On Sun, 29 Oct 2006 09:28:37 -0500, Shmuel Metz (Seymour J.) <[EMAIL PROTECTED]> wrote:
>In <[EMAIL PROTECTED]>, on 10/26/2006 > at 09:45 PM, Tom Marchant <[EMAIL PROTECTED]> said: > >> ... I could have sworn that >>early definitions of RENT allowed a program to modify itself, > >So would the authors of Supervisor Services and Macroinstructions, >sitting on my bookshelf, who wrote about the need for serialization if >a reenterable program modifies itself. For that matter, ever wonder >why IBM loads reenterable user programs into SP 251 instead of SP 252? Thanks, Shmuel. I was pretty sure that was documented somewhere. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

