Date: Tue, 13 Apr 1999 19:50:54 -0400 (EDT) From: Daniel Eischen <eischen@vigrid.com> To: eischen@vigrid.com, jdp@polstra.com Cc: current@FreeBSD.ORG Subject: Re: cvsup Message-ID: <199904132350.TAA27490@pcnet1.pcnet.com>
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John Polstra wrote: > > 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. No it doesn't use aio/lio (although I was recently thinking about trying it). It uses select for I/O readiness, then read/write on O_NONBLOCK files. Dan Eischen eischen@vigrid.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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