diff options
Diffstat (limited to 'libjava/gnu/java/nio/channels/natFileChannelEcos.cc')
-rw-r--r-- | libjava/gnu/java/nio/channels/natFileChannelEcos.cc | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/libjava/gnu/java/nio/channels/natFileChannelEcos.cc b/libjava/gnu/java/nio/channels/natFileChannelEcos.cc new file mode 100644 index 000000000..78575e7e6 --- /dev/null +++ b/libjava/gnu/java/nio/channels/natFileChannelEcos.cc @@ -0,0 +1,192 @@ +// natFileDescriptor.cc - Native part of FileDescriptor class. + +/* Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +#include <config.h> + +#include <errno.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/param.h> + +#include <gcj/cni.h> +#include <jvm.h> +#include <java/io/FileDescriptor.h> +#include <java/io/SyncFailedException.h> +#include <java/io/IOException.h> +#include <java/io/EOFException.h> +#include <java/lang/ArrayIndexOutOfBoundsException.h> +#include <java/lang/NullPointerException.h> +#include <java/lang/String.h> +#include <java/io/FileNotFoundException.h> +#include <gnu/java/nio/MappedByteBufferImpl.h> +#include <java/nio/channels/FileChannel.h> +#include <java/nio/channels/FileLock.h> +#include <gnu/java/nio/channels/FileChannelImpl.h> + +using gnu::gcj::RawData; +using java::io::IOException; +using gnu::java::nio::MappedByteBufferImpl; +using java::io::InterruptedIOException; +using java::io::FileNotFoundException; +using java::lang::ArrayIndexOutOfBoundsException; +using java::lang::NullPointerException; +using gnu::java::nio::channels::FileChannelImpl; + +extern "C" void diag_write_char (char c); + +static void +diag_write (char *data, int len) +{ + while (len > 0) + { + diag_write_char (*data++); + len--; + } +} + +#define NO_FSYNC_MESSAGE "sync unsupported" + +void +FileChannelImpl::init(void) +{ + in = new FileChannelImpl((jint) 0, FileChannelImpl::READ); + out = new FileChannelImpl((jint) 1, FileChannelImpl::WRITE); + err = new FileChannelImpl((jint) 2, FileChannelImpl::WRITE); +} + +#if 0 +jboolean +FileChannelImpl::valid (void) +{ + return true; +} + +void +FileChannelImpl::sync (void) +{ + // Some files don't support fsync. We don't bother reporting these + // as errors. +#ifdef HAVE_FSYNC +#else + throw new SyncFailedException (JvNewStringLatin1 (NO_FSYNC_MESSAGE)); +#endif +} +#endif + +jint +FileChannelImpl::open (jstring, jint) +{ + return fd; +} + +void +FileChannelImpl::write (jint) +{ + char d = (char) b; + ::diag_write (&d, 1); +} + +void +FileChannelImpl::write (jbyteArray b, jint offset, jint len) +{ + if (! b) + throw new NullPointerException; + if (offset < 0 || len < 0 || offset + len > JvGetArrayLength (b)) + throw new ArrayIndexOutOfBoundsException; + char *bytes = (char *)elements (b) + offset; + ::diag_write (bytes, len); +} + +void +FileChannelImpl::implCloseChannel (void) +{ +} + +void +FileChannelImpl::implTruncate (jlong) +{ +} + +void +FileChannelImpl::seek (jlong) +{ +} + +jlong +FileChannelImpl::size (void) +{ + return 0; +} + +jlong +FileChannelImpl::implPosition (void) +{ + return 0; +} + +jint +FileChannelImpl::read (void) +{ + return 0; +} + +jint +FileChannelImpl::read (jbyteArray buffer, jint offset, jint count) +{ + return 0; +} + +jint +FileChannelImpl::available (void) +{ + return 0; +} + +jboolean +FileChannelImpl::lock (jlong, jlong, jboolean, jboolean) +{ + throw new IOException (JvNewStringLatin1 + ("gnu.java.nio.FileChannelImpl.lock() not implemented")); +} + +void +FileChannelImpl::unlock (jlong, jlong) +{ + throw new IOException (JvNewStringLatin1 + ("gnu.java.nio.channels.FileChannelImpl.unlock() not implemented")); +} + +java::nio::MappedByteBuffer * +FileChannelImpl::mapImpl (jchar, jlong, jint) +{ + return NULL; +} + +void +MappedByteBufferImpl::unmapImpl () +{ +} + +void +MappedByteBufferImpl::loadImpl () +{ +} + +jboolean +MappedByteBufferImpl::isLoadedImpl () +{ + return true; +} + +void +MappedByteBufferImpl::forceImpl () +{ +} |