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RE: mmap() and gcc precompiled headers
- From: "Chris January" <chris at atomice dot net>
- To: <cygwin at cygwin dot com>
- Date: Thu, 3 Jul 2003 18:59:18 +0100
- Subject: RE: mmap() and gcc precompiled headers
> On Thu, Jul 03, 2003 at 10:19:42AM -0400, Christopher Faylor wrote:
> > On Thu, Jul 03, 2003 at 11:47:28AM +0200, Corinna Vinschen wrote:
> > >Do you mean something like this:
> > >
> > > If addr is given, check if it's 64K aligned. If not, align and
> > > raise the memory requirement accordingly. Call MapViewOfFileEx
> > > with the aligned address. If it works, return the addr given as
> > > parameter, otherwise return MapViewOfFileEx(NULL).
> > How about, instead, just use the address and if it fails and is not
> > MAP_FIXED, use MapViewOfFileEx without the address?
> Yep, that's the simple approach. I dropped this suggestion from my
> original reply since it requires addr to be on a 64k boundary.
> Unfortunately I have no idea if the chance to succeed might be better
> or worse than using the more complex approach.
Just out of curiosity would a patch to support mmap on 4k boundaries be
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