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From Jim Jagielski <>
Subject Re: Additing a storage for the shared information of the worker in mod_proxy
Date Thu, 13 Jul 2006 16:12:28 GMT

On Jul 13, 2006, at 11:55 AM, Jean-frederic Clere wrote:

> With such an interface you assume only one process will access to  
> one slot... That is what the scoreboard allows.
> Allowing updates from different proccesses on the same slot.
> Should we have an ap_slot_read_look() and an ap_slot_unlock() for  
> that?

Having some external (or even internal) process update
a slot that isn't "its own" is dangerous. And the required
locking would be slow.

The scoreboard works as well as it does because
we restrict write only to the owner of the slot.

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