Date: Thu, 7 Dec 1995 09:13:56 -0500 (EST) From: Steve Hovey <root@buffnet.net> To: Terry Lambert <terry@lambert.org> Cc: Jukka Ukkonen <jau@jau.csc.fi>, questions@freebsd.org, hackers@freebsd.org Subject: Re: Any operational code using mmap() on FreeBSD ? Message-ID: <Pine.SCO.3.91.951207091243.28880D-100000@buffnet1.buffnet.net> In-Reply-To: <199512061919.MAA01711@phaeton.artisoft.com>
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On Wed, 6 Dec 1995, Terry Lambert wrote: > > Does anyone have a working example of code that uses mmap(2) > > on FreeBSD? I have tried several examples that have been quite > > all right on ConvexOS (10.2 and 11.0) and SunOS (4.1.[34]), > > but failed quite miserably when tried on FreeBSD (2.0.5). > > > > As I am beginning to suspect that mmap() is somehow different > > on FreeBSD from what it is on Convex or Sun (or maybe it has > > never really worked on FreeBSD) I would like to see a working > > example, if there is any available. If there is none, I'd better > > let that mmap() thing alone, and try to do something more useful. > > I would (and I'm sure John and other who are actually working on this > would!) like to see some small test cases with assertions for correct > results for the test cases you are interested in. Would this be possible? > MMAP under freebsd 2.05-R is broken. I run an INN news server on 2.0.5R and if I compiled it using MMAP, the correct values were not maintained in the active file. This problems occurred when usage got to the size that virtual ram swapping came into play.
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