But in any case no global between process locking through a file lock or
something of that sort, right?
L
2009/1/12 Laurent Gautier <lgaut...@gmail.com>
> Two things.
>
> rpy2.rinterface if making sure that R gets initialized only once
> (otherwise everything breaks), which translates at the level of
> rpy2.robjects as a singleton pattern (r singleton of class R).
>
> For evaluating R code, the locking is somehow ensured by Python's GIL. All
> accesses to R are at the C level, and currently none of this code is
> releasing the GIL. There a locking mechanism already present in the C code,
> but it does not have much influence in the 2.0.x serie (work on that is
> under progress, but that's for 2.1.x). When done, long evaluations of R code
> will not hold the GIL, and that locking mechanism will be making sure only
> one thread is doing R things.
>
>
>
> L.
>
>
> laurent oget wrote:
>
>> Does Rpy2 use any systemwide locking to ensure that only one instance is
>> running at a given time or is this only a process-wide logging to make sure
>> only one thread within one process is using R?
>>
>> Thanks,
>>
>> Laurent
>>
>>
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