9719e37cec
2004-01-23 Michael Koch <konqueror@gmx.de> * gnu/java/nio/FileLockImpl.java: Fixed filename in copyright. (released): Removed. (finalize): New method. * gnu/java/nio/natFileLockImpl.cc (releaseImpl): Implemented. * java/nio/channels/FileChannelImpl.java: Reworked imports. (lock): Implemented. (lockImpl): New method. (tryLock): Implemented. (tryLockImpl): New method. * java/nio/channels/natFileChannelImpl.cc (lockImpl): New method. (tryLockImpl): New method. From-SVN: r76422
110 lines
2.7 KiB
C++
110 lines
2.7 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/FileLockImpl.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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#include <java/nio/channels/FileChannelImpl.h>
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#include <java/nio/channels/FileLock.h>
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jlong
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java::nio::channels::FileChannelImpl::size ()
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{
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return fd->getLength ();
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}
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jlong
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java::nio::channels::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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java::nio::channels::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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java::nio::channels::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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java::nio::channels::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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java::nio::channels::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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java::nio::channels::FileChannelImpl::nio_mmap_file (jlong /*pos*/, jlong /*size*/,
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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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java::nio::channels::FileChannelImpl::nio_unmmap_file (gnu::gcj::RawData* /*address*/,
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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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java::nio::channels::FileChannelImpl::nio_msync (gnu::gcj::RawData* /*map_address*/,
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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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void
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java::nio::channels::FileChannelImpl::lockImpl(jlong position, jlong size, jboolean shared)
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{
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// FIXME: shared is unused, write is always true.
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fd->lock(position, size, true);
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}
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jboolean
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java::nio::channels::FileChannelImpl::tryLockImpl(jlong position, jlong size, jboolean shared)
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{
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// FIXME: shared is unused, write is always true.
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return fd->tryLock(position, size, true);
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}
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