Re: Linux tty layer hackery: Heads up and RFC

[Rogier Wolff]

On Thu, Jul 21, 2005 at 06:46:32PM +0100, Alan Cox wrote:
> int tty_prepare_flip_string(tty, strptr, len)
> 
> Adjust the buffer to allow len characters to be added. Returns a buffer
> pointer in strptr and the length available. This allows for hardware
> that needs to use functions like insl or mencpy_fromio.

Ok, So then I start copying characters into the flipstring, but how do
I say I'm done?

Or is there a race between that I call tty_prepare_flip_string, and
other processes start pulling my not-yet-filled string from the
buffer? (Surely not!)

	Roger. 

-- 
** R.E.Wolff@xxxxxxxxxxxx ** http://www.BitWizard.nl/ ** +31-15-2600998 **
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