[2/3] kernel32/heap: Fix some hacks in GlobalMemoryStatus(). (try 2)

Alexandre Julliard julliard at winehq.org
Fri Jun 3 15:06:46 CDT 2011

Adam Martinson <amartinson at codeweavers.com> writes:

> On 06/03/2011 01:33 PM, Dmitry Timoshkov wrote:
>> Adam Martinson<amartinson at codeweavers.com>  wrote:
>>> The issue is that Dragon NaturallySpeaking 7 setup doesn't have the
>>> IMAGE_FILE_LARGE_ADDRESS_AWARE flag set, but it uses InstallShield 6 as
>>> a child process, which does have it set.  IS6 calls GlobalMemoryStatus()
>>> and passes the data back to DNS7 setup, and if you have more than 2GB
>>> RAM DNS7 setup thinks you have negative memory.  Windows figures this
>>> out and rounds to 2GB, Wine does not.
>> I'd suggest to write some tests and try to understand what does Windows
>> and at which step.
> I don't know of any way to do this with the current testing framework,
> and I think the apps that require it (DNS7 is the only one I know of)
> give us a clear enough picture.  If there are other apps that need
> specific things out of this kind of behavior then I'll try to figure
> out some way to incorporate it in the tests.

There's absolutely no reason for that flag to be inherited across
processes. You can't just try things at random until they happen to fix
your app, particularly not when the result is such a horrible mess. That
should be a hint that there's something wrong with your hypothesis.

Alexandre Julliard
julliard at winehq.org

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