copy on write has the advantage when it comes to iterating over the list.
the locking needs to be there because we lock on pagemaps and not on
session, so two pages in different pagemaps would need to be synced.
-igor
On 3/31/07, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
> Yeah, that does sound like overkill in a single-threaded environment.
> What other thread would ever be accessing a session's feedback messages?
Furthermore, copy on write is efficient when there are lots of reads
and just a couple of writes, but that's not the case I think. So
normal synchronization would almost certain be more efficient here.
Eelco
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