Problem about multi-thread programming

[Tongzhou Li]

On Saturday, 5 May 2012 at 17:03:00 UTC, Chris Cain wrote:
> On Saturday, 5 May 2012 at 09:28:34 UTC, Tongzhou Li wrote:
>> On Saturday, 5 May 2012 at 09:16:04 UTC, Kagamin wrote:
>>> What's in console?
>>
>> object.Error: Access Violation
>> ----------------
>> ----------------
>>
>> Expected output:
>> 12341234123....
>>
>> PS:
>> Line 13 should be: write(Idx);
>
> By default, everything is TLS (thread local) ... so, cv[0] will 
> be null in main even though another thread set it to something 
> else.
>
> Adding __gshared in front of "Condition[4] cv;" on line 7 will 
> make it not crash with the Access Violation. However, I highly 
> recommend you read the concurrency chapter in the DPL book: 
> http://www.informit.com/articles/article.aspx?p=1609144

Thanks. Now it works fine with gdc, but still prints nothing with 
dmd. It seems that "cv[0].notify()" on line 29 affects nothing at 
all when using dmd2 :(