[Twisted-Python] How can I keep data integrity in multiple threads environment
Phil Mayers
p.mayers at imperial.ac.uk
Mon Dec 12 12:15:17 EST 2005
Kaladan wrote:
> Hello,
>
> I am new to twisted and I have a few questions: I have implemented a
> TCPServer
> and the associated Factory, which manages data and dispatches treatments
> (According to the tutorial it's not the best solution but actually this is
> not
> the point ;) )
>
> All of the treatments run in threads and thus use shared data. The allData
> dictionnary is critical since it can be used by multiple threads. How can I
> keep
> the allData integrity ? Does Twisted core provide such facilites or do I
> have to use semaphore or other stuff ?
You have to do it yourself. Twisted is not thread-safe and does not
provide any thread support beyond the two most basic methods to talk to
threads: deferToThread/callInThread and callFromThread
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