--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/windows/native/sun/nio/ch/Iocp.c	Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,147 @@
+/*
+ * 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 "jni.h"
+#include "jni_util.h"
+#include "jlong.h"
+#include "nio.h"
+#include "nio_util.h"
+
+#include "sun_nio_ch_Iocp.h"
+
+
+static jfieldID completionStatus_error;
+static jfieldID completionStatus_bytesTransferred;
+static jfieldID completionStatus_completionKey;
+static jfieldID completionStatus_overlapped;
+
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Iocp_initIDs(JNIEnv* env, jclass this)
+{
+    jclass clazz;
+
+    clazz = (*env)->FindClass(env, "sun/nio/ch/Iocp$CompletionStatus");
+    if (clazz == NULL) {
+        return;
+    }
+    completionStatus_error = (*env)->GetFieldID(env, clazz, "error", "I");
+    if (completionStatus_error == NULL) return;
+    completionStatus_bytesTransferred = (*env)->GetFieldID(env, clazz, "bytesTransferred", "I");
+    if (completionStatus_bytesTransferred == NULL) return;
+    completionStatus_completionKey = (*env)->GetFieldID(env, clazz, "completionKey", "I");
+    if (completionStatus_completionKey == NULL) return;
+    completionStatus_overlapped = (*env)->GetFieldID(env, clazz, "overlapped", "J");
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_nio_ch_Iocp_createIoCompletionPort(JNIEnv* env, jclass this,
+    jlong handle, jlong existingPort, jint completionKey, jint concurrency)
+{
+    HANDLE port = CreateIoCompletionPort((HANDLE)jlong_to_ptr(handle),
+                                         (HANDLE)jlong_to_ptr(existingPort),
+                                         (DWORD)completionKey,
+                                         (DWORD)concurrency);
+    if (port == NULL) {
+        JNU_ThrowIOExceptionWithLastError(env, "CreateIoCompletionPort failed");
+    }
+    return ptr_to_jlong(port);
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Iocp_close0(JNIEnv* env, jclass this,
+    jlong handle)
+{
+    HANDLE h = (HANDLE)jlong_to_ptr(handle);
+    CloseHandle(h);
+}
+
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Iocp_getQueuedCompletionStatus(JNIEnv* env, jclass this,
+    jlong completionPort, jobject obj)
+{
+    DWORD bytesTransferred;
+    DWORD completionKey;
+    OVERLAPPED *lpOverlapped;
+    BOOL res;
+
+    res = GetQueuedCompletionStatus((HANDLE)jlong_to_ptr(completionPort),
+                                  &bytesTransferred,
+                                  &completionKey,
+                                  &lpOverlapped,
+                                  INFINITE);
+    if (res == 0 && lpOverlapped == NULL) {
+        JNU_ThrowIOExceptionWithLastError(env, "GetQueuedCompletionStatus failed");
+    } else {
+        DWORD ioResult = (res == 0) ? GetLastError() : 0;
+        (*env)->SetIntField(env, obj, completionStatus_error, ioResult);
+        (*env)->SetIntField(env, obj, completionStatus_bytesTransferred,
+            (jint)bytesTransferred);
+        (*env)->SetIntField(env, obj, completionStatus_completionKey,
+            (jint)completionKey);
+        (*env)->SetLongField(env, obj, completionStatus_overlapped,
+            ptr_to_jlong(lpOverlapped));
+
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_Iocp_postQueuedCompletionStatus(JNIEnv* env, jclass this,
+    jlong completionPort, jint completionKey)
+{
+    BOOL res;
+
+    res = PostQueuedCompletionStatus((HANDLE)jlong_to_ptr(completionPort),
+                                     (DWORD)0,
+                                     (DWORD)completionKey,
+                                     NULL);
+    if (res == 0) {
+        JNU_ThrowIOExceptionWithLastError(env, "PostQueuedCompletionStatus");
+    }
+}
+
+JNIEXPORT jstring JNICALL
+Java_sun_nio_ch_Iocp_getErrorMessage(JNIEnv* env, jclass this, jint errorCode)
+{
+    WCHAR message[255];
+
+    DWORD len = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM,
+                               NULL,
+                               (DWORD)errorCode,
+                               0,
+                               &message[0],
+                               255,
+                               NULL);
+
+
+    if (len == 0) {
+        return NULL;
+    } else {
+        return (*env)->NewString(env, (const jchar *)message, (jsize)wcslen(message));
+    }
+}