Not even that: it's just an assertion that replacing the executing copy with a fresh copy won't cause an error.
However, just because it's legal to write self-modifying reentrant and refreshable code doesn't mean that it's a good idea. :-( -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [[email protected]] on behalf of Paul Gilmartin [[email protected]] Sent: Monday, August 16, 2021 6:36 PM To: [email protected] Subject: Re: RENT binder option On Mon, 16 Aug 2021 23:22:33 +0100, CM Poncelet wrote: > > ... REFR prohibits any modification of program storage during >execution. > FSVO "prohibits". It's mostly an assertion that the programmer intended that the program not be so modified. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
