Subject:
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Re: multiple "execi" with different priorities
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Thu, 22 Feb 2001 22:22:08 GMT
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Viewed:
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1232 times
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"Ross Crawford" <rcrawford@csi.com> writes:
> must get a slice before any lower priority tasks get any slice. And remember
> that LegOS uses co-operative multi-tasking, not pre-emptive, so your tasks have
> to specifically relinquish control before any other task will be scheduled.
> Someone please correct me if I'm wrong....
Actually legOS multitasking is preemptive :-)
bye
Bernardo
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Message has 1 Reply:
 | | Re: multiple "execi" with different priorities
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| (...) have (...) Yes, I actually went & checked after I'd posted. Maybe I should've checked before 8?) Anyway, Stig Nielsson emailed me the following, which explains it a lot better, and will probably be useful for Thanasis to work out the original (...) (24 years ago, 23-Feb-01, to lugnet.robotics.rcx.legos)
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Message is in Reply To:
| | Re: multiple "execi" with different priorities
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| (...) of (...) The call looks fine, but as Bernado said, you have to make sure that higher priority tasks relinquish control regularly. IIRC all tasks of a given priority must get a slice before any lower priority tasks get any slice. And remember (...) (24 years ago, 21-Feb-01, to lugnet.robotics.rcx.legos)
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