On Jul 24, 2014, at 2:00 PM, Mike Dubman <mi...@dev.mellanox.co.il> wrote:

> OSHMEM memheap implementation relies on the  "_end" symbol provided by linux 
> linker. The _end symbol indicates the beginning of the program dynamic 
> allocation area.
> This is needed to allow programmatic access to the process global/static 
> variables.

Looks like this functionality could be implemented on Darwin (OS X) by using 
the vm_region function:

http://www.gnu.org/software/hurd/gnumach-doc/Memory-Attributes.html#Memory-Attributes

-Dave

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