[kepler-dev] Thread synchronization in org.kepler.objectmanager.cache.DataCacheManager?
berkley at nceas.ucsb.edu
Tue Aug 16 13:34:22 PDT 2005
I'm currently working on that class. It has many issues, this one only
being one of them. Thanks for pointing it out though. I'll make sure I
add this to the list of things to fix.
Kevin Ruland wrote:
> Hi all
> While exploring the code, I noticed something which raised my internal
> alarm. In org.kepler.objectmanager.cache.DataCacheManager.saveCache()
> method, there is a spin lock on the variable mDoingSave. I have a
> couple of concerns about this. First the code optimizer might eliminate
> the loop because it doesn't do anything. Second, because there are no
> synchronized keywords about, this code, even if it functions, is a race
> Matt mentioned to me that this method might only be used during
> application shutdown. However, it's called from
> which by name alone does not seem likely to be called during shutdown.
> He also said that this class is currently under active development and I
> might have caught it in an unsavory state.
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