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Date: Thu, 26 Oct 1995 13:21:32 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199510260321.NAA02246@godzilla.zeta.org.au>
To: dyson@freefall.freebsd.org, terry@lambert.org
Subject: Re: SYSCALL IDEAS [Was: cvs commit: src/sys/kern sysv_msg.c sysv_sem.c sysv_shm.c]
Cc: CVS-commiters@freefall.freebsd.org, bde@freefall.freebsd.org,
        bde@zeta.org.au, cvs-sys@freefall.freebsd.org, hackers@freebsd.org,
        swallace@ece.uci.edu
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>2^63 -- the highest bit still being reserved for error return on lseek
>and for indirect block identification.

The highest bit is not reserved for error return on lseek.  Only one value
((off_t)-1) is reserved.

>The only value of quad is as an annoyance and as a spur to further

It is expedient.  Would you prefer off_t to be double?  (That's in the
ABI; inside the kernel and on disks offsets should be represented in
an efficient way, perhaps as quads.)

Bruce