Revamped concurrency API (Don can you contact Bartosz ?)

[Nick B]

Don wrote:
> Nick B wrote:
>> Don wrote:
>>> Nick B wrote:
>>>> Nick B wrote:
>>>>> Bartosz Milewski wrote:
>>>>>> Nick B Wrote:
>>>>>>>> Could you give us _any_ kind of test case (even if it's enormous)?
>>>>>>> Bartosz - are you able to provide a test case as requested by Don ?
>>>>>>> Then it might be possible, to get this bug fixed.
>>>>>>>
>>>>>>> Nick B.
>>>>>>
>>>>>> I can send you the files I have checked out.
>>>>>> The problem was in core.thread. I tried to implement a struct Tid 
>>>>>> (thread ID) with reference-counting semantics and deterministic 
>>>>>> destruction. It passed all the tests, but when it was used in one 
>>>>>> particular place in druntime it produced incorrect assembly. Even 
>>>>>> the slightest change made the bug disappear, so I wasn't able to 
>>>>>> reproduce it under controlled conditions.
>>>>>>
>>>>>> Unfortunately, I have undone some of my changes trying to bypass 
>>>>>> the bug, so at the moment I don't even have the buggy version, but 
>>>>>> it can be reconstructed. We can discuss it off-line, if you want. 
>>>>>> Use my email address with -nospam removed.
>>>>>
>>>>> Bartosz
>>>>>
>>>>> I think that Don is the best person to contact you. I will try to 
>>>>> contact him.
>>>>>
>>>>> Nick B
>>>>
>>>> Don, are you able to contact Bartosz, re the details of this test case.
>>>>
>>>> Nick B
>>>
>>> Bartosz has sent it to me. I can reproduce the error. It's my top 
>>> priority, but it'll take a while -- it's nasty.
>>
>> Don - can you advise the Bugzilla number for this ?
>>
>> thanks
>> Nick B
> 3423. My patch has already been included in the dmd svn, and Bartosz has 
> a compiled DMD with the bug fixed.

Don

Thanks for the quick response.  Hopefully Bartosz will be able to get a 
working implementation of spawn running (see his reply of 13 Oct 2009).

Nick B