[Vortex] Patch: Use "const" appropriately in API; add logging mutex

[Francis Brosnan Blazquez]

Hi Jens,

> > 3) vortex_frame_get_error_message code parameter was not updated
> to  
> > use
> > const char *.
> 
> It shouldn't return a const pointer, because the string has to be  
> freed by the caller.

Yap, i meant the code parameter received (not the data returned by the
function). 

> > In the same direction, having this activated makes the global
> context
> > execution to behave in a really different way (than executing
> without
> > log) because all threads are synchronized by log calls
> 
> That's true, I hadn't considered how that could affect the behavior
> of  
> the program. I agree that turning on the mutex should be optional,
> then.
> 
> Thanks for taking the patch and for your additional work!

;-)

> One more minor change I'd like to make: Allow the "log level" to be  
> configured, so that for example I could reduce the verbosity by  
> turning on 'warning' but not 'debug' level logging. 

Sounds like a good a idea Jens..

> It's probably  
> best, then, if I check out top-of-tree from SVN and submit a patch  
> based on that, to avoid a lot of merging on your end.

Good, 
Cheers!

> --Jens

-- 
Francis Brosnan Blazquez <francis at aspl.es>
Advanced Software Production Line, S.L.