> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On
> Behalf Of john gilmore
> Sent: Tuesday, February 23, 2010 1:02 PM
> To: IBM-MAIN@bama.ua.edu
> Subject: Re: Best practice for 24-bit storage in assembler called from
> C/C++
<Snipped> 
> The absence of this facility from C--Dennis Ritchie did not understand
> what controlled storage was for--is the reason for all the ugliness of
> multiple copies of writable static in C.

OK, I'll bite.  What is/was the intended purpose of controlled storage?
I remember when I first was learning PL/1 (too many moons ago to count)
being fascinated by it, but at that time I couldn't really see what the
advantage(s) of controlled storage over based storage were.

Than I had to move on to a non-PL/1 shop and I kind of lost track of it.

TIA for curing my ignorance.

Peter


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