Re: [boost] [thread] possible raise in future?

Subject: Re: [boost] [thread] possible raise in future?
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2013-02-03 12:07:48

Le 03/02/13 17:21, Oliver Kowalke a écrit :
>> both uses are protected with boost::unique_lock<boost::mutex> &lock. Am I
> missing something?
>> Best,
>> Vicente
> Oh - I see you have already answered.
>
> I'm not shure if reordering is still possible. Var done is not volatile and
> because the implementation is in the header it might be inlined.
> I don't know if the lock creates something like a memory barrier (happend
> before etc.).
Well, a lock is a lock. Its purpose is to protect from race conditions, 
so I don't see where the problem could come from.

> I'm using your future implementation - I replaced mutex and condition with
> my own implementation (using atomics).
> Unit-test which use future do sometimes not return. If I use
> condition::wait() instead of future<>::wait() the code works perfect.
> Of curse it might be possible that my impl is buggy (but I use simple
> spinlock).
> What I want to say - I'm uncertain.
>
>
I suspect that I could not help you there.

Best,
Vicente