Article View: borland.public.cppbuilder.nativeapi
Article #9418Re: Sleep() doesn't work as I'd expect
From: Chris Phillips
Date: Mon, 12 Jul 2004 09:41
Date: Mon, 12 Jul 2004 09:41
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2062 bytes
If the buffer is read faster than it is written to, and frequently enough, then it should never occur. Experience with the application to date suggests that we don't have a problem with losing or corrupting incoming data. "Alan Bellingham" <alanb@episys.com> wrote in message news:36l4f09t2v3s9mb9gf7g36pu0k7aojgpke@4ax.com... > "Chris Phillips" <chris.phillips@corusgroup.com> wrote: > > >No, there are no mutexes or anything to protect the buffer. The Comms thread > >is the only thing writing to it (it's circular btw) and the main thread is > >the only thing reading from it. > > So how do you expect to protect the reading thread from reading a > half-written buffer entry? > > _Unless_ you only have a single thread accessing the buffer, or _unless_ > every single thread is only reading it, you need some protection. > > Alan Bellingham > -- > ACCU Conference 2005 - 20-23 April, Randolph Hotel, Oxford, UK
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X-Google-Thread: 10cc67,f4373c97b27dc766 X-Google-Attributes: gid10cc67,public X-Google-Language: ENGLISH,ASCII-7-bit Reply-To: "Chris Phillips" <chris.phillips@corusgroup.com> From: "Chris Phillips" <chris.phillips@corusgroup.com> Newsgroups: borland.public.cppbuilder.nativeapi References: <40eea7bc@newsgroups.borland.com> <40eeb624$1@newsgroups.borland.com> <40f24e6d@newsgroups.borland.com> <40f2522a$1@newsgroups.borland.com> <40f252c7@newsgroups.borland.com> <36l4f09t2v3s9mb9gf7g36pu0k7aojgpke@4ax.com> Subject: Re: Sleep() doesn't work as I'd expect Date: Mon, 12 Jul 2004 10:41:15 +0100 Lines: 26 Organization: Corus X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4922.1500 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4939.300 NNTP-Posting-Host: 145.8.171.20 Message-ID: <40f25cf8$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1089625336 145.8.171.20 (12 Jul 2004 02:42:16 -0700) Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!news.glorb.com!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail