On Tue, 27 Feb 2018 14:59:29 +0000 Anatoly Burakov <anatoly.bura...@intel.com> wrote:
> This API is similar to the blocking API that is already present, > but reply will be received in a separate callback by the caller. > > Under the hood, we create a separate thread to deal with replies to > asynchronous requests, that will just wait to be notified by the > main thread, or woken up on a timer (it'll wake itself up every > minute regardless of whether it was called, but if there are no > requests in the queue, nothing will be done and it'll go to sleep > for another minute). > > Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com> The problem with this callback model is it makes it possible to have a single wait for multiple events model (like epoll) which is the most scaleable way to write applications.
