From: sos AT buggy DOT prospect DOT com DOT ru (Sergey Okhapkin)
Subject: RE: Question about Sergey's heap change
8 Apr 1998 13:35:17 -0700
Message-ID: <01BD634B.A44F7650.cygnus.cygwin32.developers@sos>
To: "cygwin32-developers AT cygnus DOT com" <cygwin32-developers AT cygnus DOT com>,
        "'Geoffrey Noer'" <noer AT cygnus DOT com>

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