[Qt-interest] thread safety of Qt containers

[Thiago Macieira]

Em Segunda-feira 26 Abril 2010, às 12:21:42, Ross Bencina escreveu:
> Thiago Macieira wrote:
> >> So... how does QtConcurrent work?
> > 
> > There's a mutex. That ensures that there's only one thread accessing the
> > container at a time.
> 
> Are there any plans for Qt to implement lock-free data structures for
> queues, stacks etc in the future?

Plans? No.

We have some research work, but no plans of productising it.

Lock-free structures are very platform-dependent, due to the differences 
between atomic and LL/SC architectures.

And x86-64's lack of 16-byte CAS in some processors.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
      PGP/GPG: 0x6EF45358; fingerprint:
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