A question about moving GC

[Stewart Gordon]

Walter Bright wrote:
> Stewart Gordon wrote:
<snip>
>> Would it remain pinned indefinitely, until the C function exits, or 
>> until the program explicitly unpins it by some means?
> 
> It's pinned because it's on the stack, just like pointers on the stack 
> for your D functions. The gc doesn't know the difference.

But what if the foreign code needs to hold onto the pointer for longer 
than it can remain on the stack?

Stewart.