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Date:      Tue, 9 Jul 2013 16:14:52 -0700
From:      Jordan Hubbard <jordan.hubbard@gmail.com>
To:        John Baldwin <jhb@freebsd.org>
Cc:        "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org>
Subject:   Re: General purpose library for name/value pairs.
Message-ID:  <CC5D1844-EA9A-4B88-A842-F7F4307458ED@gmail.com>
In-Reply-To: <201307091039.26835.jhb@freebsd.org>
References:  <20130704215329.GG1402@garage.freebsd.pl> <20130708213351.GB1405@garage.freebsd.pl> <D2E98A8F-F765-4A56-96CD-4410944A2910@turbofuzz.com> <201307091039.26835.jhb@freebsd.org>

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Yes, for anonymous shms this is certainly true.  Hey, if the application programmer *wants* to just pass a fd reference then there's certainly nothing preventing them from doing so in either case, I'm just suggesting that having an explicit OOB type for shared memory (named or otherwise) can be a good thing too.

- Jordan 

Sent from my iPad

On Jul 9, 2013, at 7:39, John Baldwin <jhb@freebsd.org> wrote:

> I'll only speak to the GC point.  For anonymous shm's (SHM_ANON), the segment
> is in fact GC'd on last close as there is no name to hold a reference to it.



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