[ECOS] A safe way to print debug output in DSRs ?

[Jonathan Larmour]

Fabrice Gautier wrote:
> 
> I'm looking for a safeway to print debug ouput while in a DSR.
> 
> Printf is not safe for it locks a mutex.
> 
> The weird thing is that AFAICS it uses this mutex only when using the
> thread-safe printf option. Could this mean that the not thread safe printf
> call is more safe for DSRs?

Yes, but any threads that used printf wouldn't be using it in a thread-safe
way. If this isn't going to happen, then go ahead and disable the option.

> Or is there another call that is safe? What about diag_printf?

diag_printf is probably a better option since it's only simple debug output
you want. Just include <cyg/infra/diag.h> and go from there.

Jifl
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