Subj : Re: Memory Barriers, Compiler Optimizations, etc.
To   : comp.programming.threads
From : Neill Clift [MSFT]
Date : Mon Feb 07 2005 07:36 pm

"SenderX" <xxx@xxx.com> wrote in message 
news:F6-dnZxMFdIjZprfRVn-gw@comcast.com...
>>> Is this safe?
>>>
>>
>> Yes. As another poster mentions a less contrived example
>> would be using say InterlockedCompareExchange to do
>> one time initialization and if the call fails using the return
>> as the initialized value.
>
> If the initialized value was a pointer to a new object, would the pointed 
> to object be fully visible?

I mentioned this case in another post. I beleive that the answer
should be yes and would likely log bugs if I found a current
platform with an issue like this. Clearly you would need
ordering on the creation side also.
Neill.

.