> Hm, seems messy. Note that setting up MyProc does *not*
> require LWLock access, only a spinlock (which is obviously necessary
> to avoid circularity). It might be best to replace ShmemIndexLock
> with a spinlock to reduce the amount of infrastructure that has to be live
> before we can make use of the shmem index hashtable.
That looks like a great idea.
> I don't want to abandon locking entirely, but I do think we can simplify
> the lock type if it helps make the startup sequence easier.
It would certainly do that. I'll take a look at it tonight...
Cheers,
Claudio
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