Re: [Xenomai] xenomai 3.0rc4 rt_heap_alloc replies with timeout

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On Wed, May 06, 2015 at 10:21:18AM +0200, Stéphane ANCELOT wrote:
> On 05/05/2015 19:21, Gilles Chanteperdrix wrote:
> >On Tue, May 05, 2015 at 03:37:40PM +0200, Stéphane ANCELOT wrote:
> >>Hi,
> >>unfortunately, There is something wrong for unknown reason using these
> >>functions.
> >>
> >>I made a simple regression program that only create heaps and allocates
> >>area.
> >>
> >>At line 190 of the file, depending on the size value of the heap, the
> >>program works or not.
> >>This looks like corrupted memory problem...
> >I do not see anything in your reports would could make think of a
> >corrupted memory problem. Are you sure this is not simply a problem
> >in the overhead calculation? Have you tried to call rt_heap_inquire
> >between rt_heap_create and rt_heap_alloc to see if the usablemem
> >field shows a big enough value?
> >
> have a look at the program and the execution. I am a bit surprised that
> available usablemem is greater than heap size .

The question was not whether usablemem is big enough when the
allocation works, but whether it was big enough when the allocation
fails.

-- 
					    Gilles.