Re: [PARPORT] user-space drivers

Tim Waugh (
Fri, 4 Jun 1999 20:03:11 +0100 (GMT)

On Fri, 4 Jun 1999, Alan Cox wrote:

> So they can assign the port entirely to their virtual OS. Which of
> course probably won't actually work if the port is something like a
> USB cable but anyway

Why won't that work? (I don't know _anything_ about USB..)

> The concept is sound. A usermode qcam driver for example might want to
> claim the port this way

Yes, and I imagine WINE and DOSEmu will, when the time comes. The
alternative is to ioctl(CLAIM) the port forever, which could lead to other
device drivers stalling forever in parport_claim_or_block. That's not
really fair.


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This archive was generated by hypermail 2.0b3 on Fri 04 Jun 1999 - 15:31:14 EDT