mirror of
https://github.com/openRuyi-Project/gcc.git
synced 2026-06-22 11:25:52 +00:00
Michael Koch
4b6eac52d5
* gnu/java/nio/FileChannelImpl.java (read): New implementation. (implRead): New methods. (write): New implementation, call other write insteal of read method. (implWrite): New methods. (map): Added comment. (transferFrom): Implemented. (transferTo): Implemented. (lock): Added checks to throw exceptions. (truncate): Added check to throw exception. * gnu/java/nio/natFileChannelImpl.cc (implRead): New method. (implWrite): New method. * java/nio/ByteBuffer.java (hashCode): Fixed comment. (get): Fixed exception documentation. (put): Fixed exception documentation. * java/nio/CharBuffer.java: Added comment for later optimizations. From-SVN: r66373
92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
// natFileChannelImpl.cc
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/* Copyright (C) 2003 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#include <config.h>
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#include <jvm.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#include <gnu/gcj/RawData.h>
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#include <gnu/java/nio/FileChannelImpl.h>
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#include <java/io/FileDescriptor.h>
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#include <java/io/IOException.h>
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#include <java/nio/ByteBuffer.h>
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#include <java/nio/channels/FileChannel.h>
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jlong
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gnu::java::nio::FileChannelImpl::size ()
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{
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return fd->length ();
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}
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jlong
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gnu::java::nio::FileChannelImpl::implPosition ()
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{
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return fd->getFilePointer ();
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}
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java::nio::channels::FileChannel*
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gnu::java::nio::FileChannelImpl::implPosition (jlong newPosition)
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{
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fd->seek (newPosition, ::java::io::FileDescriptor::SET, true);
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return this;
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}
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jint
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gnu::java::nio::FileChannelImpl::implRead (JArray<jbyte>* buffer,
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jint offset, jint len)
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{
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return fd->read (buffer, offset, len);
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}
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jint
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gnu::java::nio::FileChannelImpl::implWrite (JArray<jbyte>* buffer,
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jint offset, jint len)
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{
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fd->write (buffer, offset, len);
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return len;
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}
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java::nio::channels::FileChannel*
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gnu::java::nio::FileChannelImpl::implTruncate (jlong size)
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{
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fd->setLength (size);
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return this;
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}
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gnu::gcj::RawData*
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gnu::java::nio::FileChannelImpl::nio_mmap_file (jlong pos, jlong size, jint /*mode*/)
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{
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throw new ::java::io::IOException (JvNewStringUTF ("mmap not implemented"));
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}
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void
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gnu::java::nio::FileChannelImpl::nio_unmmap_file (gnu::gcj::RawData* map_address, jint size)
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{
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throw new ::java::io::IOException (JvNewStringUTF ("munmap not implemented"));
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}
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void
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gnu::java::nio::FileChannelImpl::nio_msync (gnu::gcj::RawData* map_address, jint length)
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{
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throw new ::java::io::IOException (JvNewStringUTF ("msync not implemented"));
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}
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