diff options
Diffstat (limited to 'gcc-4.2.1/libjava/gnu/java/nio/VMChannel.java')
| -rw-r--r-- | gcc-4.2.1/libjava/gnu/java/nio/VMChannel.java | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/gcc-4.2.1/libjava/gnu/java/nio/VMChannel.java b/gcc-4.2.1/libjava/gnu/java/nio/VMChannel.java deleted file mode 100644 index 23f44bbf9..000000000 --- a/gcc-4.2.1/libjava/gnu/java/nio/VMChannel.java +++ /dev/null @@ -1,199 +0,0 @@ -/* VMChannel.java -- Native interface suppling channel operations. - Copyright (C) 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.nio; - -import gnu.classpath.Configuration; -import gnu.java.net.PlainSocketImpl; -import gnu.java.nio.PipeImpl.SinkChannelImpl; -import gnu.java.nio.PipeImpl.SourceChannelImpl; -import gnu.java.nio.channels.FileChannelImpl; - -import java.io.IOException; -import java.nio.ByteBuffer; - -/** - * Native interface to support configuring of channel to run in a non-blocking - * manner and support scatter/gather io operations. - * - * @author Michael Barker <mike@middlesoft.co.uk> - * - */ -public class VMChannel -{ - private final int fd; - - private VMChannel(int fd) - { - this.fd = fd; - } - - public static VMChannel getVMChannel(PlainSocketImpl socket) - { - return new VMChannel(socket.getNativeFD()); - } - - public static VMChannel getVMChannel(SourceChannelImpl source) - { - return new VMChannel(source.getNativeFD()); - } - - public static VMChannel getVMChannel(SinkChannelImpl sink) - { - return new VMChannel(sink.getNativeFD()); - } - - public static VMChannel getVMChannel(FileChannelImpl file) - { - return null; // XXX - return new VMChannel(file.getNativeFD()); - } - - /** - * Set the file descriptor to have the required blocking - * setting. - * - * @param fd - * @param blocking - */ - public void setBlocking(int fd, boolean blocking) - { - throw new RuntimeException("XXX - Implement me!"); - } - - public void setBlocking(boolean blocking) - { - setBlocking(fd, blocking); - } - - - /** - * Reads a byte buffer directly using the supplied file descriptor. - * Assumes that the buffer is a DirectBuffer. - * - * @param fd Native file descriptor to read from. - * @param dst Direct Byte Buffer to read to. - * @return Number of bytes read. - * @throws IOException If an error occurs or dst is not a direct buffers. - */ - int read(int fd, ByteBuffer dst) - throws IOException - { - throw new IOException("XXX - Implement me!"); - } - - public int read(ByteBuffer dst) - throws IOException - { - return read(fd, dst); - } - - /** - * Reads into byte buffers directly using the supplied file descriptor. - * Assumes that the buffer list contains DirectBuffers. Will perform a - * scattering read. - * - * @param fd Native file descriptor to read from. - * @param dsts An array direct byte buffers. - * @param offset Index of the first buffer to read to. - * @param length The number of buffers to read to. - * @return Number of bytes read. - * @throws IOException If an error occurs or the dsts are not direct buffers. - */ - long readScattering(int fd, ByteBuffer[] dsts, int offset, int length) - throws IOException - { - throw new IOException("XXX - Implement me!"); - } - - public long readScattering(ByteBuffer[] dsts, int offset, int length) - throws IOException - { - if (offset + length > dsts.length) - throw new IndexOutOfBoundsException("offset + length > dsts.length"); - - return readScattering(fd, dsts, offset, length); - } - - /** - * Writes from a direct byte bufer using the supplied file descriptor. - * Assumes the buffer is a DirectBuffer. - * - * @param fd - * @param src - * @return Number of bytes written. - * @throws IOException - */ - int write(int fd, ByteBuffer src) - throws IOException - { - throw new IOException("XXX - Implement me!"); - } - - public int write(ByteBuffer src) - throws IOException - { - return write(fd, src); - } - - /** - * Writes from byte buffers directly using the supplied file descriptor. - * Assumes the that buffer list constains DirectBuffers. Will perform - * as gathering write. - * - * @param fd - * @param srcs - * @param offset - * @param length - * @return Number of bytes written. - * @throws IOException - */ - long writeGathering(int fd, ByteBuffer[] srcs, int offset, int length) - throws IOException - { - throw new IOException("XXX - Implement me!"); - } - - public long writeGathering(ByteBuffer[] srcs, int offset, int length) - throws IOException - { - if (offset + length > srcs.length) - throw new IndexOutOfBoundsException("offset + length > srcs.length"); - - return writeGathering(fd, srcs, offset, length); - } -} |
