[Development] QtNetwork changes from QtDD SF 2011

[Alexis Menard]

On Dec 6, 2011, at 12:40 PM, Thiago Macieira wrote:

> On Tuesday, 6 de December de 2011 12.24.11, Peter Hartmann wrote:
>> Another interesting thing to note is that AFAIU with WebKit 2 there can 
>> be multiple web processes per application, all using the same cache (and 
>> cookie jar), so we would need to make the cache usable by several 
>> applications at the same time.
>> 
>> Maybe Webkit people can elaborate or know how other ports do that...
> 
> That's a slightly different problem. With WebKit 2, we have different processes, 
> so different instances of QAbstractNetworkCache. The problem then is not to 
> make the class be thread-safe, but to make the cache methodology be multi-
> process-safe.

Yes, that's what we need.

> 
> For example, you cannot use QMutex. You need to make it safe against another 
> process reading or writing to the cache at the same time without using the 
> normal threading primitives.

Exactly.

> 
> -- 
> Thiago Macieira - thiago.macieira (AT) intel.com
>  Software Architect - Intel Open Source Technology Center
>     Intel Sweden AB - Registration Number: 556189-6027
>     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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