EXPERIMENTAL: tevent_kqueue support

[Richard Sharpe]

On Mon, Feb 18, 2013 at 3:40 PM, Richard Sharpe
<realrichardsharpe at gmail.com> wrote:
> On Sun, Feb 17, 2013 at 8:07 AM, Stefan (metze) Metzmacher
> <metze at samba.org> 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.
>>
>> I'm also thinking about having a fallback handler in the kqueue backend
>> and use it if available from the standard backend.
>
> OK, this failed on FreeBSD 8.0 for two reasons:
>
> 1. Need some include files.
>
> -bash-4.0$ diff -up lib/tevent/tevent_kqueue.c.orig lib/tevent/tevent_kqueue.c
> --- lib/tevent/tevent_kqueue.c.orig     2013-02-18 23:23:38.049899845 -0800
> +++ lib/tevent/tevent_kqueue.c  2013-02-18 23:24:16.258133294 -0800
> @@ -29,6 +29,9 @@
>  #include "tevent.h"
>  #include "tevent_internal.h"
>  #include "tevent_util.h"
> +#include <sys/types.h>
> +#include <sys/event.h>
> +#include <sys/time.h>
>
>  struct kqueue_event_context {
>         struct tevent_context *ev;
>
>
> 2. A weird error
>
> [3743/3985] abi_check: bin/default/librpc/libndr.so
> Traceback (most recent call last):
>   File "/usr/local/lib/python2.6/logging/__init__.py", line 773, in emit
>     stream.write(fs % msg.encode("UTF-8"))
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xb5 in position
> 389: ordinal not in range(128)
> Traceback (most recent call last):
>   File "/usr/local/lib/python2.6/logging/__init__.py", line 773, in emit
>     stream.write(fs % msg.encode("UTF-8"))
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xe8 in position
> 357: ordinal not in range(128)
> Waf: Leaving directory `/home/rsharpe/panzura-samba-master/bin'
> Build failed: ABI for libndr.so has changed - please fix library
> version then build with --abi-update
> See http://wiki.samba.org/index.php/Waf#ABI_Checking for more information
> If you have not changed any ABI, and your platform always gives this
> error, please configure with --abi-check-disable to skip this check
> make: *** [all] Error 1
>
> I don't know about this second error before. I don't think I have seen
> it. Checking a build without the kqueue stuff now.

OK, configure --abi-check-disable fixed this, but I normally don't
have to do that with my Master build on FreeBSD.

-- 
Regards,
Richard Sharpe
(何以解憂？唯有杜康。--曹操)