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Date:      Mon, 14 Mar 2005 18:28:26 -0500 (EST)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        "M. Warner Losh" <imp@bsdimp.com>
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: COMPAT_43 ?
Message-ID:  <200503142328.j2ENSQmv092439@khavrinen.lcs.mit.edu>
In-Reply-To: <20050313.152624.59920781.imp@bsdimp.com>
References:  <2617.172.16.0.199.1110748478.squirrel@wettoast.dyndns.org> <20050313.152624.59920781.imp@bsdimp.com>

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<<On Sun, 13 Mar 2005 15:26:24 -0700 (MST), "M. Warner Losh" <imp@bsdimp.com> said:

> 	(6) The old creat, mknod, lseek, stat, truncate, getdirentries
>             interface are covered by this as well (again, so old
>             binaries can work, and likely there's some emulation code
>             that depends on it).

In at least a significant number of these cases, the "old binaries"
would be 4.3 binaries on a VAX.  Look at rev. 1.1 of syscalls.master
and notice how many of them were already marked COMPAT in 4.4-Lite.  I
believe creat, wait, sigvec, sigblock, sigsetmask, and killpg were
also COMPAT_43 in Net/2.  creat() has never been a syscall in the
entire life of FreeBSD, but we're still carrying around the code to
implement it for "compatibility" with old VAX binaries.

-GAWollman



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