Subject:
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RE: legOS - Does it work for you?
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 31 Dec 1998 20:39:58 GMT
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Original-From:
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Allen Martin <arm@rendition%SayNoToSpam%.com>
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Viewed:
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4239 times
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> > Ben you were right! I replace the malloc/free routines with
> > a very simple array based allocation scheme and everything
> > works great. I guess the other malloc I grabbed off the net
> > wasn't any good either.
>
> Not necessarily - it may be that the replacement happens to
> put things
> were some memory corruption doesn't hit them...
Not sure if this is your problem, but most malloc implementations are
not thread safe. Try putting your old malloc back with a lock around
it and see if that improves it.
-Allen
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: legOS - Does it work for you?
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| (...) I did make several changes to the malloc I found on the net. In the init fuction I created an mm_semaphore with sem_init. In both the malloc and the free functions I sandwiched the code between a sem_wait and sem_post call. This still had (...) (28 years ago, 31-Dec-98, to lugnet.robotics)
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