--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/native/sun/nio/ch/WindowsAsynchronousServerSocketChannelImpl.c	Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#include <windows.h>
+#include <winsock2.h>
+
+#include "jni.h"
+#include "jni_util.h"
+#include "jlong.h"
+#include "nio.h"
+#include "nio_util.h"
+#include "net_util.h"
+
+#include "sun_nio_ch_WindowsAsynchronousServerSocketChannelImpl.h"
+
+
+#ifndef WSAID_ACCEPTEX
+#define WSAID_ACCEPTEX {0xb5367df1,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
+#endif
+
+#ifndef SO_UPDATE_ACCEPT_CONTEXT
+#define SO_UPDATE_ACCEPT_CONTEXT 0x700B
+#endif
+
+
+typedef BOOL (*AcceptEx_t)
+(
+    SOCKET sListenSocket,
+    SOCKET sAcceptSocket,
+    PVOID lpOutputBuffer,
+    DWORD dwReceiveDataLength,
+    DWORD dwLocalAddressLength,
+    DWORD dwRemoteAddressLength,
+    LPDWORD lpdwBytesReceived,
+    LPOVERLAPPED lpOverlapped
+);
+
+
+static AcceptEx_t AcceptEx_func;
+
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_WindowsAsynchronousServerSocketChannelImpl_initIDs(JNIEnv* env, jclass this) {
+    GUID GuidAcceptEx = WSAID_ACCEPTEX;
+    SOCKET s;
+    int rv;
+    DWORD dwBytes;
+
+    s = socket(AF_INET, SOCK_STREAM, 0);
+    if (s == INVALID_SOCKET) {
+        JNU_ThrowIOExceptionWithLastError(env, "socket failed");
+        return;
+    }
+    rv = WSAIoctl(s,
+                  SIO_GET_EXTENSION_FUNCTION_POINTER,
+                  (LPVOID)&GuidAcceptEx,
+                  sizeof(GuidAcceptEx),
+                  &AcceptEx_func,
+                  sizeof(AcceptEx_func),
+                  &dwBytes,
+                  NULL,
+                  NULL);
+    if (rv != 0)
+        JNU_ThrowIOExceptionWithLastError(env, "WSAIoctl failed");
+    closesocket(s);
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_WindowsAsynchronousServerSocketChannelImpl_accept0(JNIEnv* env, jclass this,
+    jlong listenSocket, jlong acceptSocket, jlong ov, jlong buf)
+{
+    BOOL res;
+    SOCKET s1 = (SOCKET)jlong_to_ptr(listenSocket);
+    SOCKET s2 = (SOCKET)jlong_to_ptr(acceptSocket);
+    PVOID outputBuffer = (PVOID)jlong_to_ptr(buf);
+
+    DWORD nread = 0;
+    OVERLAPPED* lpOverlapped = (OVERLAPPED*)jlong_to_ptr(ov);
+    ZeroMemory((PVOID)lpOverlapped, sizeof(OVERLAPPED));
+
+    res = (*AcceptEx_func)(s1,
+                           s2,
+                           outputBuffer,
+                           0,
+                           sizeof(SOCKETADDRESS)+16,
+                           sizeof(SOCKETADDRESS)+16,
+                           &nread,
+                           lpOverlapped);
+    if (res == 0) {
+        int error = WSAGetLastError();
+        if (error == ERROR_IO_PENDING) {
+            return IOS_UNAVAILABLE;
+        }
+        JNU_ThrowIOExceptionWithLastError(env, "AcceptEx failed");
+        return IOS_THROWN;
+    }
+
+    return 0;
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_WindowsAsynchronousServerSocketChannelImpl_updateAcceptContext(JNIEnv* env, jclass this,
+    jlong listenSocket, jlong acceptSocket)
+{
+    SOCKET s1 = (SOCKET)jlong_to_ptr(listenSocket);
+    SOCKET s2 = (SOCKET)jlong_to_ptr(acceptSocket);
+
+    setsockopt(s2, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, (char *)&s1, sizeof(s1));
+}
+
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_WindowsAsynchronousServerSocketChannelImpl_closesocket0(JNIEnv* env, jclass this,
+    jlong socket)
+{
+    SOCKET s = (SOCKET)jlong_to_ptr(socket);
+
+    if (closesocket(s) == SOCKET_ERROR)
+        JNU_ThrowIOExceptionWithLastError(env, "closesocket failed");
+}