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What's the problem?

What's the problem?

Posted Oct 30, 2010 1:03 UTC (Sat) by nevyn (guest, #33129)
In reply to: What's the problem? by michaeljt
Parent article: Ghosts of Unix Past: a historical search for design patterns

You don't need to pass the fd, you can also use a real file and open+MMAP_SHARED in each process.


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What's the problem?

Posted Nov 2, 2010 10:12 UTC (Tue) by michaeljt (subscriber, #39183) [Link]

> You don't need to pass the fd, you can also use a real file and open+MMAP_SHARED in each process.

That sounds to me like the method where you create a file, open it in all processes, unlink it then make it sparse of the size you need, and hope that the kernel heuristics do the right thing...


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