site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com -- Terry On Aug 21, 2008, at 9:01 PM, Amanda Walker <amanda@alfar.com> wrote: --Amanda _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... The control blocks, which includes the name buffer, which would have to go up by a muninum of 993 bytes to be standards proof, and that's assuming some things that might not be safe to assume. On Aug 21, 2008, at 6:34 PM, Terry Lambert wrote: When someone asks if they should use POSIX shared memory, we generally tell them we prefer mmap'ed files, if you want a large path to things, and that has the bonus of not taking wired memory, providing the same string-based rendezvous, plus you can use FS permissions, including ACLs, to protect access to the shared memory itself. Hmm. POSIX shared memory segments are wired down? That seems bad. Or is just a control block in the kernel? This email sent to site_archiver@lists.apple.com