Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!usc!polyslo!dorourke From: dorourke@polyslo.CalPoly.EDU (David M. O'Rourke) Newsgroups: comp.sys.mac.programmer Subject: Re: Integer Size problem Message-ID: <13727@polyslo.CalPoly.EDU> Date: 23 Aug 89 21:04:25 GMT References: <15141@dartvax.Dartmouth.EDU> <11689@cit-vax.Caltech.Edu> <1465@draken.nada.kth.se> Reply-To: dorourke@polyslo.CalPoly.EDU (David M. O'Rourke) Organization: Cal Poly State University -- San Luis Obispo Lines: 13 d88-jwa@nada.kth.se (Jon W{tte) writes: >Wrong. Incorrect. What happens if a interrupt happens between the set >pointers and the block move instruction ? And this interrupt happens >to shuffle memory ? LOCK THE HANDLES first ! ALWAYS ! As I understand it, interrupt routines can't do any memory allocation stuff during the service of the interrupt. I always felt that this was one of the funner aspects of the Mac's OS. Am I wrong??? -- \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\|///////////////////////////////////////// David M. O'Rourke____________________|_____________dorourke@polyslo.calpoly.edu | God doesn't know, he would have never designed it like that in the first | |_ place. ____________________________________________________________________|