site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com -- Terry _______________________________________________ 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... On Mar 25, 2008, at 6:40 AM, Ray Ruvinskiy wrote: I seem to be unable to get a list of currently existing System V semaphores on Tiger using the ipcs utility. The list is always empty, whether or not I run the command as root. On Leopard, however, ipcs works as expected. Is this a known issue, or is there something I'm missing? The kernel support for the ipcs code and the structure changes necessary in the contract between kernel and user space was considered to risky to put in Tiger, so Tiger does not support it. This email sent to site_archiver@lists.apple.com