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From: rbj@uunet.UU.NET (Root Boy Jim)
Newsgroups: comp.unix.internals,comp.unix.wizards
Subject: Re: Help getting pointer to a u structure of a process
Keywords: process, user structure
Message-ID: <124885@uunet.UU.NET>
Date: 7 Mar 91 23:34:58 GMT
References: <1991Mar06.203225.20019@lynx.CS.ORST.EDU> <10712@dog.ee.lbl.gov>
Followup-To: comp.unix.internals
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In article <10712@dog.ee.lbl.gov> torek@elf.ee.lbl.gov (Chris Torek) writes:
>In article <1991Mar06.203225.20019@lynx.CS.ORST.EDU> bridej@prism.CS.ORST.EDU
>(Jim Bride) writes:
>>Hi.  I am working on a program which requires me to be able to access the 
>>u (user) structure of a process OTHER than the process which is currently 
>>running.

Allow me to rephrase your (Jim's) question: How do you find the u area?

Answer: I find it repulsive.

>Half of the raison d'etre of the `u. area' is that it can be sloughed off
>when the process is not running.  If this has been done, p->p_flag&SLOAD
>will be 0 and the u. area will reside only in swap space.  To alter it
>you would have to read it in first.

What is the other half? To save space?

I thought it was going to be merged with the proc table in 4.4. Eh?
-- 
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