[Dan..]

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Originally Posted by ****** OK, I have a few new points. 1) You could really do with more Mutexes IMHO. Currently if "ProcessQueryThread" is running, "sql_query" (and probably other natives, I've not looked) will hang until all pending queries are complete, making multiple threads almost pointless in that case. Or instead of mutexes a lock-free single producer/single consumer list implementation (I'm know these exist). In short, the mutexes are held by a thread for FAR too long. Edit: http://www.boost.org/doc/libs/1_53_0.../lockfree.html 2) On a similar note, even non-threaded queries currently obtain the Mutex and thus wait for pending operations when there's no need for them to enter a protected section at all.

Yes. I'm aware of that. I've been looking for a thread-safe map, but failed to find any. Boost seems to provide only stacks and queues.

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Originally Posted by ****** 3) It would be VERY helpful if "Unload" completed pending queries instead of dropping them, for example to save user data on server end.

When the server crashes the queries are discarded anyway. I was thinking on creating a new native (something like mysql_wait) which would block the execution of the script until all sql queries have been executed. (Very useful if you use threaded queries to save data in OnGameModeExit)