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Re: Panther, Perl 5.8.*, threads, etc.

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From:
Dan Sugalski
Date:
July 16, 2003 13:41
Subject:
Re: Panther, Perl 5.8.*, threads, etc.
Message ID:
a05210619bb3b67c34ae6@[63.120.19.221]
At 1:15 PM -0700 7/16/03, Rich Morin wrote:
>At 8:33 PM +0100 7/16/03, David Cantrell wrote:
>>As far as the program is concerned, it's a complete copy.  But yes,
>>most modern virtual memory implementations will, I believe, do copy
>>on write.  I haven't actually tested this on OS X though :-)
>
>OK, I'm curious; how _would_ one go about testing this?

The easiest way to do so is to snag the Darwin source and take a look 
at some of the low-level MMU manipulation code in the kernel. It 
should be pretty obvious whether (though not necessarily how :) it's 
done.
-- 
                                         Dan

--------------------------------------"it's like this"-------------------
Dan Sugalski                          even samurai
dan@sidhe.org                         have teddy bears and even
                                       teddy bears get drunk

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