RE: More than 2048 ptys on 2.4.27

[Tim Warnock]

> From: linux-kernel-owner@xxxxxxxxxxxxxxx 
> [mailto:linux-kernel-owner@xxxxxxxxxxxxxxx] On Behalf Of Tim Warnock
> Sent: Saturday, 28 August 2004 9:25 AM
> To: linux-kernel@xxxxxxxxxxxxxxx
> Subject: More than 2048 ptys on 2.4.27
> 
> Hi all,
> Im trying to increase ptys from 2048 to 4096 by doing these things:
> 
> Modifying include/linux/major.h:
> Increase major numbers to 16
> Move slave major start to 231 (according to docs this is 
> available for use)
> 
> This appears to work to the point that the kernel doesn't 
> panic on boot (ive
> had some fun before now ;) however when an application tries 
> to allocate a
> pty I get an: "inappropriate ioctl for device"
> 
> As a test I lowered major numbers to 4, set ptys to 1024 and 
> put slave major
> start to 138 (should have been 136) and I didn't get this error.
> 
> So my question is how do I allow the use of major numbers 231 
> through to 247
> as pty slaves and major numbers 136-144 as pty masters?

I was wondering if no-one can help specifically whether they could at least
point me in the direction I'd need to go to learn how this works.

Thanks for any assistance, its appreciated.

Tim

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