Why _ThreadProcessSignalsFromIrq() in new exception processing?

[Sergei Organov]

Eric Valette <eric.valette at free.fr> writes:
> Sergei Organov wrote:
> 
> >  Where? In the comments? Just telling
> > it's infrequent doesn't make it infrequent. From Joel's explanations I've
> > drawn a conclusion that it could be rather frequent if application uses
> > POSIX signals heavily. Am I mistaken?
> 
> Yes: you must use signal in an ISR routine to signal the thread you are
> currently running which is rather not frequent...

When I send a signal, I send it to a particular thread. Where is the evidence
that this particular thread is not executing most of times I send the signal?

-- 
Sergei.