> And when that's done you have some nice bonuses:
>
> - All event types are reported equally fast, and in a single
> system call (read()).
>
> - The order in which events occurred is preserved.
> (This is lost when you have to scan multiple queues).
>
> - Hierarchies of event sets of any kind are possible.
> (epoll has solved the logical problems of this already).
>
> - Less code duplicated.
>
> - Adding new kinds of kernel events becomes _very_ simple.
Hmm ... using read() you'll lose the timeout capability, that IMHO is
pretty nice.
- Davide
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