natFileDescriptorEcos.cc [plain text]
#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>
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
java::io::FileDescriptor::init(void)
{
in = new java::io::FileDescriptor(0);
out = new java::io::FileDescriptor(1);
err = new java::io::FileDescriptor(2);
}
jboolean
java::io::FileDescriptor::valid (void)
{
return true;
}
void
java::io::FileDescriptor::sync (void)
{
#ifdef HAVE_FSYNC
#else
throw new SyncFailedException (JvNewStringLatin1 (NO_FSYNC_MESSAGE));
#endif
}
jint
java::io::FileDescriptor::open (jstring path, jint jflags)
{
return fd;
}
void
java::io::FileDescriptor::write (jint b)
{
char d = (char) b;
::diag_write (&d, 1);
}
void
java::io::FileDescriptor::write (jbyteArray b, jint offset, jint len)
{
if (! b)
throw new java::lang::NullPointerException;
if (offset < 0 || len < 0 || offset + len > JvGetArrayLength (b))
throw new java::lang::ArrayIndexOutOfBoundsException;
char *bytes = (char *)elements (b) + offset;
::diag_write (bytes, len);
}
void
java::io::FileDescriptor::close (void)
{
}
void
java::io::FileDescriptor::setLength (long)
{
}
jint
java::io::FileDescriptor::seek (jlong pos, jint whence, jboolean)
{
JvAssert (whence == SET || whence == CUR);
return 0;
}
jlong
java::io::FileDescriptor::length (void)
{
return 0;
}
jlong
java::io::FileDescriptor::getFilePointer (void)
{
return 0;
}
jint
java::io::FileDescriptor::read (void)
{
return 0;
}
jint
java::io::FileDescriptor::read (jbyteArray buffer, jint offset, jint count)
{
return 0;
}
jint
java::io::FileDescriptor::available (void)
{
return 0;
}