Date: Fri, 17 Nov 1995 17:23:24 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: bde@zeta.org.au (Bruce Evans) Cc: grog@lemis.de, hackers@FreeBSD.ORG Subject: Re: elm problem - "solved" Message-ID: <199511180023.RAA06399@phaeton.artisoft.com> In-Reply-To: <199511172207.JAA25421@godzilla.zeta.org.au> from "Bruce Evans" at Nov 18, 95 09:07:50 am
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> >I really have great difficulty understanding why this change was made. > >It means that old FreeBSD and BSD/386 binaries won't work correctly > >under FreeBSD or BSD/OS Versions 2. I can't see any advantage at all > >in this change. Grrrr. > > They wouldn't have worked anyway, because off_t was smaller. Apparently > 4.4 took this breakage as an opportunity to improve the layout of > `struct flock'. For some reason, there are no compatibility syscalls for > fcntl() or flock() like there are for lseek(), mmap(), and other syscalls > affected by the off_t change. It is too late to fix this now, because > splitting the syscalls would break all 4.4 binaries that use them. Why not use an aternate call table ala execution class for ABI support for IBCS2, Linux, etc.? Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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