EXPERIMENTAL: tevent_kqueue support

[Stefan (metze) Metzmacher]

Am 20.02.2013 01:50, schrieb Jeremy Allison:
> On Sun, Feb 17, 2013 at 05:07:30PM +0100, Stefan (metze) Metzmacher wrote:
>> Hi Timur,
>>
>> I've started with a tevent_kqueue implementation
>> (just looking at the man page).
>>
>> It compiles for me on linux with the 2nd HACK patch.
>>
>> Can you have a look and test it?
>>
>> @Jeremy: we may want to pick up some of the simplified logic into the
>> epoll backend:
>>          kqueue_update_fd_event() instead of
>>          epoll_add_event/epoll_mod_event/epoll_del_event/epoll_change_event.
> 
> Don't think that will work. The difference between epoll/kqueue
> is that kqueue doesn't seem to have the restriction on adding
> 2 events with the same fd, which means we'd have to migrate
> all the logic in my epoll patch into a epoll_update_fd_event
> function, which might get rather messy :-).

We already had a epoll_change_event(), which I renamed to
epoll_update_event()
and used in all places instead of using epoll_{add,mod,del}_event directly.

I current epoll patchset is attached, please take a look, but don't push
it to master yet.

metze
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