Date: Thu, 11 Feb 1999 05:19:58 -0500 (EST) From: "John S. Dyson" <dyson@iquest.net> To: dillon@apollo.backplane.com (Matthew Dillon) Cc: tlambert@primenet.com, kuku@gilberto.physik.RWTH-Aachen.DE, hackers@FreeBSD.ORG Subject: Re: portability of shm, mmap, pipes and socket IPC Message-ID: <199902111019.FAA03822@y.dyson.net> In-Reply-To: <199902101959.LAA85684@apollo.backplane.com> from Matthew Dillon at "Feb 10, 99 11:59:05 am"
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Matthew Dillon said: > :> true on all implementations that I know of. It is also appropriate - > :> the validity of the mmap()'d data only extends to the logical end of > :> file. > : > :Yes, yes, that's not the problem. > : > :The problem is that INN apparently still fails when using mmap without > :msync. The utility of msync is overrated; the code does not actually > :do what the manual page claims it does, in any case. > > 'apparently still fails'. In otherwords, you aren't sure whether > it's a bug in INN or a bug in the OS. You don't know why exactly > INN is not working, but you are blaming FreeBSD. > > There could be a bug in FreeBSD, but unless someone can track it down > a little better then "Well, this one program doesn't work so it MUST > be a bug in FreeBSD", there isn't much we can do about it now is there! > From where I sit, I don't see any bugs. > I would like to respectfully petition a modification of the above attitude, in the sense that if an API works for one (and/or many other) OSes, there is a significant chance of a FreeBSD bug. Whether or not I acted on various known bugs, I still considered them to be so, until proven otherwise. -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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