LWN.net Logo

What's the problem?

What's the problem?

Posted Nov 2, 2010 10:12 UTC (Tue) by michaeljt (subscriber, #39183)
In reply to: What's the problem? by nevyn
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.

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...


(Log in to post comments)

Copyright © 2013, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds