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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
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...