There is also a second question. How do you ensure the read is for the right
data when you are sharing a file handle with another thread..
ioctl() has the nice property that an in/out ioctl is implicitly synchronized
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to email@example.com
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/