On Dec 4, 2007, at 1:55 PM, Thomas Inskip wrote:
Well, I am trying to detect when someone may be copying the contents of the screen. Whether through a direct frame buffer access or some API (which would presumably do a direct frame buffer access at a lower level). I would expect certain processes, such as WindowServer process to do this quite often, but not so others.
You didn't answer the question; you've just refined "how" without explaining "what". 8)
To split the hairs a bit more finely:
- do you want to know when someone might be doing it? (the answer is at any time)
- do you want to know when someone is doing it?
- do you want to be able to decide whether someone should be allowed to to it?
I suspect that what you want isn't going to be trivially available.
= Mike
On Dec 1, 2007, at 12:49 PM, Michael Smith wrote:
If so, I should be able to determine when someone obtains read access to such a port via the kernel trace facility or something similar. At least that's my idea. Perhaps I am wayyyyyyy off. Feel free to let me know if that's so or if I am oversimplifying things.
Let me ask the usual question:
What are you actually trying to do?