Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!usc!samsung!caen!mondo.engin.umich.edu!mystone From: mystone@mondo.engin.umich.edu (Dean Yu) Newsgroups: comp.sys.mac.programmer Subject: Re: MultiFinder Programmer's Guide question 3 Message-ID: <1991Jan10.203702.12535@engin.umich.edu> Date: 10 Jan 91 20:37:02 GMT References: <3723@uakari.primate.wisc.edu> Sender: news@engin.umich.edu (CAEN Netnews) Reply-To: mystone@mondo.engin.umich.edu Organization: Patches 'R' Us, A Wholly Owned Subsidiary of Cyberite Systems Lines: 22 In article <3723@uakari.primate.wisc.edu> bin@primate.wisc.edu (Brain in Neutral) writes: >Programmer's Guide to MultiFinder p 3-14 discusses how to tell >whether WaitNextEvent() is implemented. There is one of those >4-diamond Note things that says: "WaitNextEvent does not conflict >with any OS trap, so the above test is valid on 64K ROMs." > >However, the code in question contains the comment "WaitNextEvent >and HFSDispatch both have the same trap number ($60)..." > No problem here. _WaitNextEvent is a toolbox trap and _HFSDispatch is an OS trap. The 64K ROMs didn't have HFS implemented in them, so there's no conflict. _______________________________________________________________________________ Dean Yu | E-mail: mystone@mondo.engin.umich.edu Patches 'R' Us | Real-mail: Dean Yu A Division of Cyberite Systems | 909 Church St Apt C | Ann Arbor, MI 48104 I'm not the voice of Reason, much | Phone: 313 662-4073 less the voice of Cyberite. | 313 662-4163 -------------------------------------------------------------------------------