I tested the final patch and it doesn't work on the file heap.h.
It seems I haven't the same code in the file at start. I use xenomai-2.3.1.
For which version is the patch?
Thanks
On 5/10/07, Gilles Chanteperdrix <[EMAIL PROTECTED]> wrote:
Philippe Gerum wrote:
> On Thu, 2007-05-10 at 16:53 +0200, Gilles Chanteperdrix wrote:
>
>>Philippe Gerum wrote:
>>
>>>On Thu, 2007-05-10 at 11:33 +0200, Gilles Chanteperdrix wrote:
>>>
>>>
>>>>Philippe Gerum wrote:
>>>>
>>>>>xnfreesafe was meant to prevent the caller from releasing some memory
it
>>>>>could still rely on, e.g. stack space, by postponing the actual
release
>>>>>until the idle thread is resumed. In your case, the problem is that
it
>>>>>does not account for the primary/secondary mode of a shadow thread.
>>>>
>>>>I am not so sure. I mean, even if the thread was deleted from the
>>>>context of another thread, the two hooks would be invoked and we would
>>>>need the free operation to be deferred until after the execution of
the
>>>>second hook.
>>>>
>>>
>>>
>>>The point is that deletion hooks are always called on behalf of the
>>>exiting thread in secondary mode, so if xnfreesafe properly identifies
>>>the caller as the current thread - regardless of its exec mode - then
>>>the deferral should always take place. But I agree on the fact that we
>>>should always end up running the deferred call in this context anyway,
>>>so we would be better off calling xnheap_schedule_free() directly.
>>
>>That is why, since xnfreesafe was only called in this precise context, I
>>redefined it to call xnheap_schedule_free directly.
>>
>
>
> Well, ok. But we may need the xnfreesafe() interface in the future, the
> way it was designed initially, I mean. So let's call
> xnheap_schedule_free directly when needed.
>
Hence the final patch:
--
Gilles Chanteperdrix
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