Something needs to happen with shared, and soon.

[deadalnix]

Le 13/11/2012 23:07, Peter Alexander a écrit :
> On Tuesday, 13 November 2012 at 21:56:21 UTC, Andrei Alexandrescu wrote:
>> On 11/13/12 1:28 PM, Walter Bright wrote:
>>> On 11/13/2012 1:11 AM, luka8088 wrote:
>>>> This clarifies a lot, but still a lot of people get confused with:
>>>> http://dlang.org/faq.html#shared_memory_barriers
>>>> is it a faq error ?
>>>
>>> Andrei is a proponent of having shared to memory barriers, I disagree
>>> with him. We haven't convinced each other yet, so this is a bit up in
>>> the air.
>>
>> Wait, then what would shared do? This is new to me as I've always
>> assumed you and I have the same view on this.
>>
>> Andrei
>
> I'm speaking out of turn, but...
>
> I'll flip that around: what would shared do if there were memory barriers?
>
> Walter has said previously in this thread that shared is to be used to
> mark shared data, and disallow any potentially non-thread-safe
> operations. To use shared data, you need to manually lock it and then
> cast away the shared temporarily. This can be made more pleasant with
> library utilities.
>

It cannot unless some ownership is introduced in D.