jdk/src/windows/native/sun/nio/ch/nio_util.h
author alanb
Thu, 17 Jun 2010 17:49:59 +0100
changeset 5804 faf9bd47d6ce
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child 7668 d4a77089c587
permissions -rw-r--r--
6395224: (so) SocketChannel writer blocked on large buffer is not preempted by close method (vista) Reviewed-by: chegar
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/*
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 * Copyright (c) 2001, 2003, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#include "jni.h"
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/**
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 * The maximum buffer size for WSASend/WSARecv. Microsoft recommendation for
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 * blocking operations is to use buffers no larger than 64k. We need the
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 * maximum to be less than 128k to support asynchronous close on Windows
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 * Server 2003 and newer editions of Windows.
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 */
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#define MAX_BUFFER_SIZE             ((128*1024)-1)
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jint fdval(JNIEnv *env, jobject fdo);
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jlong handleval(JNIEnv *env, jobject fdo);
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jboolean isNT();
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jint convertReturnVal(JNIEnv *env, jint n, jboolean r);
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jlong convertLongReturnVal(JNIEnv *env, jlong n, jboolean r);
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jboolean purgeOutstandingICMP(JNIEnv *env, jclass clazz, jint fd);
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jint handleSocketError(JNIEnv *env, int errorValue);
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#ifdef _WIN64
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struct iovec {
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    jlong  iov_base;
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    jint  iov_len;
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};
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#else
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struct iovec {
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    jint  iov_base;
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    jint  iov_len;
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};
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#endif