Date: Thu, 26 Oct 1995 11:11:23 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: bde@zeta.org.au (Bruce Evans) Cc: dyson@freefall.freebsd.org, terry@lambert.org, 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 Subject: Re: SYSCALL IDEAS [Was: cvs commit: src/sys/kern sysv_msg.c sysv_sem.c sysv_shm.c] Message-ID: <199510261811.LAA21395@phaeton.artisoft.com> In-Reply-To: <199510260321.NAA02246@godzilla.zeta.org.au> from "Bruce Evans" at Oct 26, 95 01:21:32 pm
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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. Sorry; "most significant bit". Or if you prefer "sign bit". There, now the location of the bit itself is sufficiently confused. 8-). At least the number of non-sign bits is invariant, if discontiguous. > >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.) I would prefer it to be whatever unit was used for stack alignment. In this case, int32 on a 386. 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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