Fiber implementation questions

[David Nadlinger via Digitalmars-d]

On Tuesday, 21 June 2016 at 16:12:13 UTC, Steven Schveighoffer 
wrote:
> On 6/21/16 11:43 AM, Dicebot wrote:
>> On Tuesday, 21 June 2016 at 12:18:37 UTC, Steven Schveighoffer 
>> wrote:
>>> On 6/21/16 6:14 AM, Dicebot wrote:
>>>httpthub.com/dlang/druntime/blob/master/src/core/thread.d#L1611
>>>
>>
>> I suspected something like this, it explains a lot. Do you 
>> know why this
>> approach was chosen instead of simply registering allocated 
>> memory for
>> GC scan? Does GC has special approach for stack scanning which 
>> differs
>> from normal memory?
>
> There must be a reason, I think maybe Martin or Sean would know 
> more.

You don't want to be scanning the unused part of the stack 
region. -David