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Date:      Thu, 8 Jun 2000 09:17:18 -0700 (PDT)
From:      John Polstra <jdp@polstra.com>
To:        dnelson@emsphone.com
Cc:        hackers@freebsd.org
Subject:   Re: SVR4 Emulation [was Re: iBCS status?]
Message-ID:  <200006081617.JAA49089@vashon.polstra.com>
In-Reply-To: <20000607224010.A29029@dan.emsphone.com>
References:  <000a01bfcf7a$cc810330$1200a8c0@matt> <20000607094626.B22129@dan.emsphone.com> <20000608101038.B46114@internode.com.au> <20000607224010.A29029@dan.emsphone.com>

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In article <20000607224010.A29029@dan.emsphone.com>, Dan Nelson
<dnelson@emsphone.com> wrote:

> But isn't there some SVR4 ABI standard that says "you must implement
> these syscalls and these ioctls this way", etc?  I'm sure the ABI
> explicitly says what lseek() takes for arguments, for example.

The SVR4 ABI specification doesn't say anything about system calls
-- it just specifies what libc has to provide.  (Actually in my old
printed copy of the spec, they call the system interface library
"libsys".)  The library has to provide a certain kind of lseek(),
for example, but the ABI standard says nothing about how that is
implemented lower down.

John
-- 
  John Polstra                                               jdp@polstra.com
  John D. Polstra & Co., Inc.                        Seattle, Washington USA
  "Disappointment is a good sign of basic intelligence."  -- Chögyam Trungpa



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