On Tue, 12 Apr 2011 11:32:12 -0400, Tony Harminc wrote: > >This has been a fundamental ingredient in the preservation of MVS >System Integrity from the very earliest days, and was a marked >difference from what came to be called SVS. If every module expecting >or willing to get control in an authorized state had to check that its >caller was the right one, or that the calling environment and passed >arguments were suitable and safe, the IBM and ISV worlds would grind >to a halt for years of remediation. > ???
Every such module must so check before performing any operation which would not be allowed to a nonauthorized program. The worlds have not ground to a halt, but only because the checks are made. -- gil ---------------------------------------------------------------------- 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
