Re: shared memory

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 <[email protected]>
Eurotux Informática, S.A. <http://www.eurotux.com/>

Attachment: pgpGWbRkAvoFh.pgp
Description: PGP signature

---

• Follow-Ups:
  • Re: shared memory
    • From: "Rafael Sisto" <[email protected]>

• References:
  • shared memory
    • From: "Rafael Sisto" <[email protected]>
  • Re: shared memory
    • From: Luciano Rocha <[email protected]>
  • Re: shared memory
    • From: "Rafael Sisto" <[email protected]>

• Prev by Date: Re: sockets affected by IPsec always block (2.6.23)
• Next by Date: Re: howto get a melodic system beep?
• Previous by thread: Re: shared memory
• Next by thread: Re: shared memory
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]