[Cython] Acquisition counted cdef classes

[Greg Ewing]

mark florisson wrote:
> These will by default not lock for operations to allow
> e.g. one thread to iterate over the list and another thread to index
> it without lock contention and other general overhead.

I don't think that's safe. You can't say "I'm not modifying
this, so I don't need to lock it" because there may be another
thread that *is* in the midst of modifying it.

-- 
Greg