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Article #742Re: Need help on TSR's
From: Mark William Hopkins
Date: Wed, 15 Apr 1992 03:38
Date: Wed, 15 Apr 1992 03:38
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In article <oddt.4@sofus.dhhalden.no> oddt@sofus.dhhalden.no (ODD ROBERT TORJUSSEN) writes: >We've come so far in the development, that the 'prototype' tsr is up running >and seems to work ok. We're started to add some 'features' to this tsr. >Among the things we want to do, is letting the tsr do some system-calls >(to activate/start an extern program). > >This is were the problems occurs. :-( > >When certain events occur, the tsr does an system call (C function: >spawnlp()). But, for some reason the tsr is not able to launchthis child >process. If it's being run on a DOS, the problem is likely the DOS. System calls are usually critical regions in DOS. If two processes happen to be concurrently accessing the same critical region, they could destroy the integrity of the DOS. That might be the problem.
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Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!mips!mips!apple!bionet!uwm.edu!csd4.csd.uwm.edu!markh From: markh@csd4.csd.uwm.edu (Mark William Hopkins) Newsgroups: comp.os.msdos.programmer Subject: Re: Need help on TSR's Message-ID: <1992Apr15.033850.16536@uwm.edu> Date: 15 Apr 92 03:38:50 GMT References: <oddt.4@sofus.dhhalden.no> Sender: news@uwm.edu (USENET News System) Organization: Computing Services Division, University of Wisconsin - Milwaukee Lines: 17