From:	spolk AT cygnus DOT com (Syd Polk)
Subject:	Re: Question about Sergey's heap change
9 Apr 1998 02:59:44 -0700 :
Message-ID:	<352C9620.61FD2B42.cygnus.cygwin32.developers@cygnus.com>
References:	<01BD634B DOT A44F7650 AT sos>
Mime-Version:	1.0
To:	"cygwin32-developers AT cygnus DOT com" <cygwin32-developers AT cygnus DOT com>

Sergey Okhapkin wrote:
> 
> Geoffrey Noer wrote:
> > > -  heap_chunk_in_mb = reg.get_key ().get_int ("heap_chunk_in_mb", 8);
> > > +  heap_chunk_in_mb = reg.get_key ().get_int ("heap_chunk_in_mb", 128);
> > >    if (heap_chunk_in_mb < 4)
> > >      {
> > >        heap_chunk_in_mb = 4;
> >
> > Are there reasons why I shouldn't make this change?
> >
> 
> With this change the heap is allocated after cygwinb19.dll (adresses
> 0x1000XXXX). Some shitware (for example, Xemacs, configured without
> "--gung-ho" option) thinks that all pointers have the highest byte set to
> zero and uses this byte for storing some internal info.
> 
> --
> Sergey Okhapkin, http://www.lexa.ru/sos
> Moscow, Russia

I thought old Mac code was the only software that did that...

Syd Polk

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