Date: Tue, 13 Apr 1999 16:22:55 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: Daniel Eischen <eischen@vigrid.com> Cc: current@FreeBSD.ORG Subject: Re: cvsup Message-ID: <XFMail.990413162255.jdp@polstra.com> In-Reply-To: <199904132249.SAA20531@pcnet1.pcnet.com>
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Daniel Eischen wrote: > John Polstra wrote: > >> My hunch is that it's not a fairness issue. It's just the fact that >> when you block in disk I/O, the whole process (all threads) blocks. > > That statement made me think that Modula-3 had it's own threading > support because our native threads using non-blocking file I/O. For disk I/O? Are you sure? If so then it must use the aio/lio calls or something similar. Disk I/O calls _always_ block, even if you've set O_NONBLOCK on the file descriptor. John --- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Self-interest is the aphrodisiac of belief." -- James V. DeLong To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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