From: Richard Miller <9fans@hamnavoe.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] too good to pass up (SRB Comments)
Date: Sun, 30 Apr 2006 11:35:11 +0100 [thread overview]
Message-ID: <008b2f1164951e9c5ac209a7e6d34fde@hamnavoe.com> (raw)
In-Reply-To: <922893ddae61833eb950fcf61c2af167@collyer.net>
geoff@collyer.net said:
> The shell was the last program ported to the Interdata during
> the original UNIX port, due to the difficulty of getting the
> details of restarting faulting instructions just right, which
> is why the Seventh Edition (also known as ``V7'') distribution
> tape includes /bin/osh, the Sixth Edition shell.
The Wollongong University version of the Bourne shell on the Interdata
contains this comment:
/***
*** Don't rely on hardware to recover from address errors!
***/
I took the easy way out and rewrote the allocator to make sure it
extended the address space before the memory was used, rather than
relying on recoverable address faults. Much more portable.
-- Richard
next prev parent reply other threads:[~2006-04-30 10:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-28 13:30 erik quanstrom
2006-04-28 21:13 ` geoff
2006-04-28 21:06 ` quanstro
2006-04-30 10:35 ` Richard Miller [this message]
2006-05-01 1:01 ` geoff
2006-05-01 9:21 ` Richard Miller
-- strict thread matches above, loose matches on Subject: below --
2006-04-28 13:01 [9fans] too good to pass up erik quanstrom
2006-04-28 13:10 ` [9fans] too good to pass up (SRB Comments) Brantley Coile
2006-05-02 6:32 ` Roman Shaposhnik
2006-05-01 21:22 ` Taj Khattra
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