Date: Wed, 12 Jun 1996 12:51:15 -0700 (PDT) From: Jaye Mathisen <mrcpu@cdsnet.net> To: "T. William Wells" <bill@twwells.com> Cc: freebsd-questions@freebsd.org Subject: Re: news server Message-ID: <Pine.NEB.3.92.960612125047.3714V-100000@schizo.cdsnet.net> In-Reply-To: <4pn57o$dq5@twwells.com>
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On 12 Jun 1996, T. William Wells wrote: > In article <19282.834601932@palmer.demon.co.uk>, > Gary Palmer <gpalmer@FreeBSD.ORG> wrote: > : cc: freebsd-questions@freebsd.com > : > : Stephen Hovey wrote in message ID > : <Pine.BSD.3.91.960612083942.13977C-100000@buffnet7.buffnet.net>: > : > That sounds the same as what happens with MMAP > : > : Surprising. shared_active uses MMAP :-) How do you thing it does it's > : sharing? > > The usual problem with mmap on other systems, as I understand it, > is that the modify time of the file isn't updated on write, which > meant that newsreaders wouldn't know that it has changed. This > would not affect sharing among newsreaders.... Shared_active uses MMAP? I thought it used SYSVSHM, which isn't the same thing...
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