On 18-Aug-09, at 1:44 PM, Yong Li wrote:

> Hi, All,
>
> The current webkit database/storage is implemented with creating  
> new threads. But not all platform/products support mulple- 
> threading. Also, threading can be expensive on some platforms.  
> Except this database/storage implementation, WEBKIT platform- 
> crossing code can build and run in a single thread. WEBKIT  
> generally uses WebCore::Timer To avoid blocking UI. Another way to  
> avoid blocking UI is to create a separate thread for UI, and WEBKIT  
> code can still run in a single-thread. Now it's broken by database/ 
> storage code, which forces to use multiple threads for WEBKIT. In  
> our WINCE port, we have implemented a single-threaded solution with  
> WebCore::Timer. The patch has been post to https://bugs.webkit.org/ 
> show_bug.cgi?id=28019 . The patch is a bit out-of-date, due to  
> changes in upstream. New patch will come soon. Please give some  
> comments if you're interested.
>
> There's a macro ENABLE_JSC_MULTIPLE_THREADS used in JSC. Probably  
> there should also be a macro ENABLE_WEBCORE_MULTIPLE_THREADS. Or  
> just use ENABLE_MULTIPLE_THREADS for all multi-threading code.

   I agree with that and I think a cleanup of the patch would make it  
a good addition.  Forcing the use of threads here is not ideal.

--
George Staikos
Torch Mobile Inc.
http://www.torchmobile.com/

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