Re: shared memory

From: Luciano Rocha
Date: Sun Dec 16 2007 - 17:30:50 EST


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@xxxxxxxxxxx>
Eurotux Informática, S.A. <http://www.eurotux.com/>

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