support of IPC mechanisms?

Hello,
is there a overview available which IPC mechanisms prevent migration of
processes?
mechanisms like 
- UNIX Domain socket (AFAIK implemented as shared memeory)
- Shared memory (the is a patch available? -
http://opensource.codito.com/migshm
<http://jazzalbums.net/maask/index.htm>   -> error 404)
- threads (NGPT)
regards,
Oliver

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