Date: Thu, 30 Jan 97 18:53:18 +0100 From: cracauer@wavehh.hanse.de (Martin Cracauer) To: rminnich@Sarnoff.COM Cc: freebsd-hackers@freebsd.org Subject: Re: Using rfork() / threads Message-ID: <9701301753.AA23376@wavehh.hanse.de> References: <199701301149.AA268284982@fakir.india.hp.com> <Pine.SUN.3.91.970130081328.9307F-100000@terra>
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rminnich@Sarnoff.COM (Ron G. Minnich) wrote: [rfork] >VM space handling is a little different. If you request VM space sharing, >you don't exactly get Vm address space sharing: what you get is instead >shared data areas where in normal fork they are copied. More details on >request. The effect is what you want, though: shared data areas. Could you explain a bit more. What exactly is the difference between VM space sharing and shared data areas from the process' and the kernel perspective? Thanks Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin_Cracauer@wavehh.hanse.de http://cracauer.cons.org Fax.: +4940 5228536 "As far as I'm concerned, if something is so complicated that you can't ex- plain it in 10 seconds, then it's probably not worth knowing anyway"- Calvin
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