linux-kernel - Re: shared memory

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Message-ID: <ee3dc96c0712161552x133496ebq3a04150385b9a3b6@mail.gmail.com>
Date:	Sun, 16 Dec 2007 20:52:36 -0300
From:	"Rafael Sisto" <rafael.sisto@...il.com>
To:	"Luciano Rocha" <luciano@...otux.com>,
	"Rafael Sisto" <rafael.sisto@...il.com>,
	"Linux kernel" <linux-kernel@...r.kernel.org>
Subject: Re: shared memory

thanks a lot!!


On Dec 16, 2007 7:30 PM, Luciano Rocha <luciano@...otux.com> wrote:
> 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@...otux.com>
> Eurotux Informática, S.A. <http://www.eurotux.com/>
>
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