Chris Wright wrote:

>Great, thanks.  This is technically racy.  It's possible (albeit small
>window) that something could be delivered before this is set.
>

Yes, hard trigger but that can happen and doesn't tell too much in 
favour of me.

>Using a callback struct during registration would fix this.
>  
>

I agree, maybe something like the example patch attached. Hope that helps.

--
Pablo