Date: Tue, 13 Apr 1999 15:38:38 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: Daniel Eischen <eischen@vigrid.com> Cc: current@FreeBSD.ORG Subject: Re: cvsup Message-ID: <XFMail.990413153838.jdp@polstra.com> In-Reply-To: <199904132148.RAA13399@pcnet1.pcnet.com>
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Daniel Eischen wrote: > Does Modula-3 use libc_r, or does it have it's own user thread support? It has its own. It can be ported to use native threads, but it's a non-negligible amount of work. It hardly seems worth it for the GUI alone. > The recent set of commits to libc_r changed the thread scheduling > mechanism to use ITIMER_PROF instead of ITIMER_VIRTUAL. This was > to allow for fairer scheduling with I/O bound threads. 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. 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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