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Mail Archives: djgpp/1998/03/30/17:52:17

Message-Id: <3.0.5.32.19980330175119.007e1740@pop.iquest.net>
Date: Mon, 30 Mar 1998 17:51:19 -0500
To: Shawn Rusaw <wasurs AT cs DOT sfu DOT ca>, djgpp AT delorie DOT com
From: ricki lee king <rlking AT iquest DOT net>
Subject: Re: Program does not run correctly after SIGINT
In-Reply-To: <35201082.7297@cs.sfu.canada>
Mime-Version: 1.0

i a newbie, but....
can you catch the signal, destroy the data, then exit?
sorry if i sound dumb.



At 01:37 PM 3/30/98 -0800, Shawn Rusaw wrote:
>I recently decided DJGPP for its easy access to extended
>memory. My app's port from BCC was very easy (just removed references 
>to huge pointers), but my app's behaviour is another matter.
>
>Since there is no small amount of representative code that
>demonstrates the problem I will simply describe the behaviour.
>
>1. Hard Boot computer
>2. Run program - the program collects data
>3. midway through collecting data, I press <ctrl><c> or <ctrl><brk>
>   which delivers a SIGINT, stopping the program.
>4. If I try to run the program again, It seems to startup using
>   some of the data from the previous run.
>
>This sort of thing has never happened before (using BCC or using
>gcc in a Solaris environment). My gut feeling is the stack is
>somehow getting munged, but really don't have a firm grasp what
>to do.
>
>Do I need to handle the SIGINT?  Is it done behind the scenes with
>other compilers? (i've used gcc before, and never seen this)
>
>OTHER INFO:
>
>copiled with command line
>gcc -g -x c++ -c filename.c -o filename.o
>
>linked with command line
>gcc -x c++ -o filename.exe filename.o -lbcc2 -lgrx20 -lstdcx
>
>Other posts have metioned stack problems and I cannot find anything 
>in FAQ2.10.
>
>----------------------------
>Shawn Rusaw (instead of 'canada', use the country code 'ca'
>	     in my email address to respond)
>Experimental Robotics Laboratory              
>Simon Fraser University
>
>

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