Thread GC non "stop-the-world"

[Sean Kelly via Digitalmars-d]

On Thursday, 25 September 2014 at 13:55:42 UTC, Wyatt wrote:
>
> The caveat for D being this design requires read and write 
> barriers and I'm pretty sure I recall correctly that those have 
> been vetoed several times for complexity.

Pretty much for reasons of being able to call C functions and 
inline asm code.  Memory barriers may still be possible in these 
scenarios, but they would be extremely expensive.