Path: utzoo!attcan!uunet!lll-winken!ames!mailrus!iuvax!bsu-cs!dhesi From: dhesi@bsu-cs.UUCP (Rahul Dhesi) Newsgroups: comp.binaries.ibm.pc.d Subject: Re: v01i169: rs232off, switches off comm ports 11-feb-1989 Summary: comment about this program Message-ID: <5914@bsu-cs.UUCP> Date: 25 Feb 89 22:53:36 GMT References: <5901@bsu-cs.UUCP> Reply-To: dhesi@bsu-cs.UUCP (Rahul Dhesi) Organization: CS Dept, Ball St U, Muncie, Indiana Lines: 23 >Posting-number: Volume 01, Issue 169 >Originally-from: Keith Petersen >Submitted-by: Keith Petersen >Archive-name: rs232off/rs232of2.uue I received the following comment about this posting. (Students at Purdue aren't allowed to post news, so this was sent to me in email.) From: iuvax!pur-ee!supple (Murray R Supple) Subject: Re: v01i169: rs232off, switches off comm ports 11-feb-1989 ...The first line of the program turns off interrupts, but they are not turned back on. Granted, they will get turned back on at some point by some DOS or BIOS call, but in a multitasking environment, or if a timing critical program is run next, this could cause problems... Murray Supple UUCP: supple@pur-ee.UUCP ARPA: supple@ecn.purdue.edu -- Rahul Dhesi UUCP: !{iuvax,pur-ee}!bsu-cs!dhesi ARPA: bsu-cs!dhesi@iuvax.cs.indiana.edu