Re: [Threads-devel] boost futures vs C++0x futures

Subject: Re: [Threads-devel] boost futures vs C++0x futures
From: Anthony Williams (anthony_at_[hidden])
Date: 2010-03-04 04:32:18

On 04/03/10 09:20, Matthias Vallentin wrote:
> On Wed, Mar 03, 2010 at 10:44:51PM +0000, Anthony Williams wrote:
>> * The get_state, is_ready, has_value and has_exception members have gone.
>
> Did the removal of has_exception change the exception propagation
> semantics?

No. The removal of the query functions was due to disagreement about how 
the query functions should behave with futures from 
std::async(std::launch::sync)

> For example, will and exception thrown from a packaged_task
> propagate?

Yes.

Anthony
-- 
Author of C++ Concurrency in Action     http://www.stdthread.co.uk/book/
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