Re: X15 alpha release: as fast as TUX but in user space (fwd)

[Gregory Maxwell]

On Thu, May 03, 2001 at 05:44:36PM +1000, Keith Owens wrote:
> On 03 May 2001 09:13:00 +0200, 
> [EMAIL PROTECTED] (Kai Henningsen) wrote:
> >[EMAIL PROTECTED] (Pavel Machek)  wrote on 30.04.01 in 
><[EMAIL PROTECTED]>:
> >
> >> PS: Hmm, how do you do timewarp for just one userland appliation with
> >> this installed?
> >
> >1. What on earth for?
> 
> Y10K testing :)
> 
> >2. How do you do it today, and why wouldn't that work?
> 
> LD_PRELOAD on a library that overrides gettimeofday().  I can see no
> reason why that would not continue to work.  What would stop working
> are timewarp modules that intercepted the syscall at the kernel level
> instead of user space level.

It would just have to be done a differnt way.. For those applications you
make a differnt magic page and redirect them there.
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