[Python-Dev] Need advice, maybe support

[Christian Tismer]

Guido van Rossum wrote:

...

>>Do you think the number of bits in ml_flags might ever
>>grow beyond 16, or should I just assume that I can
>>safely abuse them?
>>
>>thanks a lot -- chris
> 
> 
> It's better to reserve bits explicitly.  Can you submit a patch to SF
> that makes reservations of the bits you need?  All they need is a
> definition of a symbol and a comment explaining what it is for;
> "reserved for Stackless" is fine.

Ok, what I'm asking for is:
"please reserve one bit for me in tp->flags" (31 preferred) and
"please reserve 8 bits for me in ml->flags" (24-31 preferred).
The latter will also not degrade performance, since
these bits shalt simply not be used, but if STACKLESS isn't
defined, there is no need to mask these bits off.
I also will name these fields in a way that makes it obvious
for everybody that they better should not touch these.

Iff you agree, I'm going to submit my patch now, and my thanks
will follow you for the rest of the subset of our lives. :)

sincerely -- chris

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