Re: [Boost-users] [thread] await hangs when using boost::promise/future

Subject: Re: [Boost-users] [thread] await hangs when using boost::promise/future
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2015-01-25 07:26:52

Le 25/01/15 13:07, TONGARI J a écrit :
> 2015-01-25 16:43 GMT+08:00 Vicente J. Botet Escriba 
> <vicente.botet_at_[hidden] <mailto:vicente.botet_at_[hidden]>>:
>
>     Le 17/01/15 14:45, TONGARI J a écrit :
>
>         Hi,
>
>         The sample code is here:
>         https://gist.github.com/jamboree/3b8716ad1922749e77ae
>
>         The boost::future adaption code is adapted from N4286.
>
>         Tested with VS2015 preview.
>         If std::promise is passed, the code works fine.
>         Any clue why it hangs if boost::promise is passed?
>
>
>
>     Hi,
>
>     I've been working on a possible fix on this branch
>     https://github.com/boostorg/thread/tree/fix/blocking_future.
>
>     I have found a lot of issues on the current implementation and
>     most of them are fixed now (weel at least I think so), however I
>     have yet some issues with shared_future::then.
>
>     Please, could you give a try to this branch?
>
>
> Doesn't seem to change the behavior.
>
> That said, I'm not sure what the correct adaption code for 
> boost::future would be, as you guys pointed out, the code extracted 
> from N4286 isn't quite correct. And I also found other bugs in their 
> await implementation, but I'm not sure it's relevant to this problem...
>
> Anyway, thanks for looking into this, though I was just playing with 
> the proposed await, not really for practical work.
>
Let me know if you get something working.

Vicente