Beispiel #1
0
static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
                         loff_t * ppos)
{
    int minor = iminor(file->f_path.dentry->d_inode);

    /* data available? */
    if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
        return 0;	// -EAGAIN makes cat whinge
    }

    return rtlx_read(minor, buffer, count);
}
Beispiel #2
0
static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
			 loff_t * ppos)
{
	int minor = iminor(file->f_path.dentry->d_inode);

	
	if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
		return 0;	
	}

	return rtlx_read(minor, buffer, count);
}