Re: [Boost-users] Await the result of several futures to chain another task

Subject: Re: [Boost-users] Await the result of several futures to chain another task
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2013-12-05 16:38:25

Le 05/12/13 19:47, Kaspar Fischer a écrit :
> Hi,
>
> If I have two futures f1 and f2, can I compose them to a future that 
> completes with the result of f1 and f2 when both f1 and f2 have 
> finished? I'd like to have a future so that I can use the then() 
> <http://www.boost.org/doc/libs/1_55_0/doc/html/thread/synchronization.html#thread.synchronization.futures.reference.unique_future> 
> method to run another transformation.
>
> I see method wait_for_all() 
> <http://www.boost.org/doc/libs/1_55_0/doc/html/thread/synchronization.html#thread.synchronization.futures.reference.wait_for_all> 
> but this method blocks.
>
>
Hi, I'm working on when_all/when_any functions, but there are a lot of 
restrictions. See [1]. I don't think it would be completely ready for 
Boost.1.56.

You can play with it, but I don't believe you could use it on a product.

Best,
Vicente

[1] 
http://svn.boost.org/svn/boost/branches/release/libs/thread/example/future_when_all.cpp.