[phobos] std.atomics

[Sean Kelly]

On Jun 7, 2010, at 1:38 PM, Walter Bright wrote:
> 
> Sean Kelly wrote:
>> This module is only partially implemented and seems to conflict with using std.concurrency for concurrency stuff.  Should it be removed?
>> 
>>  
> 
> I'm not seeing where it conflicts. Concurrency is about message passing, right? I see std.atomics as an analog for C++0x atomics, which gives very low level operations for memory fences and such.

I added all the TDPL atomics stuff in core.atomic.  I could have put it in std.atomics instead I suppose, but that would have prevented its use in druntime and it seems potentially too low-level for phobos anyway.  A bit like how std.concurrency uses spawn() as a user-friendly wrapper around core.thread.
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