Re: Sleep() doesn't work as I'd expect

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#9283

From: Chris Phillips
Date: Tue, 13 Jul 2004 07:40

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> There should be a way around that.
> In my experience, a circular buffer has 2 pointers, In and Out.
>
> The Writer reads In and Out.  If In == Out-1 (don't forget to account
> for wrap), buffer overflow.
> Otherwise writes to buffer[In], writes In=(In+1)mod size
>
> The Reader reads In and Out. If ==, go away, no data.
> Otherwise, reads Buffer[Out], writes Out=(Out+1)mod size.

That's actually pretty much what we're doing - it's been running in some
form or other for 20 years.  One writer and one reader.

I've put in a critical section now anyway, but it won't do any harm.

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Subject: Re: Sleep() doesn't work as I'd expect
Date: Tue, 13 Jul 2004 08:40:59 +0100
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