Article View: comp.sys.amiga.tech
Article #13845Re: resource tracking
From: Darren New
Date: Thu, 22 Feb 1990 23:55
Date: Thu, 22 Feb 1990 23:55
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In article <21183@watdragon.waterloo.edu> himacdonald@watdragon.waterloo.edu (Hamish Macdonald) writes: >Question: Does I/O to Exec devices HAVE to involve message passing? >Nowhere do >I see a 'serial.device' task (or anything remotely interpretable as >such) running. Well, when I use XOper to look at the ports list, I see a serial.device message port generating a software interrupt into a serial.device task. It seems to me that if you can do asynchronous calls (like post a read and then write or wait for a timeout or ...) then you must be using messages. -- Darren
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!ames!haven!udel!newReferences:
<355.25C92297@weyr.FIDONET.ORG> <926@tardis.Tymnet.COM> <352@amgraf.UUCP> <5156@sugar.hackercorp.com> <5159@sugar.hackercorp.com> <9704@cbmvax.commodore.com> <5178@sugar.hackercorp.com> <22955@usc.edu> <5185@sugar.hackercorp.com> <22973@usc.edu> <5191 <21Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!ames!haven!udel!new From: new@udel.edu (Darren New) Newsgroups: comp.sys.amiga.tech Subject: Re: resource tracking Message-ID: <11912@nigel.udel.EDU> Date: 22 Feb 90 23:55:15 GMT References: <355.25C92297@weyr.FIDONET.ORG> <926@tardis.Tymnet.COM> <352@amgraf.UUCP> <5156@sugar.hackercorp.com> <5159@sugar.hackercorp.com> <9704@cbmvax.commodore.com> <5178@sugar.hackercorp.com> <22955@usc.edu> <5185@sugar.hackercorp.com> <22973@usc.edu> <5191 <21 Sender: usenet@udel.EDU Reply-To: new@udel.edu (Darren New) Distribution: na Organization: University of Delaware Lines: 11