On Thu, Nov 18, 2010 at 2:54 PM, Frank Mori Hess <frank.hess@nist.gov> wrote:

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On Thursday 18 November 2010, Trin Trin wrote:
> Hi Boosters,
>
> recently I became interested in Boost and I've also been studying your
> thread synchronization primitives. I was very surprised, that nobody
> implemented MVars before. It is a very powerful synchronization
> primitive.

At a glance, it looks very similar to futures (which are part of the
upcoming standard, and I think have been added to Boost.Thread). Is there
something I'm missing?

It seems to me that promise/future are only designed to handle a single task. Much like Deferred in python-twisted. I don't see a (reasonably readable) possibility to use promise/future to implement multi-producer - multi-consumer scenario. The MVars sure can be used to implement promise/future, but I don't see an easy way the other way around.

Cheers,

Martin

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