java.io.JikesRVMSupport.getFd(fd),
native_fd,
    protected void listen(int backlog) throws java.io.IOException {	VM_BootRecord bootRecord = VM_BootRecord.the_boot_record;	int rc = VM.sysCall2(bootRecord.sysNetSocketListenIP,			     java.io.JikesRVMSupport.getFd(fd),			     backlog);		if (rc == -1)	    throw new SocketException();    }