[boost] Re: Asynchronous I/O

From: Boris (boris_at_[hidden])
Date: 2005-03-29 08:36:42

Robert Ramey wrote:
> Windows has the concept of "Overlapped I/O" which permits dispatch of
> an i/o request that invokes a call back when done.
>
> Posix has aio which functions (I believe) in a similar way.
>
> So one has the concept of asyncronous i/o without any explicit
> reference to threads at least at the application level.

I am not sure if I understand correctly. Just as Don I think we can't get 
around threads when we have callbacks. I don't know about Windows but the 
callback in aio (Posix) is done by creating a new thread.

Boris