }
-    return retval;
-}