Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!know!sdd.hp.com!elroy.jpl.nasa.gov!abcfd20.larc.nasa.gov!ames!ads.com!killer!usenet From: anders@verity.com (Anders Wallgren) Newsgroups: comp.sys.mac.programmer Subject: Re: A use for protected mode after all Message-ID: <1990Nov28.000542.21632@verity.com> Date: 28 Nov 90 00:05:42 GMT References: <2371.27539d74@waikato.ac.nz> Sender: usenet@verity.com (USENET News) Reply-To: anders@verity.com (Anders Wallgren) Organization: Verity, Inc., Mountain View, CA Lines: 17 In-Reply-To: ldo@waikato.ac.nz (Lawrence D'Oliveiro, Waikato University) In article <2371.27539d74@waikato.ac.nz>, ldo@waikato (Lawrence D'Oliveiro, Waikato University) writes: >I know I'm on record as saying that memory protection isn't a very important >thing to add to the Macintosh system. But, thinking about it, I've come >across an exception I'd like to make to this statement: MacsBug. > >It would be very useful if a resident debugger could protect itself >against other software running amuck (whether this be rogue applications, >or the system itself). It would also greatly improve the debugger's >ability to diagnose problems. And I think it can be done with minimal >impact on the rest of the system. > I fail to see how this is different from protecting all applications from each other, both in scope and effect. anders