--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/sun/nio/ch/FileDispatcher.c	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,147 @@
+/*
+ * Copyright 2000-2002 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 "jni.h"
+#include "jni_util.h"
+#include "jvm.h"
+#include "jlong.h"
+#include "sun_nio_ch_FileDispatcher.h"
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+#include <sys/uio.h>
+#include "nio_util.h"
+
+
+static int preCloseFD = -1;     /* File descriptor to which we dup other fd's
+                                   before closing them for real */
+
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_FileDispatcher_init(JNIEnv *env, jclass cl)
+{
+    int sp[2];
+    if (socketpair(PF_UNIX, SOCK_STREAM, 0, sp) < 0) {
+        JNU_ThrowIOExceptionWithLastError(env, "socketpair failed");
+        return;
+    }
+    preCloseFD = sp[0];
+    close(sp[1]);
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_FileDispatcher_read0(JNIEnv *env, jclass clazz,
+                             jobject fdo, jlong address, jint len)
+{
+    jint fd = fdval(env, fdo);
+    void *buf = (void *)jlong_to_ptr(address);
+
+    return convertReturnVal(env, read(fd, buf, len), JNI_TRUE);
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_FileDispatcher_pread0(JNIEnv *env, jclass clazz, jobject fdo,
+                            jlong address, jint len, jlong offset)
+{
+    jint fd = fdval(env, fdo);
+    void *buf = (void *)jlong_to_ptr(address);
+
+    return convertReturnVal(env, pread64(fd, buf, len, offset), JNI_TRUE);
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_nio_ch_FileDispatcher_readv0(JNIEnv *env, jclass clazz,
+                              jobject fdo, jlong address, jint len)
+{
+    jint fd = fdval(env, fdo);
+    struct iovec *iov = (struct iovec *)jlong_to_ptr(address);
+    if (len > 16) {
+        len = 16;
+    }
+    return convertLongReturnVal(env, readv(fd, iov, len), JNI_TRUE);
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_FileDispatcher_write0(JNIEnv *env, jclass clazz,
+                              jobject fdo, jlong address, jint len)
+{
+    jint fd = fdval(env, fdo);
+    void *buf = (void *)jlong_to_ptr(address);
+
+    return convertReturnVal(env, write(fd, buf, len), JNI_FALSE);
+}
+
+JNIEXPORT jint JNICALL
+Java_sun_nio_ch_FileDispatcher_pwrite0(JNIEnv *env, jclass clazz, jobject fdo,
+                            jlong address, jint len, jlong offset)
+{
+    jint fd = fdval(env, fdo);
+    void *buf = (void *)jlong_to_ptr(address);
+
+    return convertReturnVal(env, pwrite64(fd, buf, len, offset), JNI_FALSE);
+}
+
+JNIEXPORT jlong JNICALL
+Java_sun_nio_ch_FileDispatcher_writev0(JNIEnv *env, jclass clazz,
+                                       jobject fdo, jlong address, jint len)
+{
+    jint fd = fdval(env, fdo);
+    struct iovec *iov = (struct iovec *)jlong_to_ptr(address);
+    if (len > 16) {
+        len = 16;
+    }
+    return convertLongReturnVal(env, writev(fd, iov, len), JNI_FALSE);
+}
+
+static void closeFileDescriptor(JNIEnv *env, int fd) {
+    if (fd != -1) {
+        int result = close(fd);
+        if (result < 0)
+            JNU_ThrowIOExceptionWithLastError(env, "Close failed");
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_FileDispatcher_close0(JNIEnv *env, jclass clazz, jobject fdo)
+{
+    jint fd = fdval(env, fdo);
+    closeFileDescriptor(env, fd);
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_FileDispatcher_preClose0(JNIEnv *env, jclass clazz, jobject fdo)
+{
+    jint fd = fdval(env, fdo);
+    if (preCloseFD >= 0) {
+        if (dup2(preCloseFD, fd) < 0)
+            JNU_ThrowIOExceptionWithLastError(env, "dup2 failed");
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_sun_nio_ch_FileDispatcher_closeIntFD(JNIEnv *env, jclass clazz, jint fd)
+{
+    closeFileDescriptor(env, fd);
+}