--- a/jdk/src/java.base/windows/native/libnet/AbstractPlainDatagramSocketImpl.c	Wed Sep 09 12:39:45 2015 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +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 <windows.h>
-#include <winsock2.h>
-
-#include "jvm.h"
-#include "jni_util.h"
-#include "net_util.h"
-
-#include "java_net_AbstractPlainDatagramSocketImpl.h"
-
-static jfieldID IO_fd_fdID = NULL;
-static jfieldID apdsi_fdID = NULL;
-
-static jfieldID apdsi_fd1ID = NULL;
-static jclass two_stacks_clazz = NULL;
-
-
-/*
- * 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);
-    CHECK_NULL(IO_fd_fdID);
-
-    two_stacks_clazz = (*env)->FindClass(env, "java/net/TwoStacksPlainDatagramSocketImpl");
-    CHECK_NULL(two_stacks_clazz);
-
-    /* Handle both TwoStacks and DualStack here */
-
-    if (JNU_Equals(env, cls, two_stacks_clazz)) {
-        /* fd1 present only in TwoStack.. */
-        apdsi_fd1ID = (*env)->GetFieldID(env, cls, "fd1",
-                                   "Ljava/io/FileDescriptor;");
-        CHECK_NULL(apdsi_fd1ID);
-    }
-
-    JNU_CHECK_EXCEPTION(env);
-}
-
-/*
- * Class:     java_net_AbstractPlainDatagramSocketImpl
- * Method:    dataAvailable
- * Signature: ()I
- */
-JNIEXPORT jint JNICALL Java_java_net_AbstractPlainDatagramSocketImpl_dataAvailable
-(JNIEnv *env, jobject this) {
-    SOCKET fd;
-    SOCKET fd1;
-    int  rv = -1, rv1 = -1;
-    jobject fdObj = (*env)->GetObjectField(env, this, apdsi_fdID);
-
-    if (!IS_NULL(fdObj)) {
-        int retval = 0;
-        fd = (SOCKET)(*env)->GetIntField(env, fdObj, IO_fd_fdID);
-        rv = ioctlsocket(fd, FIONREAD, &retval);
-        if (retval > 0) {
-            return retval;
-        }
-    }
-
-    if (!IS_NULL(apdsi_fd1ID)) {
-        /* TwoStacks */
-        jobject fd1Obj = (*env)->GetObjectField(env, this, apdsi_fd1ID);
-        if (!IS_NULL(fd1Obj)) {
-            int retval = 0;
-            fd1 = (SOCKET)(*env)->GetIntField(env, fd1Obj, IO_fd_fdID);
-            rv1 = ioctlsocket(fd1, FIONREAD, &retval);
-            if (retval > 0) {
-                return retval;
-            }
-        }
-    }
-
-    if (rv < 0 && rv1 < 0) {
-        JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
-                            "Socket closed");
-        return -1;
-    }
-
-    return 0;
-}
-