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

[Florian Kainz]

Setting the stack size for the threads created by the
IlmImf library seems to be the most satisfying approach.
No additional preprocessor or configure script magic
is necessary, and BSD gets better performance by
allocating AutoArrays on the stack instead of the heap.

Florian

darby johnston wrote:
> --- Bob Friesenhahn <address@hidden>
> wrote:
>
> > If the crummy pre-processor define approach is to be
> > used, then all the *BSDs should be covered
>
> Ok, did some searching and apparently the default
> thread stack size has been a problem on freebsd
> before:
>
> http://lists.freebsd.org/pipermail/freebsd-threads/2004-November/002699.html
>
> The consensus seemed to be that they would raise the
> default to be more in line with linux, but apparently
> it's still not enough (looks like it's set to a
> megabyte on my 32-bit test machine). Anyways, one of
> the posts suggests the most portable way is to just
> set the stack limit manually through the pthreads api:
>
> pthread_attr_getstacksize()
> pthread_attr_setstacksize()
>
> I just tried this setting it to 2 megs, and the
> confidence tests pass ok.
>
>
> Darby
>
>
>
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