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malloc problem



Samuel Bitton wrote:
> Sorry forgot to mention, I'm using RTEMS 4.6.6.
> Also note that I've tried calloc which gives me the same problem.
Your application isn't calling malloc/calloc from an ISR
or a code section with thread dispatching disabled, is it?

T.
>
> ------------------------------------------------------------------------
> *From:* rtems-users-bounces+s.bitton=sstl.co.uk at rtems.org 
> [mailto:rtems-users-bounces+s.bitton=sstl.co.uk at rtems.org] *On Behalf 
> Of *Samuel Bitton
> *Sent:* 11 May 2007 10:27
> *To:* RTEMS Users Mailing List
> *Subject:* malloc problem
>
> I am working on an application running on 386 with custom built BSP.
>  
> Calls to malloc in my application keep returning a null value. 
> malloc_free_space reports a free heap of 3.9M (as I would expect for 
> my configuration).
> I've tried multiple calls to malloc interleaved with a check of the 
> free heap and it indicates that the free heap goes down correctly in 
> line with the memory I try to malloc but malloc always returns null.
>  
> Is that a known bug with malloc? Or am I missing something somewhere?
>  
> Thanks for your helps
>  
> Sam
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