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Date:      Sun, 2 Oct 2016 09:11:12 -0500
From:      Lewis Donzis <lew@perftech.com>
To:        Jilles Tjoelker <jilles@stack.nl>
Cc:        Konstantin Belousov <kostikbel@gmail.com>, deischen@freebsd.org, freebsd-arch@freebsd.org
Subject:   Re: mq on kqueue broken after upgrade to FreeBSD 11
Message-ID:  <7A72D37B-6C57-41FE-893F-592235A19D9D@perftech.com>
In-Reply-To: <20161002132242.GA2628@stack.nl>
References:  <8A6CD0D3-C4D5-40DF-B2AD-4C454CC88AD1@perftech.com> <20160930094544.GP38409@kib.kiev.ua> <19A6EEAA-C68E-4DAD-B98F-4D904734BD8B@perftech.com> <20160930152006.GS38409@kib.kiev.ua> <20160930184418.1047afc2@kan> <20161001092515.GW38409@kib.kiev.ua> <20161001201655.GA91457@stack.nl> <20161001210722.GC38409@kib.kiev.ua> <20161001231524.GB91457@stack.nl> <20161002114613.GE38409@kib.kiev.ua> <20161002132242.GA2628@stack.nl>

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> On Oct 2, 2016, at 8:22 AM, Jilles Tjoelker <jilles@stack.nl> wrote:
>=20
> On Sun, Oct 02, 2016 at 02:46:13PM +0300, Konstantin Belousov wrote:
>> On Sun, Oct 02, 2016 at 01:15:24AM +0200, Jilles Tjoelker wrote:
>>> On Sun, Oct 02, 2016 at 12:07:22AM +0300, Konstantin Belousov wrote:
>>>> On Sat, Oct 01, 2016 at 10:16:55PM +0200, Jilles Tjoelker wrote:
>>>>> The idea is good, but perhaps call the function mq_getfd_np() to =
clarify
>>>>> it returns a file descriptor. Also, the __ versions should not be
>>>>> exported since they are not used outside the library (they can be
>>>>> exported if and when needed).
>=20
>>> Please rename timer_oshandle_np() to timer_getfd_np() as well.
>> The timer handle is not an fd, so I kept the old name.  Using
>> _getfd there is IMO more confusing than the neutral _handle for
>> mq.
>=20
> Oh right, the timers are not file descriptors.

Technically, neither are mqueues.  The only thing "the int" can be used =
for is select(), poll(), and kevent().  You can=E2=80=99t (or at least =
shouldn=E2=80=99t) pass it to any of the other system calls that accept =
fds.

lew=



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