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From: Luciano Rocha <luciano@eurotux.com>
To: Rafael Sisto <rafael.sisto@gmail.com>
Cc: Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: shared memory
Date: Sun, 16 Dec 2007 22:30:14 +0000	[thread overview]
Message-ID: <20071216223014.GA13628@bit.office.eurotux.com> (raw)
In-Reply-To: <ee3dc96c0712161201y34a3e3e0t601ab4fa73d002c@mail.gmail.com>

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On Sun, Dec 16, 2007 at 05:01:17PM -0300, Rafael Sisto wrote:
> Thank you for the quick answer, but It's a college project, and I must
> share user level memory. I also must build my own system calls...
> But I can look what is already done and make something similar. Do you
> think shmget would do? Does it share user level memory?

Yes. They both do, but the Posix one is based on a ramfs or tmpfs on
/dev/shm and shared mmaps. I think analyzing the SysV version will be
better for your needs.

shmget: create the memory region
shmat: attach the memory region to this process.

-- 
Luciano Rocha <luciano@eurotux.com>
Eurotux Informática, S.A. <http://www.eurotux.com/>

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  reply	other threads:[~2007-12-16 22:30 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-16 19:51 shared memory Rafael Sisto
2007-12-16 19:57 ` Luciano Rocha
2007-12-16 20:01   ` Rafael Sisto
2007-12-16 22:30     ` Luciano Rocha [this message]
2007-12-16 23:52       ` Rafael Sisto
  -- strict thread matches above, loose matches on Subject: below --
2005-03-10 20:39 Shared memory Bloch, Jack
2001-11-20  3:57 shared memory Lee Chin

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