1.7.0 CVS mmap failure

Corinna Vinschen corinna-cygwin@cygwin.com
Tue Jan 9 15:08:00 GMT 2007

On Jan  7 11:51, Corinna Vinschen wrote:
> On Jan  5 15:15, Brian Ford wrote:
> > On Fri, 5 Jan 2007, Corinna Vinschen wrote:
> > 
> > > "overmap"?  -v please?
> > 
> > Posix symantics: mmap fixed region x, mmap fixed region y which is a
> > subregion of x where y replaces x's mapping.
> AFAIK that doesn't work on Windows.  But, somebody has to test it(tm).

I just tried it, it doesn't work.  As I expected I get a status
C0000018, STATUS_CONFLICTING_ADDRESSES, which translates into Win32
error 487 ERROR_INVALID_ADDRESS.  You have to unmap the space before
you can reuse it for another mapping.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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