On 04/14/2013 11:01 AM, Stanislav Meduna wrote:
> Hi,
>
> I know this is not a kernel-related question, but I think the amount of
> people doing realtime here is probably the largest.
>
> As learned the hard-way the glibc is not (yet) realtime capable and
> first changes are now starting to trickle in. Even if I try to fix known
> places, who knows what, where and for how long is locked.
>
> What userspace (libc / threads / malloc) are you using for realtime
> applications? From my quick research:
PI mutexes are not sufficient to make malloc deterministic. I guess if
you are looking for a deterministic malloc, you should have a look at TLSF.
You can probably get the replacement malloc be used by glibc by using
LD_PRELOAD techniques (but OK, it would be just a hack).
--
Gilles.
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