On Sunday, Feb 16, 2003, at 07:22 Australia/Sydney, Brian Tabone wrote: Brent, One trick you could try is to install a SEGV signal handler. If I remember correctly, you can actually trap this signal in your application and handle it without core dumping. I'm not sure how risky it would be, nor how efficient, but you may be able to use this method to check for validity of pointers. Now, the question here is would this work in kernel space, and that I am doubtful, but it should work for you in user space. I've never tried this myself, so your milage may vary. I remember doing this an age back under Linux, NetBSD 0.9 and Solaris, while developing a reasonably sized application. Our handler merely attempted a graceful shutdown of active network connections and closed our listening socket. After all that, it dumped core. The main reason for all this? There was an annoying delay before Solaris would clean up our listening socket, preventing the app from restarting. Cheers, -- Paul Ripke Unix/OpenVMS/TSM/DBA 101 reasons why you can't find your Sysadmin: 68: It's 9AM. He/She is not working that late. -- Koos van den Hout _______________________________________________ darwin-kernel mailing list | darwin-kernel@lists.apple.com Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/darwin-kernel Do not post admin requests to the list. They will be ignored.