Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!ceres.physics.uiowa.edu!news.iastate.edu!sharkey!bnlux1.bnl.gov!kushmer
Newsgroups: comp.lang.pascal
Subject: Re: Help! dos calls in tp
Message-ID: <1991Apr20.154933.20373@bnlux1.bnl.gov>
From: kushmer@bnlux1.bnl.gov (christopher kushmerick)
Date: Sat, 20 Apr 1991 15:49:33 GMT
References: <1991Apr19.131120.715@bsu-ucs.uucp>
Organization: Brookhaven National Laboratory, Upton, NY 11973
Lines: 41

In article <1991Apr19.131120.715@bsu-ucs.uucp> 01mdschnapf@bsu-ucs.uucp writes:
>I need help desperately.   I am writing a program for my semester project
>and ran into a hurdle that I can't cross.  I am making a menu program
...



Make sure that in any programs that use exec, that they only allocate
as much heap/ stack space as they will need. If you do not specify,
then the pascal program will allocate all available memory as heap
space, and something like 64KByte of stack space even if you don't
do a single memory allocation (getmem, New()) and even if your
program only needs 2048 of stack.


Use the following


{$M 2048,0,0}

This gives you a 2048 stack, and allocates no heap for you program.

Of course if your program does use the heap, you'll need to do a rough
calculation of how much, and then adjust the second two parameters
accordingly.


See the docs for discussion of {$M}

Also make sure stack checking is on, so that if you do need substantial
stack space, you can adjust the first parameter accordingly (just keep
doubling it until you no longer get a run time stack crash error.)
-- 
Chris Kushmerick                                 kciremhsuK sirhC
kushmer@bnlux1.bnl.gov    <===Try this one first
kushmerick@pofvax.sunysb.edu 

-- 
Chris Kushmerick                                 kciremhsuK sirhC
kushmer@bnlux1.bnl.gov    <===Try this one first
kushmerick@pofvax.sunysb.edu