From: cis.ohio-state.edu!news.sei.cmu.edu!ajpo.sei.cmu.edu!griest@ucbvax.Berkel ey.EDU (Tom Griest)
Subject: Re: Ada and real-time
Date: 16 Oct 92 20:45:20 GMT [thread overview]
Message-ID: <1992Oct16.204520.18405@sei.cmu.edu> (raw)
In article <1992Oct15.163026.7899@saifr00.cfsat.honeywell.com> walls@saifr00.cf
sat.honeywell.com (Gerald Walls) writes:
>In article <1992Oct15.144135.24045@sei.cmu.edu> jbg@sei.cmu.edu (John Goodenou
gh) writes:
>>
>>By "non-deterministic tasking" do you mean the fact that it can be difficult
>>or impossible to write down a timeline for a set of Ada tasks, given
>>variations in execution times and the effect of preemption? If so, this is
>>not, in itself, sufficient reason to conclude that Ada tasking is unsuitable
>>for embedded real-time systems.
>>
>
>the FAA requires this in avionics software. Ada tasking is not
>suitable for real-time avionics software.
Show me the regulation that prohibits "this". I know of commercial
avionics software that does not have purely deterministic scheduling.
(Any software that has asynchonous interrupts probably fits into
this category.)
Tom Griest
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Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
1992-10-16 20:45 cis.ohio-state.edu!news.sei.cmu.edu!ajpo.sei.cmu.edu!griest [this message]
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1992-10-18 19:01 Ada and real-time cis.ohio-state.edu!zaphod.mps.ohio-state.edu!darwin.sura.net!cs.ucf.edu!c
1992-10-16 13:11 cis.ohio-state.edu!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!rela
1992-10-15 17:45 kronos.arc.nasa.gov!iscnvx!news
1992-10-15 16:30 iggy.GW.Vitalink.COM!cs.widener.edu!eff!sol.ctr.columbia.edu!The-Star.hon
1992-10-15 14:41 cis.ohio-state.edu!news.sei.cmu.edu!jbg
1992-10-15 10:17 mcsun!uknet!yorkohm!minster!mjl-b
1992-10-14 14:37 dog.ee.lbl.gov!hellgate.utah.edu!caen!zaphod.mps.ohio-state.edu!sol.ctr.c
1992-10-13 20:51 Rick Hudson
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