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Re: [Openexr-devel] OpenEXR from shared libs.

From: darby johnston
Subject: Re: [Openexr-devel] OpenEXR from shared libs.
Date: Mon, 5 Mar 2007 14:00:45 -0800 (PST)

--- Paul Schneider <address@hidden> wrote:

> I was surprised to find that on OS X 10.4, I
> was able to  
> write a simple test program that pushed an array
> onto the stack that  
> was the same size as those used by IlmImf.  But, the
> confidence tests  
> still crashed if I disabled the AutoArray for OS X.

You can also use getrlimit to query the stack size.

> I didn't look into it more closely, but maybe the
> problem was that  
> the IlmImf code was running on threads with much
> smaller stacks than  
> my single-threaded test app.

For 10.4 the process stack size is 8MB, but the
pthread size only 512KB, so that makes sense.

> It came in handy when OpenEXR was ported
> to Windows, which  
> also seems to have small fixed-size stacks.

The default is 1MB in windows for programs and
threads; you can change this either at link time or
per thread.


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