On Fri, 24 Mar 2023 19:44:32 -0500, Tom Marchant wrote: >How do they accomplish that? > Privileged instruction, like I/O or LPSW or SCK.
In fact, I'm not certain that the clock is protected, but the user interfaces such as time() and strftime()mare so useful *and*portable* that I've never been inclined to look deeper. >On Fri, 24 Mar 2023 18:07:51 -0500, Paul Gilmartin wrote: > >>But most systems I use admirably do not allow non-privileged users to access >>the hardware clock. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
