On 3/16/06, Soeren Sandmann <[EMAIL PROTECTED]> wrote:

> Note blocking means "no more requests are being executed until the
> property becomes true",
> not "blocked by the operating system".

Yes.  The server will buffer requests.  It's kinda like taking a grab.

> To implement this in X, an
> interrupt when vblank starts
> would be needed. But X doesn't actually implement this even for cards
> that have such an interrupt.

Well, we'll have the interrupt.  If we can get the kernel driver to
send X a signal to tell it when to release the block, we're all set.
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