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Date:      Sun, 29 Oct 1995 13:13:38 -0500
From:      "Garrett A. Wollman" <wollman@lcs.mit.edu>
To:        Terry Lambert <terry@lambert.org>
Cc:        hackers@freebsd.org
Subject:   Re: SYSCALL IDEAS [Was: cvs commit: src/sys/kern sysv_msg.c sysv_sem.c sysv_shm.c]
Message-ID:  <9510291813.AA26273@halloran-eldar.lcs.mit.edu>
In-Reply-To: <199510272350.QAA24249@phaeton.artisoft.com>
References:  <199510272157.HAA29637@godzilla.zeta.org.au> <199510272350.QAA24249@phaeton.artisoft.com>

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[CC list trimmed AGAIN.  Can you please get this discussion OUT of
cvs-committers?]

<<On Fri, 27 Oct 1995 16:50:50 -0700 (MST), Terry Lambert <terry@lambert.org> said:

> I understand the rationale for considering the changes.  I don't understand
> the rationale for making them.  It seems the rationale is "to compete with
> NetBSD and Linux regarding speed".  Is this correct?

> I personally don't find that compelling (that's not to say that the
> majority doesn't outweigh me on this -- only that it does not convince
> me, personally).

Every microsecond counts.  I am presently having to design a
disgusting hack in the kernel which allows our traffic generator to
run in the kernel because it is not possible to fill an Ethernet with
minimum-length UDP packets when crossing the system call boundary.

As for the `off_t' question: you will never convince me that the
Berkeley people did not do the right thing.  I still hold out hope
that it will be possible to create a proper ISO C environment for
FreeBSD in which CHAR_BIT*sizeof(long) == 64.

-GAWollman

--
Garrett A. Wollman   | Shashish is simple, it's discreet, it's brief. ... 
wollman@lcs.mit.edu  | Shashish is the bonding of hearts in spite of distance.
Opinions not those of| It is a bond more powerful than absence.  We like people
MIT, LCS, ANA, or NSA| who like Shashish.  - Claude McKenzie + Florent Vollant



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