Re: [ros-kernel]Re: CVS commit: ReactOS

[David W. <we...@cw...>]

On Wed, May 08, 2002 at 03:29:18PM -0400, Phillip Susi wrote:
> It should not be possible to delete a section while a page is being faulted 
> in from it, because when the section is mapped, the section object should 
> be referenced, thus preventing it from being freed.  The fault doesn't need 
> to reference the section, because it is referenced as soon as it is mapped.
>
Yes but one thread in a process could be faulting on a section while the
other unmaps it. Of course this would be a very stupid application and 
it still might cause an exception but it shouldn't cause the kernel 
itself to crash or exhibit unboundedly undefined behaviour.